WorldWideScience

Sample records for sustainable energy portfolio

  1. Sustainable Energy Portfolios for Small Island States

    Directory of Open Access Journals (Sweden)

    Sándor Szabó

    2015-09-01

    Full Text Available The study presents a cost effective electricity generation portfolio for six island states for a 20-year period (2015–2035. The underlying concept investigates whether adding sizeable power capacities of renewable energy sources (RES options could decrease the overall costs and contribute to a more sustainable, indigenous electricity generation at the same time. Often, island states rely on fossil fuels which, apart from dependence on foreign resources, also includes an additional, significant transport cost. This is an extra motive to study the extent in which island states represent primary locations for RES technologies. For the aims of the present study an optimization model has been developed and following numerous runs the obtained results show that installing PV and battery capacities can delay-reduce the huge investments in fossil options in early periods. Thus, investment on RES can have a positive, long-term effect on the overall energy mix. This prompt development can happen without adding new subsidies but there is a need to address the existing socio-economic barriers with intelligent design of financing and economic instruments and capacity building as discussed in the conclusions.

  2. Integrating ePortfolios into Sustainability Education

    Science.gov (United States)

    Habron, Geoffrey

    2015-01-01

    Given the importance of applied learning and skills needed in sustainability education, this study sought to explore how electronic portfolios enable students to provide a range of evidence to demonstrate their sustainability learning. Michigan State University developed an undergraduate minor on sustainability that required students to provide…

  3. Energy Efficient Urban Development Portfolio; Portfolio Energiezuinige Stedenbouw

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-10-15

    Within 10 years' time, all new buildings in the Netherlands will be built energy-neutrally. This has been agreed on in the Spring Agreement. To reach the goal of energy-neutral building, urban development adjustments are needed. This portfolio offers instruments to work with the theme of energy in urban development plans, including 10 appealing examples of projects. [Dutch] Binnen tien jaar worden in Nederland alle nieuwbouwwoningen energieneutraal gebouwd. Hier zijn afspraken over gemaakt in onder andere het Lente-akkoord. Om het doel van energieneutrale bouw te bereiken zijn ook stedenbouwkundige aanpassingen noodzakelijk. Dit portfolio geeft handvatten om met het thema energie in stedenbouwkundige plannen te werken met tien aansprekende projecten als voorbeelden.

  4. The incorporation of sustainability into the real estate investment portfolio

    Energy Technology Data Exchange (ETDEWEB)

    Baas, L.

    2013-06-15

    This graduation report describes the findings of a research in the area of Real Estate Management, section Building Economics. The subject of the research relates to the added value of sustainable offices in the real estate investment portfolio. The question which is leading throughout this report is whether the extent of sustainability influences the financial performance of office buildings in the Netherlands. But on which grounds are these assumptions made? The gathered information compares actual energy consumption in relation to theoretical knowledge of a governmental regulated energy performance scheme. To find an accurate answer a quantitative research has been conducted at a sustainability-driven organization, the Dutch Green Building Council (in short: DGBC). An extensive literature review provided the author with a solid background to investigate the relation of financial performance compared to sustainability features. This knowledge enabled him to define a hedonic pricing model and thus to look into financial benefits of better performing assets. This model is used to highlight significant locational, asset-related and sustainable features that act as predictors for offices. Especially the degree of sustainability comes to mind when this data is compared with actual consumption instead of theoretically defined through a standardized calculation. This resulted into recommendations and eventually discussions gathered at the end of this report. This report aims not only on the change of one's mind about the importance of sustainability but also on the added value of information flows for operational management.

  5. Analysis of the energy portfolio for electricity generation; Analisis del portafolio energetico para la generacion electrica

    Energy Technology Data Exchange (ETDEWEB)

    Ramirez S, J. R.; Alonso V, G.; Esquivel E, J., E-mail: ramon.ramirez@inin.gob.mx [ININ, Carretera Mexico-Toluca s/n, 52750 Ocoyoacac, Estado de Mexico (Mexico)

    2016-09-15

    The planning of electricity generation systems considers several factors that must be taken into account in order to design systems that are economical, reliable and sustainable. For this purpose, the Financial Portfolio Theory is applicable to the energy portfolio or the diversification of electricity generation technologies, such as is the combined cycle, wind, thermoelectric and nuclear. This paper presents an application of the Portfolio Theory to the national energy system, based on the total generation costs for each technology, which allows determining the average variance portfolio and the respective share of each of the electricity generation technologies considered, obtaining a portfolio of electricity generation with the maximum possible return for the risk taken in the investments. This paper describes the basic aspects of the Portfolio Theory and its methodology, in which matrices are implemented for the solution of the resulting Lagrange system. (Author)

  6. Optimal Energy Mix with Renewable Portfolio Standards in Korea

    Directory of Open Access Journals (Sweden)

    Zong Woo Geem

    2016-05-01

    Full Text Available Korea is a heavily energy-dependent country whose primary energy consumption ranks ninth in the world. However, at the same time, it promised to reduce carbon emission and planned to use more renewable energy. Thus, the objective of this study is to propose an optimal energy mix planning model in electricity generation from various energy sources, such as gas, coal, nuclear, hydro, wind, photovoltaic, and biomass, which considers more renewable and sustainable portions by imposing governmental regulation named renewable portfolio standard (RPS. This optimization model minimizes various costs such as construction cost, operation and management cost, fuel cost, and carbon emission cost while satisfying minimal demand requirement, maximal annual installation potential, and renewable portfolio standard constraints. Results showed that this optimization model could successfully generate energy mix plan from 2012 to 2030 while minimizing the objective costs and satisfying all the constraints. Therefore, this optimization model contributes more efficient and objective method to the complex decision-making process with a sustainability option. This proposed energy mix model is expected to be applied not only to Korea, but also to many other countries in the future for more economical planning of their electricity generation while affecting climate change less.

  7. Portfolio Analysis of Renewable Energy Opportunities: Preprint

    Energy Technology Data Exchange (ETDEWEB)

    Richards, Allison; Deprizio, Jodi; Anderson, Kate; DiOrio, Nick; Elgqvist, Emma; Simpkins, Travis

    2016-11-01

    Time Warner Cable (TWC), now Charter Communications (CC), partnered with the National Renewable Energy Laboratory (NREL) to assess the technical and economic potential for solar photovoltaic (PV), wind, and ground-source heat-pump systems at 696 TWC facilities. NREL identified 306 sites where adding a renewable energy system would provide cost savings over the project life-cycle. In general, the top sites have some combination of high electricity rates ($0.16-$0.29/kWh), significant state incentives, and favorable net-metering policies. If all projects were implemented via third-party power purchase agreements, TWC/CC would save $37 million over 25 years and meet 10.5% of their energy consumption with renewable energy. This paper describes the portfolio screening methodology used to identify and prioritize renewable energy opportunities across the TWC sites, as well as a summary of the potential cost savings that may be realized by implementing these projects. This may provide a template for other companies interested in identifying and prioritizing renewable energy opportunities across a large number of geographically dispersed sites. Following this initial portfolio analysis, NREL will be conducting in-depth analysis of project development opportunities at ten sites and evaluating off-grid solutions that may enable carbon emission reduction and grid independence at select facilities.

  8. Hopi Sustainable Energy Plan

    Energy Technology Data Exchange (ETDEWEB)

    Norman Honie, Jr.; Margie Schaff; Mark Hannifan

    2004-08-01

    The Hopi Tribal Government as part of an initiative to ?Regulate the delivery of energy and energy services to the Hopi Reservation and to create a strategic business plan for tribal provision of appropriate utility, both in a manner that improves the reliability and cost efficiency of such services,? established the Hopi Clean Air Partnership Project (HCAPP) to support the Tribe?s economic development goals, which is sensitive to the needs and ways of the Hopi people. The Department of Energy (DOE) funded, Formation of Hopi Sustainable Energy Program results are included in the Clean Air Partnership Report. One of the Hopi Tribe?s primary strategies to improving the reliability and cost efficiency of energy services on the Reservation and to creating alternative (to coal) economic development opportunities is to form and begin implementation of the Hopi Sustainable Energy Program. The Hopi Tribe through the implementation of this grant identified various economic opportunities available from renewable energy resources. However, in order to take advantage of those opportunities, capacity building of tribal staff is essential in order for the Tribe to develop and manage its renewable energy resources. As Arizona public utilities such as APS?s renewable energy portfolio increases the demand for renewable power will increase. The Hopi Tribe would be in a good position to provide a percentage of the power through wind energy. It is equally important that the Hopi Tribe begin a dialogue with APS and NTUA to purchase the 69Kv transmission on Hopi and begin looking into financing options to purchase the line.

  9. Sustainable markets for sustainable energy

    Energy Technology Data Exchange (ETDEWEB)

    Millan, J.; Smyser, C.

    1997-12-01

    The author discusses how the Inter-American Development Bank (IDB) is involved in sustainable energy development. It presently has 50 loans and grants for non conventional renewable energy projects and ten grants for efficiency programs for $600 and $17 million respectively, representing 100 MW of power. The IDB is concerned with how to create a sustainable market for sustainable energy projects. The IDB is trying to work with government, private sector, NGOs, trading allies, credit sources, and regulators to find proper roles for such projects. He discusses how the IDB is working to expand its vision and objectives in renewable energy projects in Central and South America.

  10. Random Matrix Theory Approach to Indonesia Energy Portfolio Analysis

    Science.gov (United States)

    Mahardhika, Alifian; Purqon, Acep

    2017-07-01

    In a few years, Indonesia experienced difficulties in maintaining energy security, the problem is the decline in oil production from 1.6 million barrels per day to 861 thousand barrels per day in 2012. However, there is a difference condition in 2015 until the third week in 2016, world oil prices actually fell at the lowest price level since last 12 years. The decline in oil prices due to oversupply of oil by oil-producing countries of the world due to the instability of the world economy. Wave of layoffs in Indonesia is a response to the decline in oil prices, this led to the energy and mines portfolios Indonesia feared would not be more advantageous than the portfolio in other countries. In this research, portfolio analysis will be done on energy and mining in Indonesia by using stock price data of energy and mines in the period 26 November 2010 until April 1, 2016. It was found that the results have a wide effect of the market potential is high in the determination of the return on the portfolio energy and mines. Later, it was found that there are eight of the thirty stocks in the energy and mining portfolio of Indonesia which have a high probability of return relative to the average return of stocks in a portfolio of energy and mines.

  11. Energy sustainability through green energy

    CERN Document Server

    Sharma, Atul

    2015-01-01

    This book shares the latest developments and advances in materials and processes involved in the energy generation, transmission, distribution and storage. Chapters are written by researchers in the energy and materials field. Topics include, but are not limited to, energy from biomass, bio-gas and bio-fuels; solar, wind, geothermal, hydro power, wave energy; energy-transmission, distribution and storage; energy-efficient lighting buildings; energy sustainability; hydrogen and fuel cells; energy policy for new and renewable energy technologies and education for sustainable energy development

  12. Sustainable nuclear energy dilemma

    Directory of Open Access Journals (Sweden)

    Afgan Naim H.

    2013-01-01

    Full Text Available Sustainable energy development implies the need for the emerging potential energy sources which are not producing adverse effect to the environment. In this respect nuclear energy has gained the complimentary favor to be considered as the potential energy source without degradation of the environment. The sustainability evaluation of the nuclear energy systems has required the special attention to the criteria for the assessment of nuclear energy system before we can make firm justification of the sustainability of nuclear energy systems. In order to demonstrate the sustainability assessment of nuclear energy system this exercise has been devoted to the potential options of nuclear energy development, namely: short term option, medium term option, long term option and classical thermal system option. Criteria with following indicators are introduced in this analysis: nuclear indicator, economic indicator, environment indicator, social indicator... The Sustainability Index is used as the merit for the priority assessment among options under consideration.

  13. Sustainable Energy for All

    DEFF Research Database (Denmark)

    Energy crisis is one of the most pressing issues of our century. The world currently invests more than $1 trillion per year in energy, much of it going toward the energy systems of the past instead of building the clean energy economies of the future. Effectively, the provision of energy should...... be such that it meets the needs of the present without compromising the ability of future generations to meet their own needs. Investment in sustainable energy is a smart strategy for growing markets, improving competitiveness, and providing greater equity and opportunity. Sustainable energy has two key elements...... - renewable energy and energy efficiency. The promise of renewable energy can only be realised through significant R&D investments on technologies such as solar, biomass, wind, hydropower, geothermal power, ocean energy sources, solar-derived hydrogen fuel coupled with energy storage technologies necessary...

  14. Sustainability-Oriented Financial Resource Allocation in a Project Portfolio through Multi-Criteria Decision-Making

    Directory of Open Access Journals (Sweden)

    Nomeda Dobrovolskienė

    2016-05-01

    Full Text Available Modern portfolio theory attempts to maximize the expected return of a portfolio for a given level of portfolio risk, or equivalently minimize risk for a given level of expected return. The reality, however, shows that, when selecting projects to a portfolio and allocating resources in the portfolio, an increasing number of organizations take into account other aspects as well. As a result of the sole purpose (risk-return, it offers only a partial solution for a sustainable organization. Existing project portfolio selection and resource allocation methods and models do not consider sustainability. Therefore, the aim of this article is to develop a sustainability-oriented model of financial resource allocation in a project portfolio by integrating a composite sustainability index of a project into Markowitz’s classical risk-return scheme (mean-variance model. The model was developed by applying multi-criteria decision-making methods. The practicability of the model was tested by an empirical study in a selected construction company. The proposed sustainability-oriented financial resource allocation model could be used in allocating financial resources in any type of business. The use of the model would not only help organisations to manage risk and achieve higher return but would also allow carrying out sustainable projects, thereby promoting greater environmental responsibility and giving more consideration to the wellbeing of future generations. Moreover, the model allows quantifying the impact of the integration of sustainability into financial resource allocation on the return of a portfolio.

  15. Chemistry of sustainable energy

    CERN Document Server

    Carpenter, Nancy E

    2014-01-01

    Energy BasicsWhat Is Energy?Energy, Technology, and SustainabilityEnergy Units, Terms, and AbbreviationsElectricity Generation and StorageOther ResourcesReferencesFossil FuelsFormation of Oil and GasExtraction of Fossil FuelsRefiningCarbon Capture and StorageSummaryOther ResourcesOnline Resources Related to Carbon Capture andSequestrationReferencesThermodynamicsIntroductionThe First Law of ThermodynamicsThe Second Law and Thermodynamic Cycles: the Carnot EfficiencyExerg

  16. Analysis of Scientific and Methodical Approaches to Portfolio Investment as a Tool of Financial Provision of Sustainable Economic Development

    Directory of Open Access Journals (Sweden)

    Leus Daryna V.

    2013-12-01

    Full Text Available The article analyses scientific and methodical approaches to portfolio investment. It develops recommendations on specification of the categorical apparatus of portfolio investment in the context of differentiation of strategic (direct and portfolio investments as alternative approaches to the conduct of investment activity. It identifies the composition and functions of objects and subjects of portfolio investment under conditions of globalisation of the world financial markets. It studies main postulates of the portfolio theory and justifies a necessity of identification of the place, role and functions of subjects of portfolio investment in them for ensuring sustainable development of the economy. It offers to specify, as one of the ways of further development of portfolio theories, a separate direction in the financial provision of economy with consideration of ecologic and social components – socio responsible investment.

  17. Toward a Low-Carbon Economy : Renewable Energy and Energy Efficiency Portfolio Review

    OpenAIRE

    World Bank

    2013-01-01

    Renewable energy and energy efficiency projects continue to perform strongly in the World Bank Group (WBG) energy portfolio and are increasingly being mainstreamed in the WBG's energy lending. In fiscal 2007 a total of US$1,433 million supported 63 renewable energy and energy efficiency projects in 32 countries. In addition to operational activities, the WBG engages in a variety of economic sector work and technical assistance focused on renewable energy and energy efficiency. This work is an...

  18. Institute for Sustainable Energy

    Energy Technology Data Exchange (ETDEWEB)

    Agrawal, Ajay [Univ. of Alabama, Tuscaloosa, AL (United States)

    2016-03-28

    Alternate fuels offer unique challenges and opportunities as energy source for power generation, vehicular transportation, and industrial applications. Institute for Sustainable Energy (ISE) at UA conducts innovative research to utilize the complex mix of domestically-produced alternate fuels to achieve low-emissions, high energy-efficiency, and fuel-flexibility. ISE also provides educational and advancement opportunities to students and researchers in the energy field. Basic research probing the physics and chemistry of alternative fuels has generated practical concepts investigated in a burner and engine test platforms.

  19. Developing a portfolio of financially sustainable, scalable basic legal ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    fdieudonne

    2016-05-17

    May 17, 2016 ... This briefing paper summarises the findings of a recent study funded by the Open Society Foundations and International Development Research Centre which, against the backdrop of the Sustainable Goals for Development (SDGs), develops a framework for thinking about how basic legal service.

  20. THE ROLE OF ENERGY IN ECOLOGICAL SUSTAINABILITY

    Directory of Open Access Journals (Sweden)

    Popescu Maria-Floriana

    2015-07-01

    Full Text Available The rapid population growth leads to greater daily demand for energy, causing nations to diversify their portfolios and seek new sources of energy, including renewable to provide more energy. In a universe with seriously exhausted natural resources, severe urbanization, climate change and conflicts that go beyond borders, the issue of overpopulation unquestionably causes worldwide debates and can generate a snowball effect for the global economy or human society. Population’s increase in the nearby future will have a central role in challenges such as: global warming, air and water contamination, increase in the level of poverty, food scarcity, deforestation, desertification, health problems and resource shortages. The transformation into a sustainable environmental model, situated in a post-carbon economy, will imply setting barriers to industrial progress (will have to be sustainable and environmental friendly and also to population growth (will have to follow a normal pace. But, the level on vulnerability and uncertainty in the evolution of energy has been threatened lately by major events that took place all around the world. Security of supply, new geopolitical perspectives and ecological and sustainability issues are yet again on the bleeding line. Therefore, the goal of this theoretical article is to give an overview of the current situation concerning the role of energy in ecological sustainability. It expresses routes in which humans and enterprises can act in order to contribute to ecologically sustainable development. The subject of how we live on a congested planet represents the most critical sustainability of all. We are witnessing our current risks and we can also envision our possible, and particularly desirable, future: a steady human population, living and protecting the nature and planet, having finite needs of goods, services, or energy, and maintaining a healthy Earth for us and the animals that also depend on it. This is

  1. Strategies for Sustainable Energy Development

    DEFF Research Database (Denmark)

    Meyer, Niels I

    2009-01-01

    The paper analyses international strategies for establishing a sustainable energy development. Proposals are given for mitigation of global warming.......The paper analyses international strategies for establishing a sustainable energy development. Proposals are given for mitigation of global warming....

  2. Sustainable Energy Path

    Directory of Open Access Journals (Sweden)

    Hiromi Yamamoto

    2005-12-01

    Full Text Available The uses of fossil fuels cause not only the resources exhaustion but also the environmental problems such as global warming. The purposes of this study are to evaluate paths toward sustainable energy systems and roles of each renewable. In order to realize the purposes, the authors developed the global land use and energy model that figured the global energy supply systems in the future considering the cost minimization. Using the model, the authors conducted a simulation in C30R scenario, which is a kind of strict CO2 emission limit scenarios and reduced CO2 emissions by 30% compared with Kyoto protocol forever scenario, and obtained the following results. In C30R scenario bioenergy will supply 33% of all the primary energy consumption. However, wind and photovoltaic will supply 1.8% and 1.4% of all the primary energy consumption, respectively, because of the limits of power grid stability. The results imply that the strict limits of CO2 emissions are not sufficient to achieve the complete renewable energy systems. In order to use wind and photovoltaic as major energy resources, we need not only to reduce the plant costs but also to develop unconventional renewable technologies.

  3. Optimal investment portfolio in renewable energy. The Spanish case

    Energy Technology Data Exchange (ETDEWEB)

    Munoz, Jose Ignacio; Sanchez de la Nieta, Agustin A.; Contreras, Javier [E.T.S. de Ingenieros Industriales, University of Castilla-La Mancha, Avda. Camilo Jose Cela s/n. 13071 Ciudad Real (Spain); Bernal-Agustin, Jose L. [Department of Electrical Engineering, University of Zaragoza, Calle Maria de Luna, 3. 50018 Zaragoza (Spain)

    2009-12-15

    This article presents a model for investing in renewable energies in the framework of the Spanish electricity market in a way that risk is minimised for the investor while returns are maximised. The model outlined here is based on an economic model for calculating cash flows intended to obtain the internal rate of return (IRR) of the different energies being studied: wind, photovoltaic, mini hydro and thermo electrical. The IRRs obtained are considered the returns on investments, while their standard deviations are considered associated risks. In order to minimise risk, a comprehensive portfolio of investments is created that includes all of the available energies by means of a system of linear equations. The solution of the linear system is graphically checked using the efficient frontier method for the different financing options. Several case studies within the Renewable Energies Plan (PER is its Spanish abbreviation) that is in force in Spain in the period 2005-2010 are analysed in order to illustrate the method, as are other case studies using different types of financing, helping us to reach the pertinent conclusions. (author)

  4. Optimal investment portfolio in renewable energy: The Spanish case

    Energy Technology Data Exchange (ETDEWEB)

    Munoz, Jose Ignacio, E-mail: joseignacio.munoz@uclm.e [E.T.S. de Ingenieros Industriales, University of Castilla-La Mancha, Avda. Camilo Jose Cela s/n. 13071 Ciudad Real (Spain); Sanchez de la Nieta, Agustin A.; Contreras, Javier [E.T.S. de Ingenieros Industriales, University of Castilla-La Mancha, Avda. Camilo Jose Cela s/n. 13071 Ciudad Real (Spain); Bernal-Agustin, Jose L. [Department of Electrical Engineering, University of Zaragoza, Calle Maria de Luna, 3. 50018 Zaragoza (Spain)

    2009-12-15

    This article presents a model for investing in renewable energies in the framework of the Spanish electricity market in a way that risk is minimised for the investor while returns are maximised. The model outlined here is based on an economic model for calculating cash flows intended to obtain the internal rate of return (IRR) of the different energies being studied: wind, photovoltaic, mini hydro and thermo electrical. The IRRs obtained are considered the returns on investments, while their standard deviations are considered associated risks. In order to minimise risk, a comprehensive portfolio of investments is created that includes all of the available energies by means of a system of linear equations. The solution of the linear system is graphically checked using the efficient frontier method for the different financing options. Several case studies within the Renewable Energies Plan (PER is its Spanish abbreviation) that is in force in Spain in the period 2005-2010 are analysed in order to illustrate the method, as are other case studies using different types of financing, helping us to reach the pertinent conclusions.

  5. Sustainable procurement portfolio management: a case study in a mining company

    Directory of Open Access Journals (Sweden)

    Tamires Magalhães de Mello

    Full Text Available Abstract Sustainable procurement is a solution to integrate environmental and social considerations in all steps of procurement process, in order to reduce impacts on human health, environment, and human rights. Despite the existence of important works in this area, more studies for determining how the principles related to sustainable development can be integrated to procurement strategies are needed. This study presents a case study in a mining company to evaluate the elements that should be considered for the implementation of sustainability concept in the contracting of services through the application of a sustainability portfolio model. Results show that the contracts of the internal movement's category of the studied company fit as Strategic Commodity, which means that the items in this category have a risk in the strategic supply, because they need investments made by the buyer in the relationship with the supplier.

  6. Progress in sustainable energy technologies

    CERN Document Server

    Dincer, Ibrahim; Kucuk, Haydar

    2014-01-01

    This multi-disciplinary volume presents information on the state-of-the-art in sustainable energy technologies key to tackling the world's energy challenges and achieving environmentally benign solutions. Its unique amalgamation of the latest technical information, research findings and examples of successfully applied new developments in the area of sustainable energy will be of keen interest to engineers, students, practitioners, scientists and researchers working with sustainable energy technologies. Problem statements, projections, new concepts, models, experiments, measurements and simula

  7. Essays in energy economics: An inquiry into Renewable Portfolio Standards

    Science.gov (United States)

    Lamontagne, Laura Marie

    In an attempt to motivate the transition away from fossil fuels, reduce carbon emissions and diversify electricity supply, twenty-nine states and the District of Columbia have adopted a Renewable Portfolio Standard (RPS). An RPS is a form of regulation that requires increased electricity production from renewable energy sources. These standards vary by state but generally require a minimum percentage of electricity generation to come from renewable technologies by a predetermined date. In the first chapter I examine the effect of the adoption of an RPS on electricity rates, making use of the increased availability of data since several policies' adoption. Using a fifty state panel over the years 1990-2010, this study uses a difference-in-difference and a fixed effects estimation to measure how the adoption of an RPS affects the price of electricity in state markets. Empirical findings show that states that have adopted an RPS have approximately a 20% higher all-retail electricity price than states that do not have RPS. Following the adoption of this regulation, a state can expect to see electricity prices rise by roughly 5% on average per year relative to states with no RPS. Once the legislation has been in place for almost a decade, electricity rates begin to dramatically increase upwards of 10% per year. In the second chapter, I observe the economic, social and political factors that prompt a state to adopt a Renewable Portfolio Standard. I estimate a probit model to determine the probability a state will adopt an RPS in a year given its present political and economic climate. Results show that a deregulated electricity market, a high per-capita GDP, a strong democratic presence in the state legislature, high renewable capacity, and a strong incidence of natural gas are indicators a state will pass an RPS. Whether or not a state is a net importer or exporter of electricity is not a significant indicator of adoption of an RPS within a state. The third chapter

  8. Research and development portfolio of the sustainability science team national sustainable operations USDA Forest Service

    Science.gov (United States)

    Trista Patterson; David Nicholls; Jonathan Long

    2015-01-01

    The Sustainability Science Team (SST) of the U.S. Department of Agriculture (USDA) Forest Service Sustainable Operations Initiative is a 18-member virtual research and development team, located across five regions and four research stations of the USDA Forest Service. The team provides research, publication, systems analysis, and decision support to the Sustainable...

  9. Sustainable Energy Systems and Applications

    CERN Document Server

    Dinçer, İbrahim

    2012-01-01

    Sustainable Energy Systems and Applications presents analyses of sustainable energy systems and their applications, providing new understandings, methodologies, models and applications along with descriptions of several illustrative examples and case studies. This textbook aims to address key pillars in the field, such as: better efficiency, cost effectiveness, use of energy resources, environment, energy security, and sustainable development. It also includes some cutting-edge topics, such as hydrogen and fuel cells, renewable, clean combustion technologies, CO2 abatement technologies, and some potential tools for design, analysis and performance improvement. The book also: Discusses producing energy by increasing systems efficiency in generation, conversion, transportation and consumption Analyzes the conversion of fossil fuels to clean fuels for limiting  pollution and creating a better environment Sustainable Energy Systems and Applications is a research-based textbook which can be used by senior u...

  10. Principles of sustainable energy systems

    CERN Document Server

    Kreith, Frank

    2013-01-01

    … ""This is an ideal book for seniors and graduate students interested in learning about the sustainable energy field and its penetration. The authors provide very strong discussion on cost-benefit analysis and ROI calculations for various alternate energy systems in current use. This is a descriptive book with detailed case-based analyses of various systems and engineering applications. The text book provides real-world case studies and related problems pertaining to sustainable energy systems.""--Dr. Kuruvilla John, University of North Texas""The new edition of ""Principles of Sustainable En

  11. Energy efficiency, renewable energy and sustainable development

    Energy Technology Data Exchange (ETDEWEB)

    Ervin, C.A.

    1994-12-31

    The Office of Energy Efficiency and Renewable Energy (EE) is part of the U.S. Department of Energy that is specifically charged with encouraging the more efficient use of energy resources, and the use of renewable energy resources - such as solar power, wind power, biomass energy and geothermal energy. In the past several years, EE has increased its emphasis on technology deployment through partnerships with states, local governments and private companies. Partnerships move new discoveries more quickly into the marketplace, where they can create jobs, prevent pollution, save resources, and produce many other benefits. The author then emphasizes the importance of this effort in a number of different sections of the paper: energy consumption pervades everything we do; U.S. energy imports are rising to record levels; transportation energy demand is increasing; U.S. energy use is increasing; population growth increases world energy demand; total costs of energy consumption aren`t always counted; world energy markets offer incredible potential; cost of renewables is decreasing; clean energy is essential to sustainable development; sustainable energy policy; sustainable energy initiatives: utilities, buildings, and transportation.

  12. A Danish case. Portfolio evaluation and its impact on energy efficiency policy

    Energy Technology Data Exchange (ETDEWEB)

    Togeby, M.; Dyhr-Mikkelsen, K. [Ea Energy Analyses, Frederiksholms Kanal 4, 1220 Copenhagen K (Denmark); Larsen, A.E. [Department of Society and Globalisation, Roskilde University, Universitetsvej 1, 4000 Roskilde (Denmark); Bach, P. [Danish Energy Agency, Amaliegade 44, 1256 Copenhagen K (Denmark)

    2012-01-15

    A political agreement from 2005 stated that an evaluation of the entire Danish energy efficiency policy portfolio must be carried out before the end of 2008, with the aim to assess the following: (1) Is the policy portfolio sufficient to meet the energy efficiency targets? (2) Do the policies enable the national goals to be met in a cost-effective manner? (3) Is the overall design of the policy portfolio appropriate? The evaluation gave recommendations on how to improve and develop the portfolio, mainly using cost-effectiveness as criteria. The evaluation was completed in December 2008, and this paper presents the main findings and the subsequent impact on Danish policy. A key lesson learned is the importance of including all energy efficiency policies in the evaluation. Examining the entire portfolio of policies (as opposed to only selected policies) gave way to findings that would otherwise not have been captured. With its broad perspective, the evaluation found that the policy instruments prioritised the commercial and industrial sectors less than the household and public sectors. The recommendations made by the authors contributed to the implementation of new taxes for the commercial and industrial sectors together with the reform of the Electricity Saving Trust to a Centre for Energy Savings charged with energy savings within all sectors, except transport - both which have been important steps towards a more cost-effective solution.

  13. Engaging Sustainability Good Practice within the Curriculum Design and Property Portfolio in the Australian Higher Education Sector

    Science.gov (United States)

    Poon, Joanna

    2017-01-01

    Purpose: The purpose of this paper is to evaluate the extent to which universities' strategic plans affect the level of incorporation of sustainability within the curriculum design and property portfolio. Design/Methodology/Approach: This research adopted a case study approach. The case study institution was Deakin University in Australia. This…

  14. Energy sustainability: consumption, efficiency, and ...

    Science.gov (United States)

    One of the critical challenges in achieving sustainability is finding a way to meet the energy consumption needs of a growing population in the face of increasing economic prosperity and finite resources. According to ecological footprint computations, the global resource consumption began exceeding planetary supply in 1977 and by 2030, global energy demand, population, and gross domestic product are projected to greatly increase over 1977 levels. With the aim of finding sustainable energy solutions, we present a simple yet rigorous procedure for assessing and counterbalancing the relationship between energy demand, environmental impact, population, GDP, and energy efficiency. Our analyses indicated that infeasible increases in energy efficiency (over 100 %) would be required by 2030 to return to 1977 environmental impact levels and annual reductions (2 and 3 %) in energy demand resulted in physical, yet impractical requirements; hence, a combination of policy and technology approaches is needed to tackle this critical challenge. This work emphasizes the difficulty in moving toward energy sustainability and helps to frame possible solutions useful for policy and management. Based on projected energy consumption, environmental impact, human population, gross domestic product (GDP), and energy efficiency, for this study, we explore the increase in energy-use efficiency and the decrease in energy use intensity required to achieve sustainable environmental impact le

  15. Targeted selection of brownfields from portfolios for sustainable regeneration: User experiences from five cases testing the Timbre Brownfield Prioritization Tool.

    Science.gov (United States)

    Bartke, Stephan; Martinát, Stanislav; Klusáček, Petr; Pizzol, Lisa; Alexandrescu, Filip; Frantál, Bohumil; Critto, Andrea; Zabeo, Alex

    2016-12-15

    Prioritizing brownfields for redevelopment in real estate portfolios can contribute to more sustainable regeneration and land management. Owners of large real estate and brownfield portfolios are challenged to allocate their limited resources to the development of the most critical or promising sites, in terms of time and cost efficiency. Authorities worried about the negative impacts of brownfields - in particular in the case of potential contamination - on the environment and society also need to prioritize their resources to those brownfields that most urgently deserve attention and intervention. Yet, numerous factors have to be considered for prioritizing actions, in particular when adhering to sustainability principles. Several multiple-criteria decision analysis (MCDA) approaches and tools have been suggested in order to support these actors in managing their brownfield portfolios. Based on lessons learned from the literature on success factors, sustainability assessment and MCDA approaches, researchers from a recent EU project have developed the web-based Timbre Brownfield Prioritization Tool (TBPT). It facilitates assessment and prioritization of a portfolio of sites on the basis of the probability of successful and sustainable regeneration or according to individually specified objectives. This paper introduces the challenges of brownfield portfolio management in general and reports about the application of the TBPT in five cases: practical test-uses by two large institutional land owners from Germany, a local and a regional administrative body from the Czech Republic, and an expert from a national environmental authority from Romania. Based on literature requirements for sustainability assessment tools and on the end-users' feedbacks from the practical tests, we discuss the TBPT's strengths and weaknesses in order to inform and give recommendations for future development of prioritization tools. Copyright © 2016 Elsevier Ltd. All rights reserved.

  16. Energy Security, Innovation & Sustainability Initiative

    Energy Technology Data Exchange (ETDEWEB)

    None

    2010-04-30

    More than a dozen energy experts convened in Houston, Texas, on February 13, 2009, for the first in a series of four regionally-based energy summits being held by the Council on Competitiveness. The Southern Energy Summit was hosted by Marathon Oil Corporation, and participants explored the public policy, business and technological challenges to increasing the diversity and sustainability of U.S. energy supplies. There was strong consensus that no single form of energy can satisfy the projected doubling, if not tripling, of demand by the year 2050 while also meeting pressing environmental challenges, including climate change. Innovative technology such as carbon capture and storage, new mitigation techniques and alternative forms of energy must all be brought to bear. However, unlike breakthroughs in information technology, advancing broad-based energy innovation requires an enormous scale that must be factored into any equation that represents an energy solution. Further, the time frame for developing alternative forms of energy is much longer than many believe and is not understood by the general public, whose support for sustainability is critical. Some panelists estimated that it will take more than 50 years to achieve the vision of an energy system that is locally tailored and has tremendous diversity in generation. A long-term commitment to energy sustainability may also require some game-changing strategies that calm volatile energy markets and avoid political cycles. Taking a page from U.S. economic history, one panelist suggested the creation of an independent Federal Energy Reserve Board not unlike the Federal Reserve. The board would be independent and influence national decisions on energy supply, technology, infrastructure and the nation's carbon footprint to better calm the volatile energy market. Public-private efforts are critical. Energy sustainability will require partnerships with the federal government, such as the U.S. Department of Energy

  17. Hawaii Energy Sustainable Program

    Energy Technology Data Exchange (ETDEWEB)

    Rocheleau, Richard [Univ. of Hawaii, Honolulu, HI (United States); Turn, Scott [Univ. of Hawaii, Honolulu, HI (United States); Griffin, James [Univ. of Hawaii, Honolulu, HI (United States); Maskrey, Arthur [Univ. of Hawaii, Honolulu, HI (United States); Antal, Jr., Michael [Univ. of Hawaii, Honolulu, HI (United States); Busquet, Severine [Univ. of Hawaii, Honolulu, HI (United States); Cooney, Michael [Univ. of Hawaii, Honolulu, HI (United States); Cole, John [Univ. of Hawaii, Honolulu, HI (United States); Dubarry, Matthieu [Univ. of Hawaii, Honolulu, HI (United States); Ewan, James [Univ. of Hawaii, Honolulu, HI (United States); Liaw, Bor Yann [Univ. of Hawaii, Honolulu, HI (United States); Matthews, Dax [Univ. of Hawaii, Honolulu, HI (United States); Coffman, Makena [Univ. of Hawaii, Honolulu, HI (United States)

    2016-12-31

    The objective of HESP was to support the development and deployment of distributed energy resource (DER) technologies to facilitate increased penetration of renewable energy resources and reduced use of fossil fuels in Hawaii’s power grids. All deliverables, publications and other public releases have been submitted to the DOE in accordance with the award and subsequent award modifications.

  18. Portfolio Management

    Science.gov (United States)

    Duncan, Sharon L.

    2011-01-01

    Enterprise Business Information Services Division (EBIS) supports the Laboratory and its functions through the implementation and support of business information systems on behalf of its business community. EBIS Five Strategic Focus Areas: (1) Improve project estimating, planning and delivery capability (2) Improve maintainability and sustainability of EBIS Application Portfolio (3) Leap forward in IT Leadership (4) Comprehensive Talent Management (5) Continuous IT Security Program. Portfolio Management is a strategy in which software applications are managed as assets

  19. Energy, sustainability and development

    Energy Technology Data Exchange (ETDEWEB)

    Llewellyn Smith, Ch

    2006-07-01

    The author discusses in a first part the urgent need to reduce energy use (or at least curb growth) and seek cleaner ways of producing energy on a large scale. He proposes in a second part what must be done: introduce fiscal measures and regulation to change behavior of consumers, provide incentives to encourage the market to expand use of low carbon technologies, stimulate research and development by industry and develop the renewable energies sources. In a last part he looks what part can fusion play. (A.L.B.)

  20. The path towards sustainable energy

    Science.gov (United States)

    Chu, Steven; Cui, Yi; Liu, Nian

    2017-01-01

    Civilization continues to be transformed by our ability to harness energy beyond human and animal power. A series of industrial and agricultural revolutions have allowed an increasing fraction of the world population to heat and light their homes, fertilize and irrigate their crops, connect to one another and travel around the world. All of this progress is fuelled by our ability to find, extract and use energy with ever increasing dexterity. Research in materials science is contributing to progress towards a sustainable future based on clean energy generation, transmission and distribution, the storage of electrical and chemical energy, energy efficiency, and better energy management systems.

  1. Selling an Energy Efficiency Loan Portfolio in Oregon: Resale of the Craft3 loan portfolio to Self-Help Credit Union

    Energy Technology Data Exchange (ETDEWEB)

    Thompson, Peter; Borgeson, Merrian; Kramer, Chris; Zimring, Mark; Goldman, Charles

    2014-05-30

    Under the Clean Energy Works (CEW) program, Craft3 developed a loan product that widened access to financing for homeowners, offered long term funding, and collected repayments through the customer?s utility bill. The program?s success led Craft3 to pursue the sale of the loan portfolio to both mitigate its own risks and replenish funds for lending. This sale breaks new ground for energy efficiency finance and is notable as it was completed even with many novel program design elements. It replenished Craft3?s program capital and uncovered some valuable lessons that may facilitate future transactions. However, the lack of data history and the unproven nature of the loan portfolio meant that Craft3 had to limit the risk of losses to Self-Help, the purchaser of the portfolio. It remains to be seen whether this experience will pave the way for more sales of on-bill energy efficiency loan portfolios. This case study illustrates how certain program design decisions can sometimes both facilitate programmatic objectives and possibly present challenges for the sale of a portfolio of energy efficiency loans.

  2. Energy, Sustainability and Development

    CERN Multimedia

    CERN. Geneva

    2008-01-01

    A huge increase in energy use is expected in the coming decades – see the IEA’s ‘business as usual’/reference scenario below. While developed countries could use less energy, a large increase is needed to lift billions out of poverty, including over 25% of the world’s population who still lack electricity. Meeting demand in an environmentally responsible manner will be a huge challenge. The World Bank estimates that coal pollution leads to 300,000 deaths in China each year, while smoke from cooking and heating with biomass kills 1.3 million world-wide – more than malaria. The IEA’s alternative scenario requires a smaller increase in energy use than the reference scenario and is also less carbon intensive, but it still implies that CO2 emissions will increase 30% by 2030 (compared to 55% in the reference scenario). Frighteningly, implementing the alternative scenario faces “formidable hurdles” according to the IEA, despite the fact that it would yield financial savings for consumers that...

  3. Sustainable Plus-energy Houses

    DEFF Research Database (Denmark)

    Kazanci, Ongun Berk; Olesen, Bjarne W.

    for an international student competition, Solar Decathlon Europe 2012 and after the competition it was used as a full-scale experimental facility for one year. During this period, different heating and cooling strategies were tested and the performance of the house regarding the thermal indoor environment and energy......This study is an outcome of Elforsk, project number 344-060, Bæredygtige Energi-Plus huse (Sustainable plus-energy houses). The focus of this report is to document the approach and the results of different analyses concerning a plus-energy, single family house. The house was designed...

  4. Sustainable energy research at DTU

    DEFF Research Database (Denmark)

    Nielsen, Rolf Haugaard; Andersen, Morten

    In the coming years, Denmark and other countries worldwide are set to increase their focus on transforming their energy supplies towards more sustainablew technologies. As part of this process, they can make extensive use of the knowledge generated by the Technical University of Denmark (DTU......). The university is in the international vanguard of knowledge and research in the field of sustainable energy. With as many as 1,000 employees spread across a large number of departments, the university possesses extensive expertise on a wide range of energy technologies and energy systems. Research is carried...... out in close cooperation with internationally leading institutions and experts. Based on a wealth of core competencies, DTU takes a broadand holistic approach to energy research within both energy supply and consumption. Against this background, DTU identifies, presents and discusses new energy...

  5. Development and Sustainability of ePortfolios in Counselor Education: An Applied Retrospective

    Science.gov (United States)

    Luther, Ann E.; Barnes, Paul

    2015-01-01

    This article chronicles the evolution of an ePortfolio as a practicum/internship capstone project used to assess skill development in graduate level counselor education at the University of Nebraska at Omaha. The authors describe the successes and challenges encountered from the implementation of an internally designed and maintained ePortfolio in…

  6. Towards sustainable energy planning and management

    DEFF Research Database (Denmark)

    Østergaard, Poul Alberg; Sperling, Karl

    2014-01-01

    Rising energy costs, anthropogenic climate change, and fossil fuel depletion calls for a concerted effort within energy planning to ensure a sustainable energy future. This article presents an overview of global energy trends focusing on energy costs, energy use and carbon dioxide emissions....... Secondly, a review of contemporary work is presented focusing on national energy pathways with cases from Ireland, Denmark and Jordan, spatial issues within sustainable energy planning and policy means to advance a sustainable energy future....

  7. A System of Systems (SoS) Approach to Sustainable Energy Planning

    Science.gov (United States)

    Madani, Kaveh; Hadian, Saeed

    2015-04-01

    The general policy of mandating fossil fuel replacement with "green" energies may not be as effective and environmental-friendly as perceived, due to the secondary impacts of renewable energies on different natural resources. An integrated systems analysis framework is essential to developing sustainable energy supply systems with minimal unintended impacts on valuable natural resources such as water, climate, and ecosystem. This presentation discusses how a system of systems (SoS) framework can be developed to quantitatively evaluate the desirability of different energy supply alternatives with respect to different sustainability criteria under uncertainty. Relative Aggregate Footprint (RAF) scores of a range of renewable and nonrenewable energy alternatives are determined using their performance values under four sustainability criteria, namely carbon footprint, water footprint, land footprint, and cost of energy production. Our results suggest that despite their lower emissions, some renewable energy sources are less promising than non-renewable energy sources from a SoS perspective that considers the trade-offs between carbon footprint of energies and their effects on water, ecosystem, and economic resources. A new framework based on the Modern Portfolio Theory (MPT) is also proposed for analyzing the overall sustainability of different energy mixes for different risk of return levels with respect to the trade-offs involved. It is discussed how the proposed finance-based sustainability evaluation method can help policy makers maximize the energy portfolio's expected sustainability for a given amount of portfolio risk, or equivalently minimize risk for a given level of expected sustainability level, by revising the energy mix.

  8. Sustainable energy utilization in Finland

    Energy Technology Data Exchange (ETDEWEB)

    Alakangas, E.

    1996-12-31

    Finland tops the statistics for the industrialised world in the utilisation of bioenergy. In 1995 bioenergy, including peat-fired heat and power, accounted for 20 % of the total energy consumption. The declared goal of the government is to increase the use of bioenergy by not less than 25 % (1.5 million toe by the year 2005). Research and development plays a crucial role in the promotion of the expanded use of bioenergy in Finland. The aim is to identify and develop technologies for establishing and sustaining economically, environmentally and socially viable bioenergy niches in the energy system

  9. Energy access and sustainable development

    Science.gov (United States)

    Kammen, Daniel M.; Alstone, Peter; Gershenson, Dimitry

    2015-03-01

    With 1.4 billion people lacking electricity to light their homes and provide other basic services, or to conduct business, and all of humanity (and particularly the poor) are in need of a decarbonized energy system can close the energy access gap and protect the global climate system. With particular focus on addressing the energy needs of the underserved, we present an analytical framework informed by historical trends and contemporary technological, social, and institutional conditions that clarifies the heterogeneous continuum of centralized on-grid electricity, autonomous mini- or community grids, and distributed, individual energy services. We find that the current day is a unique moment of innovation in decentralized energy networks based on super-efficient end-use technology and low-cost photovoltaics, supported by rapidly spreading information technology, particularly mobile phones. Collectively these disruptive technology systems could rapidly increase energy access, contributing to meeting the Millennium Development Goals for quality of life, while simultaneously driving action towards low-carbon, Earth-sustaining, energy systems.

  10. Energy storage for sustainable microgrid

    CERN Document Server

    Gao, David Wenzhong

    2015-01-01

    Energy Storage for Sustainable Microgrid addresses the issues related to modelling, operation and control, steady-state and dynamic analysis of microgrids with ESS. This book discusses major electricity storage technologies in depth along with their efficiency, lifetime cycles, environmental benefits and capacity, so that readers can envisage which type of storage technology is best for a particular microgrid application. This book offers solutions to numerous difficulties such as choosing the right ESS for the particular microgrid application, proper sizing of ESS for microgrid, as well as

  11. Optimal portfolio selection between different kinds of Renewable energy sources

    Energy Technology Data Exchange (ETDEWEB)

    Zakerinia, MohammadSaleh; Piltan, Mehdi; Ghaderi, Farid

    2010-09-15

    In this paper, selection of the optimal energy supply system in an industrial unit is taken into consideration. This study takes environmental, economical and social parameters into consideration in modeling along with technical factors. Several alternatives which include renewable energy sources, micro-CHP systems and conventional system has been compared by means of an integrated model of linear programming and three multi-criteria approaches (AHP, TOPSIS and ELECTRE III). New parameters like availability of sources, fuels' price volatility, besides traditional factors are considered in different scenarios. Results show with environmental preferences, renewable sources and micro-CHP are good alternatives for conventional systems.

  12. Grand Challenge Portfolio: Driving Innovation in Industrial Energy Efficiency

    Energy Technology Data Exchange (ETDEWEB)

    None

    2011-01-04

    Under the Recovery Act, AMO provided cost-shared funding for early-stage, low-cost, "concept definition studies" of 47 promising innovations for next-generation manufacturing, energy-intensive processes, advanced materials, and greenhouse gas emissions reduction. The brochure provides information on each of these projects.

  13. Sustainable energy supply; Baerekraftig energioppdekning

    Energy Technology Data Exchange (ETDEWEB)

    Alm, Leif Kr.; Rosenberg, Eva [Institutt for energiteknikk, Kjeller(Norway); Kubberud Trond ECON, Oslo (Norway)

    1999-07-01

    This report discusses the potential for reducing the use of energy and quantifies the environmental disadvantages and estimated environmental costs of various energy carriers in Norway. The MARKAL model is used to work out three scenarios for a more sustainable use of energy. It is found that the environmental impact of NOx emissions are much greater than that of sulfur emissions. The damage caused by CO2 and NOx are of the same order of magnitude. The studies indicate that if the damage to the environment is internalized into the energy system, then it will lead to increased use of gas in the industry and transport sectors. The results are sensitive with respect to the cost development for the cleaning technology of conventional energy carriers and for storage and transport of gas. Internalizing the external costs is not enough to eliminate the environmental damage, at least not as this is valued today and with the technology supposed to be available for the next 30-40 years.

  14. Sustainability in energy and buildings. Proceedings

    Energy Technology Data Exchange (ETDEWEB)

    Haakansson, Anne [KTH Kista (Sweden). The Royal Institute of Technology; Hoejer, Mattias [KTH Royal Institute of Technology, Stockholm (Sweden). Centre for Sustainable Communications; Howlett, Robert J. [KES International, Shoreham-by-sea (United Kingdom); Bournemouth Univ., Dorset (United Kingdom); Jain, Lakhmi C. (eds.) [South Australia Univ. (Australia). School of Electrical and Information Engineering

    2013-06-01

    Recent research in Sustainability in Energy and Buildings. Edited outcome of the Sustainability in Energy and Buildings, SEB'2012 held on September 3-5, 2012 in Stockholm, Sweden. Written by leading experts in the field. This volume contains the proceedings of the Fourth International Conference on Sustainability in Energy and Buildings, SEB12, held in Stockholm, Sweden, and is organised by KTH Royal Institute of Technology, Stockholm, Sweden in partnership with KES International. The International Conference on Sustainability in Energy and Buildings focuses on a broad range of topics relating to sustainability in buildings but also encompassing energy sustainability more widely. Following the success of earlier events in the series, the 2012 conference includes the themes Sustainability, Energy, and Buildings and Information and Communication Technology, ICT. The SEB'12 proceedings includes invited participation and paper submissions across a broad range of renewable energy and sustainability-related topics relevant to the main theme of Sustainability in Energy and Buildings. Applicable areas include technology for renewable energy and sustainability in the built environment, optimisation and modeling techniques, information and communication technology usage, behaviour and practice, including applications.

  15. Integrated Renewable Energy and Campus Sustainability Initiative

    Energy Technology Data Exchange (ETDEWEB)

    Uthoff, Jay [Luther College, Decorah, IA (United States); Jensen, Jon [Luther College, Decorah, IA (United States); Bailey, Andrew [Luther College, Decorah, IA (United States)

    2013-09-25

    Renewable energy, energy conservation, and other sustainability initiatives have long been a central focus of Luther College. The DOE funded Integrated Renewable Energy and Campus Sustainability Initiative project has helped accelerate the College’s progress toward carbon neutrality. DOE funds, in conjunction with institutional matching funds, were used to fund energy conservation projects, a renewable energy project, and an energy and waste education program aimed at all campus constituents. The energy and waste education program provides Luther students with ideas about sustainability and conservation guidelines that they carry with them into their future communities.

  16. Evaluating the Best Renewable Energy Technology For Sustainable Energy Planning

    OpenAIRE

    Demirtas, Ozgur

    2013-01-01

    Energy is one of the main factors that must be considered in the discussions of sustainable development. The basic dimensions of sustainability of energy production are environmentally, technically, economically and socially sustainable supply of energy resources that, in the long term, is reliable, adequate and affordable. Renewable, clean and cost effective energy sources are preferred but unfortunately no one of the alternative energy sources can meet these demands solely. So, the problem ...

  17. Evaluating the Best Renewable Energy Technology for Sustainable Energy Plannin

    OpenAIRE

    Ozgur Demirta

    2013-01-01

    Energy is one of the main factors that must be considered in the discussions of sustainable development. The basic dimensions of sustainability of energy production are environmentally, technically, economically and socially sustainable supply of energy resources that, in the long term, is reliable, adequate and affordable. Renewable, clean and cost effective energy sources are preferred but unfortunately no one of the alternative energy sources can meet these demands solely. So, the problem ...

  18. The cost of geothermal energy in the western US region:a portfolio-based approach a mean-variance portfolio optimization of the regions' generating mix to 2013.

    Energy Technology Data Exchange (ETDEWEB)

    Beurskens, Luuk (ECN-Energy Research Centre of the Netherland); Jansen, Jaap C. (ECN-Energy Research Centre of the Netherlands); Awerbuch, Shimon Ph.D. (.University of Sussex, Brighton, UK); Drennen, Thomas E.

    2005-09-01

    Energy planning represents an investment-decision problem. Investors commonly evaluate such problems using portfolio theory to manage risk and maximize portfolio performance under a variety of unpredictable economic outcomes. Energy planners need to similarly abandon their reliance on traditional, ''least-cost'' stand-alone technology cost estimates and instead evaluate conventional and renewable energy sources on the basis of their portfolio cost--their cost contribution relative to their risk contribution to a mix of generating assets. This report describes essential portfolio-theory ideas and discusses their application in the Western US region. The memo illustrates how electricity-generating mixes can benefit from additional shares of geothermal and other renewables. Compared to fossil-dominated mixes, efficient portfolios reduce generating cost while including greater renewables shares in the mix. This enhances energy security. Though counter-intuitive, the idea that adding more costly geothermal can actually reduce portfolio-generating cost is consistent with basic finance theory. An important implication is that in dynamic and uncertain environments, the relative value of generating technologies must be determined not by evaluating alternative resources, but by evaluating alternative resource portfolios. The optimal results for the Western US Region indicate that compared to the EIA target mixes, there exist generating mixes with larger geothermal shares at equal-or-lower expected cost and risk.

  19. The Water Demand of Energy: Implications for Sustainable Energy Policy Development

    Directory of Open Access Journals (Sweden)

    Kaveh Madani

    2013-11-01

    Full Text Available With energy security, climate change mitigation, and sustainable development as three main motives, global energy policies have evolved, now asking for higher shares of renewable energies, shale oil and gas resources in the global energy supply portfolios. Yet, concerns have recently been raised about the environmental impacts of the renewable energy development, supported by many governments around the world. For example, governmental ethanol subsidies and mandates in the U.S. are aimed to increase the biofuel supply while the water footprint of this type of energy might be 70–400 times higher than the water footprint of conventional fossil energy sources. Hydrofracking, as another example, has been recognized as a high water-intensive procedure that impacts the surface and ground water in both quality and quantity. Hence, monitoring the water footprint of the energy mix is significantly important and could have implications for energy policy development. This paper estimates the water footprint of current and projected global energy policies, based on the energy production and consumption scenarios, developed by the International Energy Outlook of the U.S. Energy Information Administration. The outcomes reveal the amount of water required for total energy production in the world will increase by 37%–66% during the next two decades, requiring extensive improvements in water use efficiency of the existing energy production technologies, especially renewables.

  20. Demonstrating sustainable energy: A review-based model of sustainable energy demonstration projects

    NARCIS (Netherlands)

    Bossink, Bart

    2017-01-01

    This article develops a model of sustainable energy demonstration projects, based on a review of 229 scientific publications on demonstrations in renewable and sustainable energy. The model addresses the basic organizational characteristics (aim, cooperative form, and physical location) and learning

  1. Sustainable energy landscapes: The power of imagination

    NARCIS (Netherlands)

    Stremke, S.

    2012-01-01

    Resource depletion and climate change motivate a transition to sustainable energy systems that make effective use of renewable sources. Sustainable energy transition necessitates a transformation of large parts of the existing built environment and presents one of the great challenges of present-day

  2. Better energy indicators for sustainable development

    Science.gov (United States)

    Taylor, Peter G.; Abdalla, Kathleen; Quadrelli, Roberta; Vera, Ivan

    2017-08-01

    The UN Sustainable Development Goal 7 aims to deliver affordable, reliable, sustainable and modern energy for all. Tracking progress towards the targets under this goal can spur better energy statistics and data gathering capacity, and will require new indicators that also consider the interplay with other goals.

  3. Progress on linking gender and sustainable energy

    Energy Technology Data Exchange (ETDEWEB)

    Farhar, B.

    2000-04-05

    The field of gender and energy has been identified as critical in global sustainable energy development and is increasingly important to decision makers. The theme of women and energy was of significance at the 1998 World Renewable Energy Congress in Florence, Italy. This paper traces further developments in this field by summarizing selected programmatic initiatives, meetings, and publications over the past 18 months.

  4. Utilizing GIS to Examine the Relationship Between State Renewable Portfolio Standards and the Adoption of Renewable Energy Technologies

    Directory of Open Access Journals (Sweden)

    Chelsea Schelly

    2013-12-01

    Full Text Available In the United States, there is no comprehensive energy policy at the federal level. To address issues as diverse as climate change, energy security, and economic development, individual states have increasingly implemented Renewable Portfolio Standards (RPSs, which mandate that utility providers include a specified amount of electricity from renewable energy sources in their total energy portfolios. Some states have included incentives for individual energy technologies in their RPS, such as solar electric (also called photovoltaic or PV technology. Here, we use GIS to visualize adoption of RPSs and electricity generation from renewable energy sources in the US and examine changes in renewable electricity and solar electric generation over time with the goal of informing future policies aimed at promoting the adoption of renewable energy technologies.

  5. A sustainable energy-system in Latvia

    DEFF Research Database (Denmark)

    Rasmussen, Lotte Holmberg

    2003-01-01

    but a negative trade-balance. With this in mind, it is important that Latvia is able to meet the challenge and use the economic development to develop a sustainable energy-system and a sounder trade-balance. A combination of energy planning, national economy and innovation processes in boiler companies will form......The paper presents some of the problems in the Latvian energy-system, the Latvian economy and how a sustainable restructuring of the energy system with renewable energy, co-generation and the production of energy technology can help solve some of the problems. Latvia has economic growth...

  6. The EU sustainable energy policy indicators framework.

    Science.gov (United States)

    Streimikiene, Dalia; Sivickas, Gintautas

    2008-11-01

    The article deals with indicators framework to monitor implementation of the main EU (European Union) directives and other policy documents targeting sustainable energy development. The main EU directives which have impact on sustainable energy development are directives promoting energy efficiency and use of renewable energy sources, directives implementing greenhouse gas mitigation and atmospheric pollution reduction policies and other policy documents and strategies targeting energy sector. Promotion of use of renewable energy sources and energy efficiency improvements are among priorities of EU energy policy because the use of renewable energy sources and energy efficiency improvements has positive impact on energy security and climate change mitigation. The framework of indicators can be developed to establish the main targets set by EU energy and environmental policies allowing to connect indicators via chain of mutual impacts and to define policies and measures necessary to achieve established targets based on assessment of their impact on the targeted indicators representing sustainable energy development aims. The article discusses the application of indicators framework for EU sustainable energy policy analysis and presents the case study of this policy tool application for Baltic States. The article also discusses the use of biomass in Baltic States and future considerations in this field.

  7. Portfolio Optimization

    OpenAIRE

    Frajtova-Michalikova, Katarina; Spuchľakova, Erika; Misankova, Maria

    2015-01-01

    In this paper Portfolio Optimization techniques were used to determine the most favorable investment portfolio. In particular, stock indices of three companies, namely Microsoft Corporation, Christian Dior Fashion House and Shevron Corporation were evaluated. Using this data the amounts invested in each asset when a portfolio is chosen on the efficient frontier were calculated. In addition, the Portfolio with minimum variance, tangency portfolio and optimal Markowitz portfolio are presented.

  8. Arbitrage Portfolios

    OpenAIRE

    Rodolfo Apreda

    2001-01-01

    It should be expected from this paper an expansion on some distinctive issues regarding arbitrage portfolios: i) a definition on arbitrage portfolios that enables adjustments to SML and CML environments; ii) sufficient conditions to set up arbitrage portfolios against the SML and CML; iii) feasibility of separation portfolios to carry out arbitrage not only against SML but CML as well; iv) arbitrage of portfolios located in Treynor’s lines by using separation portfolios within a SML environme...

  9. Regional allocation of biomass to U.S. energy demands under a portfolio of policy scenarios.

    Science.gov (United States)

    Mullins, Kimberley A; Venkatesh, Aranya; Nagengast, Amy L; Kocoloski, Matt

    2014-01-01

    The potential for widespread use of domestically available energy resources, in conjunction with climate change concerns, suggest that biomass may be an essential component of U.S. energy systems in the near future. Cellulosic biomass in particular is anticipated to be used in increasing quantities because of policy efforts, such as federal renewable fuel standards and state renewable portfolio standards. Unfortunately, these independently designed biomass policies do not account for the fact that cellulosic biomass can equally be used for different, competing energy demands. An integrated assessment of multiple feedstocks, energy demands, and system costs is critical for making optimal decisions about a unified biomass energy strategy. This study develops a spatially explicit, best-use framework to optimally allocate cellulosic biomass feedstocks to energy demands in transportation, electricity, and residential heating sectors, while minimizing total system costs and tracking greenhouse gas emissions. Comparing biomass usage across three climate policy scenarios suggests that biomass used for space heating is a low cost emissions reduction option, while biomass for liquid fuel or for electricity becomes attractive only as emissions reduction targets or carbon prices increase. Regardless of the policy approach, study results make a strong case for national and regional coordination in policy design and compliance pathways.

  10. Sustainable automotive energy system in China

    CERN Document Server

    CAERC, Tsinghua University

    2014-01-01

    This book identifies and addresses key issues of automotive energy in China. It covers demography, economics, technology and policy, providing a broad perspective to aid in the planning of sustainable road transport in China.

  11. Energy efficiency and sustainability: evaluation of electricity ...

    African Journals Online (AJOL)

    Tricomponent Model of Attitude), this work presents the results of a systematic survey and analysis of electricity consumer's attitudes, behaviours and practices towards energy use and sustainability. Using the random sampling method, the ...

  12. Global Energy Assessment. Toward a Sustainable Future

    Energy Technology Data Exchange (ETDEWEB)

    Johansson, T.B.; Nakicenovic, N.; Patwardhan, A.; Gomez-Echeverri, L. (eds.)

    2012-11-01

    The Global Energy Assessment (GEA) brings together over 300 international researchers to provide an independent, scientifically based, integrated and policy-relevant analysis of current and emerging energy issues and options. It has been peer-reviewed anonymously by an additional 200 international experts. The GEA assesses the major global challenges for sustainable development and their linkages to energy; the technologies and resources available for providing energy services; future energy systems that address the major challenges; and the policies and other measures that are needed to realize transformational change toward sustainable energy futures. The GEA goes beyond existing studies on energy issues by presenting a comprehensive and integrated analysis of energy challenges, opportunities and strategies, for developing, industrialized and emerging economies. This volume is an invaluable resource for energy specialists and technologists in all sectors (academia, industry and government) as well as policymakers, development economists and practitioners in international organizations and national governments.

  13. Intelligent computing for sustainable energy and environment

    Energy Technology Data Exchange (ETDEWEB)

    Li, Kang [Queen' s Univ. Belfast (United Kingdom). School of Electronics, Electrical Engineering and Computer Science; Li, Shaoyuan; Li, Dewei [Shanghai Jiao Tong Univ., Shanghai (China). Dept. of Automation; Niu, Qun (eds.) [Shanghai Univ. (China). School of Mechatronic Engineering and Automation

    2013-07-01

    Fast track conference proceedings. State of the art research. Up to date results. This book constitutes the refereed proceedings of the Second International Conference on Intelligent Computing for Sustainable Energy and Environment, ICSEE 2012, held in Shanghai, China, in September 2012. The 60 full papers presented were carefully reviewed and selected from numerous submissions and present theories and methodologies as well as the emerging applications of intelligent computing in sustainable energy and environment.

  14. A System of Systems (SoS) Approach to Sustainable Energy Planning in MENA

    Science.gov (United States)

    Mahlooji, Maral; Ristic, Bora; Price, Katherine; Madani, Kaveh

    2016-04-01

    The global issue of climate change has put pressure on governments to de-carbonise their energy portfolios by transitioning from the dominant use of fossil fuels energy to extensive use of renewable energies. The lack of renewable energy laws and credible targets and valid roadmaps for energy policies within the MENA region has let to ambitious and unrealistic renewable targets, where countries such as Djibouti and Morocco are aiming for 100% and 42% renewables respectively, by 2020, while Kuwait and Qatar are only aiming for 5% and 6% respectively. Nevertheless, this demonstrates the commitment and desirability of the members of the MENA region on increasing their share of renewables in their energy mix to reduce the greenhouse gas emissions of the region and minimise the unintended impacts of energy technologies on major natural resources through use of cost efficient technologies. The Relative Aggregate Footprint (RAF) of energy sources among the member states of the MENA region is assessed by applying the "System of Systems (SoS) Approach to Energy Sustainability Assessment" (Hadian and Madani, 2015). RAF demonstrates the efficiency of the overall resource-use of energy resources through creating a trade-off between carbon footprint, land footprint, water footprint, and economic cost. Using the resource availability of each member states, weights are assigned to the four criteria. This allows the evaluation of the desirability of energy sources with respect to regional resource availability and therefore, the efficiency of the overall resource-use of the energy portfolio of the MENA region is determined. This study has recognised the need for reform and radical changes within the MENA region's energy profile to make a significant contribution to the reduction of carbon emissions in order to use the resources in a sustainable way and increase the regional energy security of the member states across MENA. Reference: Hadian S, Madani K (2015) A System of Systems

  15. An Ad-Hoc Initial Solution Heuristic for Metaheuristic Optimization of Energy Market Participation Portfolios

    Directory of Open Access Journals (Sweden)

    Ricardo Faia

    2017-06-01

    Full Text Available The deregulation of the electricity sector has culminated in the introduction of competitive markets. In addition, the emergence of new forms of electric energy production, namely the production of renewable energy, has brought additional changes in electricity market operation. Renewable energy has significant advantages, but at the cost of an intermittent character. The generation variability adds new challenges for negotiating players, as they have to deal with a new level of uncertainty. In order to assist players in their decisions, decision support tools enabling assisting players in their negotiations are crucial. Artificial intelligence techniques play an important role in this decision support, as they can provide valuable results in rather small execution times, namely regarding the problem of optimizing the electricity markets participation portfolio. This paper proposes a heuristic method that provides an initial solution that allows metaheuristic techniques to improve their results through a good initialization of the optimization process. Results show that by using the proposed heuristic, multiple metaheuristic optimization methods are able to improve their solutions in a faster execution time, thus providing a valuable contribution for players support in energy markets negotiations.

  16. Summer institute of sustainability and energy

    Energy Technology Data Exchange (ETDEWEB)

    Crabtree, George W. [Univ. of Illinois, Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)

    2012-08-01

    The vision for the Summer Institute on Sustainability and Energy (SISE) is to integrate advancements in basic energy sciences with innovative energy technologies to train the next generation of interdisciplinary scientists and policy makers for both government and industry. Through BES related research, these future leaders will be equipped to make educated decisions about energy at the personal, civic, and global levels in energy related fields including science, technology, entrepreneurship, economics, policy, planning, and behavior. This vision explicitly supports the 2008 report by the Department of Energy’s Basic Energy Science Advisory Committee (2), which outlines scientific opportunities and challenges to achieve energy security, lower CO2 emissions, reduce reliance on foreign oil and create enduring economic growth through discovery, development and the marketing of new technologies for sustainable energy production, delivery, and use (3).

  17. Sustainable Energy Future - Nordic Perspective

    DEFF Research Database (Denmark)

    Nørgaard, Jørgen

    1998-01-01

    This invited paper first outlines the methodologies applied in analysing the energy savings potentials, as applied to a Nordic and a European case study. Afterwards are shown results for how a high quality of life can be achieved with an energy consumption only a small fraction of the present...

  18. MIT - Mighty Steps toward Energy Sustainability

    Energy Technology Data Exchange (ETDEWEB)

    Robinson, Alastair [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Regnier, Cindy [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Settlemyre, Kevin [Sustainable IQ, Inc., Arlington, MA (United States); Bosnic, Zorana [HOK, San Francisco, CA (United States)

    2012-07-01

    Massachusetts Institute of Technology (MIT) partnered with the U.S. Department of Energy (DOE) to develop and implement solutions to retrofit existing buildings to reduce energy consumption by at least 30% as part of DOE’s Commercial Building Partnerships (CBP) Program.1 Lawrence Berkeley National Laboratory (LBNL) provided technical expertise in support of this DOE program. MIT is one of the U.S.’s foremost higher education institutions, occupying a campus that is nearly 100 years old, with a building floor area totaling more than 12 million square feet. The CBP project focused on improving the energy performance of two campus buildings, the Ray and Maria Stata Center (RMSC) and the Building W91 (BW91) data center. A key goal of the project was to identify energy saving measures that could be applied to other buildings both within MIT’s portfolio and at other higher education institutions. The CBP retrofits at MIT are projected to reduce energy consumption by approximately 48%, including a reduction of around 72% in RMSC lighting energy and a reduction of approximately 55% in RMSC server room HVAC energy. The energy efficiency measure (EEM) package proposed for the BW91 data center is expected to reduce heating, ventilation, and air-conditioning (HVAC) energy use by 30% to 50%, depending on the final air intake temperature that is established for the server racks. The RMSC, an iconic building designed by Frank Gehry, houses the Computer Science and Artificial Intelligence Laboratory, the Laboratory for Information and Decision Systems, and the Department of Linguistics and Philosophy.

  19. Climate change, energy, sustainability and pavements

    Energy Technology Data Exchange (ETDEWEB)

    Gopalakrishnan, Kasthurirangan [Iowa State Univ., Ames, IA (United States). Dept. of Civil, Construction and Environmental Engineering; Steyn, Wynand JvdM [Pretoria Univ. (South Africa). Dept. of Civil Engineering; Harvey, John (ed.) [California Univ., Davis, CA (United States). Dept. of Civil and Environmental Engineering

    2014-07-01

    Provides an integrated perspective on understanding the impacts of climate change, energy and sustainable development on transportation infrastructure systems. Presents recent technological innovations and emerging concepts in the field of green and sustainable transportation infrastructure systems with a special focus on highway and airport pavements. Written by leading experts in the field. Climate change, energy production and consumption, and the need to improve the sustainability of all aspects of human activity are key inter-related issues for which solutions must be found and implemented quickly and efficiently. To be successfully implemented, solutions must recognize the rapidly changing socio-techno-political environment and multi-dimensional constraints presented by today's interconnected world. As part of this global effort, considerations of climate change impacts, energy demands, and incorporation of sustainability concepts have increasing importance in the design, construction, and maintenance of highway and airport pavement systems. To prepare the human capacity to develop and implement these solutions, many educators, policy-makers and practitioners have stressed the paramount importance of formally incorporating sustainability concepts in the civil engineering curriculum to educate and train future civil engineers well-equipped to address our current and future sustainability challenges. This book will prove a valuable resource in the hands of researchers, educators and future engineering leaders, most of whom will be working in multidisciplinary environments to address a host of next-generation sustainable transportation infrastructure challenges.

  20. Sustainable energy landscapes : designing, planning, and development

    NARCIS (Netherlands)

    Stremke, S.; Dobbelsteen, van den A.

    2013-01-01

    In the near future the appearance and spatial organization of urban and rural landscapes will be strongly influenced by the generation of renewable energy. One of the critical tasks will be the re-integration of these sustainable energy landscapes into the existing environment—which people value and

  1. Sustainable Energy. Alternative proposals to Mercosur

    Energy Technology Data Exchange (ETDEWEB)

    Honty, G. [Centro de Estudios Uruguayo de Tecnologias CEUTA, Montevideo (Uruguay)

    2002-08-01

    After a brief assessment of the Mercosur energy sector (Mercosur is a regional trade agreement subscribed to by Argentina, Brazil, Paraguay and Uruguay) an overview is given of proposals for a sustainable energy integration in the Mercosur: general proposals by sector, specific proposals for the larger economies (Argentina and Brazil), and means of implementation.

  2. Sustainable Energy Technology Acceptance : A psychological perspective

    NARCIS (Netherlands)

    Huijts, N.M.A.

    2013-01-01

    Sustainable energy systems are designed to overcome the large problems resulting from current fossil fuel use, such as climate change, air pollution and energy insecurity. Citizens’ opinions and responses are crucial to the successful implementation of new technologies. This thesis explains public

  3. Preparedness Portfolios and Portfolio Studios

    Science.gov (United States)

    Turns, Jennifer; Sattler, Brook; Eliot, Matt; Kilgore, Deborah; Mobrand, Kathryn

    2012-01-01

    We live in a time of great enthusiasm for the role that e-Portfolios can play in education and a time of exploration in which educators and researchers are investigating different approaches to using ePortfolios to differentially support educational goals. In this paper, we focus on preparedness portfolios and portfolio studios as two key…

  4. Renewable energy strategies for sustainable development

    DEFF Research Database (Denmark)

    Lund, Henrik

    2005-01-01

    production, and replacement of fossil fuels by various sources of renewable energy. Consequently, large-scale renewable energy implementation plans must include strategies of how to integrate the renewable sources in coherent energy systems influenced by energy savings and efficiency measures. Based......This paper discusses the perspective of renewable energy (wind, solar, wave and biomass) in the making of strategies for a sustainable development. Such strategies typically involve three major technological changes: energy savings on the demand side, efficiency improvements in the energy...... on the case of Denmark, this paper discusses the problems and perspectives of converting present energy systems into a 100 percent renewable energy system. The conclusion is that such development will be possible. The necessary renewable energy sources are present, if further technological improvements...

  5. Nested MC-Based Risk Measurement of Complex Portfolios: Acceleration and Energy Efficiency

    Directory of Open Access Journals (Sweden)

    Sascha Desmettre

    2016-10-01

    Full Text Available Risk analysis and management currently have a strong presence in financial institutions, where high performance and energy efficiency are key requirements for acceleration systems, especially when it comes to intraday analysis. In this regard, we approach the estimation of the widely-employed portfolio risk metrics value-at-risk (VaR and conditional value-at-risk (cVaR by means of nested Monte Carlo (MC simulations. We do so by combining theory and software/hardware implementation. This allows us for the first time to investigate their performance on heterogeneous compute systems and across different compute platforms, namely central processing unit (CPU, many integrated core (MIC architecture XeonPhi, graphics processing unit (GPU, and field-programmable gate array (FPGA. To this end, the OpenCL framework is employed to generate portable code, and the size of the simulations is scaled in order to evaluate variations in performance. Furthermore, we assess different parallelization schemes, and the targeted platforms are evaluated and compared in terms of runtime and energy efficiency. Our implementation also allowed us to derive a new algorithmic optimization regarding the generation of the required random number sequences. Moreover, we provide specific guidelines on how to properly handle these sequences in portable code, and on how to efficiently implement nested MC-based VaR and cVaR simulations on heterogeneous compute systems.

  6. Human development and sustainability of energy systems

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    This seminar on human development and sustainability was jointly organized by the French agency of environment and energy mastery (Ademe) and Enerdata company. This document summarises the content of the different presentations and of the minutes of the discussions that took place at the end of each topic. The different themes discussed were: 1 - Political and methodological issues related to sustainability (sustainability concept in government policy, sustainability and back-casting: lessons from EST); 2 - towards a socially viable world: thematic discussions (demography and peoples' migration; time budget and life style change - equal sex access to instruction and labour - geopolitical regional and inter-regional universal cultural acceptability; welfare, poverty and social link and economics); 3 - building up an environmentally sustainable energy world, keeping resources for future generations and preventing geopolitical ruptures (CO{sub 2} emissions; nuclear issues; land-use, noise, and other industrial risks). The memorandum on sustainability issues in view of very long term energy studies is reprinted in the appendix. The transparencies of seven presentations are attached to this document. (J.S.)

  7. Sustainable Energy, Water and Environmental Systems

    DEFF Research Database (Denmark)

    Østergaard, Poul Alberg; Duic, Neven

    2014-01-01

    This issue presents research results from the 8th Conference on Sustainable Development of Energy, Water and Environment Systems – SDEWES - held in Dubrovnik, Croatia in 2013. Topics covered here include the energy situation in the Middle East with a focus in Cyprus and Israel, energy planning...... methodology with Ireland as a case and the applicability of energy scenarios modelling tools as a main focus, evaluation of energy demands in Italy and finally evaluation of underground cables vs overhead lines and lacking public acceptance of incurring additional costs for the added benefit of having...

  8. Sustainable Energy, Water and Environmental Systems

    Directory of Open Access Journals (Sweden)

    Poul Alberg Østergaard

    2014-06-01

    Full Text Available This issue presents research results from the 8th Conference on Sustainable Development of Energy, Water and Environment Systems – SDEWES - held in Dubrovnik, Croatia in 2013. Topics covered here include the energy situation in the Middle East with a focus in Cyprus and Israel, energy planning methodology with Ireland as a case and the applicability of energy scenarios modelling tools as a main focus, evaluation of energy demands in Italy and finally evaluation of underground cables vs overhead lines and lacking public acceptance of incurring additional costs for the added benefit of having transmission beyond sight.

  9. Northern communities sustainable energy initiative

    Energy Technology Data Exchange (ETDEWEB)

    Oltman, Ursula; Widmeyer, Scott; Moen, Harlan

    2010-09-15

    The Circumpolar North may provide the solution to the world's most urgent problems. Combining new technologies with the resources, opportunities and needs of the north, the Arctic region may become instrumental in promoting nature's ability to sequester natural carbons while supplying future energy demands to the world. With the technologies for efficiencies and CCS, the abundant supply of natural gas exists for an efficient northern network of electrical generating facilities in the circumpolar region. A symbiotic relationship between facilities can ensure dependable clean electricity and support East-West distribution of power across international time zones strategically connected to southern grids.

  10. Wind energy for a sustainable development

    DEFF Research Database (Denmark)

    Karagali, Ioanna; Hasager, Charlotte Bay; Sempreviva, Anna Maria

    2014-01-01

    of both the wind energy related research activities and the wind energy industry, as installed capacity has been increasing in most of the developed and developing countries. The DTU Wind Energy department carries the heritage of the Risø National Laboratory for Sustainable Energy by leading the research......Wind energy is on the forefront of sustainable technologies related to the production of electricity from green sources that combine the efficiency of meeting the demand for growth and the ethical responsibility for environmental protection. The last decades have seen an unprecedented growth...... developments in all sectors related to planning, installing and operating modern wind farms at land and offshore. With as many as 8 sections the department combines specialists at different thematic categories, ranging from meteorology, aeroelastic design and composite materials to electrical grids and test...

  11. Novel combustion concepts for sustainable energy development

    CERN Document Server

    Agarwal, Avinash K; Gupta, Ashwani K; Aggarwal, Suresh K; Kushari, Abhijit

    2014-01-01

    This book comprises research studies of novel work on combustion for sustainable energy development. It offers an insight into a few viable novel technologies for improved, efficient and sustainable utilization of combustion-based energy production using both fossil and bio fuels. Special emphasis is placed on micro-scale combustion systems that offer new challenges and opportunities. The book is divided into five sections, with chapters from 3-4 leading experts forming the core of each section. The book should prove useful to a variety of readers, including students, researchers, and professionals.

  12. Climate change, energy, sustainability and pavements

    CERN Document Server

    Gopalakrishnan, Kasthurirangan; Harvey, John

    2014-01-01

    Climate change, energy production and consumption, and the need to improve the sustainability of all aspects of human activity are key inter-related issues for which solutions must be found and implemented quickly and efficiently.  To be successfully implemented, solutions must recognize the rapidly changing socio-techno-political environment and multi-dimensional constraints presented by today's interconnected world.  As part of this global effort, considerations of climate change impacts, energy demands, and incorporation of sustainability concepts have increasing importance in the design,

  13. Worldwide Engagement for Sustainable Energy Strategies

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2013-08-01

    Almost 40 years after the Agency’s founding, the IEA responsibility for ensuring access to global oil supplies is still a core mandate. Yet over the course of its history, the IEA’s responsibilities have expanded along with both the international energy economy and conceptions of energy security itself. Our mission to promote secure and sustainable energy provision spans the energy mix. At the same time, a changing global energy map means that the industrialised nations of the world no longer dominate energy consumption. The IEA must work in close co-operation with partner countries and organisations worldwide to achieve its three core objectives: energy security, economic prosperity, and environmental sustainability. Working toward international commitments to reduce greenhouse gas emissions that cause global climate change; facilitating energy technology exchange, innovation and deployment; improving modern energy access to the billions of people who are without it; bolstering both cleanliness and security through energy efficiency; and promoting flexible and functioning energy markets – these efforts complement our traditional core responsibilities of mitigating the effects of supply disruptions and improving statistical transparency.

  14. Sorghum. A contribution to the diversification of the portfolio of energy plants; Sorghumhirsen. Ein Beitrag zur Diversifizierung des Energiepflanzenspektrums

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-09-19

    Within the joint project 'Cultivation technology sorghum - A contribution to the diversification of the portfolio of energy plants' extensive investigations of the cultivation technology in sorghum were conducted. Within this joint project sorghum will be tested under various conditions according to its suitability as a raw material for the production of biogas. Additionally, the cultivation of sorghum in Germany shall be optimized under cultivation techniques and environmental aspects.

  15. Sustainable Energy Business Visits 2009; Duurzame Energie bedrijfsbezoeken 2009

    Energy Technology Data Exchange (ETDEWEB)

    Gielen, J.H. [C Point, DLV Plant, Horst (Netherlands)

    2010-03-15

    Because the Steering Committee for Long-term Agreements on Energy for Mushrooms found the sustainable energy business visits of 2008 very valuable, it was decided in 2009 to assign Cpoint the task of conducting sustainable energy advisory visits, enabling mushroom cultivators to sign up for a free of charge sustainable energy visit. This report summarizes the results of these business visits [Dutch] Omdat de Duurzame Energie (DE) bedrijfsbezoeken van 2008 door de Stuurgroep MJA-e Paddestoelen als erg waardevol zijn ervaren, is er ook voor het jaar 2009 aan Cpoint een opdracht voor het uitvoeren van DE adviesbezoeken verstrekt, waarbij champignontelers zich konden opgeven voor een gratis DE adviesbezoek. In dit rapport wordt verslag gedaan van de resultaten van de bedrijfsbezoeken.

  16. Renewable energy progress and biofuels sustainability

    Energy Technology Data Exchange (ETDEWEB)

    Hamelinck, C.; De Lovinfosse, I.; Koper, M.; Beestermoeller, C.; Nabe, C.; Kimmel, M.; Van den Bos, A.; Yildiz, I.; Harteveld, M. [Ecofys Netherlands, Utrecht (Netherlands); Ragwitz, M.; Steinhilber, S. [Fraunhofer Institut fuer System- und Innovationsforschung ISI, Karlsruhe (Germany); Nysten, J.; Fouquet, D. [Becker Buettner Held BBH, Munich (Germany); Resch, G.; Liebmann, L.; Ortner, A.; Panzer, C. [Energy Economics Group EEG, Vienna University of Technology, Vienna (Austria); Walden, D.; Diaz Chavez, R.; Byers, B.; Petrova, S.; Kunen, E. [Winrock International, Brussels (Belgium); Fischer, G.

    2013-03-15

    On 27 March 2013, the European Commission published its first Renewable Energy Progress Report under the framework of the 2009 Renewable Energy Directive. Since the adoption of this directive and the introduction of legally binding renewable energy targets, most Member States experienced significant growth in renewable energy consumption. 2010 figures indicate that the EU as a whole is on its trajectory towards the 2020 targets with a renewable energy share of 12.7%. Moreover, in 2010 the majority of Member States already reached their 2011/2012 interim targets set in the Directive. However, as the trajectory grows steeper towards the end, more efforts will still be needed from the Member States in order to reach the 2020 targets. With regard to the EU biofuels and bioliquids sustainability criteria, Member States' implementation of the biofuels scheme is considered too slow. In accordance with the reporting requirements set out in the 2009 Directive on Renewable Energy, every two years the European Commission publishes a Renewable Energy Progress Report. The report assesses Member States' progress in the promotion and use of renewable energy along the trajectory towards the 2020 renewable energy targets. The report also describes the overall renewable energy policy developments in each Member State and their compliance with the measures outlined in the Directive and the National Renewable Energy Action Plans. Moreover, in accordance with the Directive, it reports on the sustainability of biofuels and bioliquids consumed in the EU and the impacts of this consumption. A consortium led by Ecofys was contracted by the European Commission to perform support activities concerning the assessment of progress in renewable energy and sustainability of biofuels.

  17. Renewable energy for sustainable development and environment

    Energy Technology Data Exchange (ETDEWEB)

    Omer, Abdeen

    2010-09-15

    The increased availability of reliable and efficient energy services stimulates new development alternatives. This article discusses the potential for such integrated systems in the stationary and portable power market in response to the critical need for a cleaner energy technology. Throughout the theme several issues relating to renewable energies, environment and sustainable development are examined from both current and future perspectives. It is concluded that renewable environmentally friendly energy must be encouraged, promoted, implemented and demonstrated by full-scale plan especially for use in remote rural areas.

  18. Energy-Intensive Processes Portfolio: Addressing Key Energy Challenges Across U.S. Industry

    Energy Technology Data Exchange (ETDEWEB)

    None

    2011-03-07

    AMO is developing advanced technologies that cut energy use and carbon emissions in some of the most energy-intensive processes within U.S. manufacturing. The brochure describes the AMO R&D projects that address these challenges.

  19. Energy sustainability: consumption, efficiency, and environmental impact

    Science.gov (United States)

    One of the critical challenges in achieving sustainability is finding a way to meet the energy consumption needs of a growing population in the face of increasing economic prosperity and finite resources. According to ecological footprint computations, the global resource consump...

  20. Sustainable Energy Landscape: Implementing Energy Transition in the Physical Realm

    NARCIS (Netherlands)

    Stremke, S.

    2015-01-01

    Since the beginning of the new millennium, the concept of “energy landscape” is being discussed by academia from the environmental design domain while more and more practitioners have been contributing to sustainable energy transition. Yet, there remains some ambiguity as to what exactly is meant

  1. Energy technology progress for sustainable development

    Energy Technology Data Exchange (ETDEWEB)

    Arvizu, D.E.; Drennen, T.E.

    1997-03-01

    Energy security is a fundamental part of a country`s national security. Access to affordable, environmentally sustainable energy is a stabilizing force and is in the world community`s best interest. The current global energy situation however is not sustainable and has many complicating factors. The primary goal for government energy policy should be to provide stability and predictability to the market. This paper differentiates between short-term and long-term issues and argues that although the options for addressing the short-term issues are limited, there is an opportunity to alter the course of long-term energy stability and predictability through research and technology development. While reliance on foreign oil in the short term can be consistent with short-term energy security goals, there are sufficient long-term issues associated with fossil fuel use, in particular, as to require a long-term role for the federal government in funding research. The longer term issues fall into three categories. First, oil resources are finite and there is increasing world dependence on a limited number of suppliers. Second, the world demographics are changing dramatically and the emerging industrialized nations will have greater supply needs. Third, increasing attention to the environmental impacts of energy production and use will limit supply options. In addition to this global view, some of the changes occurring in the US domestic energy picture have implications that will encourage energy efficiency and new technology development. The paper concludes that technological innovation has provided a great benefit in the past and can continue to do so in the future if it is both channels toward a sustainable energy future and if it is committed to, and invested in, as a deliberate long-term policy option.

  2. Fostering Learning in Large Programmes and Portfolios: Emerging Lessons from Climate Change and Sustainable Development

    Directory of Open Access Journals (Sweden)

    Blane Harvey

    2017-02-01

    Full Text Available In fields like climate and development, where the challenges being addressed can be described as “wicked”, learning is key to successful programming. Useful practical and theoretical work is being undertaken to better understand the role of reflexive learning in bringing together different knowledge to address complex problems like climate change. Through a review of practical cases and learning theories commonly used in the areas of resilience, climate change adaptation and environmental management, this article: (i reviews the theories that have shaped approaches to reflexive learning in large, highly-distributed climate change and resilience-building programmes for development; and (ii conducts a comparative learning review of key challenges and lessons emerging from early efforts to promote and integrate reflexive learning processes in programmes of this nature. Using a case study approach, the authors focus on early efforts made in four large, inter-related (or nested programmes to establish, integrate and sustain learning processes and systems. Eight themes emerged from the review and are considered from the perspective of learning programmes as emergent communities of practice. By investigating how these themes play out in the nested programming, the paper contributes to the limited existing body of evidence on learning in large climate change programmes and identifies areas where future efforts might focus.

  3. Energy from Biomass for Sustainable Cities

    Science.gov (United States)

    Panepinto, D.; Zanetti, M. C.; Gitelman, L.; Kozhevnikov, M.; Magaril, E.; Magaril, R.

    2017-06-01

    One of the major challenges of sustainable urban development is ensuring a sustainable energy supply while minimizing negative environmental impacts. The European Union Directive 2009/28/EC has set a goal of obtaining 20 percent of all energy from renewable sources by 2020. In this context, it is possible to consider the use of residues from forest maintenance, residues from livestock, the use of energy crops, the recovery of food waste, and residuals from agro-industrial activities. At the same time, it is necessary to consider the consequent environmental impact. In this paper an approach in order to evaluate the environmental compatibility has presented. The possibilities of national priorities for commissioning of power plants on biofuel and other facilities of distributed generation are discussed.

  4. Methods of Comprehensive Assessment for China’s Energy Sustainability

    Science.gov (United States)

    Xu, Zhijin; Song, Yankui

    2018-02-01

    In order to assess the sustainable development of China’s energy objectively and accurately, we need to establish a reasonable indicator system for energy sustainability and make a targeted comprehensive assessment with the scientific methods. This paper constructs a comprehensive indicator system for energy sustainability from five aspects of economy, society, environment, energy resources and energy technology based on the theory of sustainable development and the theory of symbiosis. On this basis, it establishes and discusses the assessment models and the general assessment methods for energy sustainability with the help of fuzzy mathematics. It is of some reference for promoting the sustainable development of China’s energy, economy and society.

  5. An analysis of Renewable Portfolio Standard policy formulation and its influence on state level energy prices

    Science.gov (United States)

    McCollester, Peter Colin

    Over the past two decades, environmental concern has crept to the forefront of the world policy agenda. This concern has manifested itself differently throughout the world. In the United States, this has come in the form of Renewable Portfolio Standards (RPS) which have become one of the primary policy tools which states use to encourage renewable energy generation. The advent of RPS has spurred intense debate at a federal and state level, centering on the economic merits of promoting renewable energy generation. Detractors argue that RPS will raise electricity rates, since generation from renewable sources is typically costlier than energy generated from fossil fuels. At this point, evidence to the relationship between RPS on electricity prices remains unclear. Researchers have attempted to understand this relationship through a variety of means. The most common being regression based models, which utilize readily available United States Energy Information Agency (US EIA) data, and have uncovered a number of important independent variables which are incorporated into the model in this study. Examples include personal income, state population, and deregulation of an energy market. In addition to empirical studies, the National Renewable Energy Laboratory (NREL) has created complex mathematical models which generate scenario projections based on a number of assumptions. While interesting, these are forward looking tools and as such have not yielded a tremendous amount of insight into the underlying policy mechanics of RPS. A challenge of addressing this topic which is worth noting is that much of the research available which analyzes the merits of RPS caters to distinct political or private sector agendas. The research gathered for this study is comprehensive, and attempts to avoid studies with any clear political, ideological, or financial motivation. Using the insights from previous researchers this study develops a rigorous fixed effects regression model to

  6. Fiscal Year 2013 Net Zero Energy-Water-Waste Portfolio for Fort Leonard Wood

    Science.gov (United States)

    2014-12-01

    Stormwater Management Implement and achieve objectives from USEPA Army Policy Army Sustainable Design and Development Policy, December 2013...facilities with follow-up projects, ERDC/CERL SR-14-11 54 and established stormwater management requirements. EO 13514 extend- ed water reduction...EnEff Stadt (a comprehen- sive approach to urban areas with local and district heating networks), the World Bank Energy Sector Management Assistance

  7. Journal of Renewable Energy and Sustainable Development

    Directory of Open Access Journals (Sweden)

    Yasser Gaber Dessouky

    2015-08-01

    Full Text Available Energy is one of the basic needs of humanity and, for ages, the sun seemed to be the main source ofall energy in the universe and that is why the ancient Egyptians used to venerate it. Many wastes andcorpses – under pressure and heat – have been converted throughout the years inside the earth intothe oil on which recent development is totally based to support humans’ life, particularly intransportation and power generation. As time passes, it has been proven that oil will vanish. For thefirst moment, it seemed like mankind will certainly suffer due to such a hard situation and some peoplethought that we will get back to stone ages when oil no longer exists. Thanks for the Renewable Energy scientist who has looked at the issue from a different prospective,that is, even if oil vanishes, the main reason of its existence is still there, that is the sun . The sun has the capability to still make people enjoy their life not only by enjoying the sunny weatherin many places of the world and having good times on the beach for those who live by the sea but alsothe sun can still provide man with required energy and cause the wind to blow, the waves to raise, theplants to be converted to biomass, and the earth to store its geothermal energy. As long as life goes on, the sun will always rise and will always grant its energy to mankind. It is theclean, renewable and sustainable energy, which guarantees sustainable development. Because of the high correlation between renewable energy and sustainable development, the editorialteam of this journal thought of offering a hub to researchers interested in these two important fields topresent their work and share it with others who have the same interest in such a wide area ofresearch . Thanks to the Academy Publishing Center, ‘APC’ owned by the Arab Academy for Science,Technology and Maritime Transport ‘AASTMT’ for hosting this international journal .

  8. Motivating sustainable energy consumption in the home

    Energy Technology Data Exchange (ETDEWEB)

    He, H.A.; Greenberg, S. [Calgary Univ., AB (Canada). Dept. of Computer Science

    2009-07-01

    This paper discussed social motivations related to household energy conservation. The aim of the study was to explore how technology can be designed and used in the home to encourage sustainable energy use. The basic techniques used to motivate sustainable energy action included behaviour change techniques; information techniques; positive motivational techniques; and coercive motivational techniques. The psychological theories used in the study included cognitive dissonance as a means of reminding people of the inconsistency of their attitudes towards energy and their behaviour, and utility theory as a means of determining personal motivations for energy conservation. The study showed that people are more motivated to act when presented with personalized information and monetary losses as opposed to monetary gain. Social value orientation and self-reflection motivations were also considered. The study showed that pro-social orientation can be used in the form of ambient displays located in public areas of the home. Self-reflection can be encouraged by allowing family members to annotate visualizations containing a history of their energy consumption data. Results of the study will be used to design actual feedback visualizations of energy use. 18 refs.

  9. Energy Technology Investments: Maximizing Efficiency Through a Maritime Energy Portfolio Interface and Decision Aid

    Science.gov (United States)

    2012-02-09

    Force Energy (TFE) to identify opportunities that would have the greatest impact on SECNAV energy goals established in Oct 20091. Over half of the...Investment (ROI) and Break Even Point ( BEP ). These metrics are essential for determining whether an initiative would be worth pursuing. Balanced...etc.). These techniques will allow the user to consolidate the various initiatives and ships to see an overall impact , or allow the user to drill

  10. Energy analysis for sustainable mega-cities

    Energy Technology Data Exchange (ETDEWEB)

    Phdungsilp, Aumnad

    2006-09-15

    Cities throughout Asia have experienced unprecedented development over the past decades. In many cases this has contributed to their rapid and uncontrolled growth, which has resulted in a multiplicity of problems, including rapid population increase, enhanced environmental pollution, collapsing traffic systems, dysfunctional waste management, and rapid increases in the consumption of energy, water and other resources. The significant energy use in cities is not very well perceived in Asian countries. Although a number of studies into energy consumption across various sectors have been conducted, most are from the national point of view. Energy demand analysis is not considered important at the level of the city. The thesis is focused on the dynamics of energy utilization in Asian mega-cities, and ultimately aims at providing strategies for maximizing the use of renewable energy in large urban systems. The study aims at providing an in-depth understanding of the complex dynamics of energy utilization in urban mega-centers. An initial general analysis is complemented by a detailed study of the current situation and future outlook for the city of Bangkok, Thailand. An integrated approach applied to the study includes identification of the parameters that affect the utilization of energy in mega-cities and a detailed analysis of energy flows and their various subsystems, including commercial, industrial, residential and that of transportation. The study investigates and evaluates the energy models most commonly used for analyzing and simulating energy utilization. Its purpose is to provide a user-friendly tool suitable for decision-makers in developing an energy model for large cities. In addition, a Multi-Criteria Decision-Making (MCDM) process has been developed to assess whether or not the energy systems meet the sustainability criteria. A metabolic approach has been employed to analyze the energy flow and utilization in selected Asian mega-cities, including Bangkok

  11. Sustainability of grape-ethanol energy chain

    Directory of Open Access Journals (Sweden)

    Ester Foppa Pedretti

    2014-11-01

    Full Text Available The aim of this work is to evaluate the sustainability, in terms of greenhouse gases emission saving, of a new potential bio-ethanol production chain in comparison with the most common ones. The innovation consists of producing bio-ethanol from different types of no-food grapes, while usually bio-ethanol is obtained from matrices taken away from crop for food destination: sugar cane, corn, wheat, sugar beet. In the past, breeding programs were conducted with the aim of improving grapevine characteristics, a large number of hybrid vine varieties were produced and are nowadays present in the Viticulture Research Centre (CRA-VIT Germplasm Collection. Some of them are potentially interesting for bio-energy production because of their high production of sugar, good resistance to diseases, and ability to grow in marginal lands. Life cycle assessment (LCA of grape ethanol energy chain was performed following two different methods: i using the spreadsheet BioGrace, developed within the Intelligent Energy Europe program to support and to ease the Renewable Energy Directive 2009/28/EC implementation; ii using a dedicated LCA software. Emissions were expressed in CO2 equivalent (CO2eq. These two tools gave very similar results. The overall emissions impact of ethanol production from grapes on average is about 33 g CO2eq MJ–1 of ethanol if prunings are used for steam production and 53 g CO2eq MJ–1 of ethanol if methane is used. The comparison with other bio-energy chains points out that the production of ethanol using grapes represents an intermediate situation in terms of general emissions among the different production chains. The results showed that the sustainability limits provided by the normative are respected to this day. On the contrary, from 2017 this production will be sustainable only if the transformation processes will be performed using renewable sources of energy.

  12. Sustainable-energy managment practices in an energy economy

    Science.gov (United States)

    Darkwa, K.

    2001-10-01

    The economic survival of any nation depends upon its ability to produce and manage sufficient supplies of low-cost safe energy. The world's consumption of fossil fuel resources currently increasing at 3% per annum is found to be unsustainable. Projections of this trend show that mankind will exhaust all known reserves in the second half of the coming century. Governments, industrialists, commercial organizations, public sector departments and the general public have now become aware of the urgent requirements for the efficient management of resources and energy-consuming activities. Most organizations in the materials, manufacturing and retail sectors and in the service industries have also created energy management departments, or have employed consultants, to monitor energy consumption and to reduce wastage. Conversely, any sustained attempt to reduce rates of energy consumption even by as little as 0.1% per annum ensures relatively an eternal future supply as well as reduction on environmental and ecological effect. Thus, there is no long- term solution to energy flow problem other than systematic and effective energy management and the continuous application of the techniques of energy management. Essential energy management strategies in support of a sustainable energy- economy are discussed.

  13. Mitigating Pollution of Hazardous Materials from WEEE of China: Portfolio Selection for a sustainable future based on Multi-Criteria Decision Making

    DEFF Research Database (Denmark)

    An, Da; Yang, Yu; Chai, Xilong

    2015-01-01

    In order to solve the environmental contaminations and human health problems caused by the inappropriate treatment of waste electrical and electronic equipment (WEEE) in China, sustainable e-waste treatment has emerged in China's WEEE recycling industry. This study aims to develop a multi......-criteria decision making method by integrating interval Analytic Hierarchy Process and interval VIKOR method for China's stakeholders to select the most efficacious portfolio for solving the severe problems caused by the informal e-waste recycling and promote the development of China's WEEE recycling industry...

  14. Sustainable Materials for Sustainable Energy Storage: Organic Na Electrodes.

    Science.gov (United States)

    Oltean, Viorica-Alina; Renault, Stéven; Valvo, Mario; Brandell, Daniel

    2016-03-01

    In this review, we summarize research efforts to realize Na-based organic materials for novel battery chemistries. Na is a more abundant element than Li, thereby contributing to less costly materials with limited to no geopolitical constraints while organic electrode materials harvested from biomass resources provide the possibility of achieving renewable battery components with low environmental impact during processing and recycling. Together, this can form the basis for truly sustainable electrochemical energy storage. We explore the efforts made on electrode materials of organic salts, primarily carbonyl compounds but also Schiff bases, unsaturated compounds, nitroxides and polymers. Moreover, sodiated carbonaceous materials derived from biomasses and waste products are surveyed. As a conclusion to the review, some shortcomings of the currently investigated materials are highlighted together with the major limitations for future development in this field. Finally, routes to move forward in this direction are suggested.

  15. Sustainable Materials for Sustainable Energy Storage: Organic Na Electrodes

    Directory of Open Access Journals (Sweden)

    Viorica-Alina Oltean

    2016-03-01

    Full Text Available In this review, we summarize research efforts to realize Na-based organic materials for novel battery chemistries. Na is a more abundant element than Li, thereby contributing to less costly materials with limited to no geopolitical constraints while organic electrode materials harvested from biomass resources provide the possibility of achieving renewable battery components with low environmental impact during processing and recycling. Together, this can form the basis for truly sustainable electrochemical energy storage. We explore the efforts made on electrode materials of organic salts, primarily carbonyl compounds but also Schiff bases, unsaturated compounds, nitroxides and polymers. Moreover, sodiated carbonaceous materials derived from biomasses and waste products are surveyed. As a conclusion to the review, some shortcomings of the currently investigated materials are highlighted together with the major limitations for future development in this field. Finally, routes to move forward in this direction are suggested.

  16. Smart energy control systems for sustainable buildings

    CERN Document Server

    Spataru, Catalina; Howlett, Robert; Jain, Lakhmi

    2017-01-01

    There is widespread interest in the way that smart energy control systems, such as assessment and monitoring techniques for low carbon, nearly-zero energy and net positive buildings can contribute to a Sustainable future, for current and future generations. There is a turning point on the horizon for the supply of energy from finite resources such as natural gas and oil become less reliable in economic terms and extraction become more challenging, and more unacceptable socially, such as adverse public reaction to ‘fracking’. Thus, in 2016 these challenges are having a major influence on the design, optimisation, performance measurements, operation and preservation of: buildings, neighbourhoods, cities, regions, countries and continents. The source and nature of energy, the security of supply and the equity of distribution, the environmental impact of its supply and utilization, are all crucial matters to be addressed by suppliers, consumers, governments, industry, academia, and financial institutions. Thi...

  17. ENERGY AND SUSTAINABLE DEVELOPMENT IN CUBA

    Directory of Open Access Journals (Sweden)

    Debrayan Bravo Hidalgo

    2015-10-01

    Full Text Available Employment and enhancing the use of renewable energy sources could be considered as the beginning of a third ¨Industrial Revolution¨. The transition to a low carbon dioxide emission permits to a momentous turning point in the fight against climate change, improve energy security, and last but not least, significantly reduce the geopolitical intentions of this. The increase in renewable sources constitutes a guideline for energy policy in Cuba. Thus, programs for the construction of small hydropower plants, plant cells and photovoltaic panels, solar thermal energy systems for various services are developed; and the use of other primary sources such as wind and biomass. This work shows the implementation of these practices in the nation, the present results and future aspirations facing the demands of sustainable and steady development of generation and power consumption.

  18. Sustainable Design of Energy Systems - The Case of Geothermal Energy

    OpenAIRE

    Heracles Polatidis; Dias Haralambopoulos

    2006-01-01

    Geothermal energy is one of the renewable energy resources with a vast potential. It is extended spatially in many areas, isolated from urban areas and direct uses, whereas its utilisation when it is not for electricity production is many times hampered due to lack of a proper development framework. In this work we present a design framework for sustainable geothermal systems incorporating modules covering the various aspects of exploration, utilisation, end-use and management. The overall fr...

  19. Biomass energy success stories: a portfolio illustrating current economic uses of renewable biomass energy

    Energy Technology Data Exchange (ETDEWEB)

    None

    1978-03-01

    This second edition of the Biomass Energy Success Stories covers a wide range of examples of organizations which have experienced economic benefits by substituting renewable biomass energy for non-renewable fossil fuels. In addition to the broader spectrum of industry seen to be pursuing this approach, the cases illustrate a move towards innovative and technologically more sophisticated approaches. For example, the Quebec Community's thermal accumulator acts as a buffer to accommodate the variable fuel value of boiler fuel consisting of unpredictable residues of variable moisture content. By this innovative approach, the quality of steam to its year-round customer can be held within the contractual limits. Another unique development appears in the use of the LAMB-CARGATE wet cell burner which is able to cope with wood residue fuels containing up to 70% moisture. Two of the more interesting and promising developments in the race to substitute renewable energy for fossil fuels are Fluidized Bed and Fuel-alcohol on-farm distilleries. For this reason appendices are included giving some useful insights concerning them.

  20. Technology Paths in Energy-Efficient and Sustainable Construction

    DEFF Research Database (Denmark)

    Holm, Jesper; Lund Sørensen, Runa Cecilie

    2015-01-01

    Various tehcnology paths and regimes, Building codes and standards in energy, eco and sustainable housing......Various tehcnology paths and regimes, Building codes and standards in energy, eco and sustainable housing...

  1. Sustainable desalination using ocean thermocline energy

    KAUST Repository

    Ng, Kim Choon

    2017-09-22

    The conventional desalination processes are not only energy intensive but also environment un-friendly. They are operating far from thermodynamic limit, 10–12%, making them un-sustainable for future water supplies. An innovative desalination processes are required to meet future sustainable desalination goal and COP21 goal. In this paper, we proposed a multi-effect desalination system operated with ocean thermocline energy, thermal energy harnessed from seawater temperature gradient. It can exploit low temperature differential between surface hot water temperature and deep-sea cold-water temperature to produce fresh water. Detailed theoretical model was developed and simulation was conducted in FORTRAN using international mathematical and statistical library (IMSL). We presented four different cases with deep-sea cold water temperature varies from 5 to 13°C and MED stages varies from 3 to 6. It shows that the proposed cycle can achieve highest level of universal performance ratio, UPR = 158, achieving about 18.8% of the ideal limit. With the major energy input emanated from the renewable solar, the proposed cycle is truly a “green desalination” method of low global warming potential (GWP), best suited for tropical coastal shores having bathymetry depths up to 300m or more.

  2. Spanish energy planning towards a sustainable future

    Energy Technology Data Exchange (ETDEWEB)

    Contreras, A.; Yigit, K.S.; Veziroglu, T.N. [Miami Univ., Coral Gables, FL (United States)

    1997-11-01

    There is a growing awareness among all countries and their decision makers, regardless of economic and industrial development, that the environment must be protected, leading towards a sustainable future. This is especially important in the energy sector - which is the principal factor in economic and industrial development - since the primary energy sources of today, fossil fuels, are the main culprits of global environmental problems, such as the greenhouse effect, ozone layer depletion, acid rains and pollution. Industrial countries, being greater consumers of fossil fuels, are affected to a greater extent by their environmental harms. Consequently, these countries are leading the way in environmental protection measures. The European Union, the second largest industrial grouping in the world, has become one of the leaders in taking important measures in the energy sector to curb the harmful emissions over the years. Spain, a member of the European Union, has initiated planning to reduce the pollutants produced by the energy sources and bring them in line with the European Union efforts, while keeping up the country`s economic development. This paper reports the efforts and planning of Spain through the year 2010 to comply with the European Union environmental regulations on one hand and to sustain economic development on the other. (author)

  3. Sustainable Urban Regeneration Based on Energy Balance

    Directory of Open Access Journals (Sweden)

    Sacha Silvester

    2012-07-01

    Full Text Available In this paper, results are reported of a technology assessment of the use and integration of decentralized energy systems and storage devices in an urban renewal area. First the general context of a different approach based on 'rethinking' and the incorporation of ongoing integration of coming economical and environmental interests on infrastructure, in relation to the sustainable urban development and regeneration from the perspective of the tripod people, technology and design is elaborated. However, this is at different scales, starting mainly from the perspective of the urban dynamics. This approach includes a renewed look at the ‘urban metabolism’ and the role of environmental technology, urban ecology and environment behavior focus. Second, the potential benefits of strategic and balanced introduction and use of decentralized devices and electric vehicles (EVs, and attached generation based on renewables are investigated in more detail in the case study of the ‘Merwe-Vierhaven’ area (MW4 in the Rotterdam city port in the Netherlands. In order to optimize the energy balance of this urban renewal area, it is found to be impossible to do this by tuning the energy consumption. It is more effective to change the energy mix and related infrastructures. However, the problem in existing urban areas is that often these areas are restricted to a few energy sources due to lack of available space for integration. Besides this, energy consumption in most cases is relatively concentrated in (existing urban areas. This limits the potential of sustainable urban regeneration based on decentralized systems, because there is no balanced choice regarding the energy mix based on renewables and system optimization. Possible solutions to obtain a balanced energy profile can come from either the choice to not provide all energy locally, or by adding different types of storage devices to the systems. The use of energy balance based on renewables as a

  4. Sustainability of grape-ethanol energy chain

    Directory of Open Access Journals (Sweden)

    G. Riva

    2013-09-01

    Full Text Available The aim of this work is to evaluate the sustainability, in terms of greenhouse gases emission saving, of a new potential bio-ethanol production chain in comparison with the most common ones. The innovation consists of producing bio-ethanol from different types of no-food grapes, while usually bio-ethanol is obtained from matrices taken away from crop for food destination: sugar cane, corn, wheat, sugar beet. In the past, breeding programs were conducted with the aim of improving grapevine characteristics, a large number of hybrid vine varieties were produced and are nowadays present in the CRA-VIT (Viticulture Research Centre Germplasm Collection. Some of them are potentially interesting for bio-energy production because of their high production of sugar, good resistance to diseases, and ability to grow in marginal lands. LCA (Life Cycle Assessment of grape ethanol energy chain was performed following two different methods: (i using the spreadsheet “BioGrace, developed within the “Intelligent Energy Europe” program to support and to ease the RED (Directive 2009/28/EC implementation; (ii using a dedicated LCA software. Emissions were expressed in CO2 equivalent (CO2eq. The results showed that the sustainability limits provided by the normative are respected to this day. On the contrary, from 2017 this production will be sustainable only if the transformation processes will be performed using renewable sources of energy. The comparison with other bioenergy chains points out that the production of ethanol using grapes represents an intermediate situation in terms of general emissions among the different production chains.

  5. Mississippi State University Sustainable Energy Research Center

    Energy Technology Data Exchange (ETDEWEB)

    Steele, W. Glenn [Mississippi State Univ., Mississippi State, MS (United States)

    2014-09-26

    The Sustainable Energy Research Center (SERC) project at Mississippi State University included all phases of biofuel production from feedstock development, to conversion to liquid transportation fuels, to engine testing of the fuels. The feedstocks work focused on non-food based crops and yielded an increased understanding of many significant Southeastern feedstocks. an emphasis was placed on energy grasses that could supplement the primary feedstock, wood. Two energy grasses, giant miscanthus and switchgrass, were developed that had increased yields per acre. Each of these grasses was patented and licensed to companies for commercialization. The fuels work focused on three different technologies that each led to a gasoline, diesel, or jet fuel product. The three technologies were microbial oil, pyrolysis oil, and syngas-to liquid-hydrocarbons

  6. 4th international conference in sustainability in energy and buildings

    CERN Document Server

    Höjer, Mattias; Howlett, Robert; Jain, Lakhmi

    2013-01-01

    This volume contains the proceedings of the Fourth International Conference on Sustainability in Energy and Buildings, SEB12, held in Stockholm, Sweden, and is organised by KTH Royal Institute of Technology, Stockholm, Sweden in partnership with KES International. The International Conference on Sustainability in Energy and Buildings focuses on a broad range of topics relating to sustainability in buildings but also encompassing energy sustainability more widely. Following the success of earlier events in the series, the 2012 conference includes the themes Sustainability, Energy, and Buildings and Information and Communication Technology, ICT. The SEB’12 proceedings includes invited participation and paper submissions across a broad range of renewable energy and sustainability-related topics relevant to the main theme of Sustainability in Energy and Buildings. Applicable areas include technology for renewable energy and sustainability in the built environment, optimisation and modeling techniques, informati...

  7. Like Portfolios for Assessment (Middle School).

    Science.gov (United States)

    Katz, Claudia Anne; Johnson-Kuby, Sue Ann

    1996-01-01

    Describes 10 variations on the portfolio for assessment: literacy portfolio, reflection portfolio, "reflection the beauty" portfolio, process portfolio, student portfolio, reading portfolio, featherweight portfolio, showcase portfolio, exit portfolio, and literacy portfolio revisited. Accompanies each one with a "recipe." (SR)

  8. Operational energy capability portfolio analysis for protection of maritime forces against small boat swarms

    OpenAIRE

    Cheang, Whye Kin Melvin

    2016-01-01

    Approved for public release; distribution is unlimited This research examines the requirements of a capability portfolio for protecting a maritime force against a conventional small boat swarm attack. It provides decision makers with insights gleaned from exploring the trade space between weapon consumption, fuel consumption, and cost against the need to protect the force. Such an attack can deplete a force's resources and create risk to overall mission accomplishment. In this research, th...

  9. Sustainability reporting in the energy sector

    Directory of Open Access Journals (Sweden)

    Kowal Barbara

    2016-01-01

    Full Text Available Development of the concepts of sustainable development and corporate social responsibility has a great impact on reporting in companies. The increase of their importance has resulted in a need to create a reporting system that would provide information on not only the methods but also the results of implementation of those concepts in companies. Globally, there are many organizations that promote and support companies in the area of integrated reporting. The most popular standard for reporting non-financial data that is used by a number of companies worldwide is the Global Reporting Initiative (GRI Guidelines. The main objective of the GRI is to support the development of sustainable economy in which companies take responsibility for the economic, social, and environmental consequences of their operations, manage that responsibility, and report all their actions. An example of a sector where the concept of sustainable development and its transparent reporting has an impact on the formation of values is the energy sector, which creates value for stakeholders and, together with the financial sector, has the greatest impact on national economies.

  10. Education in Sustainable Energy by European Projects

    Science.gov (United States)

    Stanescu, Corina; Stefureac, Crina

    2010-05-01

    Our schools have been involved in several European projects having with the primary objective of educating the young generation to find ways for saving energy and for using the renewable energy. Small changes in our behaviour can lead to significant energy savings and a major reduction in emissions. In our presentation we will refer to three of them: - The Comenius 1 project "Energy in the Consumers' Hands" tried to improve the quality of education for democratic citizenship in all participant schools by creating a model of curricula concerning the integrative teaching of democratic citizenship using the topic approaches based on key concept - energy as important element of the community welfare. The students studied on the following topics: • Sources of energy • The clean use of fossil based resources; • The rational use of energyEnergy and the environment - The project "Solar Schools Forum" (SSF) focuses on environmental education in schools, in particular addressing the topics of Renewable Energy (RE) and Energy Efficiency (EE). The youth need to become more aware of energy-related problems, and how they can change their own lifestyles to limit environmental damage caused by the daily use of energy. As the decision-makers of tomorrow we need to empower them to make the right choices. The SSF is aimed at improving knowledge about RE and EE among children and young people, using a fun approach and aimed at generating greater enthusiasm for clean energy. The youth will also be encouraged to help raise awareness and so act as multipliers in their own communities, starting with their families and friends. As a result of this project we involved in developing and implementing an optional course for high school students within the Solar Schools Forum project. The optional course entitled "Sustainable energy and the environment" had a great deal of success, proof of this success being the fact that it is still taught even today, three years after its

  11. Portfolio Assessment.

    Science.gov (United States)

    Dagavarian, Debra A.

    The portfolio assessment process at Thomas A. Edison State College is described in this report. Through portfolio assessment, the school helps students identify and gain credit for college-level skills and knowledge acquired through work, volunteer activities, independent reading, military or corporate training, and life experiences that may be…

  12. Teaching Portfolio

    DEFF Research Database (Denmark)

    Pedersen, Christian Fischer

    The present teaching portfolio has been submitted for evaluation in partial fulfillment of the requirements of the teacher training programme for Assistant Professors at Department of Engineering, Aarhus University, Denmark.......The present teaching portfolio has been submitted for evaluation in partial fulfillment of the requirements of the teacher training programme for Assistant Professors at Department of Engineering, Aarhus University, Denmark....

  13. Academic Training: Toward Sustainable Energy Systems?

    CERN Multimedia

    Françoise Benz

    2006-01-01

    ACADEMIC TRAINING LECTURE SERIES 28, 29, 30, 31 March from 11:00 to 12:00 - Main Auditorium, bldg. 500 Toward Sustainable Energy Systems? F. Tellez / CIEMAT, Madrid, E and D.Martinez / CIEMAT-PSA, Almeria, E Recent work on alternative energies go in the direction of proving the feasibility of solar energy as one of the best alternatives into the future. Europe, as everybody else, has understandably vested interests in insourcing energetic demands as far as affordable. The good news is that solar energy may be its deciding straw, because it has remarkable facilities and projects probing the possibilities of this option. Two european research centers are at the leading edge in this area: ENEA, which is leading 'Archimede', a vast solar array project in Sicily, and CIEMAT, with its Plataforma Solar de Almeria (PSA, www.psa.es), a major solar energy facility at the south of Spain. Both will become basic poles of the planned 'EURO-MED'electricity interconnection, intending to carry solar electricity fro...

  14. Academic Training: Toward Sustainable Energy Systems?

    CERN Document Server

    Françoise Benz

    2006-01-01

    ACADEMIC TRAINING LECTURE SERIES 28, 29, 30, 31 March from 11:00 to 12:00 - Main Auditorium, bldg. 500 Toward Sustainable Energy Systems? F. Tellez / CIEMAT, Madrid, E and D.Martinez / CIEMAT-PSA, Almeria, E Recent work on alternative energies go in the direction of proving the feasibility of solar energy as one of the best alternatives into the future. Europe, as everybody else, has understandably vested interests in insourcing energetic demands as far as affordable. The good news is that solar energy may be its deciding straw, because it has remarkable facilities and projects probing the possibilities of this option. Two european research centers are at the leading edge in this area: ENEA, which is leading 'Archimede', a vast solar array project in Sicily, and CIEMAT, with its Plataforma Solar de Almeria (PSA, www.psa.es) ,a major solar energy facility at the south of Spain. Both will become basic poles of the planned 'EURO-MED' electricity interconnection, intending to carry solar electricity f...

  15. Application of sustainable energy on the island of Bonaire. Phase 1. Inventory of sustainable energy options

    Energy Technology Data Exchange (ETDEWEB)

    Weeda, M.; Dinkelbach, L.; Van Dijk, A.L.; Ligthart, F.A.T.M.; Pierik, J.T.G. [ECN Clean Fossil Fuels, Petten (Netherlands); Jochems, A.; Versteeg, A.J. [Profin, Amersfoort (Netherlands)

    2000-12-01

    The Government of Bonaire has defined a policy which aims for a sustainable economical development of the island. Part of this policy is to amplify the ecological appearance of the island in order to create new impulses for eco-tourism. Within this framework the water and energy company of Bonaire (WEB Bonaire) is being asked to investigate the possibilities for production of energy in a more sustainable way than the present situation. At present the energy supply of the island is fully provided by diesel fuel engine driven generator sets. An additional advantage of a more sustainable energy supply system will be that the economy of Bonaire becomes less dependent on fluctuating world market fuel prices. Energy efficient alternatives for conventional energy services usually appear to be most cost effective to save energy and reduce fossil fuel use. Although the application of energy saving options is not the primary responsibility of WEB, but more of the local authorities and individual consumers, certain areas for energy savings are addressed in the study. Interesting areas for energy saving will be 'lighting' and 'cooling'. Other areas may be 'use of water' and 'household appliances'. The inventory and assessment of renewable energy option indicates that the feasibility of a number of options are doubtful for various reasons. Options, which are part of this category, are the use of landfill gas and biogas, combustion, gasification and pyrolysis of biomass/waste, OTEC, a wave energy based power station and solar thermal based power stations, viz. parabolic trough, power tower and solar dish/engine. From the scarce data available, no clear picture arises for the solar pond. Useful options appear to be wind turbines, solar photovoltaic systems and (small-scale) solar thermal collectors. The results of the current inventory suggest that further investigations and activities with regard to the transition of the Bonaire energy

  16. Charging a renewable future: The impact of electric vehicle charging intelligence on energy storage requirements to meet renewable portfolio standards

    Science.gov (United States)

    Forrest, Kate E.; Tarroja, Brian; Zhang, Li; Shaffer, Brendan; Samuelsen, Scott

    2016-12-01

    Increased usage of renewable energy resources is key for energy system evolution to address environmental concerns. Capturing variable renewable power requires the use of energy storage to shift generation and load demand. The integration of plug-in electric vehicles, however, impacts the load demand profile and therefore the capacity of energy storage required to meet renewable utilization targets. This study examines how the intelligence of plug-in electric vehicle (PEV) integration impacts the required capacity of energy storage systems to meet renewable utilization targets for a large-scale energy system, using California as an example for meeting a 50% and 80% renewable portfolio standard (RPS) in 2030 and 2050. For an 80% RPS in 2050, immediate charging of PEVs requires the installation of an aggregate energy storage system with a power capacity of 60% of the installed renewable capacity and an energy capacity of 2.3% of annual renewable generation. With smart charging of PEVs, required power capacity drops to 16% and required energy capacity drops to 0.6%, and with vehicle-to-grid (V2G) charging, non-vehicle energy storage systems are no longer required. Overall, this study highlights the importance of intelligent PEV charging for minimizing the scale of infrastructure required to meet renewable utilization targets.

  17. Towards a sustainable energy?; Vers une energie durable?

    Energy Technology Data Exchange (ETDEWEB)

    Clement, D. [Agence de l' Environnement et de la Maitrise de l' Energie, ADEME, 75 - Paris (France); Papon, P. [Ecole Superieure de Physique et Chimie Industrielles, 75 - Paris (France)

    2010-07-01

    Energy is in the center of the geo-political, economical, environmental, scientifical and technical debates. During the 20. century, the worldwide consumption has been multiplied by 10. Such a rise is not sustainable. Together with a better usage of the existing energy sources (nuclear, fossil and renewable) we must take the constraints into consideration (climate, resources exhaustion, economic development, international power conflicts) and prepare the future scientifical, technical and social mutations. In conclusion, several scenarios are presented but which one is to be chosen? (J.S.)

  18. Promoting sustainable energy strategies in Russia

    Energy Technology Data Exchange (ETDEWEB)

    Watson, R.K.

    1995-12-31

    Enormous structural changes are taking place in the economy of Russia. It is important that vital sectors of the economy undergo a smooth transition from a centrally-planned paradigm to a more market-oriented structure. Introducing market-oriented-institutional structures and energy planning approaches to Russian utilities can facilitate the transition to the market and allow them to become vehicles for change rather than mere witnesses. As real electricity prices increase relative to other prices, a significant industrial restructuring can be expected, with an accompanying reduction of energy consumption. By developing programs to help industry become more energy-efficiency, the electricity sector can play a central role in Russia`s economic recovery. A robust energy sector will be in a much better position to lead other sectors of the economy toward market-oriented solutions to the present economic crisis. Because of the magnitude of the task of recreating an economy for one of the world`s superpowers, institutional restructuring should take place incrementally. The transition of US utilities from a {open_quotes}build-and-grow{close_quotes} paradigm to one of Integrated Resource Planning (IRP) and subsequently to a hybrid of competition and IRP began and is continuing on the state and regional level. Local success stories on the West Coast and New England persuaded other states to adopt these methods. This strategy could also prove to be very effective in regions of Russia that are served by integrated electricity grids, such as the South Russia Power pool (Yuzhenergo) that serves the North Caucasus region. As the Russian energy system currently undergoes change, simultaneously privatizing and restructuring, these issues will be largely decided within the next two years. One of the greatest challenges involves implementing an environmentally sustainable strategy which ensures that energy efficiency and renewable energy are incorporated into the new structure.

  19. EU - India Sustainable Energy Efficiency Initiative

    Energy Technology Data Exchange (ETDEWEB)

    Agster, Rainer; Henzler, Mikael P. (Adelphi Research GmbH, Berlin (Germany)); Asthana, Arvind (Bureau of Energy, Efficiency/GTZ-Indo-German Energy Programme (India))

    2009-07-01

    Between 2006-2008 the EU India Sustainable Energy Initiative (EISEEI) has supported marketing, implementation and enforcement of the Indian Energy Conservation Act, which came into force in 2002 - on state and local level. Market oriented five-year action plans were prepared, which are implemented by State Designated Agencies (SDA) in charge of energy efficiency measures in their respective states. Each Energy Conservation (EC) action plan states the foreseen activities for the next five years as well as general policies, a mission, and a vision relating to energy efficiency. The EISEEI project activities focused on facilitating a moderated dialogue between India and Europe as well as among the SDAs in order to support the preparation of action plans and operational plans. Furthermore, domestic and overseas trainings for SDA staff and the know-how exchange between policy makers, opinion leaders and professionals in these areas were facilitated. During the duration of the project the Indian Ministry of Power decided to apply the same methodology for 24 more SDAs to cover all Indian states. While the initial 6 pilot states were supported with EU and German development aid funds, the enlargement was 100% financed by the Indian government. The paper will highlight the efforts and results of mainstreaming energy efficiency at various consumer levels (from industry to households) in India. The paper will encompass also the involvement of various agencies and institutional structures as well as the operational experiences with the implementation of the action plan on energy efficiency in one of the fastest growing economies in the world.

  20. Sustainable Investment. Literature Overview

    Energy Technology Data Exchange (ETDEWEB)

    Weda, J.; Kerste, M.; Rosenboom, N.

    2010-08-15

    Corporate Social Responsibility (CSR), or sustainability at the company level, entails incorporating ecological (environmental stakeholders) and social aspects (stakeholders other than shareholders and environmental stakeholders) when doing business. Socially Responsible Investment (SRI) concerns sustainability at the investment, fund or portfolio level and involves screening the sustainability of companies before investing in them. This report highlights leading literature and empirical findings on 'sustainable investment', amongst others addressing the economic rationale for CSR and SRI. This report is part of a set of SEO-reports on finance and sustainability. The other reports deal with: Financing the Transition to Sustainable Energy; Carbon Trading; Innovations in financing environmental and social sustainability.

  1. Multicriteria diversity analysis. A novel heuristic framework for appraising energy portfolios

    Energy Technology Data Exchange (ETDEWEB)

    Stirling, Andy [SPRU - Science and Technology Policy Research, Freeman Centre, University of Sussex, Sussex BN1 9QE (United Kingdom)

    2010-04-15

    This paper outlines a novel general framework for analysing energy diversity. A critical review of different reasons for policy interest reveals that diversity is more than a supply security strategy. There are particular synergies with strategies for transitions to sustainability. Yet - despite much important work - policy analysis tends to address only a subset of the properties of diversity and remains subject to ambiguity, neglect and special pleading. Developing earlier work, the paper proposes a more comprehensive heuristic framework, accommodating a wide range of different disciplinary and socio-political perspectives. It is argued that the associated multicriteria diversity analysis method provides a more systematic, complete and transparent way to articulate disparate perspectives and approaches and so help to inform more robust and accountable policymaking. (author)

  2. Optimal Dispatch of an Industrial Microgrid with a Mixed Portfolio of Distributed Energy Resources

    DEFF Research Database (Denmark)

    You, Shi; Zong, Yi; Bindner, Henrik W.

    2014-01-01

    Local brownouts are a nuisance and have driven consumers to take greater responsibility for their electricity supply – particularly industries and communities with a critical need for reliable and safe power. By deploying a Microgrid on their own site, the consumers could benefit from having this...... this interoperable grid solution with respect to improved energy efficiency, system reliability and power quality. When the on-site generation is from renewables, external incentives and system sustainability could make the Microgrid solution even more attractive......Local brownouts are a nuisance and have driven consumers to take greater responsibility for their electricity supply – particularly industries and communities with a critical need for reliable and safe power. By deploying a Microgrid on their own site, the consumers could benefit from having...

  3. Adoption of bioenergy technologies for a sustainable energy system

    OpenAIRE

    Bjørnstad, Even

    2011-01-01

    A future sustainable energy system must achieve great improvements in energy efficiency and the energy supply must be based on renewable energy sources. Bioenergy will be an important part of this system. Changing from the current fossil-dependent energy system to a truly sustainable energy system will require fundamental changes in basic structures of society, in the technologies we utilize in the living of our lives and in the way we as citizens and consumers behave relative to energy use. ...

  4. Current energy usage and sustainable energy in Kazakhstan: A review

    Science.gov (United States)

    Karatayev, Marat; Islam, Tofazzal; Salnikov, Vitaliy

    2014-05-01

    energy resources such as wind, solar, small hydro and biomass as alternative energy supplies in this country. Our analysis shows that wind and solar energy can become major contributors towards renewable energy in Kazakhstan. The biomass of agricultural residues, municipal solid waste and wood residues could be used for energy purposes too. Therefore, Kazakhstan should optimize energy consumption and take active and effective measures to increase the contribution of renewables in energy supply to make the country's energy mix environmentally sustainable.

  5. Sustainable Energy - Without the hot air

    Science.gov (United States)

    MacIsaac, Dan

    2009-11-01

    Reader John Roeder writes about a website associated with David MacKay's book Sustainable Energy-Without the hot air. The book is a freely downloadable PDF (or purchasable) book describing an analysis detailing a low-carbon renewable energy transformation route for a large, modern first world industrial country (the United Kingdom). Written for the layman, the work uses vernacular language, e.g., energy consumption and production in a series of bar charts detailing the impacts of necessary strategies such as population reduction, lifestyle changes, and technology changes. MacKay notes that most reasonable plans have large nuclear and ``clean coal'' or other carbon capture components, lots of pumped heat, wind, and much efficiency improvement. He debunks some sacred cows (roof-mounted micro-turbines; hydrogen-powered cars) while pointing out simple effective technologies such as roof-mounted solar water heaters. Similar modest changes in the U.S. (painting roofs white in the southern half of the country) have strong impacts. MacKay claims that he ``doesn't advocate any particular plan or technology,'' but ``tells you how many bricks are in the lego box, and how big each brick is'' so readers can start making planning decisions.

  6. Reactor and process design in sustainable energy technology

    CERN Document Server

    Shi, Fan

    2014-01-01

    Reactor Process Design in Sustainable Energy Technology compiles and explains current developments in reactor and process design in sustainable energy technologies, including optimization and scale-up methodologies and numerical methods. Sustainable energy technologies that require more efficient means of converting and utilizing energy can help provide for burgeoning global energy demand while reducing anthropogenic carbon dioxide emissions associated with energy production. The book, contributed by an international team of academic and industry experts in the field, brings numerous reactor design cases to readers based on their valuable experience from lab R&D scale to industry levels. It is the first to emphasize reactor engineering in sustainable energy technology discussing design. It provides comprehensive tools and information to help engineers and energy professionals learn, design, and specify chemical reactors and processes confidently. Emphasis on reactor engineering in sustainable energy techn...

  7. Understanding the human dimensions of a sustainable energy transition

    NARCIS (Netherlands)

    Steg, Linda; Perlaviciute, Goda; van der Werff, Ellen

    2015-01-01

    Global climate change threatens the health, economic prospects, and basic food and water sources of people. A wide range of changes in household energy behavior is needed to realize a sustainable energy transition. We propose a general framework to understand and encourage sustainable energy

  8. Understanding the human dimensions of a sustainable energy transition

    Science.gov (United States)

    Steg, Linda; Perlaviciute, Goda; van der Werff, Ellen

    2015-01-01

    Global climate change threatens the health, economic prospects, and basic food and water sources of people. A wide range of changes in household energy behavior is needed to realize a sustainable energy transition. We propose a general framework to understand and encourage sustainable energy behaviors, comprising four key issues. First, we need to identify which behaviors need to be changed. A sustainable energy transition involves changes in a wide range of energy behaviors, including the adoption of sustainable energy sources and energy-efficient technology, investments in energy efficiency measures in buildings, and changes in direct and indirect energy use behavior. Second, we need to understand which factors underlie these different types of sustainable energy behaviors. We discuss three main factors that influence sustainable energy behaviors: knowledge, motivations, and contextual factors. Third, we need to test the effects of interventions aimed to promote sustainable energy behaviors. Interventions can be aimed at changing the actual costs and benefits of behavior, or at changing people’s perceptions and evaluations of different costs and benefits of behavioral options. Fourth, it is important to understand which factors affect the acceptability of energy policies and energy systems changes. We discuss important findings from psychological studies on these four topics, and propose a research agenda to further explore these topics. We emphasize the need of an integrated approach in studying the human dimensions of a sustainable energy transition that increases our understanding of which general factors affect a wide range of energy behaviors as well as the acceptability of different energy policies and energy system changes. PMID:26136705

  9. Renewability and sustainability aspects of nuclear energy

    Science.gov (United States)

    Şahin, Sümer

    2014-09-01

    Renewability and sustainability aspects of nuclear energy have been presented on the basis of two different technologies: (1) Conventional nuclear technology; CANDU reactors. (2) Emerging nuclear technology; fusion/fission (hybrid) reactors. Reactor grade (RG) plutonium, 233U fuels and heavy water moderator have given a good combination with respect to neutron economy so that mixed fuel made of (ThO2/RG-PuO2) or (ThC/RG-PuC) has lead to very high burn up grades. Five different mixed fuel have been selected for CANDU reactors composed of 4 % RG-PuO2 + 96 % ThO2; 6 % RG-PuO2 + 94 % ThO2; 10 % RG-PuO2 + 90 % ThO2; 20 % RG-PuO2 + 80 % ThO2; 30 % RG-PuO2 + 70 % ThO2, uniformly taken in each fuel rod in a fuel channel. Corresponding operation lifetimes have been found as ˜ 0.65, 1.1, 1.9, 3.5, and 4.8 years and with burn ups of ˜ 30 000, 60 000, 100 000, 200 000 and 290 000 MW.d/ton, respectively. Increase of RG-PuO2 fraction in radial direction for the purpose of power flattening in the CANDU fuel bundle has driven the burn up grade to 580 000 MW.d/ton level. A laser fusion driver power of 500 MWth has been investigated to burn the minor actinides (MA) out of the nuclear waste of LWRs. MA have been homogenously dispersed as carbide fuel in form of TRISO particles with volume fractions of 0, 2, 3, 4 and 5 % in the Flibe coolant zone in the blanket surrounding the fusion chamber. Tritium breeding for a continuous operation of the fusion reactor is calculated as TBR = 1.134, 1.286, 1.387, 1.52 and 1.67, respectively. Fission reactions in the MA fuel under high energetic fusion neutrons have lead to the multiplication of the fusion energy by a factor of M = 3.3, 4.6, 6.15 and 8.1 with 2, 3, 4 and 5 % TRISO volume fraction at start up, respectively. Alternatively with thorium, the same fusion driver would produce ˜160 kg 233U per year in addition to fission energy production in situ, multiplying the fusion energy by a factor of ˜1.3.

  10. Sustainable energy successes in Central and Eastern Europe

    Energy Technology Data Exchange (ETDEWEB)

    Olesen, G.B.; Oesterfelt, P. [eds.

    1998-12-31

    The publication describes more than 20 `good practices` in energy conservation in Central and Eastern Europe: successful campaigns and projects for increased energy efficiency and renewable energy. The cases are collected mainly by NGO-organisations in INFORSE (International Network for Sustainable Energy) - Europe as part of their contributions to the ECO-Forum Energy and Climate Group. (LN)

  11. Financing the Transition to Sustainable Energy. Literature Overview

    Energy Technology Data Exchange (ETDEWEB)

    Kerste, M.; Weda, J.

    2010-12-15

    Investment in sustainable energy is essential in view of economic and population growth, climate change as well as energy security, but face specific risks and inconclusive financial attractiveness. It is generally acknowledged that the currently foreseen level of funding is too low compared to the required investments. This report highlights leading literature and empirical findings on financing of the transition to sustainable energy, amongst others addressing the business case for sustainable energy investments, the underlying reasons for the current low level of funding and ways to improve this. This report is part of a set of SEO-reports on finance and sustainability. The other reports deal with: Carbon Trading; Innovations in financing environmental and social sustainability; and Sustainable investment.

  12. Sustainable development of energy, water and environment systems

    DEFF Research Database (Denmark)

    Duić, Neven; Guzović, Zvonimir; Kafarov, Vyatcheslav

    2013-01-01

    The 6th Dubrovnik Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES Conference), attended by 418 scientists from 55 countries representing six continents. It was held in 2011 and dedicated to the improvement and dissemination of knowledge on methods, policies...... and technologies for increasing the sustainability of development, taking into account its economic, environmental and social pillars, as well as methods for assessing and measuring sustainability of development, regarding energy, transport, water and environment systems and their many combinations....

  13. Wood Energy Production, Sustainable Farming Livelihood and Multifunctionality in Finland

    Science.gov (United States)

    Huttunen, Suvi

    2012-01-01

    Climate change and the projected depletion of fossil energy resources pose multiple global challenges. Innovative technologies offer interesting possibilities to achieve more sustainable outcomes in the energy production sector. Local, decentralized alternatives have the potential to sustain livelihoods in rural areas. One example of such a…

  14. Sustainable Performance in Energy Harvesting - Wireless Sensor Networks

    DEFF Research Database (Denmark)

    Fafoutis, Xenofon; Di Mauro, Alessio; Dragoni, Nicola

    2013-01-01

    In this practical demo we illustrate the concept of "sustainable performance" in Energy-Harvesting Wireless Sensor Networks (EH-WSNs). In particular, for different classes of applications and under several energy harvesting scenarios, we show how it is possible to have sustainable performance when...

  15. SUSTAINABLE ENERGY POLICY INTEGRATED ASSESSMENT “SEPIA” - Final Report

    OpenAIRE

    LAES, Eric; COUDER, Johan; VERBRUGGEN, Aviel; EGGERMONT, Gilbert; HUGE, Jean; MAES, Fré; MESKENS, Gaston; RUAN, Da; SCHROEDER, Jantine; Jacquemain, Marc; Italiano, Patrick

    2011-01-01

    The report summarizes a 3 years research program aimed at developping long term sustainable scenarios for Belgian the energy system. The research included expert participation, stakeholders assessment, quantitative modelling and fuzzy-logic analysis of the assessments. It produced three scenarios for a sustainable energy system in Belgium 2050.

  16. Mitigation/Adaptation: landscape architecture meets sustainable energy transition

    NARCIS (Netherlands)

    Stremke, S.

    2009-01-01

    Mitigation of climate change and adaptation to renewable energy sources are among the emerging fields of activity in landscape architecture. If landscape architects recognize the need for sustainable development on the basis of renewable energy sources, then how can we contribute to sustainable and

  17. Center for Efficiency in Sustainable Energy Systems

    Energy Technology Data Exchange (ETDEWEB)

    Abraham, Martin [Youngstown State Univ., OH (United States)

    2016-01-31

    The main goal of the Center for Efficiency in Sustainable Energy Systems is to produce a methodology that evaluates a variety of energy systems. Task I. Improved Energy Efficiency for Industrial Processes: This task, completed in partnership with area manufacturers, analyzes the operation of complex manufacturing facilities to provide flexibilities that allow them to improve active-mode power efficiency, lower standby-mode power consumption, and use low cost energy resources to control energy costs in meeting their economic incentives; (2) Identify devices for the efficient transformation of instantaneous or continuous power to different devices and sections of industrial plants; and (3) use these manufacturing sites to demonstrate and validate general principles of power management. Task II. Analysis of a solid oxide fuel cell operating on landfill gas: This task consists of: (1) analysis of a typical landfill gas; (2) establishment of a comprehensive design of the fuel cell system (including the SOFC stack and BOP), including durability analysis; (3) development of suitable reforming methods and catalysts that are tailored to the specific SOFC system concept; and (4) SOFC stack fabrication with testing to demonstrate the salient operational characteristics of the stack, including an analysis of the overall energy conversion efficiency of the system. Task III. Demonstration of an urban wind turbine system: This task consists of (1) design and construction of two side-by-side wind turbine systems on the YSU campus, integrated through power control systems with grid power; (2) preliminary testing of aerodynamic control effectors (provided by a small business partner) to demonstrate improved power control, and evaluation of the system performance, including economic estimates of viability in an urban environment; and (3) computational analysis of the wind turbine system as an enabling activity for development of smart rotor blades that contain integrated sensor

  18. The United Nations development programme initiative for sustainable energy

    Energy Technology Data Exchange (ETDEWEB)

    Hurry, S.

    1997-12-01

    Energy is central to current concerns about sustainable human development, affecting economic and social development; economic growth, the local, national, regional, and global environment; the global climate; a host of social concerns, including poverty, population, and health, the balance of payments, and the prospects for peace. Energy is not an end in itself, but rather the means to achieve the goals of sustainable human development. The energy systems of most developing countries are in serious crisis involving insufficient levels of energy services, environmental degradation, inequity, poor technical and financial performance, and capital scarcity. Approximately 2.5 billion people in the developing countries have little access to commercial energy supplies. Yet the global demand for energy continues to grow: total primary energy is projected to grow from 378 exajoules (EJ) per year in 1990 to 571 EJ in 2020, and 832 EJ in 2050. If this increase occurs using conventional approaches and energy sources, already serious local (e.g., indoor and urban air pollution), regional (eg., acidification and land degradation), and global (e.g., climate change) environmental problems will be critically aggravated. There is likely to be inadequate capital available for the needed investments in conventional energy sources. Current approaches to energy are thus not sustainable and will, in fact, make energy a barrier to socio-economic development. What is needed now is a new approach in which energy becomes an instrument for sustainable development. The two major components of a sustainable energy strategy are (1) more efficient energy use, especially at the point of end-use, and (2) increased use of renewable sources of energy. The UNDP Initiative for Sustainable Energy (UNISE) is designed to harness opportunities in these areas to build upon UNDP`s existing energy activities to help move the world toward a more sustainable energy strategy by helping program countries.

  19. Applying Portfolio Theory to EU Electricity Planning and Policy-Making

    Energy Technology Data Exchange (ETDEWEB)

    Awerbuch, Shimon; Berger, Martin

    2003-02-01

    This study introduces mean-variance portfolio theory and evaluates its potential application to the development of efficient (optimal) European Union (EU-15) generating portfolios that enhance energy security and diversification objectives. The analysis extends to European countries the previous work done by Awerbuch in the US, and applies a significantly more detailed portfolio model that reflects the risk of the relevant generating cost streams: fuel, operation and maintenance and construction period costs. It illustrates the portfolio effects of different generating mixes. The study offers preliminary findings on the effects of including more renewable energy sources in the typical EU portfolio mix and suggests interesting directions for further study. The study arises from the perception that these standard, finance-oriented analyses may offer valuable enhancements to energy planning, and concepts of energy security and diversity. Clearly the combination of better portfolio construction and more accurate pricing should lead to more optimal decisions in the round. This study, therefore, represents an effort to complement traditional approaches and point researchers and planners into new territory. The results generally indicate that the existing and projected EU generating mixes are sub optimal - though slightly - from a risk-return perspective, which implies that feasible portfolios with lower cost and risk exist. These can be developed by adjusting the conventional mix and by including larger shares of wind or similar renewable technologies. The results of the portfolio analysis suggest that fixed cost technologies such as renewables must be a part of any efficient generating portfolio. Our assessment of all technologies is limited to risk and cost measures, although other benefits, including low externality costs and sustainability, are often cited for renewables.

  20. Sustainable Development of Sewage Sludge-to-Energy in China

    DEFF Research Database (Denmark)

    Ren, Jingzheng; Liang, Hanwei; Dong, Liang

    2017-01-01

    proposed. After the grey DEMATEL analysis, a grey Multi-Criteria Decision Making (MCDM) framework which allows multiple decision-makers/stakeholders to use linguistic terms to participate in the decision-making for prioritizing the alternative technologies for sludge-to-energy was developed......In order to promote the sustainable development of sludge-to-energy industry and help the decision-makers/stakeholders to select the most sustainable technology for achieving the sludge-to-energy target, this study aims at using grey Decision Making Trial and Evaluation Laboratory (DEMATEL...... is feasible for group decision-making and sustainability assessment of the alternative technologies for sludge-to-energy....

  1. The power of design product innovation in sustainable energy technologies

    CERN Document Server

    Reinders, Angele H; Brezet, Han

    2012-01-01

    The Power of Design offers an introduction and a practical guide to product innovation, integrating the key topics that are necessary for the design of sustainable and energy-efficient products using sustainable energy technologies. Product innovation in sustainable energy technologies is an interdisciplinary field. In response to its growing importance and the need for an integrated view on the development of solutions, this text addresses the functional principles of various energy technologies next to the latest design processes and innovation methods. From the perspec

  2. -5/3 Kolmogorov Turbulent Behaviour and Intermittent Sustainable Energies

    Science.gov (United States)

    Calif, Rudy; Schmitt, François G.; Medina, O. Durán

    2016-12-01

    he massive integration of sustainable energies into electrical grids (non-interconnected or connected) is a major problem due to their stochastic character revealed by strong fluctuations at all scales. In this paper, the scaling behaviour or power law correlations and the nature of scaling behaviour of sustainable resource data such as flow velocity, atmospheric wind speed, solar global solar radiation and sustainable energy such as, wind power output, are highlighted. For the first time, Fourier power spectral densities are estimated for each dataset. We show that the power spectrum densities obtained are close to the 5/3 Kolmogorov spectrum. Furthermore, the multifractal and intermittent properties of sustainable resource and energy data have been revealed by the concavity of the scaling exponent function. The proposed analysis frame allows a full description of fluctuations of processes considered. A good knowledge of the dynamic of fluctuations is crucial to manageme! nt of the integration of sustainable energies into a grid.

  3. 5/3 Kolmogorov Turbulent Behaviour and Intermittent Sustainable Energies

    Science.gov (United States)

    Calif, Rudy; Schmitt, François G.; Medina, O. Durán

    2016-12-01

    The massive integration of sustainable energies into electrical grids (non-interconnected or connected) is a major problem due to their stochastic character revealed by strong fluctuations at all scales. In this paper, the scaling behaviour or power law correlations and the nature of scaling behaviour of sustainable resource data such as flow velocity, atmospheric wind speed, solar global solar radiation and sustainable energy such as, wind power output, are highlighted. For the first time, Fourier power spectral densities are estimated for each dataset. We show that the power spectrum densities obtained are close to the 5/3 Kolmogorov spectrum. Furthermore, the multifractal and intermittent properties of sustainable resource and energy data have been revealed by the concavity of the scaling exponent function. The proposed analysis frame allows a full description of fluctuations of processes considered. A good knowledge of the dynamic of fluctuations is crucial to management of the integration of sustainable energies into a grid.

  4. Opportunity knocks - the sustainable energy industry and climate change

    Energy Technology Data Exchange (ETDEWEB)

    Price, B.; Keegan, P. [International Institute for Energy Conservation, Washington, DC (United States)

    1997-12-31

    Climate change mitigation, if intelligently undertaken, can stimulate economic growth. The main tools available for this task are energy efficiency, renewable energy, and clean energy technologies and services, which are collectively known as sustainable energy. To unleash this potential, the US and other governments need the full cooperation of the sustainable energy industry. This industry knows more than most other about turning energy-related pollution prevention into profits. If engaged, they can help: (1) Identify the economic benefits of greenhouse gas mitigation; (2) Identify barriers to the implementation of greenhouse gas mitigation projects; (3) Develop policies and measures to overcome these barriers; and (4) Implement greenhouse gas mitigation projects. 7 refs.

  5. Energy sustainability of Microbial Fuel Cell (MFC): A case study

    Science.gov (United States)

    Tommasi, Tonia; Lombardelli, Giorgia

    2017-07-01

    Energy sustainability analysis and durability of Microbial Fuel Cells (MFCs) as energy source are necessary in order to move from the laboratory scale to full-scale application. This paper focus on these two aspects by considering the energy performances of an original experimental test with MFC conducted for six months under an external load of 1000 Ω. Energy sustainability is quantified using Energy Payback Time, the time necessary to produce the energy already spent to construct the MFC device. The results of experiment reveal that the energy sustainability of this specific MFC is never reached due to energy expenditure (i.e. for pumping) and to the low amount of energy produced. Hence, different MFC materials and architectures were analysed to find guidelines for future MFC development. Among these, only sedimentary fuel cells (Benthic MFCs) seem sustainable from an energetic point of view, with a minimum duration of 2.7 years. An energy balance approach highlights the importance of energy calculation. However, this is very often not taken into account in literature. This study outlines promising methodology for the design of an alternative layout of energy sustainable MFC and wastewater management systems.

  6. Customer portfolios

    DEFF Research Database (Denmark)

    Clarke, Ann Højbjerg; Freytag, Per Vagn; Zolkiewski, Judith

    2017-01-01

    gives managers a tool to help to cope with the dynamic aspects of the customer portfolio. Recognition of the importance of communication to the process, the development of trust and the role of legitimacy also provides areas that managers can focus upon in their relationship management processes...

  7. Troubleshooting Portfolios

    Science.gov (United States)

    Crismond, David; Peterie, Matthew

    2017-01-01

    The Troubleshooting Portfolios approach was developed at the Olathe Northwest High School in Olathe, Kansas. This approach supports integrated STEM and "informed design" thinking and learning, in which students: (1) use design strategies effectively; (2) work creatively and collaboratively in teams; (3) make knowledge-driven decisions;…

  8. Local government delivers sustainability - near zero energy buildings and waste energy makes the city of Lund sustainable

    Energy Technology Data Exchange (ETDEWEB)

    Persson, Agneta (WSP Sverige AB, Stockholm (Sweden)); Larsson, Ola (WSP Environmental, Stockholm (Sweden)); Didriksson, Mats (Lunds Energikoncernen AB (Sweden))

    2011-07-01

    One of Europe's most advanced and exciting scientific projects, the European Spallation Source (ESS), will be built outside Lund in Sweden. A new city district called Brunnshoeg will be developed in the area surrounding the new science park. The vision for this new city district, with more than 10,000 inhabitants and 15,000 work spaces, is outstanding sustainable city development from ecological, economical as well as social perspectives. Sustainable energy solutions are necessary to achieve this goal. A low energy end use combined with renewable energy sources will lead to a sustainable energy system. ESS will generate a substantial amount of waste heat, estimates point at 240 GWh/year. This waste heat can be used for district heating, sorptive cooling, appliances and electricity production. The local energy utility (Lunds Energi) aims to be a driving force towards sustainability. Their efforts to create sustainable solutions for Brunnshoeg started with an analysis of 3 different scenarios of the new city district's energy demand. These scenarios include levels from medium to very high ambitions. This analysis was followed by an analysis of possible renewable energy scenarios. This included not only waste heat from ESS and a new bio fuelled CHP plant, but also small and large scale wind power, solar energy (thermal and photovoltaic), small scale biogas production and geothermal energy for storing waste heat from ESS and creating free cooling. Different measures to further decrease energy use, both end use and primary energy, and reduce the carbon footprint have also been analysed. Sustainable energy systems also need to take dynamics of consumption and lifestyle measures into consideration. Active cooperation between different actor categories is essential for a sustainable society. This paper describes how Lunds Energi combines all above mentioned options in their effort to create the most sustainable solution for Brunnshoeg, the city of Lund and the

  9. Efficiency of Energy Consumption as a Base for Sustainable Energy Sector

    OpenAIRE

    Anicetas Ignotas; Viktorija Stasytytė

    2016-01-01

    Lithuania, as many other EU countries, encounters key challenges in three energy sector fields: energy independence, energy sector competitiveness and sustainable energy sector development. Such situation is determined by historical and political conditions, as well as by limited internal energy resources. In such context an importance of energy consumption efficiency pursuing country energy sector sustainability is highlighted. By implementing the long-term goals and tasks a country may seek...

  10. A Sustainable Energy Laboratory Course for Non-Science Majors

    Science.gov (United States)

    Nathan, Stephen A.; Loxsom, Fred

    2016-10-01

    Sustainable energy is growing in importance as the public becomes more aware of climate change and the need to satisfy our society's energy demands while minimizing environmental impacts. To further this awareness and to better prepare a workforce for "green careers," we developed a sustainable energy laboratory course that is suitable for high school and undergraduate students, especially non-science majors. Thirteen hands-on exercises provide an overview of sustainable energy by demonstrating the basic principles of wind power, photovoltaics, electric cars, lighting, heating/cooling, insulation, electric circuits, and solar collectors. The order of content presentation and instructional level (secondary education or college) can easily be modified to suit instructor needs and/or academic programs (e.g., engineering, physics, renewable and/or sustainable energy).

  11. Towards greener and more sustainable batteries for electrical energy storage

    Science.gov (United States)

    Larcher, D.; Tarascon, J.-M.

    2015-01-01

    Ever-growing energy needs and depleting fossil-fuel resources demand the pursuit of sustainable energy alternatives, including both renewable energy sources and sustainable storage technologies. It is therefore essential to incorporate material abundance, eco-efficient synthetic processes and life-cycle analysis into the design of new electrochemical storage systems. At present, a few existing technologies address these issues, but in each case, fundamental and technological hurdles remain to be overcome. Here we provide an overview of the current state of energy storage from a sustainability perspective. We introduce the notion of sustainability through discussion of the energy and environmental costs of state-of-the-art lithium-ion batteries, considering elemental abundance, toxicity, synthetic methods and scalability. With the same themes in mind, we also highlight current and future electrochemical storage systems beyond lithium-ion batteries. The complexity and importance of recycling battery materials is also discussed.

  12. Towards greener and more sustainable batteries for electrical energy storage.

    Science.gov (United States)

    Larcher, D; Tarascon, J-M

    2015-01-01

    Ever-growing energy needs and depleting fossil-fuel resources demand the pursuit of sustainable energy alternatives, including both renewable energy sources and sustainable storage technologies. It is therefore essential to incorporate material abundance, eco-efficient synthetic processes and life-cycle analysis into the design of new electrochemical storage systems. At present, a few existing technologies address these issues, but in each case, fundamental and technological hurdles remain to be overcome. Here we provide an overview of the current state of energy storage from a sustainability perspective. We introduce the notion of sustainability through discussion of the energy and environmental costs of state-of-the-art lithium-ion batteries, considering elemental abundance, toxicity, synthetic methods and scalability. With the same themes in mind, we also highlight current and future electrochemical storage systems beyond lithium-ion batteries. The complexity and importance of recycling battery materials is also discussed.

  13. Sustainable Development of Energy, Water and Environment Systems

    DEFF Research Database (Denmark)

    Markovska, Natasa; Duić, Neven; Mathiesen, Brian Vad

    2016-01-01

    The Conference on Sustainable Development of Energy, Water and Environment Systems (SDEWES) in 2015 returned to its hometown, Dubrovnik, and once again served as a significant venue for scientists and specialists in different areas of sustainable development from all over the world to initiate...... traditionally cover a range of energy issues - higher renewables penetration and various technologies and fuels assessments at energy supply side, as well as, energy efficiency in various sectors, buildings, district heating, electric vehicles and demand modelling at energy demand side. Also, a review paper...

  14. Sustainability, Ethics and Nuclear Energy: Escaping the Dichotomy

    Directory of Open Access Journals (Sweden)

    Céline Kermisch

    2017-03-01

    Full Text Available In this paper we suggest considering sustainability as a moral framework based on social justice, which can be used to evaluate technological choices. In order to make sustainability applicable to discussions of nuclear energy production and waste management, we focus on three key ethical questions, namely: (i what should be sustained; (ii why should we sustain it; and (iii for whom should we sustain it. This leads us to conceptualize the notion of sustainability as a set of values, including safety, security, environmental benevolence, resource durability, and economic viability of the technology. The practical usefulness of sustainability as a moral framework is highlighted by demonstrating how it is applicable for understanding intergenerational dilemmas—between present and future generations, but also among different future generations—related to nuclear fuel cycles and radioactive waste management.

  15. The role of women in sustainable energy development

    Energy Technology Data Exchange (ETDEWEB)

    Cecelski, E.

    2000-07-13

    This paper explores the question of how sustainable energy development--specifically, decentralized renewable energy technologies--can complement and benefit from the goal of increasing women's role in development. It is based on a paper that was originally presented at the World Renewable Energy Congress-V held in Florence, Italy, in September 1998, as a contribution to the National Renewable Energy Laboratory's program on gender and energy.

  16. Targeted selection of brownfields from portfolios for sustainable regeneration: User experiences from five cases testing the Timbre\

    Czech Academy of Sciences Publication Activity Database

    Bartke, S.; Martinát, Stanislav; Klusáček, Petr; Pizzol, L.; Alexandrescu, F.; Frantál, Bohumil; Critto, A.; Zabeo, A.

    2016-01-01

    Roč. 184, č. 1 (2016), s. 94-107 ISSN 0301-4797 R&D Projects: GA MŠk(CZ) 7E11035 Institutional support: RVO:68145535 Keywords : brownfields * prioritisation * sustainability Subject RIV: DE - Earth Magnetism, Geodesy, Geography Impact factor: 4.010, year: 2016 http://dx.doi.org/10.1016/j.jenvman.2016.07.037

  17. Watershed Scale Optimization to Meet Sustainable Cellulosic Energy Crop Demand

    Energy Technology Data Exchange (ETDEWEB)

    Chaubey, Indrajeet [Purdue Univ., West Lafayette, IN (United States); Cibin, Raj [Purdue Univ., West Lafayette, IN (United States); Bowling, Laura [Purdue Univ., West Lafayette, IN (United States); Brouder, Sylvie [Purdue Univ., West Lafayette, IN (United States); Cherkauer, Keith [Purdue Univ., West Lafayette, IN (United States); Engel, Bernard [Purdue Univ., West Lafayette, IN (United States); Frankenberger, Jane [Purdue Univ., West Lafayette, IN (United States); Goforth, Reuben [Purdue Univ., West Lafayette, IN (United States); Gramig, Benjamin [Purdue Univ., West Lafayette, IN (United States); Volenec, Jeffrey [Purdue Univ., West Lafayette, IN (United States)

    2017-03-24

    The overall goal of this project was to conduct a watershed-scale sustainability assessment of multiple species of energy crops and removal of crop residues within two watersheds (Wildcat Creek, and St. Joseph River) representative of conditions in the Upper Midwest. The sustainability assessment included bioenergy feedstock production impacts on environmental quality, economic costs of production, and ecosystem services.

  18. Sustainability, Ethics and Nuclear Energy : Escaping the Dichotomy

    NARCIS (Netherlands)

    Kermisch, C.F.N.; Taebi, B.

    2017-01-01

    In this paper we suggest considering sustainability as a moral framework based on social justice, which can be used to evaluate technological choices. In order to make sustainability applicable to discussions of nuclear energy production and waste management, we focus on three key ethical questions,

  19. Teaching Energy as Part of Education for Sustainability

    Science.gov (United States)

    Tas, Maarten; McKeon, Frankie; Charnley, Fiona; Fleming, Margaret

    2014-01-01

    This article describes how energy issues and education for sustainable development (ESD) are part of the agenda for two current European projects, CoDeS and SUSTAIN. The latter is mainly concerned with the development of inquiry-based primary and lower secondary science education while the former is a network that aims to learn more about…

  20. Two sustainable energy system analysis models

    DEFF Research Database (Denmark)

    Lund, Henrik; Goran Krajacic, Neven Duic; da Graca Carvalho, Maria

    2005-01-01

    This paper presents a comparative study of two energy system analysis models both designed with the purpose of analysing electricity systems with a substantial share of fluctuating renewable energy....

  1. sustainable development of national energy resources

    African Journals Online (AJOL)

    RAYAN_

    Committee on International Law on Sustainable Development in 2003 and submitted its fifth and final report at .... and gas are shared natural resources, with a recent attempt by the ILC Special Rapporteur on Shared ..... the principles, and widely varying consequences of their application depending on the specific context.

  2. Sustainable Welfare in Low Energy Societies

    DEFF Research Database (Denmark)

    Nørgaard, Jørgen

    1996-01-01

    The chapter presents some general basic concepts which are useful in analyzing future options for saving energy and thereby mitigate the environmental problems. Three factors are suggested as determinants of the energy demand, namely the population, the level of energy services (material welfare)...

  3. Smart sustainable energy for the rural built environment

    CSIR Research Space (South Africa)

    Szewczuk, S

    2015-12-01

    Full Text Available robust methodology to adapt innovative and renewable smart grid technologies to deliver real and sustainable decentralised energy solutions for remote and rural communities, thereby improving livelihoods and opportunities for inclusive growth...

  4. Worldwide Engagement for Sustainable Energy Strategies

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-09-19

    Thirty-five years after the Agency's founding, the IEA responsibility for ensuring access to global oil supplies is still a core mandate -- but new energy-related concerns have arisen. Energy security is no longer only about oil. And the industrialised nations of the world are no longer the only major consumers of energy. Climate change driven by greenhouse gas emissions -- 60% of which derive from energy production or use -- is a growing threat. So energy policy was tasked with a new objective: to cut greenhouse gas emissions while maintaining economic growth.

  5. World energy: Building a sustainable future

    Energy Technology Data Exchange (ETDEWEB)

    Schipper, L.; Meyers, S.

    1992-04-01

    As the 20th century draws to a close, both individual countries and the world community face challenging problems related to the supply and use energy. These include local and regional environmental impacts, the prospect of global climate and sea level change associated with the greenhouse effect, and threats to international relations in connection with oil supply or nuclear proliferation. For developing countries, the financial cost of providing energy to provide basic needs and fuel economic development pose an additional burden. To assess the magnitude of future problems and the potential effectiveness of response strategies, it is important to understand how and why energy use has changed in the post and where it is heading. This requires study of the activities for which energy is used, and of how people and technology interact to provide the energy services that are desired. The authors and their colleagues have analyzed trends in energy use by sector for most of the world`s major energy-consuming countries. The approach we use considers three key elements in each sector: the level of activity, structural change, and energy intensity, which expresses the amount of energy used for various activities. At a disaggregated level, energy intensity is indicative of energy efficiency. But other factors besides technical efficiency also shape intensity.

  6. World energy: Building a sustainable future

    Energy Technology Data Exchange (ETDEWEB)

    Schipper, L.; Meyers, S.

    1992-04-01

    As the 20th century draws to a close, both individual countries and the world community face challenging problems related to the supply and use energy. These include local and regional environmental impacts, the prospect of global climate and sea level change associated with the greenhouse effect, and threats to international relations in connection with oil supply or nuclear proliferation. For developing countries, the financial cost of providing energy to provide basic needs and fuel economic development pose an additional burden. To assess the magnitude of future problems and the potential effectiveness of response strategies, it is important to understand how and why energy use has changed in the post and where it is heading. This requires study of the activities for which energy is used, and of how people and technology interact to provide the energy services that are desired. The authors and their colleagues have analyzed trends in energy use by sector for most of the world's major energy-consuming countries. The approach we use considers three key elements in each sector: the level of activity, structural change, and energy intensity, which expresses the amount of energy used for various activities. At a disaggregated level, energy intensity is indicative of energy efficiency. But other factors besides technical efficiency also shape intensity.

  7. Energy solutions for sustainable development. Proceedings

    Energy Technology Data Exchange (ETDEWEB)

    Soenderberg Petersen, L.; Larsen, Hans (eds.)

    2007-05-15

    The Risoe International Energy Conference took place 22 - 24 May 2007. The conference focused on: 1) Future global energy development options. 2) Scenario and policy issues. 3) Measures to achieve low-level stabilization at, for example, 500 ppm CO2 concentrations in the atmosphere. 4) Local energy production technologies such as fuel cells, hydrogen, bio-energy and wind energy. 5) Centralized energy technologies such as clean coal technologies. 6) Providing renewable energy for the transport sector. 7) Systems aspects, differences between the various major regions throughout the world. 8) End-use technologies, efficiency improvements and supply links. 9) Security of supply with regard to resources, conflicts, black-outs, natural disasters and terrorism. (au)

  8. Sustainable Energy Development in Saudi Arabia

    Directory of Open Access Journals (Sweden)

    Mounir Belloumi

    2015-04-01

    Full Text Available The main objective of this research is to study the role of energy consumption in economic growth in Saudi Arabia over the period of 1971–2012 using the autoregressive distributed lag (ARDL cointegration procedure, and based on neoclassical growth, endogenous growth, and ecological-economics viewpoints. Our empirical results show the existence of a cointegrating relationship between the different variables investigated. In addition, all the inputs (conventional and non-conventional Granger cause economic growth in both the short and long runs. Our findings confirm the energy-led growth hypothesis in the case of Saudi Arabia. Hence, energy conservation policies may deteriorate economic growth in Saudi Arabia if they are not followed by measures that improve energy efficiency, energy saving technologies and encourage the investment and use of renewable energy sources such as solar and wind energies that can participate in the attenuation of climate changes.

  9. Wood Biomass Sustainability under the Renewable Energy Directive

    OpenAIRE

    GORDEEVA, Yelena

    2014-01-01

    The article studies the role of wood biomass as a source of renewable energy in the EU and the potential sustainability risks associated with the rapid growth in the use of wood stimulated by the Renewable Energy Directive (RED). Secondly the article discusses the RED's sustainability criteria and their applicability to wood biomass. Thirdly, the article analyzes the current legal framework for forest management that is referred to by the European Commission as "enough to provide assurances f...

  10. Overview of the Sustainable Energy Research at DTU

    DEFF Research Database (Denmark)

    Larsen, Hans Hvidtfeldt

    2014-01-01

    Most of the Danish expertise in sustainable energy is found at the Technical University of Denmark, where approximately 1,000 staff members are carrying out research into sustainable energy. The research activities cover a broad area of scientific fields, from production, conversion, systems...... and transport to storage and end-use consumption. DTU places great emphasis on this research taking place in close cooperation with internationally leading institutions and experts....

  11. Renewable energy sources for sustainable tourism in the Carpathian region

    Science.gov (United States)

    Mandryk, O. M.; Arkhypova, L. M.; Pobigun, O. V.; Maniuk, O. R.

    2016-08-01

    The use of renewable energy in sustainable tourism development of the region is grounded in the paper. There are three stages of selecting areas for projects of renewable energy sources: selection of potentially suitable area; consideration of exclusion criteria, detailed assessment of potential sites or areas. The factors of impact on spatial constraints and opportunities for building wind, solar and small hydro power plants on the parameters of sustainable tourism development in the Carpathian region were determined.

  12. Sustainability in Energy and Buildings : Proceedings of the 3rd International Conference in Sustainability in Energy and Buildings

    CERN Document Server

    Namaane, Aziz; Howlett, Robert; Jain, Lakhmi

    2012-01-01

    Welcome to the proceedings of the Third International Conference on Sustainability in Energy and Buildings, SEB’11, held in Marseilles in France, organised by the Laboratoire des Sciences del'Information et des Systèmes (LSIS) in Marseille, France in partnership with KES International.   SEB'11 formed a welcome opportunity for researchers in subjects related to sustainability, renewable energy technology, and applications in the built environment to mix with other scientists, industrialists and stakeholders in the field.   The conference featured presentations on a range of renewable energy and sustainability related topics. In addition the conference explored two innovative themes: - the application of intelligent sensing, control, optimisation and modelling techniques to sustainability and - the technology of sustainable buildings.  These two themes combine synergetically to address issues relating to The Intelligent Building.   SEB’11 attracted a significant number of submissions from around the w...

  13. Bionic models for new sustainable energy technology

    Energy Technology Data Exchange (ETDEWEB)

    Tributsch, H. [Hahn-Meitner Inst., Dept. Solare Energetik, Berlin (Germany)

    2004-07-01

    Within the boundary conditions of an abundant, but diluted solar energy supply nature has successfully evolved sophisticated regenerative energy technologies, which are not yet familiar to human engineering tradition. Since until the middle of this century a substantial contribution of renewable energy to global energy consumption is required in order to limit environmental deterioration, bionic technologies may contribute to the development of commercially affordable technical options. Four biological energy technologies have been selected as examples to discuss the challenges, both in scientific and technological terms, as well as the material research aspects involved: photovoltaics based on irreversible kinetics, tensile water technology, solar powered protonic energy circuits, fuel cell catalysis based on abundant transition metals. (orig.)

  14. Small hydropower projects and sustainable energy development in Sri Lanka

    Energy Technology Data Exchange (ETDEWEB)

    Morimoto, R.; Munasinghe, M. [Cambridge Univ. (United Kingdom); Munasinghe Inst. for Development, Colombo (Sri Lanka); Yale Univ., New Haven, CT (United States)

    2005-07-01

    Sustainable development has evolved to encompass three major viewpoints: economic, social and environmental. Given the wide-ranging potential impacts of energy on national sustainable development, we review the linkages between these two topics. In the Sri Lanka case study presented here, the Sustainomics framework is used to assess the role of small hydroelectric power projects in sustainable energy development. Key variables represent economic, social and environmental dimensions. This analysis helps policy-makers compare and rank project alternatives more easily and effectively. The multi-dimensional analysis, which includes environmental and social variables, supplements the more conventional cost benefit analysis based on economic values alone. (Author)

  15. Energy solutions for sustainable development. Proceedings

    DEFF Research Database (Denmark)

    The Risø International Energy Conference took place 22 - 24 May 2007. The conference focused on: • Future global energy development options • Scenario and policy issues • Measures to achieve low-level stabilization at, for example, 500 ppm CO2 concentrations in the atmosphere • Local energy produ......, efficiency improvements and supply links • Security of supply with regard to resources, conflicts, black-outs, natural disasters and terrorism...

  16. Sustainable energy: choices, problems and opportunities

    OpenAIRE

    Elliott, David

    2003-01-01

    About the Book: The world's dependence on fossil fuels is widely acknowledged to be a major cause of rising levels of carbon dioxide in the atmosphere. Thus there is an urgent need to develop energy sources with lower environmental impact, with attention focusing on renewable energy sources. Concise, authoritative, up-to-date and readable, this book reviews various energy technologies, as well as taking a critical look at the political, social and economic aspects. Throughout, the emphasis is...

  17. Distributed Power Systems for Sustainable Energy

    Science.gov (United States)

    2012-10-01

    Base ALC Automatic Logic Corporation BEMS building energy management system BMS battery management system CHP combined heat and power DC...direct current DOD U.S. Department of Defense DSB Defense Science Board EES electric energy storage EMS energy management system EO Executive...Electrotechnical Commission IEEE Institute of Electrical and Electronics Engineers LCC life-cycle cost MPPT maximum power point of tracking NDAA National

  18. Energy Sustainability and Its Impacts on Croatian Tourism

    Directory of Open Access Journals (Sweden)

    Marinela Krstinić Nižić

    2017-01-01

    Full Text Available Energy efficiency, renewable energy sources, and environmental protection projects play a pivotal role in tourism. The World Tourism Organization (UNWTO addresses resource management and energy use as one of the major issues. The main goal of the paper is to present the economic–financial analysis and the assessment of investment projects in the construction of a conventional mid-size hotel using fossil fuels and a mid-size hotel based on sustainable principles and renewable energy sources. Comparative analysis of conventional and energy efficient hotels is used to calculate the key financial indicators in decision making. Case study shows that the introduction of renewable energy sources meets the needs of modern guests and increases the hotel's competitiveness, while the effects of energy sustainability reflect on the environment and reduced CO2 emissions. Based on the results, the paper suggests measures for improving energy sustainability in hotels and other tourism facilities. The paper is intended for those who deal with theoretical and practical issues of energy sustainability in tourism, tourism certificates, renewable energy sources and investment costs―scientists, researchers, PhD candidates and students as a basis for further comparative studies and benchmarking. It can also be useful for a considerably wider circle of users―managers at all levels and other business decision makers, as well as proprietors, investors, and creditors.

  19. Sustainable biotechnology: sources of renewable energy

    National Research Council Canada - National Science Library

    Singh, Om V; Harvey, Steven P

    2010-01-01

    ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Anuj K. Chandel, Om V. Singh, and L.Venkateswar Rao 63 Tactical Garbage to Energy Refinery (TGER) . . . . . . . . . . . . . . . James J. Valdes and Jerry B. Warner...

  20. The Energy Union Pillars: Competitiveness, Security and Sustainability

    Directory of Open Access Journals (Sweden)

    Alina Ligia Dumitrescu

    2016-10-01

    Full Text Available This research focuses on the study of energy union, from the perspective of the three pillars: competitiveness, sustainability and security. The author uses descriptive research methodology to analyze the implementation of the main objectives of energy union. The article analyzes, based on the literature in the energy field, the weaknesses and the strengths of each pillar. The study findings show the opportunities, but also the challenges that hinder the development of energy union and identify the priorities for Romania.

  1. SUSTAINABLE DEVELOPMENT, ENERGY AND CLIMATE CHANGE IN THE EUROPEAN UNION

    Directory of Open Access Journals (Sweden)

    Andrei ROTH

    2015-04-01

    Full Text Available Through sustainable development the needs of the current generation are fulfilled without jeopardizing the opportunities of future generations. The concept takes into account economic, social and environmental considerations. It has a wide range of applications from natural resources to population growth and biodiversity. One of its most important themes is energy. In this area, sustainable development relates with resource availability and green house gases emissions. Also it takes into account the needs of people without access to energy, and their legitimate quest for development. For the European Union, sustainable development represents an overarching objective. The present article analyzes the concept from a theoretical perspective, contrasting its strong points and weaknesses. It highlights the relation between sustainable development, energetic resources and climate change. The EU policies results in the field of energy are analyzed from the perspective of resources, energetic dependency and climate change efforts.

  2. Electronic Portfolios for Scientists

    OpenAIRE

    Dahn, I.; Christmann, A

    2007-01-01

    Electronic portfolios (ePortfolios) are electronic versions of paper based portfolios. They are increasingly applied in education. Software for building and maintaining ePortfolios is emerging; open specifications for the exchange of ePortfolios exist. They show the potential to serve as a standard tool for documenting achievements in lifelong learning. In this paper we explore the potential of ePortfolios for scientists.

  3. The Sustainable Energy Utility (SEU) Model for Energy Service Delivery

    Science.gov (United States)

    Houck, Jason; Rickerson, Wilson

    2009-01-01

    Climate change, energy price spikes, and concerns about energy security have reignited interest in state and local efforts to promote end-use energy efficiency, customer-sited renewable energy, and energy conservation. Government agencies and utilities have historically designed and administered such demand-side measures, but innovative…

  4. Sustainable energy policy in Honduras. Diagnosis and challenges

    Energy Technology Data Exchange (ETDEWEB)

    Flores, Wilfredo C. [National Directorate of Energy, Tegucigalpa (MDC), Honduras, Central America (United States); Universidad Nacional Autonoma de Honduras, Facultad de Ciencias, Escuela de Fisica, Tegucigalpa (MDC), Honduras, Central America (United States); Ojeda, Osvaldo A. [Universidad Nacional de la Patagonia San Juan Bosco (Argentina); Flores, Marco A.; Rivas, Francisco R. [Universidad Nacional Autonoma de Honduras, Facultad de Ciencias, Escuela de Fisica, Tegucigalpa (MDC), Honduras, Central America (United States)

    2011-02-15

    In view of having a still unexploited potential of natural resources available for clean energy and the possibility of using the regional electricity market in Central America, Honduras has several potential energy sources. The growing dependence on oil and the imminent increase in international prices of fossil fuels, coupled with the necessity of changing the energy sector arrangement, the State of Honduras has taken the lead for the development of a long-term sustainable energy policy. This energy policy must be able to develop various energy sources and guide both, the government and the private sector, to the planning and development of alternative energy sources and sustainable growth of the Honduran economy. In this paper, the various energy diagnoses and the potential for changing the Honduran energy mix are presented, as well as the investment required for sustainable management of the energy sector. Furthermore, the objectives of the energy policy and plan up to the year 2030 are presented, outlining the investment possibilities for the energy sector development, showing their costs and timeframes. (author)

  5. Sustainable development in Pemex: energy management

    Energy Technology Data Exchange (ETDEWEB)

    Hernandez, C.E.R. [Petroleos Mexicanos, Mexico (Mexico)

    2002-06-01

    In this paper, the author reviewed the energy management activities, over the last two years, of Petroleos Mexicanos, also known as Pemex. These activities generated substantial savings. A brief overview of Pemex was provided. The State Oil Company of Mexico, Pemex occupies the third rank of the world oil producers, and is in seventh place in terms of proven reserves. The gas production has earned the company the ninth spot, and it is in tenth place as far as its refining capacity is concerned. Pemex has annual revenues of 50, 000 million American dollars and operates in excess of 1,000 facilities. The energy management program implemented covered an experts network, training, campaigns, and information and monitoring system. Each of the components of the energy management system were reviewed. Linking each facility, the experts network was created to enhance the efficient use of energy. The Energy Saving and Environmental Protection campaign was held over the period 1999-2000 and involved the participation of 209 work sites. For its part, the Energy Efficient Use and Savings campaign took place in 2000-2001, involving 205 work sites. Both resulted in substantial savings. An internal carbon dioxide trading system was also implemented to improve air quality, and was designed to provide a cap and trade carbon dioxide emissions. The next phase involved the implementation of an information and monitoring system, which defined an Energy Consumption Index used in monthly reports. The next steps in the process were briefly outlined. 5 figs.

  6. Tidal energy extraction: renewable, sustainable and predictable.

    Science.gov (United States)

    Nicholls-Lee, R F; Turnock, S R

    2008-01-01

    The tidal flow of sea water induced by planetary motion is a potential source of energy if suitable systems can be designed and operated in a cost-effective manner This paper examines the physical origins of the tides and how the local currents are influenced by the depth of the seabed and presence of land mass and associated coastal features. The available methods of extracting energy from tidal movement are classified into devices that store and release potential energy and those that capture kinetic energy directly. A survey is made of candidate designs and, for the most promising, the likely efficiency of energy conversion and methods of installing them are considered. Overall, the need to reduce CO2 emissions, a likely continued rise in fossil fuel cost will result in a significantly increased use of tidal energy. What is still required, especially for kinetic energy devices, is a much greater understanding of how they can be designed to withstand long-term immersion in the marine environment.

  7. BPS, energy efficiency and renewable energy sources for buildings greening and zero energy cities planning harmony and ethics of sustainability

    Energy Technology Data Exchange (ETDEWEB)

    Todorovic, Marija S. [University of Belgrade, Serbia and Southeast University (China)

    2011-07-01

    Traditional village houses now use renewable materials and energy sources and this paper presents the intrinsic harmony of these buildings' greening and their sustainability. The paper covers building technical systems, sustainable energy supply, and the importance of renewable raw materials (RMS) for sustainable development. This study investigated the role of building dynamic behavior and optimized energy efficiency in reducing thermal loads significantly. A preliminary design for sustainable energy efficient settlements with net zero energy buildings is proposed and a comprehensive multidisciplinary engineering study was done which identified the technical feasibility of sustainable village energy and water supplies using solar or wind technologies. Overall, through analysis of sustainability definitions and possible ways to achieve sustainability, the study demonstrated that this can only be brought about by interdisciplinary interaction and finding the right balance between materiality and spirituality, science and art, and between technological development and concern for cultural and other human values.

  8. Technical Design of Flexible Sustainable Energy Systems

    DEFF Research Database (Denmark)

    Lund, Henrik

    2003-01-01

    The paper presents technical designs of potential future flexible energy systems in Denmark, which will be able both to balance production and demand and to secure voltage and frequency requirements on the grid....

  9. Certification criteria for sustainable biomass for energy

    OpenAIRE

    Ladanai, Svetlana; Vinterbäck, Johan

    2010-01-01

    Rising energy prices, geopolitics as well as concerns over increasing oil prices, national security, and the impacts of greenhouse gas emissions on global climate change are driving large-scale efforts to implement bioenergy alternatives. Biomass fuels offer many new opportunities, but if not managed carefully, they may also carry significant risks. Biomass in this context is non-fossil material of biological origin from forest, energy crops, agriculture and different kind of w...

  10. Policies and programs for sustainable energy innovations renewable energy and energy efficiency

    CERN Document Server

    Kim, Jisun; Iskin, Ibrahim; Taha, Rimal; Blommestein, Kevin

    2015-01-01

    This volume features research and case studies across a variety of industries to showcase technological innovations and policy initiatives designed to promote renewable energy and sustainable economic development. The first section focuses on policies for the adoption of renewable energy technologies, the second section covers the evaluation of energy efficiency programs, and the final section provides evaluations of energy technology innovations. Environmental concerns, energy availability, and political pressure have prompted governments to look for alternative energy resources that can minimize the undesirable effects for current energy systems.  For example, shifting away from conventional fuel resources and increasing the percentage of electricity generated from renewable resources, such as solar and wind power, is an opportunity to guarantee lower CO2 emissions and to create better economic opportunities for citizens in the long run.  Including discussions of such of timely topics and issues as global...

  11. The sustainable nuclear energy technology platform. A vision report

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    Nuclear fission energy can deliver safe, sustainable, competitive and practically carbon-free energy to Europe's citizens and industries. Within the framework of the Strategic Energy Technology Plan (SET Plan), the European Commission's stakeholders in this field have formulated a collective vision of the contributions this energy could make towards Europe's transition to a low-carbon energy mix by 2050, with the aim of integrating and expanding R and D capabilities in order to further this objective. The groundwork has been prepared by the stakeholders listed in Annex II, within the framework of two EURATOM FP6 (Sixth Framework Programme) Coordination Actions, namely SNF-TP (Sustainable Nuclear Fission Technology Platform) and PATEROS (Partitioning and Transmutation European Road-map for Sustainable Nuclear Energy), with contributions from Europe's technical safety organisations. This vision report prepares the launch of the European Technology Platform on Sustainable Nuclear Energy (SNE-TP). It proposes a vision for the short-, medium- and long-term development of nuclear fission energy technologies, with the aim of achieving a sustainable production of nuclear energy, a significant progress in economic performance, and a continuous improvement of safety levels as well as resistance to proliferation. In particular, this document proposes road-maps for the development and deployment of potentially sustainable nuclear technologies, as well as actions to harmonize Europe's training and education, whilst renewing its research infrastructures. Public acceptance is also an important issue for the development of nuclear energy. Therefore, research in the fields of nuclear installation safety, protection of workers and populations against radiation, management of all types of waste, and governance methodologies with public participation will be promoted. The proposed road-maps provide the backbone for a strategic research agenda (SRA) to maintain

  12. On the path to sustainability: Key issues on Nigeria’s sustainable energy development

    Directory of Open Access Journals (Sweden)

    Norbert Edomah

    2016-11-01

    Full Text Available In the face of scarcity of energy resources and rising energy prices due primarily to a world of increasing demand, energy security concerns becomes more crucial both for private and public sector alike. At the same time, energy policies have been shifting and policy changes have become hard to predict because of radical changes in energy supply. This paper analyzes the barriers to sustainable energy development in Nigeria which are: (1 cost and pricing barriers, (2 legal and regulatory barriers, (3 market performance barriers. It concludes by highlighting some key policies that can help address some of the identified barriers in order to ensure a secured sustainable energy future for Nigeria.

  13. Mass transport in reverse electrodialysis for sustainable energy generation

    NARCIS (Netherlands)

    Dlugolecki, P.E.

    2009-01-01

    Reverse electrodialysis (RED) is a promising and potentially attractive technology for the generation of sustainable energy from the mixing of salt and fresh water. It uses the free energy of mixing two solutions of different salinity (e.g. river and sea water) to generate power. In RED, a

  14. Materials and membrane technologies for water and energy sustainability

    KAUST Repository

    Le, Ngoc Lieu

    2016-03-10

    Water and energy have always been crucial for the world’s social and economic growth. Their supply and use must be sustainable. This review discusses opportunities for membrane technologies in water and energy sustainbility by analyzing their potential applications and current status; providing emerging technologies and scrutinizing research and development challenges for membrane materials in this field.

  15. AN ECOLOGICAL-ECONOMIC CONVERGENCE: TRANSITION TO SUSTAINABLE ENERGY

    Directory of Open Access Journals (Sweden)

    G. Kharlamova

    2013-08-01

    Full Text Available Sustainable energy development is complex challenge, so only complex decisions and approaches could be possible to implement in the most efficient way. There is still open question – what is the optimal volume of new energy resources using to support sustainable development and environment safety for any state of the world. Article deals with the availability of convergence to serve for the more effective usage of analytic and system approaches for modeling ecological-economic spillovers in the case of transition to sustainable energy. The economic effects of sustainable energy transition are considered. The analysis of dynamic of energy consumption in the scale of different type of resources during 1820-2030 years depicted the situation of complicated analysis of “economy-energy-environment” linkage. It arises the agenda of necessity to implement complex approaches for modeling and forecasting of new energy systems development. Different types of models and techniques to analyze economy-energy systems are listed and compared.

  16. Energy Performance of Buildings - The European Approach to Sustainability

    DEFF Research Database (Denmark)

    Heiselberg, Per

    2006-01-01

    This paper presents the European approach to improve sustainability in the building sector, which has a very high potential for considerable reduction of energy consumption in the coming years. By approving the Energy Performance in Buildings Directive the European Union has taken a strong...

  17. Energy Sustainability: It's Easier (and Cheaper) than You Think

    Science.gov (United States)

    Smith, Molly; Peterson, David

    2010-01-01

    In this economy, it's hard to implement any kind of school facility improvement plan with tight budgets and rising energy costs. The following strategies and suggestions are just some of the many ways schools can reach toward sustainability. In creating this presentation, our objective was to point out what you can do to save energy right now with…

  18. Sustainable Energy for University Science Majors: Developing Guidelines for Educators

    Science.gov (United States)

    Langbeheim, Elon; Rez, Peter

    2017-01-01

    This paper describes the basic tenets of a sustainable energy course for university science majors. First, it outlines the three core components of the course: (1) The scientific evidence for the connection between climate change and energy usage; (2) An analysis of the capacity and environmental impact of various renewable and traditional energy…

  19. Biomass in a sustainable energy system

    Energy Technology Data Exchange (ETDEWEB)

    Boerjesson, Paal

    1998-04-01

    In this thesis, aspects of an increase in the utilization of biomass in the Swedish energy system are treated. Modern bioenergy systems should be based on high energy and land use efficiency since biomass resources and productive land are limited. The energy input, including transportation, per unit biomass produced is about 4-5% for logging residues, straw and short rotation forest (Salix). Salix has the highest net energy yield per hectare among the various energy crops cultivated in Sweden. The CO{sub 2} emissions from the production and transportation of logging residues, straw and Salix, are equivalent to 2-3% of those from a complete fuel-cycle for coal. Substituting biomass for fossil fuels in electricity and heat production is, in general, less costly and leads to a greater CO{sub 2} reduction per unit biomass than substituting biomass derived transportation fuels for petrol or diesel. Transportation fuels produced from cellulosic biomass provide larger and less expensive CO{sub 2} emission reductions than transportation fuels from annual crops. Swedish CO{sub 2} emissions could be reduced by about 50% from the present level if fossil fuels are replaced and the energy demand is unchanged. There is a good balance between potential regional production and utilization of biomass in Sweden. Future biomass transportation distances need not be longer than, on average, about 40 km. About 22 TWh electricity could be produced annually from biomass in large district heating systems by cogeneration. Cultivation of Salix and energy grass could be utilized to reduce the negative environmental impact of current agricultural practices, such as the emission of greenhouse gases, nutrient leaching, decreased soil fertility and erosion, and for the treatment of municipal waste and sludge, leading to increased recirculation of nutrients. About 20 TWh biomass could theoretically be produced per year at an average cost of less than 50% of current production cost, if the economic

  20. World in transition 3 towards sustainable energy systems

    CERN Document Server

    2014-01-01

    'The publication of World in Transition: Towards Sustainable Energy Systems is timely indeed. The World Summit on Sustainable Development gave great prominence to this challenge, but failed to agree on a quantitative, time-bound target for the introduction of renewable energy sources. The German Advisory Council on Global Change (WBGU) has now produced a report with a global focus, which is essential in view of the global impacts of climate change. The report provides a convincing long-term analysis, which is also essential. Global energy policies have to take a long-term perspective, over the

  1. Implementation of sustainable energy programs in developing countries

    Energy Technology Data Exchange (ETDEWEB)

    Spitalnik, J. [FEBRAE, Rio Janeiro (Brazil)

    2001-07-01

    Energy, a major contributor to development, is an essential element for increasing quality of life. During the next decades, the developing world will experience an explosive increase of energy demand, requiring enormous efforts and ingenuity to be fully satisfied. Delays may create public frustration for not achieving paradigm levels of quality of life, giving eventually rise to serious pressures on governments. The concept of sustainable energy options for development cannot be analyzed under the same prism in developed and developing countries. The relative degree of a country development should be introduced when setting up the path to sustainable development. (author)

  2. Sustainable energy systems: Limitations and challenges based on exergy analysis

    OpenAIRE

    Woudstra, N.

    2012-01-01

    General There is a general understanding that the so-called “developed countries” have to change their way of life including their energy supply into a more sustainable way. But even in the case of unanimity with regard to the direction, there are still many opinions about the way to follow. This thesis discusses problems and possibilities of more sustainable energy systems first of all for the energy supply of the Netherlands. The “trias energetica” is used to distinguish the steps that have...

  3. Sustainable Development Strategies of Biomass Energy in Beijing

    Science.gov (United States)

    Zhang, H. Z.; Huang, B. R.

    2017-10-01

    The development of biomass energy industry can effectively improve the rural environment and alleviate the shortage of living energy in rural areas, especially in mountain areas. In order to make clear the current situation of biomass energy industry development in Beijing, this paper analyzed the status of biomass resources and biomass energy utilization and discussed the factors hindering the development of biomass energy industry in Beijing. Based on the analysis, suggestions for promoting sustainable development of Biomass Energy Industry in Beijing are put forward.

  4. Sustainable Biofuel Project: Emergy Analysis of South Florida Energy Crops

    Energy Technology Data Exchange (ETDEWEB)

    Amponsah, Nana Yaw [Intelligentsia International, Inc., LaBelle, FL (United States); Izursa, Jose-Luis [Intelligentsia International, Inc., LaBelle, FL (United States); Hanlon, Edward A. [Univ. of Florida, Gainesville, FL (United States). Soil and Water Sciences Dept.; Capece, John C. [Intelligentsia International, Inc., LaBelle, FL (United States)

    2012-11-15

    This study evaluates the sustainability of various farming systems, namely (1) sugarcane on organic and mineral soils and (2) energycane and sweet sorghum on mineral soils. The primary objective of the study is to compare the relative sustainability matrices of these energy crops and their respective farming systems. These matrices should guide decision and policy makers to determine the overall sustainability of an intended or proposed bioethanol project related to any of these studied crops. Several different methods of energy analysis have been proposed to assess the feasibility or sustainability of projects exploiting natural resources (such as (Life Cycle Analysis, Energy Analysis, Exergy Analysis, Cost Benefit Analysis, Ecological Footprint, etc.). This study primarily focused on the concept of Emergy Analysis, a quantitative analytical technique for determining the values of nonmonied and monied resources, services and commodities in common units of the solar energy it took to make them. With this Emergy Analysis study, the Hendry County Sustainable Biofuels Center intends to provide useful perspective for different stakeholder groups to (1) assess and compare the sustainability levels of above named crops cultivation on mineral soils and organic soils for ethanol production and (2) identify processes within the cultivation that could be targeted for improvements. The results provide as much insight into the assumptions inherent in the investigated approaches as they do into the farming systems in this study.

  5. A source of energy : sustainable architecture and urbanism

    Energy Technology Data Exchange (ETDEWEB)

    Roestvik, Harald N.

    2011-07-01

    An update on the environmental challenges. Meant to inspire and be a source of energy.Tearing down myths and floodlighting paradoxes. Particularly relevant for students of architecture, architects and concerned citizens. Training tasks, recommendations for further source books and web sites, are included. From the content: Climate change and consensus, Population growth, Food production, The sustainable city, Transportation myths and facts, A mini history of environmental architecture, Architects' approach to sustainable design, The failure of western architects; a case study; China, The passive, zeb and plus energy building, Natural ventilation, Sustainable materials, Plastics in building, Nuclear energy, Solar energy, The grid of the future, Indoor climate and health. The sick building syndrome, Radon, Universal design, Paradoxes, Bullying techniques, Trust yourself, Timing, Which gateway will you choose?, On transience. (au)

  6. World Sustainable Energy Days Next 2014

    CERN Document Server

    Egger, Christiane

    2015-01-01

    These conference proceedings contain contributions to one of Europe’s largest annual conferences on energy efficiency and renewable energy. From two main fields – biomass and energy efficiency in buildings – contributions offer an insight into the research work and the scientific findings and developments of young researchers from all over the world. The papers were selected by a high-level scientific committee for oral presentation. They also communicate results, trends and opinions that will concern and influence the world’s energy experts and policy makers over the next decades. The conference was held from 26-27 February 2014. The conference The conference is organized by the Energy Agency of Upper Austria (OÖ Energiesparverband) and held in Wels annually in February or March. It attracts more than 700 experts from over 50 countries every year. The Editors Christiane Egger is the deputy managing director of the OÖ Energiesparverband and the Manager of the Ökoenergie-Cluster, a network of 160 co...

  7. Sustainable energy policy in Honduras: Diagnosis and challenges

    Energy Technology Data Exchange (ETDEWEB)

    Flores, Wilfredo C. [National Directorate of Energy, Tegucigalpa (MDC) (Honduras); Universidad Nacional Autonoma de Honduras, Facultad de Ciencias, Escuela de Fisica, Tegucigalpa (MDC) (Honduras); Ojeda, Osvaldo A. [Universidad Nacional de la Patagonia San Juan Bosco (Argentina); Flores, Marco A.; Rivas, Francisco R. [Universidad Nacional Autonoma de Honduras, Facultad de Ciencias, Escuela de Fisica, Tegucigalpa (MDC) (Honduras)

    2011-02-15

    In view of having a still unexploited potential of natural resources available for clean energy and the possibility of using the regional electricity market in Central America, Honduras has several potential energy sources. The growing dependence on oil and the imminent increase in international prices of fossil fuels, coupled with the necessity of changing the energy sector arrangement, the State of Honduras has taken the lead for the development of a long-term sustainable energy policy. This energy policy must be able to develop various energy sources and guide both, the government and the private sector, to the planning and development of alternative energy sources and sustainable growth of the Honduran economy. In this paper, the various energy diagnoses and the potential for changing the Honduran energy mix are presented, as well as the investment required for sustainable management of the energy sector. Furthermore, the objectives of the energy policy and plan up to the year 2030 are presented, outlining the investment possibilities for the energy sector development, showing their costs and timeframes. - Research Highlights: {yields} This paper shows the development of a long-term energy policy for Honduras. {yields} The various diagnoses of the energy sector in Honduras are shown, considering the use of wood, biomass, biofuels, electricity, transportation, hydrocarbons and rural electrification. {yields} The most relevant results of the analysis of energy forecasting are shown, for which the LEAP software was used. {yields} The objectives of the energy policy and plan up to the year 2030 are presented, outlining the investment possibilities for the energy sector development, showing their costs and timeframes.

  8. Can Future Energy Needs be Met Sustainably?

    CERN Multimedia

    CERN. Geneva

    2015-01-01

    After briefly reviewing trends in energy demand, supply and efficiency, I will focus on the potential and outlook for the major low carbon energy sources - in order of decreasing current importance: bioenergy, hydro, nuclear, wind and solar. Together, they are sufficiently abundant to replace fossil fuels, which would presumably happen if they were economically competitive. I will discuss how close low carbon sources are to being competitive (which in the case of wind and solar depends on the cost of integrating large-scale intermittent supply), and the tech...

  9. Policy Means for Sustainable Energy Scenarios

    DEFF Research Database (Denmark)

    Meyer, Niels I; Nørgaard, Jørgen

    2011-01-01

    Consequences of global warming are appearing much faster than assumed just a few years ago and irreversible ”tipping points” are few years ahead (IPCC, 2007; Hansen et al., 2008; Kopp et al., 2009). Despite long and tedious preparations for COP15 in December 2009 the final result (Copenhagen Accord......, 2009) lacked sufficient concrete commitments for reduction of greenhouse gases (GHGs) after 2012 when the Kyoto Protocol expires. Human activities in their present form are strongly dependent on the supply of energy. A dominant part of the global energy supply is based on fossil fuels and a dominant...

  10. The missing link in sustainable energy

    DEFF Research Database (Denmark)

    Blarke, Morten Boje

    This thesis investigates options for handling the problem of intermittency related to large-scale penetration of wind power into the West Danish energy system. But rather than being a story about wind power, the thesis explores the principles by which distributed energy plants could be better...... %. However, the thesis claims that increased costs may be acceptable as these concepts will reduce the need for investments in cross-national infrastructure. The most cost-effective concepts for increasing the wind-friendliness of existing distributed generators relies on installing a relatively small heat...

  11. Sustainable urban regeneration based on energy balance

    NARCIS (Netherlands)

    Van Timmeren, A.; Zwetsloot, J.; Brezet, H.; Silvester, S.

    2012-01-01

    In this paper, results are reported of a technology assessment of the use and integration of decentralized energy systems and storage devices in an urban renewal area. First the general context of a different approach based on 'rethinking' and the incorporation of ongoing integration of coming

  12. Energy sustainability performance of the regional economy

    Directory of Open Access Journals (Sweden)

    N. I. Danilov

    2005-03-01

    Full Text Available The results of the study of the dynamics of energy intensity of gross regional product of the Sverdlovsk region for the period 1996 - 2003 years. and projections for the period up to 2015. The principal possibility of growth performance of the regional economy, without a significant increase in the consumption of primary fuel.

  13. Operationalizing Sustainable Development Suncor Energy Inc: A critical case

    Science.gov (United States)

    Fergus, Andrew

    The concept of Sustainable Development is often understood as a framework within which organizations are able to move forward in a successful and beneficial manner. However, it is also seen as an ambiguous notion with little substance beyond a hopeful dialogue. If we are to base organizational action upon the concepts of Sustainable Development, it is vital that we comprehend the implications of how the concept is understood at a behavioral level. Industry leaders, competitors, shareholders, and stakeholders recognize Suncor Energy Inc as a leading organization within the Oil and Gas energy field. In particular it has a reputation for proactive thinking and action within the areas of environmental and social responsibility. Through attempting to integrate the ideas of Sustainable Development at a foundational level into the strategic plan, the management of Suncor Energy Inc has committed the organization to be a sustainable energy company. To achieve this vision the organization faces the challenge of converting strategic goals into operational behaviors, a process critical for a successful future. This research focuses on understanding the issues found with this conversion process. Through exploring a critical case, this research illuminates the reality of a best-case scenario. The findings thus have implications for both Suncor Energy Inc and more importantly all other organizations attempting to move in a Sustainable Development direction.

  14. Sustainability and Energy Efficiency in the Automotive Sector

    CERN Multimedia

    CERN. Geneva

    2013-01-01

    Since this year there can be no doubt that "sustainability" has become the top issue in the automotive sector. Volkswagen's CEO Prof. Dr. Martin Winterkorn attacked incumbents like BMW Group (so far the "most sustainable car manufacturer" for the 8th consecutive year) or Toyota (producer of the famous "Prius") head-on by boldly stating to become "the most profitable and most sustainable car manufacturer worldwide by 2018" . This announcement clearly shows that "sustainability" and "profitability" no longer are considered as conflicting targets. On the contrary, to Prof. Dr. Winterkorn : "climate protection is a driver for economic growth". To prime discussions, the plenary talk will give a brief overview of the entire range of energy efficiency in the automotive sector: based on the multiple drivers behind energy efficiency, practical examples are presented along the entire life-cycle of cars (R&D, production, usage and recycling). These "cases" include big automobile producers as well as their respectiv...

  15. Energy justice and foundations for a sustainable sociology of energy

    Science.gov (United States)

    Holleman, Hannah Ann

    This dissertation proposes an approach to energy that transcends the focus on energy as a mere technical economic or engineering problem, is connected to sociological theory as a whole, and takes issues of equality and ecology as theoretical starting points. In doing so, the work presented here puts ecological and environmental sociological theory, and the work of environmental justice scholars, feminist ecologists, and energy scholars, in a context in which they may complement one another to broaden the theoretical basis of the current sociology of energy. This theoretical integration provides an approach to energy focused on energy justice. Understanding energy and society in the terms outlined here makes visible energy injustice, or the interface between social inequalities and ecological depredations accumulating as the social and ecological debts of the modern energy regime. Systems ecology is brought into this framework as a means for understanding unequal exchange, energy injustice more generally, and the requirements for long-term social and ecological reproduction in ecological terms. Energy developments in Ecuador and Cuba are used here as case studies in order to further develop the idea of energy justice and the theory of unequal ecological exchange. The point is to broaden the framework of the contemporary critical sociology of energy, putting energy justice at its heart. This dissertation contains previously published and unpublished co-authored material.

  16. Multi-Criteria Evaluation of Energy Systems with Sustainability Considerations

    OpenAIRE

    Despoina E. Keramioti; Christos A. Frangopoulos

    2010-01-01

    A multi-criteria approach is presented for the assessment of alternative means for covering the energy needs (electricity and heat) of an industrial unit, taking into consideration sustainability aspects. The procedure is first described in general terms: proper indicators are defined; next they are grouped in order to form sub-indices, which are then used to determine the composite sustainability index. The procedure is applied for the evaluation of three alternative systems. The three syste...

  17. Limitations of Nuclear Power as a Sustainable Energy Source

    OpenAIRE

    Pearce, Joshua M.

    2012-01-01

    This paper provides a review and analysis of the challenges that nuclear power must overcome in order to be considered sustainable. The results make it clear that not only do innovative technical solutions need to be generated for the fundamental inherent environmental burdens of nuclear energy technology, but the nuclear industry must also address difficult issues of equity both in the present and for future generations. The results show that if the concept of just sustainability&l...

  18. Green Tribology Biomimetics, Energy Conservation and Sustainability

    CERN Document Server

    Bhushan, Bharat

    2012-01-01

    Tribology is the study of friction, wear and lubrication. Recently, the concept of “green tribology” as “the science and technology of the tribological aspects of ecological balance and of environmental and biological impacts” was introduced. The field of green tribology includes tribological technology that mimics living nature (biomimetic surfaces) and thus is expected to be environmentally friendly, the control of friction and wear that is of importance for energy conservation and conversion, environmental aspects of lubrication and surface modification techniques, and tribological aspects of green applications such as wind-power turbines or solar panels. This book is the first comprehensive volume on green tribology. The chapters are prepared by leading experts in their fields and cover such topics as biomimetics, environmentally friendly lubrication, tribology of wind turbines and renewable sources of energy, and ecological impact of new technologies of surface treatment.

  19. Energy [R]evolution 2010-a sustainable world energy outlook

    NARCIS (Netherlands)

    Teske, S.; Pregger, T.; Simon, S.; Naegler, T.; Graus, W.H.J.; Lins, C.

    2011-01-01

    The Energy [R]evolution 2010 scenario is an update of the Energy [R]evolution scenarios published in 2007 and 2008. It takes up recent trends in global energy demand and production and analyses to which extent this affects chances for achieving climate protection targets. The main target is to

  20. Energy [r]evolution - a sustainable world energy outlook

    NARCIS (Netherlands)

    Teske, S.; Muth, J.; Sawyer, S.; Pregger, T.; Simon, S.; Naegler, T.; O'Sullivan, M.; Schmid, S; Pagenkopf, J.; Frieske, B.; Graus, W.H.J.; Kermeli, K.; Zittel, W.; Rutovitz, J.; Harris, S.; Ackermann, T.; Ruwahata, R.; Martense, N.

    2012-01-01

    Energy [R]evolution 2012 provides a consistent fundamental pathway for how to protect our climate: getting the world from where we are now to where we need to be by phasing out fossil fuels and cutting CO2 emissions while ensuring energy security.The Energy [R]evolution Scenario has become a well

  1. Energy policies and politics for sustainable world-system development

    DEFF Research Database (Denmark)

    Czeskleba-Dupont, Rolf

    environmental impacts of renewable energy sources. Normatively, (a) parts of the 1987 Brundtland report and (b) Danish experiences with regulated markets and innovations (Hvelplund 1995) are discussed and supplemented by (c) a critique of EU energy policies, especially the continued support of nuclear industry...... by Euratom (Woodman 2003). A political approach to preconditions for sustainable energy policies is finally developed from (a) Barry Commoner's critique of 1979 of president Carter's energy plan followed by the impasse of the Reagan era with the US government's retreat from federal energy and environmental...

  2. Sustainable business models for wind and solar energy in Romania

    Directory of Open Access Journals (Sweden)

    Nichifor Maria Alexandra

    2015-06-01

    Full Text Available Renewable energy has become a crucial element for the business environment as the need for new energy resources and the degree of climate change are increasing. As developed economies strive towards greater progress, sustainable business models are of the essence in order to maintain a balance between the triple bottom line: people, planet and profit. In recent years, European Union countries have installed important capacities of renewable energy, especially wind and solar energy to achieve this purpose. The objective of this article is to make a comparative study between the current sustainable business models implemented in companies that are active in the wind and solar energy sector in Romania. Both sectors underwent tremendous changes in the last two years due to changing support schemes which have had a significant influence on the mechanism of the renewable energy market, as well as on its development. Using the classical Delphi method, based on questionnaires and interviews with experts in the fields of wind and solar energy, this paper offers an overview of the sustainable business models of wind and solar energy companies, both sectors opting for the alternative of selling electricity to trading companies as a main source of revenue until 2013 and as the main future trend until 2020. Furthermore, the participating wind energy companies noted a pessimistic outlook of future investments due to legal instability that made them to reduce their projects in comparison to PV investments, which are expected to continue. The subject of the article is of interest to scientific literature because sustainable business models in wind and photovoltaic energy have been scarcely researched in previous articles and are essential in understanding the activity of the companies in these two fields of renewable energy.

  3. Agile sustainable communities. On-site renewable energy generation

    Energy Technology Data Exchange (ETDEWEB)

    Clark, Woodrow W. II. [A. Gary Anderson Graduate School of Management, University of California, Riverside (United States); Eisenberg, Larry [Los Angeles Community College District (United States)

    2008-12-15

    Smart and sustainable campuses demand three components. First, there is the need to have a Strategic Master Plan (SMP) for all infrastructures that include energy, transportation, water, waste and telecommunications along with the traditional dimensions of research, curricula, outreach and assessments. Secondarily, there is the array of issues pertaining to the sitting of buildings and overall facility master planning which must be addressed from the perspective of 'green' energy, efficient orientation and be designed for multiple-use by the academic and local community. Thirdly, the development of sustainable buildings in one area that is compact and walkable campuses thus enable a range of transportation choices leads to reduced energy consumption. Historically, college campuses were often like towns and villages in that they are self-sustaining for family, business and recreational activities. Any sustainable smart campus is a vibrant, 'experiential' applied educational model that should catalyze creative learning. More significantly, today, campuses and communities must be secure in terms of not only their own energy use and needs, but also for the resource demands of their power. Otherwise, the community(s) will never be secure economically or politically. Recognizing global warming and climate change, in the spring of 2001, the Board of Trustee (BOT) for the Los Angeles Community College District (LACCD) took the critical initial policy steps to turn these sustainable developments into goals. For example, the LACCD decided to have new 'green' buildings to replace or renovate existing ones. The building program led to sustainable communities that included recycling, product reuse from waste as well as smart growth in terms of reduced energy use, efficiency and the use of telecommunication and wireless systems. The paper focuses primarily on the energy programs for the LACCD campuses. The paper considers the overall energy

  4. Sustainable Biosolids/Renewable Energy Plant

    Energy Technology Data Exchange (ETDEWEB)

    Marshall, Steven D. [City of St. Petersburg, FL (United States); Smith, Arenee Fanchon Teena [City of St. Petersburg, FL (United States)

    2016-09-01

    In keeping with its designation as being Florida’s first “Green City”, the City's primary purpose of this project is to process and dispose of biosolids and yard wastes in a manner that results in the production of thermal, electrical, gas, or some other form of energy. This project was completed in two budget periods. Budget period one of the project consisted of a feasibility evaluation to determine potential applicable technologies, budget period two consisted of project design.

  5. Sustainable energy conversion: fuel cells — the competitive option?

    Science.gov (United States)

    Hart, D.

    The definition of sustainability is still under discussion, but it is becoming increasingly clear that present practices of energy supply and distribution are causing severe environmental pressures, and that they cannot be continued indefinitely. The fuel cell has been undergoing rapid development and is now at a stage immediately prior to commercialisation for a number of markets. It is expected to be economically competitive with many other energy conversion technologies within the next 5 years. However, introduction of the fuel cell may also speed the economic introduction of emissions-free energy carriers such as hydrogen, linking directly to renewably generated electricity. Hydrogen could be used as a form of energy storage in cases where electricity demand and supply were not matched. The fuel cell would then be complementary to, rather than competitive with, renewable generation technologies. Ultimately, the fuel cell, in both its high and low-temperature derivatives, could become one of the pillars of a future sustainable energy system.

  6. Nordic Energy Technologies : Enabling a sustainable Nordic energy future

    Energy Technology Data Exchange (ETDEWEB)

    Vik, Amund; Smith, Benjamin

    2009-10-15

    A high current Nordic competence in energy technology and an increased need for funding and international cooperation in the field are the main messages of the report. This report summarizes results from 7 different research projects relating to policies for energy technology, funded by Nordic Energy Research for the period 2007-2008, and provides an analysis of the Nordic innovation systems in the energy sector. The Nordic countries possess a high level of competence in the field of renewable energy technologies. Of the total installed capacity comprises a large share of renewable energy, and Nordic technology companies play an important role in the international market. Especially distinguished wind energy, both in view of the installed power and a global technology sales. Public funding for energy research has experienced a significant decline since the oil crisis of the 1970s, although the figures in recent years has increased a bit. According to the IEA, it will require a significant increase in funding to reduce greenhouse gas emissions and limit further climate change. The third point highlighted in the report is the importance of international cooperation in energy research. Nordic and international cooperation is necessary in order to reduce duplication and create the synergy needed if we are to achieve our ambitious policy objectives in the climate and energy issue. (AG)

  7. Catalytic Science and Technology in Sustainable Energy II

    DEFF Research Database (Denmark)

    Wang, Yuxin; Xiao, Feng-Shou; Seshan, Kulathu K.

    2017-01-01

    This special issue of Catalysis Today results from four sessions, under the collective theme "Catalysis in Sustainable Energy", of the 2ndInternational Symposium on Catalytic Science and Technology in Sustainable Energy and Environment, held in Tianjin, China during October 12-14, 2016. This bien...... whom the special issue would not have been possible. As the organizer of the EECAT 2016, Y Li expresses his special gratitude to the sponsors, especially Haldor Topsoe and Synfuels China, the participants and the co-organizers for their great contribution to the success of EECAT 2016....

  8. Energy policies for sustainable livelihoods and sustainable development of poor areas in China

    Energy Technology Data Exchange (ETDEWEB)

    Fan Jie [Key Laboratory of Regional Sustainable Development Modeling, Chinese Academy of Sciences, Beijing 100101 (China); Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101 (China); Liang Yutian; Tao Anjun [Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101 (China); Graduate University, Chinese Academy of Sciences, Beijing 100049 (China); Sheng Kerong [Shandong University of Technology, Shandong 255049 (China); Ma Hailong [Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101 (China); Graduate University, Chinese Academy of Sciences, Beijing 100049 (China); Xu Yong; Wang Chuansheng [Key Laboratory of Regional Sustainable Development Modeling, Chinese Academy of Sciences, Beijing 100101 (China); Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101 (China); Sun Wei, E-mail: sunw@igsnrr.ac.c [Key Laboratory of Regional Sustainable Development Modeling, Chinese Academy of Sciences, Beijing 100101 (China); Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101 (China)

    2011-03-15

    Focusing on the sustainable livelihoods of rural households and regional sustainable development, this research takes Yan'an at the upper reaches of Yellow River and Zhaotong at mid-upper reaches of the Yangtze River as the study areas, extracts the central affecting factors of energy consumption and characteristic indexes of energy zoning based on 1560 rural household questionnaires of 85 villages in 4 counties (districts) and database analysis of socio-economic development, conducts energy zoning for the poor areas in China, and puts forward specific supporting policies for each type of zone. The research finds that (1) the study areas are found to have the following energy consumption characteristics: low per capita energy consumption (merely 1/4 of the national average), with energy consumption for non-production purposes taking up the main part (more than 70%), high proportion of non-commercial energy, i.e. firewood, straw, etc. (more than 45%), low utilization rate of such new energy resources as biogas, solar energy, etc. (lower than 2% in high mountain regions), remarkable differentiation of vertical and horizontal zonality, etc. (2) Physical conditions like temperature and topography, socio-economic factors, i.e. income of rural households, energy endowment, transportation conditions, and institutional factors like policy support are the major affecting factors of energy consumption and characteristic indexes of energy policy zoning. (3) According to the characteristic index evaluation and matrix classification of both the suitability for energy development and types of regional energy endowment, the poor areas in China can be divided into three energy policy-oriented zones, i.e. network-based centralized energy supply zone, diversified energy utilization zone, and new energy utilization zone. - Research highlights: {yields}Energy consumption characteristics of the study areas are as follows: low per capita energy consumption, high proportion of non

  9. Sustainable Energy in Remote Indonesian Grids. Accelerating Project Development

    Energy Technology Data Exchange (ETDEWEB)

    Hirsch, Brian [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Burman, Kari [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Davidson, Carolyn [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Elchinger, Michael [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Hardison, R. [Winrock International, Little Rock, AR (United States); Karsiwulan, D. [Winrock International, Little Rock, AR (United States); Castermans, B. [Winrock International, Little Rock, AR (United States)

    2015-06-30

    Sustainable Energy for Remote Indonesian Grids (SERIG) is a U.S. Department of Energy (DOE) funded initiative to support Indonesia’s efforts to develop clean energy and increase access to electricity in remote locations throughout the country. With DOE support, the SERIG implementation team consists of the National Renewable Energy Laboratory (NREL) and Winrock International’s Jakarta, Indonesia office. Through technical assistance that includes techno-economic feasibility evaluation for selected projects, government-to-government coordination, infrastructure assessment, stakeholder outreach, and policy analysis, SERIG seeks to provide opportunities for individual project development and a collective framework for national replication office.

  10. Energy supply options for climate change mitigation and sustainable development

    Energy Technology Data Exchange (ETDEWEB)

    Dobran, Flavio

    2010-09-15

    Modern society is dependent on fossil fuels for its energy needs, but their combustion is producing emissions of greenhouse gases that cause global warming. If these emissions remain unconstrained they risk of producing significant impacts on humanity and ecosystems. Replacement of fossil fuels with alternative energy sources can stabilize anthropogenic global warming and thus reduce the climate change impacts. The deployment of alternative energy supply technologies should be based on objectives that are consistent with sustainability indicators and incorporate quantitative risk assessment multiattribute utility decision methodologies capable of ascertaining effective future energy supply options.

  11. Energy, sustainability and the environment technology, incentives, behavior

    CERN Document Server

    2011-01-01

    The complexity of carbon reduction and economic sustainability is significantly complicated by competing aspects of socioeconomic practices as well as legislative, regulatory, and scientific requirements and protocols. An easy to read and understand guide, Sioshansi, along with an international group of contributors, moves through the maze of carbon reduction methods and technologies, providing steps and insights to meet carbon reduction requirements and maintaining the health and welfare of the firm. The book's three part treatment is based on a clear and rigorous exposition of a wide range of options to reduce the carbon footprint Part 1 of the book, Challenge of Sustainability, examines the fundamental drivers of energy demand - economic growth, the need for basic energy services, and the interdependence of economic, political, environmental, social, equity, legacy and policy issues. Part 2 of the book, Technological Solutions, examines how energy can be used to support basic energy service needs of homes...

  12. Systemic aspects of the transition to sustainable energy

    Science.gov (United States)

    Schlögl, R.

    2015-08-01

    The supply of free energy to our societies is today an intricate system comprising the regimes of technologies, regulatory frameworks, socio-economic impacts and techno-ecological interactions. As a consequence it is challenging to define clear directions or even device a master plan for the transformation of a single national energy system into a sustainable future. Even the term "sustainable" needs extensive discussion in this context that should not be defined solely in technological or ecological senses. The contribution illustrates some of the elements of the energy system and their interdependencies. It will become clear that multiple reasons exist to change the traditional generation and use of energy even when climate protection is not a sufficiently strong argument for a change.

  13. Portfolio-Scale Optimization of Customer Energy Efficiency Incentive and Marketing: Cooperative Research and Development Final Report, CRADA Number CRD-13-535

    Energy Technology Data Exchange (ETDEWEB)

    Brackney, Larry J. [National Renewable Energy Lab. (NREL), Golden, CO (United States)

    2016-02-17

    North East utility National Grid (NGrid) is developing a portfolio-scale application of OpenStudio designed to optimize incentive and marketing expenditures for their energy efficiency (EE) programs. NGrid wishes to leverage a combination of geographic information systems (GIS), public records, customer data, and content from the Building Component Library (BCL) to form a JavaScript Object Notation (JSON) input file that is consumed by an OpenStudio-based expert system for automated model generation. A baseline model for each customer building will be automatically tuned using electricity and gas consumption data, and a set of energy conservation measures (ECMs) associated with each NGrid incentive program will be applied to the model. The simulated energy performance and return on investment (ROI) will be compared with customer hurdle rates and available incentives to A) optimize the incentive required to overcome the customer hurdle rate and B) determine if marketing activity associated with the specific ECM is warranted for that particular customer. Repeated across their portfolio, this process will enable NGrid to substantially optimize their marketing and incentive expenditures, targeting those customers that will likely adopt and benefit from specific EE programs.

  14. Consumer-oriented Sustainable Energy Concepts; Consumentgerichte Duurzame Energieconcepten

    Energy Technology Data Exchange (ETDEWEB)

    Kuiper, H.J. [Universiteit Twente UT, Enschede (Netherlands)

    2009-10-15

    A study on the willingness of potential buyers of newly built houses to invest in energy efficient systems in order to realize a sustainable dwelling [Dutch] Een onder zoek naar de bereidheid van potentiele kopers van nieuwbouw woningen tot het investeren in energetische systemen om te komen tot een duurzame woning.

  15. Increase in buildings sustainability by using renewable materials and energy

    Energy Technology Data Exchange (ETDEWEB)

    Milutiene, Edita [Kaunas University of Technology, Institute of Environmental Engineering, Kaunas (Lithuania); Lithuanian Solar Energy Association, Kaunas (Lithuania); Straw Houses Builders' Association, Kaunas (Lithuania); Staniskis, Jurgis K. [Kaunas University of Technology, Institute of Environmental Engineering, Kaunas (Lithuania); Krucius, Audrys [Straw Houses Builders' Association, Kaunas (Lithuania); JSK ' ' Ecococon' ' , Kaunas (Lithuania); Auguliene, Vida [Lithuanian Hydrometeorological Service under the Ministry of Environment of the Republic of Lithuania, Kaunas (Lithuania); Ardickas, Daumilas [University of Cambridge, Girton College, Cambridge (United Kingdom)

    2012-12-15

    Sustainable development could be seen as indispensable condition for survival of civilization. Construction sector is a field with immediate need for reducing environmental impacts. Sustainability measures applied for buildings could produce very efficient results to the people. The paper provides the methods of construction sustainability increase by researching, developing, and applying the technologies which use renewable materials and energy. The paper analyzes the cases of both a solar eco house which was built of original prefabricated straw-bale panels and was designed to use direct solar energy; and an educational project promoting straw-bale construction and seeking to mitigate climate change. The project results have shown the need of spreading information on sustainable building methods to be accepted by wider society and to be applied to the construction industry. Monitoring of solar ecohouse has proved that direct solar energy gains are significant in reducing heating degree-days in 55 N latitude and in allowing to save half the energy needed for heating. (orig.)

  16. Local Sustainable Energy Assessment Report of Quang Tri in Vietnam

    DEFF Research Database (Denmark)

    Andersen, Jan; Lund, Søren

    The publication reports a sustainable energy assessment at the local project site of the HighARCS project in Nainital, Uttarakhand and Buxa, West Bengal, India. The assessment has been made as a contribution to the elaboration of biodiversity conservation and livelihoods improvement action plans...

  17. Local Sustainable Energy Assessment of Uttarakhand and West Bengal

    DEFF Research Database (Denmark)

    Andersen, Jan; Lund, Søren

    The publication reports a sustainable energy assessment at the local project site of the HighARCS project in Nainital, Uttarakhand and Buxa, West Bengal, India. The assessment has been made as a contribution to the elaboration of biodiversity conservation and livelihoods improvement action plans...

  18. In-School Sustainability Action: Climate Clever Energy Savers

    Science.gov (United States)

    Buchanan, John; Schuck, Sandy; Aubusson, Peter

    2016-01-01

    The mandate for living sustainably is becoming increasingly urgent. This article reports on the Climate Clever Energy Savers (CCES) Program, a student-centred, problem- and project-based program in New South Wales, Australia, aimed at enabling school students to identify ways of reducing their schools' electricity consumption and costs. As part of…

  19. Sustainable energy systems : Limitations and challenges based on exergy analysis

    NARCIS (Netherlands)

    Verkooijen, A.H.M.; Woudstra, N.

    General There is a general understanding that the so-called “developed countries” have to change their way of life including their energy supply into a more sustainable way. But even in the case of unanimity with regard to the direction, there are still many opinions about the way to follow. This

  20. Sustainable energy systems : Limitations and challenges based on exergy analysis

    NARCIS (Netherlands)

    Woudstra, N.

    2012-01-01

    General There is a general understanding that the so-called “developed countries” have to change their way of life including their energy supply into a more sustainable way. But even in the case of unanimity with regard to the direction, there are still many opinions about the way to follow. This

  1. Low Energy Flow - The Path Towards Sustainable Development

    DEFF Research Database (Denmark)

    Nørgaard, Jørgen

    1996-01-01

    The global economy will in the near future have to adapt to its dependence on the limited ecological system. Only renewable energy sources can provide a truly sustainable supply of energy. In an environmental ranking of the various energy options, it is pointed out, however, that also the use...... of renewable energy sources can be unsustainable and otherwise damaging to the environment, if vigorously exploited. Since the energy saving options are more gentle to the environment than any supply options, we will be better off by keeping energy consumption very low. Technological efficiency can lower...... energy consumption by a factor three to five. But it is stressed, that these efficiency gains can easily be eaten up by decline in efficiencies in the ways we conduct our lifestyles and run our economies. To apply such an overall effciency view, however, turns out to pose a threat to the presently...

  2. Sustainable Energy Development: The Key to a Stable Nigeria

    Directory of Open Access Journals (Sweden)

    Kalu Uduma

    2010-06-01

    Full Text Available This paper proposes the use of sustainable energy systems based on solar and biomass technologies to provide solutions to utility challenges in Nigeria and acute water shortage both in rural and urban areas of that country. The paper highlights the paradoxes of oil-rich Nigeria and the stark reality of social infrastructure deprivations in that country. Perennial power outages over many years have translated to the absence of or poorly-developed basic social infrastructures in Nigeria. The consequences of this lack have been an increase in abject poverty in rural and urban communities as well as the erosion of social order and threats to citizen and their property. This paper proposes the adaptation of two emerging technologies for building sustainable energy systems and the development of decentralized and sustainable energy sources as catalyst for much-needed social infrastructure development through the creation of Renewable Energy Business Incubators, creative lending strategies, NGO partnerships and shifting energy-distribution responsibilities. These changes will stimulate grassroots economies in the country, develop large quantities of much needed clean water, maintain acceptable standards of sanitation and improve the health and wellbeing of Nigerian communities. The proposed strategies are specific to the Nigerian context; however, the authors suggest that the same or similar strategies may provide energy and social infrastructure development solutions to other developing countries as well.

  3. Limitations of Nuclear Power as a Sustainable Energy Source

    Directory of Open Access Journals (Sweden)

    Joshua M. Pearce

    2012-06-01

    Full Text Available This paper provides a review and analysis of the challenges that nuclear power must overcome in order to be considered sustainable. The results make it clear that not only do innovative technical solutions need to be generated for the fundamental inherent environmental burdens of nuclear energy technology, but the nuclear industry must also address difficult issues of equity both in the present and for future generations. The results show that if the concept of just sustainability is applied to the nuclear energy sector a global large-scale sustainable nuclear energy system to replace fossil fuel combustion requires the following: (i a radical improvement in greenhouse gas emissions intensity by improved technology and efficiency through the entire life cycle to prevent energy cannibalism during rapid growth; (ii the elimination of nuclear insecurity to reduce the risks associated with nuclear power so that the free market can indemnify it without substantial public nuclear energy insurance subsidies; (iii the elimination of radioactive waste at the end of life and minimization of environmental impact during mining and operations; and (iv the nuclear industry must regain public trust or face obsolescence as a swarm of renewable energy technologies quickly improve both technical and economic performance.

  4. Sustaining Action and Optimizing Entropy: Coupling Efficiency for Energy and the Sustainability of Global Ecosystems

    Science.gov (United States)

    Rose, Michael T.; Crossan, Angus N.; Kennedy, Ivan R.

    2008-01-01

    Consideration of the property of action is proposed to provide a more meaningful definition of efficient energy use and sustainable production in ecosystems. Action has physical dimensions similar to angular momentum, its magnitude varying with mass, spatial configuration and relative motion. In this article, the relationship of action to…

  5. Combined Heat and Power: Effective Energy Solutions for a Sustainable Future

    Energy Technology Data Exchange (ETDEWEB)

    Shipley, Ms. Anna [Sentech, Inc.; Hampson, Anne [Energy and Environmental Analysis, Inc., an ICF Company; Hedman, Mr. Bruce [Energy and Environmental Analysis, Inc., an ICF Company; Garland, Patricia W [ORNL; Bautista, Paul [Sentech, Inc.

    2008-12-01

    Combined Heat and Power (CHP) solutions represent a proven and effective near-term energy option to help the United States enhance energy efficiency, ensure environmental quality, promote economic growth, and foster a robust energy infrastructure. Using CHP today, the United States already avoids more than 1.9 Quadrillion British thermal units (Quads) of fuel consumption and 248 million metric tons of carbon dioxide (CO{sub 2}) emissions annually compared to traditional separate production of electricity and thermal energy. This CO{sub 2} reduction is the equivalent of removing more than 45 million cars from the road. In addition, CHP is one of the few options in the portfolio of energy alternatives that combines environmental effectiveness with economic viability and improved competitiveness. This report describes in detail the four key areas where CHP has proven its effectiveness and holds promise for the future as an: (1) Environmental Solution: Significantly reducing CO{sub 2} emissions through greater energy efficiency; (2) Competitive Business Solution: Increasing efficiency, reducing business costs, and creating green-collar jobs; (3) Local Energy Solution: Deployable throughout the US; and (4) Infrastructure Modernization Solution: Relieving grid congestion and improving energy security. CHP should be one of the first technologies deployed for near-term carbon reductions. The cost-effectiveness and near-term viability of widespread CHP deployment place the technology at the forefront of practical alternative energy solutions such as wind, solar, clean coal, biofuels, and nuclear power. Clear synergies exist between CHP and most other technologies that dominate the energy and environmental policy dialogue in the country today. As the Nation transforms how it produces, transports, and uses the many forms of energy, it must seize the clear opportunity afforded by CHP in terms of climate change, economic competitiveness, energy security, and infrastructure

  6. China's Outward Direct and Portfolio Investments

    Institute of Scientific and Technical Information of China (English)

    Hung-Gay Fung; Qingfeng Wilson Liu; Erin H. C. Kao

    2007-01-01

    This paper analyzes developments and trends related to China's outward direct and financial investments by examining Chinese firms' overseas acquisitions, China's holdings of US Treasury securities, and the recently formally launched Qualified Domestic Institutional Investor programs. Strategies should be developed to reach optimal decisions for both direct and portfolio investments. We argue that China should have a longer-term view for both direct and portfolio investments, enabling China to become the leader in Asia while maintaining its sustainable growth objective. China should invest heavily in the development of the Asian bond market and the Asian Currency Fund when making both portfolio and direct investment decisions.

  7. Measures for sustainable energy in the livestock farming industry; Maatregelen duurzame energie veehouderijsector

    Energy Technology Data Exchange (ETDEWEB)

    Schellekens, J. [DLV Bouw Milieu en Techniek, Uden (Netherlands)

    2010-07-15

    The sectors of pig farming, poultry farming and veal farming have been examined for sustainable energy deployment options in agricultural businesses. These are systems are ready for practice and to be used by individual businesses. Background information is provided on energy saving, deployment of photovoltaic energy, solar collectors, biomass incineration, heat pumps, air conditioning with ground water, and practical experiences in the deployment of sustainable energy systems. Moreover, an overview is given of subsidies and fiscal opportunities for sustainable energy deployment by agricultural businesses [Dutch] Voor de sectoren varkenshouderij, pluimveehouderij en vleeskalverhouderij is onderzocht wat de toepassingsmogelijkheden zijn van duurzame energie (DE) op agrarische bedrijven. Het betreft systemen welke praktijkrijp zijn en te gebruiken op individuele bedrijven. Er wordt achtergrondinformatie gegeven over energiebesparing, toepassen van photovoltaische energie, zonnecollectoren, verbranden van biomassa, warmtepompen, luchtconditionering met grondwater, praktijkervaringen in de toepassing van duurzame energiesystemen. Ook wordt een overzicht geven van subsidies en fiscale mogelijkheden voor toepassen van DE-systemen op agrarische bedrijven.

  8. China. Top Sector Energy. Sustainable Building. Opportunities for Dutch companies

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-08-15

    For China, sustainable design is necessary for controlling energy usage in crowded and constantly expanding urban areas. It is well known that China is the world's biggest construction market. Nearly half of the new buildings annually constructed worldwide are located in China by 2015. However, only about 4% of these are built according to energy efficiency standards. China's construction market will by 2020 account for 40% of the country's total energy consumption. While it contributes 15% of the world's GDP, China consumes 30% of the earth's steel and half its concrete. On top of which, buildings in China consume a third of the country's increasingly endangered water supplies. Recent research showed that almost half of the national energy consumption has been used for construction related purposes. Of existing buildings, a huge amount needs sustainable redesign and retrofitting technologies.Chinese government has recognized the urgency of widely implementing sustainable buildings. As a result, a national 3-star China National Green Building rating system has been launched in 2006. Yet the Chinese green building revolution is still in its infancy. Main problems are, amongst others, low level of regulations and standards, problematic implementations at local level, lack of awareness and transparency in related public and private sector, lack of expertise of integrated sustainable building design and construction among engineers, designers and constructors. It is also to be expected that more aggressive energy saving and environmental protection targets will be set by the 12th Five Year Plan. Promote green buildings will be one of the top priorities in China's swift urbanization process with focus on saving land, energy, water and materials. Chinese government has recognized the urgency of widely implementing sustainable buildings. Yet the Chinese green building revolution is still in its infancy. Under this framework, the

  9. Functional materials for sustainable energy technologies: four case studies.

    Science.gov (United States)

    Kuznetsov, V L; Edwards, P P

    2010-01-01

    The critical topic of energy and the environment has rarely had such a high profile, nor have the associated materials challenges been more exciting. The subject of functional materials for sustainable energy technologies is demanding and recognized as a top priority in providing many of the key underpinning technological solutions for a sustainable energy future. Energy generation, consumption, storage, and supply security will continue to be major drivers for this subject. There exists, in particular, an urgent need for new functional materials for next-generation energy conversion and storage systems. Many limitations on the performances and costs of these systems are mainly due to the materials' intrinsic performance. We highlight four areas of activity where functional materials are already a significant element of world-wide research efforts. These four areas are transparent conducting oxides, solar energy materials for converting solar radiation into electricity and chemical fuels, materials for thermoelectric energy conversion, and hydrogen storage materials. We outline recent advances in the development of these classes of energy materials, major factors limiting their intrinsic functional performance, and potential ways to overcome these limitations.

  10. New Systems Thinking and Policy Means for Sustainable Energy Development

    DEFF Research Database (Denmark)

    Meyer, Niels I.

    2011-01-01

    Sustainable energy development requires attention to both the demand and supply side. On the demand side there is an urgent need for efficient policy means promoting energy conservation. This includes changes in the institutional and economic framework to compensate for the short comings...... of the dominating neoclassical economy and the short time horizon of the present market system. On the supply side fossil fuels are becoming a central problem being the dominating global energy source while at the same time presenting serious problems in relation to global warming and limited resources (“peak oil...

  11. New Systems Thinking and Policy Means for Sustainable Energy Development

    DEFF Research Database (Denmark)

    Meyer, Niels I

    2010-01-01

    Sustainable energy development requires attention to both the demand and supply side. On the demand side there is an urgent need for efficient policy means promoting energy conservation. This includes changes in the institutional and economic framework to compensate for the short comings...... of the dominating neoclassical economy and the short time horizon of the present market system. On the supply side fossil fuels are becoming a central problem being the dominating global energy source while at the same time presenting serious problems in relation to global warming and limited resources (“peak oil...

  12. Sustainability and energy self-sufficiency; overcoming the barriers

    Directory of Open Access Journals (Sweden)

    Rania Abdel Galil

    2015-12-01

    Full Text Available Engendering more positive attitudes to renewable energy is by no means a simple feat. Renewable energy technologies are viewed as radical innovations which necessitate substantial changes in production and consumption patterns, hence often met with resistance from both institutions and individuals. Yet action is needed; global energy consumption is expected to rise by 41% and global carbon dioxide emissions by 29%, with most of the demand and rise coming from emerging economies (BP energy outlook 2035. Further, countries need to meet objectives of reduction of GHG under the United Nations Framework Convention on Climate Change. Renewable energy share in the global energy mix needs to significantly increase in order to reach supply sufficiency, energy security, energy equity and environmental sustainability.Meeting demands of energy is critical for the economic and social development of any country; energy must be secure, accessible and affordable at all levels of society, and any negative impact of energy production and energy use on the environment must be minimized. Middle East energy consumption is expected to grow by 69% whilst production to grow by 32%, with 97% of demand still met by fossil fuels by the end of the 2035. Energy investment of $316 billion will be required in the Middle East and North Africa (MENA between 2015 and 2019 to meet its growing demand for power (Apicorp, 2014. Diversifying energy sources is indeed of interest in the MENA region, spurred by growing demand for power and desalinated water, fluctuating fuel price, GHG emission reduction targets, depleting fossil fuel reserves and advances in renewable energy technology. However, there are many barriers that hinder the adoption of renewable energy technologies worldwide, but more so in the MENA region. These barriers are political, economic, social and technological. With a focus on Europe and MENA, it can be said that these barriers have much in common albeit framing

  13. Multi-Criteria Evaluation of Energy Systems with Sustainability Considerations

    Directory of Open Access Journals (Sweden)

    Despoina E. Keramioti

    2010-04-01

    Full Text Available A multi-criteria approach is presented for the assessment of alternative means for covering the energy needs (electricity and heat of an industrial unit, taking into consideration sustainability aspects. The procedure is first described in general terms: proper indicators are defined; next they are grouped in order to form sub-indices, which are then used to determine the composite sustainability index. The procedure is applied for the evaluation of three alternative systems. The three systems are placed in order of preference, which depends on the criteria used. In addition to conclusions reached as a result of the particular case study, recommendations for future work are given.

  14. Sustainable Systems Analysis of Production and Transportation Scenarios for Conventional and Bio-based Energy Commodities

    Science.gov (United States)

    Doran, E. M.; Golden, J. S.; Nowacek, D. P.

    2013-12-01

    commerce. To demonstrate the usefulness of the framework, we construct several scenarios as case studies to explore the emerging trends of larger ship deployment and the changing portfolio of energy resources including the increased consumption of bio-based energy. The maritime transportation industry remains heavily reliant on fossil fuels to power transport, while energy, mineral and grain remain the largest bulk commodities shipped. Emerging markets for such commodities, as well as new production methods and locations are considered. We overlay these trends and shifts with ecological areas of concern and biological migration routes. The diversity of governance regimes is also considered to produce a clearer picture of the emerging hot-spots for further study and for the synergies and tradeoffs that must be considered to achieve a sustainable ocean system. References Turner BL, Lambin EF, Reenberg A (2007) Proc Natl Acad Sci, (104):20666-20671. UN Trade and Development Board (2013) Recent developments and trends in international maritime transport affecting trade of developing countries, TD/B/C.1/30.

  15. Enhancing energy security in Malayia: the challenges towards sustainable environment

    Science.gov (United States)

    Sahid, E. J. M.; Siang, C. Ch; Peng, L. Y.

    2013-06-01

    Energy is known as one of the essential ingredients for economic development and security of energy supply is crucial in ensuring continuous economic development of a country. Malaysia's proven domestic oil reserves are estimated to last for another 25 years, while that of gas for another 39 years as of 2011. Despite the depleting indigenous energy resources, the primary energy demand has continued to grow robustly, at an annual rate of 6.3 percent per year from 1990 to 2010, while the primary energy import has grown 7.2% per year and the primary energy export has grown at a slower rate of 1.9% per year. This worrying trend is further compounded by the faster rate of primary oil import averaging 10.5% per year while the primary energy export has shrink at a rate of 1.4% per year. This paper has identified two main concerns namely overdependence on fossil fuel and increasing energy import dependency in creating a precarious position towards energy self-sufficiency. The study will analyse the energy security of the country and explore possible options and challenges in enhancing the energy supply security toward sustainable environment.

  16. FIRE and Diversified International Portfolio

    Science.gov (United States)

    Meade, Dale

    2002-11-01

    The achievement of an attractive fusion energy using magnetic confinement requires significant advances in several key areas of plasma physics and technology including: self-heated plasmas in advanced configurations, steady-state plasma confinement of high-b plasmas, plasma wall interactions at high power density and the associated plasma and nuclear technologies. A diversified international portfolio is described that would allow the early resolution of key feasibility issues for fusion. FIRE, a national design study of a next step experiment is underway to develop and assess near term opportunities for addressing the burning plasma physics issues identified above. The emphasis is on exploring and understanding the behavior of plasmas dominated by self-heating (Palpha/Pext 2) that are sustained for a duration comparable to characteristic plasma time scales (>= 10τ_E, ˜ τ_SKIN . The study has focused on a compact, high-field, cryogenic-copper-magnet, highly-shaped tokamak with the parameters: Ro = 2.14m, a= 0.595m, double-null-divertor with helium pumping, Bt(Ro) = 10 T, and Ip = 7.7 MA and flat top time 20 s ( 20 τE and 2 τ_SKIN). The results of the study (http://fire.pppl.gov) including advanced tokamak modes and areas needing additional work will be discussed. Work supported by DOE Contract # DE-AC02-76CH0 3073.

  17. Sustainable utilisation of forest biomass for energy - Possibilities and problems

    DEFF Research Database (Denmark)

    Stupak, I.; Asikainen, A.; Jonsell, M.

    2007-01-01

    The substitution of biomass for fossil fuels in energy consumption is a measure to mitigate global warming, as well as having other advantages. Political action plans for increased use exist at both European and national levels. This paper briefly reviews the contents of recommendations. guidelines....... and other synthesis publications on Sustainable use of forest biomass for energy. Topics are listed and an overview of advantages. disadvantages, and trade-offs between them is given, from the viewpoint of society in general and the forestry or the Nordic and Baltic countries, the paper also identifies...... the extent to which wood for energy is and energy sectors in particular. F included in forest legislation and forest certification standards under the "Programme for the Endorsement of Forest Certification" (PEFC) and the "Forest Stewardship Council" (FSC) schemes. Energy and forest policies at EU...

  18. Heat Saving Strategies in Sustainable Smart Energy Systems

    DEFF Research Database (Denmark)

    Lund, Henrik; Thellufsen, Jakob Zinck; Aggerholm, Søren

    One of the important issues related to the implementation of future sustainable smart energy systems based on renewable energy sources is the heating of buildings. Especially, when it comes to long‐term investment in savings and heating infrastructures it is essential to identify long‐term least...... that a least‐cost strategy will be to provide approximately 2/3 of the heat demand from district heating and the rest from individual heat pumps. Keywords: Energy Efficiency, Renewable energy, Heating strategy, Heat savings, District heating, Smart energy......‐cost strategies. With Denmark as a case, this paper investigates to which extent heat should be saved rather than produced and to which extent district heating infrastructures, rather than individual heating solutions, should be used. Based on a concrete proposal to implement the Danish governmental long...

  19. Energy options from the 20th Century: Comparing Conventional and Nuclear Energy from a Sustainable Standpoint

    Directory of Open Access Journals (Sweden)

    Eric Ndeh Mboumien Ngang

    2012-12-01

    Full Text Available Different Energy options have been the driving force for the world economy with an evolution in types and sources. Decades ago choosing what energy option to use did not call for much debate as issues of sustainability, pressure on our environment, and our climate were not a major concern. However today, humans have to grapple with these current global challenges especially those exacerbated by our current sources of energy. The review article argues that science and sustainability thinking should be the basis for making the choice about what energy option is suitable for our era. It proposes that a more fruitful discourse should follow from a dialogue that puts in place the set of sustainability indicators and evaluating the suitability of the options for our era in that context. Focusing on two energy options; conventional and nuclear energy; the review compares them based on a set of sustainability indicators including, but not limited to, the environment, economics, ethics, expertise requirements, technical information, health, safety, uncertainty and government funding. In trying to answer the question Unsustainable conventional energy sources, is nuclear energy similar?, the review concludes that despite the demerits of nuclear energy, it is the solution to meet the world’s growing energy needs and to reverse the impending threat posed by climate change if research and development efforts in the sector are accelerated.

  20. Sustainable Energy for All and the private sector

    Energy Technology Data Exchange (ETDEWEB)

    Bellanca, Raffaella; Wilson, Emma

    2012-06-15

    The UN's Sustainable Energy for All initiative (SE4ALL) has a strong focus on the private sector to deliver universal energy access, improved efficiency and increased investment in renewable energy. Leading private sector associations have bought into SE4ALL, including the World Business Council for Sustainable Development (WBCSD) and the Global Compact. However, critics argue that SE4ALL is focusing too much on large-scale infrastructure investment and is missing opportunities to stimulate enterprise more locally and to benefit the poorest. The private sector – including large and smaller-scale businesses, both local and international – is keen to get involved in energy access in low-income markets and sees the value of an initiative such as SE4ALL. Yet some feel that SE4ALL is failing to engage all levels of the private sector effectively. To deliver universal energy access, SE4ALL needs to address the lack of finance for enterprises and end users, especially in untested markets; infrastructure and support services for new businesses; local skills, capacity and information about workable models; and favourable policy frameworks. With the right incentives, business can open up low-income markets by providing lifeimproving services to emerging middle class populations who are still excluded from energy access. To reach the poorest SE4ALL can promote private sector partnerships with government and NGOs, encourage corporate responsibility initiatives and support social entrepreneurs.

  1. Project Portfolio Management Software

    OpenAIRE

    Paul POCATILU

    2006-01-01

    In order to design a methodology for the development of project portfolio management (PPM) applications, the existing applications have to be studied. This paper describes the main characteristics of the leading project portfolio management software applications.

  2. Beyond Renewable Portfolio Standards: An Assessment of Regional Supply and Demand Conditions Affecting the Future of Renewable Energy in the West; Report and Executive Summary

    Energy Technology Data Exchange (ETDEWEB)

    Hurlbut, D. J.; McLaren, J.; Gelman, R.

    2013-08-01

    This study assesses the outlook for utility-scale renewable energy development in the West once states have met their renewable portfolio standard (RPS) requirements. In the West, the last state RPS culminates in 2025, so the analysis uses 2025 as a transition point on the timeline of RE development. Most western states appear to be on track to meet their final requirements, relying primarily on renewable resources located relatively close to the customers being served. What happens next depends on several factors including trends in the supply and price of natural gas, greenhouse gas and other environmental regulations, consumer preferences, technological breakthroughs, and future public policies and regulations. Changes in any one of these factors could make future renewable energy options more or less attractive.

  3. Bio-Inspired Optimization of Sustainable Energy Systems: A Review

    Directory of Open Access Journals (Sweden)

    Yu-Jun Zheng

    2013-01-01

    Full Text Available Sustainable energy development always involves complex optimization problems of design, planning, and control, which are often computationally difficult for conventional optimization methods. Fortunately, the continuous advances in artificial intelligence have resulted in an increasing number of heuristic optimization methods for effectively handling those complicated problems. Particularly, algorithms that are inspired by the principles of natural biological evolution and/or collective behavior of social colonies have shown a promising performance and are becoming more and more popular nowadays. In this paper we summarize the recent advances in bio-inspired optimization methods, including artificial neural networks, evolutionary algorithms, swarm intelligence, and their hybridizations, which are applied to the field of sustainable energy development. Literature reviewed in this paper shows the current state of the art and discusses the potential future research trends.

  4. Situating Portfolios: Four Perspectives

    OpenAIRE

    Yancey, Kathleen Blake; Weiser, Irwin

    1997-01-01

    Yancey and Weiser bring together thirty-one writing teachers from diverse levels of instruction, institutional settings, and regions to create a stimulating volume on the current practice in portfolio writing assessment. Contributors reflect on the explosion in portfolio practice over the last decade, why it happened, what comes next; discuss portfolios in hypertext, the web, and other electronic spaces; and consider emerging trends and issues that are involving portfolios in teacher assessme...

  5. Building a professional portfolio.

    OpenAIRE

    Arhippainen, Mikko

    2016-01-01

    Building a professional portfolio is a thesis report with buiding a professional portfolio for the author with a background in graphic design and event management with main interest on aesthetics side. This report describes the main process of selecting materials, planning and actually producing the portfolio. In addition to the portfolio there is a chapter with inspection on LinkedIn and other social medias when planning for jobsearch. Altogether it is many channels and a combination of ...

  6. Intelligent DC Homes in Future Sustainable Energy Systems

    DEFF Research Database (Denmark)

    Diaz, Enrique Rodriguez; Quintero, Juan Carlos Vasquez; Guerrero, Josep M.

    2016-01-01

    distribution systems. As a consequence a lot of research has been done on DC distribution systems and its potential for residential applications. Furthermore, the increasing presence and used of smart devices in homes, reveal a promising future for intelligent homes, integrated in the Internet of Things...... concept, where the residential electrical power systems works in co-operation with the smart devices, in order to achieve a smarter, more sustainable, and cleaner energy systems....

  7. Energy, Transport, & the Environment Addressing the Sustainable Mobility Paradigm

    CERN Document Server

    King, Sir

    2012-01-01

    Sustainable mobility is a highly complex problem as it is affected by the interactions between socio-economic, environmental, technological and political issues. Energy, Transport, & the Environment: Addressing the Sustainable Mobility Paradigm brings together leading figures from business, academia and governments to address the challenges and opportunities involved in working towards sustainable mobility. Key thinkers and decision makers approach topics and debates including:   ·         energy security and resource scarcity ·         greenhouse gas and pollutant emissions ·         urban planning, transport systems and their management ·         governance and finance of transformation ·         the threats of terrorism and climate change to our transport systems.   Introduced by a preface from U.S. Secretary Steven Chu and an outline by the editors, Dr Oliver Inderwildi and Sir David King, Energy, Transport, & the Environment is divided into six secti...

  8. Bioarchitecture - a new vision of energy sustainable cities

    Science.gov (United States)

    Krzemińska, Alicja; Zaręba, Anna; Dzikowska, Anna

    2017-11-01

    Transformation of the natural environment will press the humanity to search for the new look at the problems of architecture and urban design. Nowadays passive houses construction is a standard and green roofs are incorporated in the design of contemporary cities. That's why city cluster will be successively transformed into sustainable bionic systems, which allows to protect the nature and stop further degradation and exploitation of public green space. The good examples of contemporary trend of designing in harmony with nature are energy sustainable underground buildings of Malcolm Wells, who in 60s designed his first energy sufficient construction. The underground cities and rock houses were built from the early beginning of architecture, with significant examples of cities: Sanmenxia in China in Henan Province, Matmata (Tunisia), Cappadocia (Turkey), Uplisciche (Georgia) or Brlhovce (Slovakia) etc. The underground buildings and cities, blending in with the background of topography, have a positive influence on the landscape and are energy sustainable. Climate responsive design materials create effective insulation, which allows to maintain the stable temperature inside the buildings. Bioarchitecture improves the microclimate in the neighborhood through increasing oxygen concentration in atmosphere and limiting of CO2 emission. Bioarchitecture represents new direction in changing the design priorities towards being closer with nature and it's needs.

  9. Sustainable energy catalogue - for European decision-makers. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Gram, S.; Jacobsen, Soeren

    2006-10-15

    The Green paper - A European Strategy for Sustainable, Competitive and Secure Energy, 2006 states that Europe has a rising dependency on imported energy reserves, which are concentrated in a few countries. The Rising gas and oil prices along with demands on lower emissions of CO2 adds pressure on the need for a new energy future for Europe. EU has since 1990 planned to become world leader in the renewable energy field. Therefore the EU member states have agreed that by 2010 21% of the consumed electricity and 5,75% of the consumed gasoline and diesel should originate from renewable energy sources. If the EU countries are to reach their goals, a commitment on several levels to develop and install energy from sustainable energy sources is needed. The purpose of this catalogue is to offer planners and decision-makers in EU states an inspirational tool to be used during local or regional transition towards sustainable energy technologies. The catalogue can also be used by everyone else who needs an overview of the sustainable energy technologies and their current development level and future potential, among others educational use is relevant. The catalogue provides an introduction to the following technologies that are already or are estimated to become central to a development with renewable energy in EU: Technologies for wind energy, wave energy, geothermal energy, bioenergy, solar energy, hydropower and fuel cells. The catalogue also includes a section about energy systems, which also includes a part about technologies for efficient use of energy. The catalogue could have included a few other technologies as e.g. heating pumps, but due to the size of the catalogue a priority was necessary. The catalogue does not claim to give all answers or to be complete regarding all details about the individual technologies; even so it offers information, which cannot easily be looked up on the Internet. In the back of the catalogue, under 'References and links' there

  10. Key Assets for a Sustainable Low Carbon Energy Future

    Science.gov (United States)

    Carre, Frank

    2011-10-01

    Since the beginning of the 21st century, concerns of energy security and climate change gave rise to energy policies focused on energy conservation and diversified low-carbon energy sources. Provided lessons of Fukushima accident are evidently accounted for, nuclear energy will probably be confirmed in most of today's nuclear countries as a low carbon energy source needed to limit imports of oil and gas and to meet fast growing energy needs. Future challenges of nuclear energy are then in three directions: i) enhancing safety performance so as to preclude any long term impact of severe accident outside the site of the plant, even in case of hypothetical external events, ii) full use of Uranium and minimization long lived radioactive waste burden for sustainability, and iii) extension to non-electricity energy products for maximizing the share of low carbon energy source in transportation fuels, industrial process heat and district heating. Advanced LWRs (Gen-III) are today's best available technologies and can somewhat advance nuclear energy in these three directions. However, breakthroughs in sustainability call for fast neutron reactors and closed fuel cycles, and non-electric applications prompt a revival of interest in high temperature reactors for exceeding cogeneration performances achievable with LWRs. Both types of Gen-IV nuclear systems by nature call for technology breakthroughs to surpass LWRs capabilities. Current resumption in France of research on sodium cooled fast neutron reactors (SFRs) definitely aims at significant progress in safety and economic competitiveness compared to earlier reactors of this type in order to progress towards a new generation of commercially viable sodium cooled fast reactor. Along with advancing a new generation of sodium cooled fast reactor, research and development on alternative fast reactor types such as gas or lead-alloy cooled systems (GFR & LFR) is strategic to overcome technical difficulties and/or political

  11. Sustainable energy and E-mobility at INEM

    Energy Technology Data Exchange (ETDEWEB)

    Gabele, Hugo; Panik, Ferdinand; Rising, David; Reiser, Stefan [Institut fuer nachhaltige Energietechnik und Mobilitaet, Esslingen-am-Neckar (Germany); Ziegler, Martin [HyLionTec GmbH, Stuttgart (Germany)

    2013-06-01

    The primary goal for the Institute for Sustainable Energy-Technology and Mobility is to provide students with hands-on experience in the field of alternative energy by means of R and D projects such as ''HydroSmart'' and ''Urban Buggy''. These projects, which lasted several semesters, have a special focus on practical skills and were particularly concerned with cost, functionality, engineering sophistication, customer satisfaction, and usability. In each case a final prototype was constructed, tested and presented. (orig.)

  12. Coping with climate change and China's wind energy sustainable development

    Directory of Open Access Journals (Sweden)

    De-Xin He

    2016-03-01

    Full Text Available Greenhouse gas emissions are the main cause of today's climate change. To address this problem, the world is in an era of new round energy transformation, and the existing energy structure is being reformed. In this paper, according to the Chinese government's action plan for coping with climate change, the China's wind energy sustainable development goals and development route are discussed, and the countermeasures and suggestions are put forward. Wind energy is currently a kind of important renewable energy with matured technology which can be scale-up developed and put into commercial application, and in this transformation, wind energy will play a key role with other non-fossil energy sources. The development and utilization of wind energy is a systematic project, which needs to be solved from the aspects of policy, technology and management. At present, China is in the stage of transferring from “large wind power country” to “strong wind power country”, opportunities and challenges coexist, and the advantages of China's socialist system could be fully used, which can concentrate power to do big things and make contribution in the process of realizing global energy transformation.

  13. Net-Zero-Energy Model for Sustainable Wastewater Treatment.

    Science.gov (United States)

    Yan, Peng; Qin, Rong-Cong; Guo, Jin-Song; Yu, Qiang; Li, Zhe; Chen, You-Peng; Shen, Yu; Fang, Fang

    2017-01-17

    A large external energy input prevents wastewater treatment from being environmentally sustainable. A net-zero-energy (NZE) wastewater treatment concept based on biomass energy recycling was proposed to avoid wasting resources and to promote energy recycling in wastewater treatment plants (WWTPs). Simultaneously, a theoretical model and boundary condition based on energy balance were established to evaluate the feasibility of achieving NZE in WWTPs; the model and condition were employed to analyze data from 20 conventional WWTPs in China. A total of six WWTPs can currently export excess energy, eight WWTPs can achieve 100% energy self-sufficiency by adjusting the metabolic material allocation, and six municipal WWTPs cannot achieve net-zero energy consumption based on the evaluation of the theoretical model. The NZE model offset 79.5% of the electricity and sludge disposal cost compared with conventional wastewater treatment. The NZE model provides a theoretical basis for the optimization of material regulation for the effective utilization of organic energy from wastewater and promotes engineering applications of the NZE concept in WWTPs.

  14. Future Transportation with Smart Grids and Sustainable Energy

    Directory of Open Access Journals (Sweden)

    Gustav R. Grob

    2009-10-01

    Full Text Available Transportation is facing fundamental change due to the rapid depletion of fossil fuels, environmental and health problems, the growing world population, rising standards of living with more individual mobility and the globalization of trade with its increasing international transport volume. To cope with these serious problems benign, renewable energy systems and much more efficient drives must be multiplied as rapidly as possible to replace the polluting combustion engines with their much too low efficiency and high fuel logistics cost. Consequently the vehicles of the future must be non-polluting and super-efficient, i.e. electric. The energy supply must come via smart grids from clean energy sources not affecting the health, climate and biosphere. It is shown how this transition to the clean, sustainable energy age is possible, feasible and why it is urgent. The important role of international ISO, IEC and ITU standards and the need for better legislation by means of the Global Energy Charter for Sustainable Development are also highlighted.

  15. Systemic aspects of the transition to sustainable energy

    Directory of Open Access Journals (Sweden)

    Schlögl R.

    2015-01-01

    Full Text Available The supply of free energy to our societies is today an intricate system comprising the regimes of technologies, regulatory frameworks, socio-economic impacts and techno-ecological interactions. As a consequence it is challenging to define clear directions or even device a master plan for the transformation of a single national energy system into a sustainable future. Even the term “sustainable” needs extensive discussion in this context that should not be defined solely in technological or ecological senses. The contribution illustrates some of the elements of the energy system and their interdependencies. It will become clear that multiple reasons exist to change the traditional generation and use of energy even when climate protection is not a sufficiently strong argument for a change.

  16. Reducing Transaction Costs for Energy Efficiency Investments and Analysis of Economic Risk Associated With Building Performance Uncertainties: Small Buildings and Small Portfolios Program

    Energy Technology Data Exchange (ETDEWEB)

    Langner, R.; Hendron, B.; Bonnema, E.

    2014-08-01

    The small buildings and small portfolios (SBSP) sector face a number of barriers that inhibit SBSP owners from adopting energy efficiency solutions. This pilot project focused on overcoming two of the largest barriers to financing energy efficiency in small buildings: disproportionately high transaction costs and unknown or unacceptable risk. Solutions to these barriers can often be at odds, because inexpensive turnkey solutions are often not sufficiently tailored to the unique circumstances of each building, reducing confidence that the expected energy savings will be achieved. To address these barriers, NREL worked with two innovative, forward-thinking lead partners, Michigan Saves and Energi, to develop technical solutions that provide a quick and easy process to encourage energy efficiency investments while managing risk. The pilot project was broken into two stages: the first stage focused on reducing transaction costs, and the second stage focused on reducing performance risk. In the first stage, NREL worked with the non-profit organization, Michigan Saves, to analyze the effects of 8 energy efficiency measures (EEMs) on 81 different baseline small office building models in Holland, Michigan (climate zone 5A). The results of this analysis (totaling over 30,000 cases) are summarized in a simple spreadsheet tool that enables users to easily sort through the results and find appropriate small office EEM packages that meet a particular energy savings threshold and are likely to be cost-effective.

  17. Sustainable energy for the future. Modelling transitions to renewable and clean energy in rapidly developing countries.

    NARCIS (Netherlands)

    Urban, Frauke

    2009-01-01

    The main objective of this thesis is first to adapt energy models for the use in developing countries and second to model sustainable energy transitions and their effects in rapidly developing countries like China and India. The focus of this thesis is three-fold: a) to elaborate the differences

  18. Personalized Energy Services : A Data-Driven Methodology towards Sustainable, Smart Energy Systems

    NARCIS (Netherlands)

    Srirangam Narashiman, A.U.N.

    2017-01-01

    The rapid pace of urbanization has an impact on climate change and other environmental issues. Currently, 54% of the global population lives in cities accounting for two-thirds of global energy demand. Sustainable energy generation and consumption is the top humanity’s problem for the next 50 years.

  19. Sustainable urban energy planning: A strategic approach to meeting climate and energy goals

    Energy Technology Data Exchange (ETDEWEB)

    Dobriansky, Larisa

    2010-09-15

    Meeting our 21st century challenges will require sustainable energy planning by our cities, where over half of the population resides. This already has become evident in the State of California, which has set rigorous greenhouse gas emission reduction targets and timeframes. To attain these targets will necessitate technically-integrated and cost-optimum solutions for innovative asset development and management within urban communities. Using California as a case study, this paper focuses on the crucial role for sustainable energy planning in creating the context and conditions for integrating and optimizing clean and efficient energy use with the urban built environment and infrastructure.

  20. Evaluating the sustainability of an energy supply system using renewable energy sources: An energy demand assessment of South Carolina

    Science.gov (United States)

    Green, Cedric Fitzgerald

    Sustainable energy is defined as a dynamic harmony between the equitable availability of energy-intensive goods and services to all people and the preservation of the earth for future generations. Sustainable energy development continues to be a major focus within the government and regulatory governing bodies in the electric utility industry. This is as a result of continued demand for electricity and the impact of greenhouse gas emissions from electricity generating plants on the environment by way of the greenhouse effect. A culmination of increasing concerns about climate change, the nuclear incident in Fukushima four years ago, and discussions on energy security in a world with growing energy demand have led to a movement for increasing the share of power generation from renewable energy sources. This work studies demand for electricity from primarily residential, commercial, agricultural, and industrial customers in South Carolina (SC) and its effect on the environment from coal-fired electricity generating plants. Moreover, this work studies sustainable renewable energy source-options based on the renewable resources available in the state of SC, as viable options to supplement generation from coal-fired electricity generating plants. In addition, greenhouse gas emissions and other pollutants from primarily coal-fired plants will be defined and quantified. Fundamental renewable energy source options will be defined and quantified based on availability and sustainability of SC's natural resources. This work studies the environmental, economic, and technical aspects of each renewable energy source as a sustainable energy option to replace power generation from coal-fired plants. Additionally, social aspect implications will be incorporated into each of the three aspects listed above, as these aspects are explored during the research and analysis. Electricity demand data and alternative energy source-supply data in SC are carried out and are used to develop and

  1. ENVIRONMENTAL PROTECTION SUSTAINABILITY STRATEGIC FACTOR IN THE ENERGY INDUSTRY

    Directory of Open Access Journals (Sweden)

    CÎRNU Doru

    2015-06-01

    Full Text Available We propose to conceive an environmental strategy intended to integrate harmoniously Gorj energy industry with principles of sustainable development. The sustainable development complies trinomial: ecological-economic-social. In our view, sustainable development, requires clean water and unpolluted air, land consolidated rejuvenated forests, biodiversity and protected nature reserves, churches and monasteries secular admired by visitors, welcoming places entered in the natural and cultural harmony. It is also necessary to reduce the pressure generated by socio-economic factors on the environment and the principles of sustainable development. The quality of life in urban and rural areas show extreme differences compared to European standards. For efficiency, we addressed the modeling method by designing a model valid for all thermoelectric power plants based on fossil fuels, allowing simultaneously, so adding value and environmental protection. The general objective that we propose for the environment, natural resources and patrimony, is related to the prevention of climate change by limiting the emission of toxic gases and their adverse effects on the environment The achievement of strategic objectives and implementation of proposals submitted, we consider that would have a double impact, on the one side, to protect the environment and the quality of life and, on the other side a positive influence on economic and social level.

  2. Comprehensive Education Portfolio with a Career Focus

    Science.gov (United States)

    Kruger, Evonne J.; Holtzman, Diane M.; Dagavarian, Debra A.

    2013-01-01

    There are many types of student portfolios used within academia: the prior learning portfolio, credentialing portfolio, developmental portfolio, capstone portfolio, individual course portfolio, and the comprehensive education portfolio. The comprehensive education portfolio (CEP), as used by the authors, is a student portfolio, developed over…

  3. Sustainable Development and Energy Geotechnology Potential Roles for Geotechnical Engineering

    Energy Technology Data Exchange (ETDEWEB)

    FragaszyProgram Dire, Dr. R. J. [National Science Foundation; Santamarina, Carlos [Georgia Institute of Technology; Espinoza, N. [Georgia Institute of Technology; Jang, J.W. [Georgia Institute of Technology; Jung, J.W. [Georgia Institute of Technology; Tsouris, Costas [ORNL

    2011-01-01

    The world is facing unprecedented challenges related to energy resources, global climate change, material use, and waste generation. Failure to address these challenges will inhibit the growth of the developing world and will negatively impact the standard of living and security of future generations in all nations. The solutions to these challenges will require multidisciplinary research across the social and physical sciences and engineering. Although perhaps not always recognized, geotechnical engineering expertise is critical to the solution of many energy and sustainability-related problems. Hence, geotechnical engineers and academicians have opportunity and responsibility to contribute to the solution of these worldwide problems. Research will need to be extended to non-standard issues such as thermal properties of soils; sediment and rock response to extreme conditions and at very long time scales; coupled hydro-chemo-thermo-bio-mechanical processes; positive feedback systems; the development of discontinuities; biological modification of soil properties; spatial variability; and emergent phenomena. Clearly, the challenges facing geotechnical engineering in the future will require a much broader knowledge base than our traditional educational programs provide. The geotechnical engineering curricula, from undergraduate education through continuing professional education, must address the changing needs of a profession that will increasingly be engaged in alternative/renewable energy production; energy efficiency; sustainable design, enhanced and more efficient use of natural resources, waste management, and underground utilization.

  4. Sustainable Energy Production - Facing up to our Common Challenge

    Energy Technology Data Exchange (ETDEWEB)

    Bondevik, Kjell Magne [Prime Minister (Norway)

    1998-12-31

    With this presentation the Norwegian Prime Minister opened the conference, the Offshore Northern Seas Conference, an important meeting place for the oil and gas industry. Today, sustainable development, the environment and human rights are vital issues that politicians and the petroleum industry have included on their agendas. The end of the 1980s and the beginning of the 1990s mark the beginning of a new era in terms of de regulated markets and a growing concern about the Earth`s capacity to sustain a growing population and the present production and consumption patterns. This shift in political and economic practices has promoted far-reaching institutional changes and a rapid spread of capital, information and skills and an unprecedented integration of the world economy. Energy demand over the next 25 years will depend on fossil fuels, but renewable energy will become increasingly more important. The environmental issues discussed are (1) the local impact of production, distribution and use of fossil fuels, (2) the limited availability of fossil fuels and (3) the impact of the emission of greenhouse gases. The Prime Minister then discusses issues of human rights in sustainable development

  5. Renewable energy for sustainable ocean sensors and platforms

    Science.gov (United States)

    Carapezza, Edward M.; Molter, Trent M.

    2007-10-01

    In the future, networks of unmanned and unattended sensor systems will replace many of these manned assets and will become pervasive and highly connected in many maritime areas. Unmanned mobile surveillance systems will be able to operate with a high degree of autonomy and weather tolerance with minimum cost and manpower risk. Low cost, highly sustainable underwater power sources, for both stationary sensors systems and mobile surveillance platforms, are required for this vision. This paper presents a description of interim results of investigations into technologies and systems for generating renewable energy from coastal and open ocean areas. A range of technologies have been investigated from low power systems deriving energy from the microbial fuel cells and the direct bacterial conversion of methane gas to methanol liquid to larger power systems deriving energy from ocean waves, methane hydrate deposits, and hydrothermal vents.

  6. Energy Reforms in The Developing World: Sustainable Development Compromised?

    Directory of Open Access Journals (Sweden)

    Said Mbogo Abdallah

    2015-06-01

    Full Text Available Energy sector reforms with an emphasis on electricity growth have been taking place extensively and rapidly worldwide Particularly, motivated chiefly by classical economics’ standpoint of efficiency and market considerations, reforms have been made in the developed North. Models of reforms in the North have in turn been replicated in developing countries. However, questions arise as to whether the models used are suitable for the mostly rural and socioeconomically disadvantaged economies in the South. It is argued in this paper that a sustainability focused mode of reforms guided by futures studies is needed for such economies. Reforms taking place in Kenya and neighbouring countries are in particular examined from a sustainable future perspective; and appropriate improvements and further research are recommended.

  7. Energy policies for low carbon sustainable transport in Asia

    DEFF Research Database (Denmark)

    Shukla, P.R.; Dhar, Subash

    2015-01-01

    equivalent to 2 °C stabilization. Accounting for heterogeneity of national transport systems, these papers use diverse methods, frameworks and models to assess the response of the transport system to environmental policy, such as a carbon tax, as well as to a cluster of policies aimed at diverse development......Transformation of Asia's transport sector has vital implications for climate change, sustainable development and energy indicators. Papers in this special issue show how transport transitions in Asia may play out in different socio-economic and policy scenarios, including a low carbon scenario...... indicators. The analysis shows that CO2 mitigation in a transport system is achieved more effectively by aligning mitigation policies with sustainable development policies and measures such as mandates for mode share and choices such as urban design, information and communication systems, and behavioral...

  8. The contribution of renewable energy to a sustainable energy system; Volume 2 in the CASCADE MINTS project

    Energy Technology Data Exchange (ETDEWEB)

    Uyterlinde, M.A.; Martinus, G.H.; Rosler, H. [ECN Policy Studies, Petten (Netherlands); Kouvaritakis, N.; Panos, V.; Mantzos, L.; Zeka-Paschou, M. [National Technical University of Athens NTUA, Athens (Greece); Kypreos, S.; Rafaj, P. [Paul Scherrer Institute, Villigen (Switzerland); Blesl, M.; Ellersdorfer, I.; Fahl, U. [Institute of Energy Economics and the Rational Use of Energy IER, Stuttgart (Germany); Keppo, I.; Riahi, K. [The International Institute for Applied Systems Analysis IIASA, Laxenburg (Austria); Boehringer, C.; Loeschel, A. [Zentrum fuer Europaeische Wirtschaftsforschung ZEW, Mannheim (Germany); Sano, F.; Akimoto, K.; Homma, T.; Tomada, T. [Research Institute of Innovative Technology for the Earth RITE, Kyoto (Japan); Pratlong, F.; Le Mouel, P. [ERASME, Equipe de Recherche en Analyse des Systemes et Modelisation Economiques, University of Paris, Paris (France); Szabo, L.; Russ, P. [Institute for Prospective Technological Studies IPTS, Joint Research Centre JRC, Sevilla (Spain); Kydes, A. [Energy Information Administration EIA, US Department of Energy US-DoE, Washington, DC (United States)

    2005-07-01

    This report provides an overview of the main results from the scenarios analysed in the CASCADE MINTS project to assess the role of renewables in solving global and European energy and environmental issues. The main conclusion is that renewable energy can make a substantial contribution to reducing greenhouse gas emissions and improving diversification of the European energy production portfolio, although other technologies will also be needed in order to achieve post Kyoto targets. The report outlines the impacts, costs and benefits of ambitious renewables targets for Europe in the medium term. It also presents lessons learned from taking the global perspective.

  9. Building green covering for a sustainable use of energy

    Directory of Open Access Journals (Sweden)

    C.A. Campiotti

    2013-09-01

    Full Text Available Nowadays the growth of the cities increased built and paved areas, energy use and heat generation. The phenomenon of urban warming, called urban heat island, influences negatively outdoor comfort conditions, pollutants concentration, energy demand for air conditioning, as well as increases environmental impact due to the demand of energy generation. A sustainable technology for improving the energy efficiency of buildings is the use of green roofs and walls in order to reduce the energy consumption for conditioning in summer and improve the thermal insulation in winter. The use of green roofs and walls can contribute to mitigate the phenomenon of heat island, the emissions of greenhouse gases, and the storm water runoff affecting human thermal comfort, air quality and energy use of the buildings. Recently, a number of municipalities started to adopt regulations and constructive benefits for renovated and new buildings which incorporate green roofs and walls. The aim of this paper is to describe the green roofs and walls plant technology.

  10. Preface: photosynthesis and hydrogen energy research for sustainability.

    Science.gov (United States)

    Tomo, Tatsuya; Allakhverdiev, Suleyman I

    2017-09-01

    Energy supply, climate change, and global food security are among the main chalenges facing humanity in the twenty-first century. Despite global energy demand is continuing to increase, the availability of low cost energy is decreasing. Together with the urgent problem of climate change due to CO2 release from the combustion of fossil fuels, there is a strong requirement of developing the clean and renewable energy system for the hydrogen production. Solar fuel, biofuel, and hydrogen energy production gained unlimited possibility and feasibility due to understanding of the detailed photosynthetic system structures. This special issue contains selected papers on photosynthetic and biomimetic hydrogen production presented at the International Conference "Photosynthesis Research for Sustainability-2016", that was held in Pushchino (Russia), during June 19-25, 2016, with the sponsorship of the International Society of Photosynthesis Research (ISPR) and of the International Association for Hydrogen Energy (IAHE). This issue is intended to provide recent information on the photosynthetic and biohydrogen production to our readers.

  11. Nuclear energy and sustainable development: contradiction or challenge?

    Energy Technology Data Exchange (ETDEWEB)

    Laes, E.; Meskens, G. [SCK.CEN, Belgian Nuclear Research Centre, Mol (Belgium)

    2001-07-01

    The concept of sustainable development is widely accepted as a principle for decision-making. However, it needs to be put into operation. Two classical approaches, cost-benefit analysis and multi-criteria analysis, are not suitable on account of the underlying rational choice theory and value system. Insights from these methods need to be complemented by the inherently pluralistic approach of cultural theory. This offers the prospects of the identification of all relevant criteria for the comparison of different energy vectors, broadening the perspective through an interdisciplinary working process, confronting uncertainty at a fundamental level, and the explicit integration of values and world views. (author)

  12. Sustainable energy planning for 27 small Danish Islands. Summary report

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-06-01

    A methodology has been developed and implemented, whereby detailed assessment of a few model or archetype islands may be used as basis for subsequent estimation of possibilities for other islands of similar kind, provided certain key data for present day energy consumption are available. A consistent interaction with the population on the model islands has been important in that process. The technical-economical results of the study show, that a number of measures seem cost-effective with the aim of contributing to a sustainable energy supply for the small Danish islands. Most prominent are energy savings for both heat and electricity, grid connected wind turbines for electricity production and collective heat supply, in decreasing order of cost-effectiveness. It has become clear, that an organisational structure based on the cooperative idea is essential for realising this potential. In Denmark this is a strong tradition, recently manifesting itself in the fact, that a majority of Danish wind turbines have been installed in the fram work of cooperative idea is essential for realising this potential. In Denmark this is a strong tradition, recently manifesting itself in the fact, that a majority of Danish wind turbines have been installed in the framework of cooperatives. This means that it is a well proven concept, in Denmark well established in the legal and financial structure including the tax laws. Consequently such energy cooperatives represent the organisational structure recommended by the project also for other sustainable energy initiatives on the small Danish islands. The implication on a European level is that the methodology developed in the project, as well as the concrete recommendations of the project including organisational structures, seem well suited to be applied on a European level in the context of local communities with a strong identity. (LN)

  13. Comparative Assessment of Sustainable Energy Development in the Czech Republic, Lithuania and Slovakia

    Directory of Open Access Journals (Sweden)

    Streimikiene Dalia

    2016-06-01

    Full Text Available Sustainable energy development and its evaluation is a key resource in learning and understanding the policies implemented by the European Commission and how they work while comparing countries within sustainable energy indicators in the area of sustainable energy. The competitiveness of countries is directly related to the progress achieved in implementing sustainable energy development as the energy sector has great significance for the future development of the country. The energy sector is crucial for economic growth and has a major impact on the environment. Sustainable energy development permits the decoupling of economic growth from energy consumption and the decoupling of energy consumption from atmospheric pollution. This paper views the concept of sustainable energy development and policies that are in place of this topic. It also compares the Czech Republic, Lithuania, and Slovakia within the boundaries of the following sustainable energy development indicators: sustainable consumption and production, marking the production of energy; climate change and energy, marking GHG emissions and the share of renewable energy in gross final energy consumption; sustainable transport, marking the energy consumption of transport relative to GDP.

  14. From dust devil to sustainable swirling wind energy.

    Science.gov (United States)

    Zhang, Mingxu; Luo, Xilian; Li, Tianyu; Zhang, Liyuan; Meng, Xiangzhao; Kase, Kiwamu; Wada, Satoshi; Yu, Chuck Wah; Gu, Zhaolin

    2015-02-09

    Dust devils are common but meteorologically unique phenomena on Earth and on Mars. The phenomenon produces a vertical vortex motion in the atmosphere boundary layer and often occurs in hot desert regions, especially in the afternoons from late spring to early summer. Dust devils usually contain abundant wind energy, for example, a maximum swirling wind velocity of up to 25 m/s, with a 15 m/s maximum vertical velocity and 5 m/s maximum near-surface horizontal velocity can be formed. The occurrences of dust devils cannot be used for energy generation because these are generally random and short-lived. Here, a concept of sustained dust-devil-like whirlwind is proposed for the energy generation. A prototype of a circular shed with pre-rotation vanes has been devised to generate the whirlwind flow by heating the air inflow into the circular shed. The pre-rotation vanes can provide the air inflow with angular momentum. The results of numerical simulations and experiment illustrate a promising potential of the circular shed for generating swirling wind energy via the collection of low-temperature solar energy.

  15. Effects of Nuclear Energy on Sustainable Development and Energy Security: Sodium-Cooled Fast Reactor Case

    Directory of Open Access Journals (Sweden)

    Sungjoo Lee

    2016-09-01

    Full Text Available We propose a stepwise method of selecting appropriate indicators to measure effects of a specific nuclear energy option on sustainable development and energy security, and also to compare an energy option with another. Focusing on the sodium-cooled fast reactor, one of the highlighted Generation IV reactors, we measure and compare its effects with the standard pressurized water reactor-based nuclear power, and then with coal power. Collecting 36 indicators, five experts select seven key indicators to meet data availability, nuclear energy relevancy, comparability among energy options, and fit with Korean energy policy objectives. The results show that sodium-cooled fast reactors is a better alternative than existing nuclear power as well as coal electricity generation across social, economic and environmental dimensions. Our method makes comparison between energy alternatives easier, thereby clarifying consequences of different energy policy decisions.

  16. A Net Energy-based Analysis for a Climate-constrained Sustainable Energy Transition

    CERN Document Server

    Sgouridis, Sgouris; Csala, Denes

    2015-01-01

    The transition from a fossil-based energy economy to one based on renewable energy is driven by the double challenge of climate change and resource depletion. Building a renewable energy infrastructure requires an upfront energy investment that subtracts from the net energy available to society. This investment is determined by the need to transition to renewable energy fast enough to stave off the worst consequences of climate change and, at the same time, maintain a sufficient net energy flow to sustain the world's economy and population. We show that a feasible transition pathway requires that the rate of investment in renewable energy should accelerate approximately by an order of magnitude if we are to stay within the range of IPCC recommendations.

  17. Sustainable Mining Land Use for Lignite Based Energy Projects

    Science.gov (United States)

    Dudek, Michal; Krysa, Zbigniew

    2017-12-01

    This research aims to discuss complex lignite based energy projects economic viability and its impact on sustainable land use with respect to project risk and uncertainty, economics, optimisation (e.g. Lerchs and Grossmann) and importance of lignite as fuel that may be expressed in situ as deposit of energy. Sensitivity analysis and simulation consist of estimated variable land acquisition costs, geostatistics, 3D deposit block modelling, electricity price considered as project product price, power station efficiency and power station lignite processing unit cost, CO2 allowance costs, mining unit cost and also lignite availability treated as lignite reserves kriging estimation error. Investigated parameters have nonlinear influence on results so that economically viable amount of lignite in optimal pit varies having also nonlinear impact on land area required for mining operation.

  18. Nonregenerative natural resources in a sustainable system of energy supply.

    Science.gov (United States)

    Bradshaw, Alex M; Hamacher, Thomas

    2012-03-12

    Following the lead of the European Union in introducing binding measures to promote the use of regenerative energy forms, it is not unreasonable to assume that the global demand for combustible raw materials for energy generation will be reduced considerably in the second half of this century. This will not only have a favourable effect on the CO(2) concentration in the atmosphere, but will also help preserve fossil fuels-important as raw materials in the chemical industry-for future generations. Nevertheless, associated with the concomitant massive shift to regenerative energy forms, there will be a strong demand for other exhaustible raw materials, in particular metals, some of which are already regarded as scarce. After reviewing the debate on mineral depletion between "cornucopians" and "pessimists", we discuss the meaning of mineral "scarcity", particularly in the geochemical sense, and mineral "exhaustion". The expected drastic increase in demand for mineral resources caused by demographic and societal pressures, that is, due to the increase in in-use stock, is emphasised. Whilst not discussing the issue of "strong" versus "weak" sustainability in detail, we conclude that regenerative energy systems-like nearly all resource-consuming systems in our society-do not necessarily satisfy generally accepted sustainability criteria. In this regard, we discuss some current examples, namely, lithium and cobalt for batteries, rare earth-based permanent magnets for wind turbines, cadmium and tellurium for solar cells and copper for electrical power distribution. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  19. Developing sustainable energy policies for electrical energy conservation in Saudi Arabia

    Energy Technology Data Exchange (ETDEWEB)

    Al-Ajlan, S.A. [Energy Research Institute, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442 (Saudi Arabia)]. E-mail: salajlan@kacst.edu.sa; Al-Ibrahim, A.M. [Energy Research Institute, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442 (Saudi Arabia); Abdulkhaleq, M. [Ministry of Water and Electricity (Saudi Arabia); Alghamdi, F. [Ministry of Water and Electricity (Saudi Arabia)

    2006-09-15

    Towards the end of 1998, the Saudi Arabian electricity sector embarked upon a major restructuring program. One of the aims of the program is to achieve sustainable performance. Although progress has been made, a number of challenges remain, including high demand growth, low generation capacity reserve margins, inefficient energy use, absence of time-of-use tariffs, and the need for large capital investments to meet current and future expansion. Electrical energy consumption in Saudi Arabia increased sharply during the last two decades due to rapid economic development and the absence of energy conservation measures. Peak loads reached nearly 24GW in 2001-25 times their 1975 level-and are expected to approach 60GW by 2023. The total investment needed to meet this demand may exceed $90 billion. Consequently, there is an urgent need to develop energy conservation policies for sustainable development. Current sustainable policies, particularly those pertaining to energy conservation, led to peak load savings of more than 871MW in 2001, mainly as a result of collaborations between the Ministry of Water and Electricity and the Saudi Electricity Company. In the long term, however, unless sustainable energy policies are developed at a national level, such efforts will be largely ineffective. To address this, policies and programs are being developed for public awareness, energy regulation and legislation, and energy information and programming. If energy conservation is taken into account, the forecast demand can be reduced by 5-10%. This is equivalent to 3-6GW of additional capacity, which represents a possible $1.5-3.0 billion saving over the next 20 years. Typically, investment in energy efficiency is 1% of utility sales revenues, which for a country like Saudi Arabia could be $15-60 million p.a. If only savings on air conditioning are considered, the return on investment is equivalent to 400-500MW p.a. of generating capacity-a saving of up to $0.25 billion p.a. In this

  20. Biomass energy: Sustainable solution for greenhouse gas emission

    Science.gov (United States)

    Sadrul Islam, A. K. M.; Ahiduzzaman, M.

    2012-06-01

    Biomass is part of the carbon cycle. Carbon dioxide is produced after combustion of biomass. Over a relatively short timescale, carbon dioxide is renewed from atmosphere during next generation of new growth of green vegetation. Contribution of renewable energy including hydropower, solar, biomass and biofuel in total primary energy consumption in world is about 19%. Traditional biomass alone contributes about 13% of total primary energy consumption in the world. The number of traditional biomass energy users expected to rise from 2.5 billion in 2004 to 2.6 billion in 2015 and to 2.7 billion in 2030 for cooking in developing countries. Residential biomass demand in developing countries is projected to rise from 771 Mtoe in 2004 to 818 Mtoe in 2030. The main sources of biomass are wood residues, bagasse, rice husk, agro-residues, animal manure, municipal and industrial waste etc. Dedicated energy crops such as short-rotation coppice, grasses, sugar crops, starch crops and oil crops are gaining importance and market share as source of biomass energy. Global trade in biomass feedstocks and processed bioenergy carriers are growing rapidly. There are some drawbacks of biomass energy utilization compared to fossil fuels viz: heterogeneous and uneven composition, lower calorific value and quality deterioration due to uncontrolled biodegradation. Loose biomass also is not viable for transportation. Pelletization, briquetting, liquefaction and gasification of biomass energy are some options to solve these problems. Wood fuel production is very much steady and little bit increase in trend, however, the forest land is decreasing, means the deforestation is progressive. There is a big challenge for sustainability of biomass resource and environment. Biomass energy can be used to reduce greenhouse emissions. Woody biomass such as briquette and pellet from un-organized biomass waste and residues could be used for alternative to wood fuel, as a result, forest will be saved and

  1. Energy equity: will the UN Sustainable Energy For All initiative make a difference

    Energy Technology Data Exchange (ETDEWEB)

    Wilson, Emma

    2012-05-15

    Access to affordable modern energy services may not be a Millennium Development Goal (MDG) but without it, sustainable development, indeed the MDGs themselves, cannot be achieved. Yet energy access remains an area of great global inequity. On one hand, wealthy countries and communities consume vast amounts of often subsidised energy resources every day. On the other hand, 1-in-5 people lives with no access to grid electricity, and around 40 per cent of the world's population (nearly three billion people) lack the technologies to make cooking fuels clean, safe and efficient. Can the UN's Sustainable Energy for All initiative in 2012 redress the balance? Perhaps, but only if it puts improving the lives of the poorest and most vulnerable at the heart of its efforts.

  2. Microalgal cultivation and utilization in sustainable energy production

    Energy Technology Data Exchange (ETDEWEB)

    Lakaniemi, A.-M.

    2012-07-01

    Microalgae are a promising feedstock for biofuel and bioenergy production due to their high photosynthetic efficiencies, high growth rates and no need for external organic carbon supply. However, microalgal biomass cultivation for energy production purposes is still rare in commercial scale. Further research and development is needed to make microalgal derived energy sustainable and economically competitive. This work investigated cultivation of fresh water microalga Chlorella vulgaris and marine microalga Dunaliella tertiolecta and their utilization in production of hydrogen, methane, electricity, butanol and bio-oil after bulk harvesting the biomass. Growth of the two microalgae was studied in five different photobioreactor (PBR) configurations especially concentrating on the quantification and characterization of heterotrophic bacteria in non-axenic microalgal cultivations and microalgal utilization of different nitrogen sources. Anaerobic cultures used for the energy conversion processes were enriched from a mesophilic municipal sewage digester separately for production of H{sub 2}, CH{sub 4} and electricity from the two microalgal species. After culture enrichment, energy conversion yields of microalgal biomass to the different energy carriers were compared. In summary, this study demonstrated that both C. vulgaris and D. tertiolecta can be used for production of Hv(2), CHv(4), electricity, butanol and lipids. Based on this study C. vulgaris is more suitable for bioenergy production than D. tertiolecta. Depending on cellular lipid content, lipid utilization for bio-oil production and anaerobic digestion were the most potent means of converting C. vulgaris biomass to energy. The study also revealed diverse microbial communities in non-axenic microalgal photobioreactor cultures and in anaerobic consortia converting microalgal biomass to energy carriers

  3. Sustainable Interactions: Studies in the Design of Energy Awareness Artefacts

    Energy Technology Data Exchange (ETDEWEB)

    Broms, Loove

    2011-07-01

    This thesis presents a collection of experimental designs that approach the problem of growing electricity consumption in homes. From the perspective of design, the intention has been to critically explore the design space of energy awareness artefacts to reinstate awareness of energy use in everyday practice. The design experiments were used as vehicles for thinking about the relationship between physical form, interaction, and social practice. The rationale behind the concepts was based on a small-scale ethnography, situated interviews, and design experience. Moreover, the thesis compares designer intention and actual user experiences of a prototype that was installed in nine homes in a residential area in Stockholm for three months. This was done in order to elicit tacit knowledge about how the concept was used in real-world domestic settings, to challenge everyday routines, and to enable both users and designers to critically reflect on artefacts and practices. From a design perspective, contributions include design approaches to communicating energy use: visualizations for showing relationships between behaviour and electricity consumption, shapes and forms to direct action, means for turning restrictions caused by energy conservation into central parts of the product experience, and ways to promote sustainable behaviour with positive driving forces based on user lifestyles. The general results indicate that inclusion is of great importance when designing energy awareness artefacts; all members of the household should be able to access, interact with, and reflect on their energy use. Therefore, design-related aspects such as placement and visibility, as well as how the artefact might affect the social interactions in the home, become central. Additionally, the thesis argues that these types of artefacts can potentially create awareness accompanied by negative results such as stress. A challenge for the designer is to create artefacts that communicate and

  4. Principles of sustainability science to assess alternative energy technologies

    CSIR Research Space (South Africa)

    Brent, AC

    2009-04-01

    Full Text Available The emerging field of sustainability science recognizes the important role of technologies in reaching the conditional goals of sustainable development. Research in sustainable technologies requires transdisciplinarity to determine the resilience...

  5. Energy for the future - with Risoe from nuclear power to sustainable energy

    Energy Technology Data Exchange (ETDEWEB)

    Jastrup, M. (ed.)

    2008-07-01

    The title of the book is inspired by Risoe's mission which, at the time of its 50th anniversary, remains uncannily close to that given to Risoe when it was inaugurated in 1958. First and foremost, then as now, Risoe is engaged in the development of tomorrow's energy technologies. In 1958, it was nuclear power. On the occasion of its 50th anniversary, Risoe is working with a palette of sustainable energy sources. (author)

  6. Renewable energy and sustainable communities: Alaska's wind generator experience†

    Directory of Open Access Journals (Sweden)

    R. Steven Konkel

    2013-08-01

    villages, b. impacts associated with climate change on human health, c. progress in better understanding wind energy potential through resource assessments and new tools for detailed feasibility and project planning, d. need for comprehensive monitoring and data analysis, and e. state funding requirements and opportunity costs. Conclusion . The energy policy choices ahead for Alaska will have important implications for Arctic population health, especially for those villages whose relatively small size and remote locations make energy a key component of subsistence lifestyles and community sustainability. Wind generation can contribute to meeting renewable energy goals and is a particularly important resource for rural and remote Alaskan communities currently dependent on diesel fuel for generating electricity and heat.

  7. Renewable energy and sustainable communities: Alaska's wind generator experience.

    Science.gov (United States)

    Konkel, R Steven

    2013-01-01

    better understanding wind energy potential through resource assessments and new tools for detailed feasibility and project planning, need for comprehensive monitoring and data analysis, and state funding requirements and opportunity costs. The energy policy choices ahead for Alaska will have important implications for Arctic population health, especially for those villages whose relatively small size and remote locations make energy a key component of subsistence lifestyles and community sustainability. Wind generation can contribute to meeting renewable energy goals and is a particularly important resource for rural and remote Alaskan communities currently dependent on diesel fuel for generating electricity and heat.

  8. Renewable energy and sustainable communities: Alaska's wind generator experience†

    Science.gov (United States)

    Konkel, R. Steven

    2013-01-01

    with climate change on human health,progress in better understanding wind energy potential through resource assessments and new tools for detailed feasibility and project planning,need for comprehensive monitoring and data analysis, andstate funding requirements and opportunity costs. Conclusion The energy policy choices ahead for Alaska will have important implications for Arctic population health, especially for those villages whose relatively small size and remote locations make energy a key component of subsistence lifestyles and community sustainability. Wind generation can contribute to meeting renewable energy goals and is a particularly important resource for rural and remote Alaskan communities currently dependent on diesel fuel for generating electricity and heat. PMID:23971014

  9. Sustaining high-energy orbits of bi-stable energy harvesters by attractor selection

    Science.gov (United States)

    Udani, Janav P.; Arrieta, Andres F.

    2017-11-01

    Nonlinear energy harvesters have the potential to efficiently convert energy over a wide frequency range; however, difficulties in attaining and sustaining high-energy oscillations restrict their applicability in practical scenarios. In this letter, we propose an actuation methodology to switch the state of bi-stable harvesters from the low-energy intra-well configuration to the coexisting high-energy inter-well configuration by controlled phase shift perturbations. The strategy is designed to introduce a change in the system state without creating distinct metastable attractors by exploiting the basins of attraction of the coexisting stable attractors. Experimental results indicate that the proposed switching strategy yields a significant improvement in energy transduction capabilities, is highly economical, enabling the rapid recovery of energy spent in the disturbance, and can be practically implemented with widely used low-strain piezoelectric transducers.

  10. Sustainable nanocomposites toward electrochemical energy storage and environmental remediation

    Science.gov (United States)

    Zhu, Jiahua

    Energy shortage and environmental pollution are the two most concerns right now for the long term sustainable development of human society. New technology developments are the key solutions to these challenges, which strongly rely on the continuous upgrading of advanced material performance. In this dissertation, sustainable nanocomposites with multifunctionalities are designed and fabricated targeting to the applications in high energy/power density capacitor electrodes and efficient heavy metal adsorbent for polluted water purification. Contrary to the helical carbon structure from pure cotton fabrics under microwave heating and radical oxidized ignition of nanoparticles from conventional heating, magnetic carbon tubular nanocomposite fabrics decorated with unifromally dispersed Co-Co3O4 nanoparticles were successfully synthesized via a microwave heating process using cotton fabric and inorganic salt as precursors, which have shown better anti-corrosive performance and demonstrated great potential as novel electrochemical pseudocapacitor electrode. Polyaniline nanofibers (PANI-NFs)/graphite oxide (GO) nanocomposites with excellent interfacial interaction and elongated fiber structure were synthesized via a facile interfacial polymerization method. The PANI-NFs/GO hybrid materials showed orders of magnitude enhancement in capacitance and energy density than that of individual GO and PANI-NF components. At the same weight loading of PANI in the composites, fibrous PANI demonstrated higher energy density and long term stability than that of particle-shaped PANI at higher power density. Besides the efforts focusing on the inside of the capacitor including new electrodes, electrolyte materials, and capacitor configuration designs. A significant small external magnetic field (720 Gauss) induced capacitance enhancement is reported for graphene and graphene nanocomposite electrodes. The capacitance of Fe2O3/graphene nanocomposites increases by 154.6% after appling

  11. ROMANIA'S ENERGY POTENTIAL OF RENEWABLE ENERGIES IN THE CONTEXT OF SUSTAINABLE DEVELOPMENT

    Directory of Open Access Journals (Sweden)

    Maghear Diana

    2011-12-01

    Full Text Available The concept of 'sustainable development' and the necessity for its realization has gone a long way in order to be unanimously accepted. Over time many authors have written about the problem regarding resources depletion, about the effects of pollution and their economic, ecological and social aspects of it. From the observation of the pollution phenomenon and its implications and until this problem has been acknowledged and accepted by a large number of people this problem has been extensively described by various authors be they economists, ecologists, biologists or psychologists and discussed at multiple conferences conducted in order to find a solution to this problem. In the last century, the use of fossil fuels (coal, gas, oil has had disastrous effects, catastrophic even on the environment, greater than any human activity in history. Among these effects we can enumerate: global warming, the emergence of acid rains, thinning of the ozone layer, etc. In consequence, the use of alternative energy resources becomes imminent for the today world. Among these resources we can include the sun, the wind, geothermal water, biomass, water, etc., which have the capacity to generate alternative energy namely solar energy, wind energy, hydro energy, wave energy, geothermal energy, bioenergy (biofuels, biodiesel, etc. that have the as purpose the reduction of the thermal, radioactive and chemical pollution anywhere on the globe. Renewable energy sources are largely indigenous; they are not based on the future availability of conventional sources of energy, and natural or predominantly decentralized makes that the respective economy to be less vulnerable in front of the supply with volatile energy. Therefore, they constitute a key element of a sustainable energy future. This paper is meant to highlight the need for achieving a sustainable development both in terms of the problem that humanity faces which threatens the entire ecosystem and namely the

  12. Sustainable biomass production for energy in Sri Lanka

    Energy Technology Data Exchange (ETDEWEB)

    Perera, K.K.C.K.; Rathnasiri, P.G.; Sugathapala, A.G.T. [Moratuwa Univ., Moratuwa (Sri Lanka)

    2003-11-01

    The present study concentrates mainly on the estimation of land availability for biomass production and the estimation of sustainable biomass production potential for energy. The feasible surplus land area available for bioenergy plantation is estimated assuming two land availability scenarios (Scenarios 1 and 2) and three biomass demand scenarios (IBD Scenario, SBD Scenario and FBD Scenario). Scenario 1 assumes that 100% of the surplus area available in base year 1997 will be suitable for plantation without considering population growth and food production and that 75% of this surplus land is feasible for plantation. Scenario 2 assumes that future food requirement will grow by 20% and the potential surplus area will be reduced by that amount. The incremental biomass demand scenario (IBD Scenario) assumes that only the incremental demand for biomass in the year 2010 with respect to the base year 1997 has to be produced from new plantation. The sustainable biomass demand scenario (SBD Scenario) assumes that the total sustainable supply of biomass in 1997 is deducted from the future biomass demand in 2010 and only the balance is to be met by new plantation. The full biomass demand scenario (FBD Scenario) assumes that the entire projected biomass demand of the year 2010 needs to be produced from new plantation. The total feasible land area for the scenarios IBD-l, IBD-2, SBD-l, SBD-2, FBD-l and FBD-2 are approximately 0.96, 0.66, 0.80, 0.94, 0.60 and 0.30 Mha, respectively. Biomass production potential is estimated by selecting appropriate plant species, plantation spacing and productivity level. The results show that the total annual biomass production in the country could vary from 2 to 9.9 Mt. With the production option (i.e. 1.5 m x 1.5 m spacing plantation with fertilizer application) giving the highest yield, the total biomass production for energy under IBD Scenario would be 9.9 Mtyr{sup -l} for Scenario 1 and 6.7 Mtyr{sup -l} for Scenario 2. Under SBD Scenario

  13. Investigation of Sustainable Energy Policy: Nairobi Case Study

    Science.gov (United States)

    Shengyuan, Y.; Habiyaremye, J. F. L.; Yingying, W.

    2017-07-01

    A plan for actively achieving green energy obligation is a strategic tool for policies that point forward the diminution of the fossil fuel consumption and greenhouse gas (GHG) in conformity with the Paris environment-friendly accords (COP21) and updates of other ecosystem agreements. To achieve the concrete implementation of the sustainable energy strategy (SES) and to accomplish its objectives, an investigation is a critical factor. SES investigation has to consider both the advancement of each particular action and its wide-ranging green effect, which necessitates multiple levels of improvement. In this study, a consolidated eco strategy for evaluating, monitoring and handling the SES via investigation and execution process is established. The city of Nairobi was used as one of the geographical positions to test the effectiveness of this approach and to investigate its robust and weak points. Specifically, benefit-cost analysis, reliability, peer review and general level of participation were renowned as vital tools for attaining a functional SES investigation and for then drafting successful energy guidelines. Some suggestions were put forward to highlight the research and execution methods and to draw a road map of how SES can be strategically placed into practice.

  14. Microalgae as Sustainable Renewable Energy Feedstock for Biofuel Production

    Directory of Open Access Journals (Sweden)

    Srikanth Reddy Medipally

    2015-01-01

    Full Text Available The world energy crisis and increased greenhouse gas emissions have driven the search for alternative and environmentally friendly renewable energy sources. According to life cycle analysis, microalgae biofuel is identified as one of the major renewable energy sources for sustainable development, with potential to replace the fossil-based fuels. Microalgae biofuel was devoid of the major drawbacks associated with oil crops and lignocelluloses-based biofuels. Algae-based biofuels are technically and economically viable and cost competitive, require no additional lands, require minimal water use, and mitigate atmospheric CO2. However, commercial production of microalgae biodiesel is still not feasible due to the low biomass concentration and costly downstream processes. The viability of microalgae biodiesel production can be achieved by designing advanced photobioreactors, developing low cost technologies for biomass harvesting, drying, and oil extraction. Commercial production can also be accomplished by improving the genetic engineering strategies to control environmental stress conditions and by engineering metabolic pathways for high lipid production. In addition, new emerging technologies such as algal-bacterial interactions for enhancement of microalgae growth and lipid production are also explored. This review focuses mainly on the problems encountered in the commercial production of microalgae biofuels and the possible techniques to overcome these difficulties.

  15. Microalgae as Sustainable Renewable Energy Feedstock for Biofuel Production

    Science.gov (United States)

    Yusoff, Fatimah Md.; Shariff, M.

    2015-01-01

    The world energy crisis and increased greenhouse gas emissions have driven the search for alternative and environmentally friendly renewable energy sources. According to life cycle analysis, microalgae biofuel is identified as one of the major renewable energy sources for sustainable development, with potential to replace the fossil-based fuels. Microalgae biofuel was devoid of the major drawbacks associated with oil crops and lignocelluloses-based biofuels. Algae-based biofuels are technically and economically viable and cost competitive, require no additional lands, require minimal water use, and mitigate atmospheric CO2. However, commercial production of microalgae biodiesel is still not feasible due to the low biomass concentration and costly downstream processes. The viability of microalgae biodiesel production can be achieved by designing advanced photobioreactors, developing low cost technologies for biomass harvesting, drying, and oil extraction. Commercial production can also be accomplished by improving the genetic engineering strategies to control environmental stress conditions and by engineering metabolic pathways for high lipid production. In addition, new emerging technologies such as algal-bacterial interactions for enhancement of microalgae growth and lipid production are also explored. This review focuses mainly on the problems encountered in the commercial production of microalgae biofuels and the possible techniques to overcome these difficulties. PMID:25874216

  16. Microalgae as sustainable renewable energy feedstock for biofuel production.

    Science.gov (United States)

    Medipally, Srikanth Reddy; Yusoff, Fatimah Md; Banerjee, Sanjoy; Shariff, M

    2015-01-01

    The world energy crisis and increased greenhouse gas emissions have driven the search for alternative and environmentally friendly renewable energy sources. According to life cycle analysis, microalgae biofuel is identified as one of the major renewable energy sources for sustainable development, with potential to replace the fossil-based fuels. Microalgae biofuel was devoid of the major drawbacks associated with oil crops and lignocelluloses-based biofuels. Algae-based biofuels are technically and economically viable and cost competitive, require no additional lands, require minimal water use, and mitigate atmospheric CO2. However, commercial production of microalgae biodiesel is still not feasible due to the low biomass concentration and costly downstream processes. The viability of microalgae biodiesel production can be achieved by designing advanced photobioreactors, developing low cost technologies for biomass harvesting, drying, and oil extraction. Commercial production can also be accomplished by improving the genetic engineering strategies to control environmental stress conditions and by engineering metabolic pathways for high lipid production. In addition, new emerging technologies such as algal-bacterial interactions for enhancement of microalgae growth and lipid production are also explored. This review focuses mainly on the problems encountered in the commercial production of microalgae biofuels and the possible techniques to overcome these difficulties.

  17. Industrial sustainability of competing wood energy options in Canada.

    Science.gov (United States)

    Ackom, Emmanuel K; Mabee, Warren E; Saddler, John N

    2010-12-01

    The amount of sawmill residue available in Canada to support the emerging cellulosic ethanol industry was examined. A material flow analysis technique was employed to determine the amount of sawmill residue that could possibly be available to the ethanol industry per annum. A combination of two key trends--improved efficiency of lumber recovery and increased uptake of sawmill residues for self-generation and for wood pellet production--have contributed to a declining trend of sawmill residue availability. Approximately 2.3 x 10⁶ bone-dry tons per year of sawmill residue was estimated to be potentially available to the cellulosic ethanol industry in Canada, yielding 350 million liters per year of cellulosic ethanol using best practices. An additional 2.7 billion liters of cellulosic ethanol might be generated from sawmill residue that is currently used for competing wood energy purposes, including wood pellet generation. Continued competition between bioenergy options will reduce the industrial sustainability of the forest industry. Recommendations for policy reforms towards improved industrial sustainability practices are provided.

  18. The modern portfolio theory applied to wind farm investments

    OpenAIRE

    Chaves-Schwinteck, Patricia

    2013-01-01

    In a context of research of alternatives to improve investments in renewable energy sources, this work addresses the Modern Portfolio Theory when applied to investments in wind farms. The Modern Portfolio Theory describes how the combination of assets subject to different characteristics of risk x return leads to optimized portfolios of investments. Grounded on the principles of diversification, the theory has been originally developed to assess investments in financial assets. In view of the...

  19. Drying and dryer from the aspect of renewable energy and sustainable development

    OpenAIRE

    Topić Radivoj; Božović Milan; Topić Goran

    2017-01-01

    Sustainable development, energy efficiency, renewable energy and environmental protection are the most pressing questions at the beginning of a new, 21st, century. The most important role of renewable energy in reducing greenhouse gases, increasing energy security and creation through small and medium enterprises. The paper gives a brief overview of renewable energy sources in terms of sustainable development, energy efficiency and environmental protection and the role of the drying process t...

  20. Energy indicators impact in multi-criteria sustainability analyse of thermal power plant unit

    OpenAIRE

    Škobalj Predrag D.; Kijevčanin Mirjana Lj.; Jovanović Marina P.; Afgan Naim H.; Erić Milić D.

    2017-01-01

    This paper presents method for sustainability assessment of thermal power plant unit using multi-criteria analysis with aim to create base for business decision. Seven options of possible status of thermal power plant „Kolubara A” unit No. 2 with energy indicators of sustainable development were shown. Energy indicators of sustainable development consists of sets of resource preservation, economic, environmental, and social indicators. Sustainability assessment often fails to account for soci...

  1. Application of Bacterial Laccases for Sustainable Energy Production

    DEFF Research Database (Denmark)

    Lörcher, Samuel; Koschorreck, Katja; Shipovskov, Stepan

    production. Progress in enzyme biotechnology and electrochemistry enables now construction of biofuel cells exploiting a wide spectrum of enzymes wired to electrodes, able of prolonged for up to several months function.1-3 One of the most attractive designs exploits direct electronic communication between......The recent breakthrough achieved in a steadily expanding field of the enzyme biofuel cell development1 and the predicted exhaustion of the earth Li and Pt resources actually change the public attitude to the future role of the biofuel cells. They appeared to be highly attractive alternative...... for a number of special applications, such as disposable implantable power suppliers for medical sensor-transmitters and drug delivery/activator systems and self-powered enzyme-based biosensors; and they do offer practical advantages of using abundant organic raw materials for clean and sustainable energy...

  2. Heat Saving Strategies in Sustainable Smart Energy Systems

    DEFF Research Database (Denmark)

    Lund, Henrik; Thellufsen, Jakob Zinck; Aggerholm, Søren

    2014-01-01

    This paper investigates to which extent heat should be saved rather than produced and to which extent district heating infrastructures, rather than individual heating solutions, should be used in future sustainable smart energy systems. Based on a concrete proposal to implement the Danish...... governmental 2050 fossil-free vision, this paper identifies marginal heat production costs and compares these to marginal heat savings costs for two different levels of district heating. A suitable least-cost heating strategy seems to be to invest in an approximately 50% decrease in net heat demands in new...... buildings and buildings that are being renovated anyway, while the implementation of heat savings in buildings that are not being renovated hardly pays. Moreover, the analysis points in the direction that a least-cost strategy will be to provide approximately 2/3 of the heat demand from district heating...

  3. Heat Saving Strategies in Sustainable Smart Energy Systems

    Directory of Open Access Journals (Sweden)

    Henrik Lund

    2014-06-01

    Full Text Available This paper investigates to which extent heat should be saved rather than produced and to which extent district heating infrastructures, rather than individual heating solutions, should be used in future sustainable smart energy systems. Based on a concrete proposal to implement the Danish governmental 2050 fossil-free vision, this paper identifies marginal heat production costs and compares these to marginal heat savings costs for two different levels of district heating. A suitable least-cost heating strategy seems to be to invest in an approximately 50% decrease in net heat demands in new buildings and buildings that are being renovated anyway, while the implementation of heat savings in buildings that are not being renovated hardly pays. Moreover, the analysis points in the direction that a least-cost strategy will be to provide approximately 2/3 of the heat demand from district heating and the rest from individual heat pumps.

  4. Business Case: Sustainable Energy for De-mining Operations

    DEFF Research Database (Denmark)

    Buur, Jacob; Finnemann, Winie

    2011-01-01

    small, Danish companies work with an NGO and two university partners to develop a sustainable energy solution for humanitarian landmine removal in Angola as an alternative to the presently used diesel generators. I will discuss the challenges that face the companies, if they are to bring the project......It is very difficult for companies in the industrialised West to establish business in developing countries, both because of lack of knowledge of local conditions and procedures, and because there is less infrastructure to rely on. This paper describes a case of an innovation project in which four...... through to establishing successful business. The challenges include defining what the value proposition actually is, picking customer segments, building customer relations, and finding ways of financing and organising a joint venture....

  5. Prospective benefits analysis of the DOE Nuclear Energy portfolio: NE R&D program data assumptions, approach, & results

    Energy Technology Data Exchange (ETDEWEB)

    Bhatt, Vatsal [Brookhaven National Lab. (BNL), Upton, NY (United States); Friley, Paul [Brookhaven National Lab. (BNL), Upton, NY (United States); Lee, John [Brookhaven National Lab. (BNL), Upton, NY (United States); Reisman, Ann [Brookhaven National Lab. (BNL), Upton, NY (United States)

    2006-10-31

    The Office of Nuclear Energy (NE) leads the U.S. Government’s efforts to develop new nuclear energy generation technologies to meet energy and climate goals, and to develop advanced proliferation-resistant nuclear fuel technologies that maximize energy from nuclear fuel; contributes to the R&D for a possible transition to a hydrogen economy; and maintains and enhances the national nuclear technology infrastructure. NE serves the present and future energy needs of the Nation by managing the safe operation and maintenance of the Department of Energy (DOE) critical nuclear in frastructure, providing nuclear technology goods and services, and conducting R&D.

  6. Using Electronic Portfolios

    Science.gov (United States)

    Page, Deb

    2012-01-01

    The digitized collections of artifacts known as electronic portfolios are creating solutions to a variety of performance improvement needs in ways that are cost-effective and improve both individual and group learning and performance. When social media functionality is embedded in e-portfolios, the tools support collaboration, social learning,…

  7. The thermodynamics of portfolios

    OpenAIRE

    Piotrowski, Edward W.; Jan Sladkowski

    2000-01-01

    We propose a new method of valuation of portfolios and their respective investing strategies. To this end we define a canonical ensemble of portfolios that allows to use the formalism of thermodynamics. (final version published in Acta Phys.Pol.B,32(2001)597-604)

  8. Energy and sustainable development. The future is open; Energie et developpement durable. L'avenir est ouvert

    Energy Technology Data Exchange (ETDEWEB)

    Laponche, B.

    2003-07-01

    The author wonders on the place of the energy for the economic development, in the context of the sustainable development. The following subjects are discussed: the place of the energy resource in the economic growth, the energy consumption in the world, the energy production and the energy resources, the environmental impacts of the energy production and consumption, the rational utilization of the energy, the energy prospective. (A.L.B.)

  9. The approach of life cycle sustainability assessment of biorefineries

    NARCIS (Netherlands)

    Jungmeier, G.; Hingsamer, M.; Steiner, D.; Kaltenegger, I.; Kleinegris, D.; Ree, van R.; Jong, de E.

    2016-01-01

    A key driver for the necessary sustainable development is the implementation of the BioEconomy, which is based on renewable resources to satisfy its energy and material demand of our society. The broad spectrum of biomass resources offers great opportunities for a comprehensive product portfolio

  10. ISABEL Triggering Sustainable Biogas Energy Communities through Social Innovation

    Science.gov (United States)

    Baumgarten, Wibke; Piedra Garcia, Diego

    2017-04-01

    The Horizon 2020 funding project ISABEL (Triggering Sustainable Biogas Energy Communities through Social Innovation) is all about promoting, supporting and developing community biogas in Europe. The project is set on providing all the framework conditions for biogas communities to shape, develop and thrive. It works on all angles to pave the way for the transition from traditional supply chains to community ownership and take full advantage of the ample societal benefits of regional community-driven biogas systems, fuelled and inspired by Social Innovation principles. The biogas communities emerge in three targeted ISABEL regions, Baden-Württemberg in Germany, Central and Eastern Macedonia and Thrace in Greece and Yorkshire, Lincolnshire and the Humber in UK. To realize this vision ISABEL is employing its "5E strategy" with the following objectives: Educate: Re-position biogas energy by re-branding it as a "public good". Engage: Enable the development of regional Biogas Communities. Empower: Utilize the created momentum through Social Innovation and Public Participation Evaluate: Assess the local interventions and drafting lessons and guidelines Expand: Maximise impact through transfer and replication

  11. Hydrogen and the materials of a sustainable energy future

    Energy Technology Data Exchange (ETDEWEB)

    Zalbowitz, M. [ed.

    1997-02-01

    The National Educator`s Workshop (NEW): Update 96 was held October 27--30, 1996, and was hosted by Los Alamos National Laboratory. This was the 11th annual conference aimed at improving the teaching of material science, engineering and technology by updating educators and providing laboratory experiments on emerging technology for teaching fundamental and newly evolving materials concepts. The Hydrogen Education Outreach Activity at Los Alamos National Laboratory organized a special conference theme: Hydrogen and the Materials of a Sustainable Energy Future. The hydrogen component of the NEW:Update 96 offered the opportunity for educators to have direct communication with scientists in laboratory settings, develop mentor relationship with laboratory staff, and bring leading edge materials/technologies into the classroom to upgrade educational curricula. Lack of public education and understanding about hydrogen is a major barrier for initial implementation of hydrogen energy technologies and is an important prerequisite for acceptance of hydrogen outside the scientific/technical research communities. The following materials contain the papers and view graphs from the conference presentations. In addition, supplemental reference articles are also included: a general overview of hydrogen and an article on handling hydrogen safely. A resource list containing a curriculum outline, bibliography, Internet resources, and a list of periodicals often publishing relevant research articles can be found in the last section.

  12. Sustainable Energy Production from Jatropha Bio-Diesel

    Science.gov (United States)

    Yadav, Amit Kumar; Krishna, Vijai

    2012-10-01

    The demand for petroleum has risen rapidly due to increasing industrialization and modernization of the world. This economic development has led to a huge demand for energy, where the major part of that energy is derived from fossil sources such as petroleum, coal and natural gas. Continued use of petroleum sourced fuels is now widely recognized as unsustainable because of depleting supplies. There is a growing interest in using Jatropha curcas L. oil as the feedstock for biodiesel production because it is non-edible and thus does not compromise the edible oils, which are mainly used for food consumption. Further, J. curcas L. seed has a high content of free fatty acids that is converted in to biodiesel by trans esterification with alcohol in the presence of a catalyst. The biodiesel produced has similar properties to that of petroleum-based diesel. Biodiesel fuel has better properties than petro diesel fuel; it is renewable, biodegradable, non-toxic, and essentially free of sulfur and aromatics. Biodiesel seems to be a realistic fuel for future. Biodiesel has the potential to economically, socially, and environmentally benefit communities as well as countries, and to contribute toward their sustainable development.

  13. Salinity Gradients for Sustainable Energy: Primer, Progress, and Prospects.

    Science.gov (United States)

    Yip, Ngai Yin; Brogioli, Doriano; Hamelers, Hubertus V M; Nijmeijer, Kitty

    2016-11-15

    . While research attention is squarely focused on efficiency and power improvements, efforts to mitigate fouling and lower membrane and electrode cost will be equally important to reduce levelized cost of salinity gradient energy production and, thus, boost PRO, RED, and CapMix power generation to be competitive with other renewable technologies. Cognizance of the recent key developments and technical progress on the different technological fronts can help steer the strategic advancement of salinity gradient as a sustainable energy source.

  14. E3: Economy - Energy - Environment; Supporting Manufacturing Leadership through Sustainability

    Data.gov (United States)

    U.S. Environmental Protection Agency — The E3 initiative is designed to help you thrive in a new business era focused on sustainability and, working together, to promote sustainable manufacturing and...

  15. External Benefit Evaluation of Renewable Energy Power in China for Sustainability

    National Research Council Canada - National Science Library

    Zhao, Huiru; Guo, Sen

    2015-01-01

    ... goals and to implement differentiated supporting policies for different renewable energy power types, which can promote their sustainable development. In this paper, a hybrid MCDM method was ap...

  16. Multi-criteria sustainability assessment: A tool for evaluation of new energy system

    OpenAIRE

    Afgan Naim H.; Begić Fajik; Kazagić Anes

    2007-01-01

    One of perspective methods for the evaluation of quality of energy system is the multi-criteria sustainability assessment, based on the analysis and synthesis of indicators expressing different aspects of the system. Application of this methodology in the cases of information deficiency (ASPID methodology) enables evaluation of various energy systems. In the paper, the multi-criteria sustainability assessment of energy systems of various energy sources is used to evaluate the energy power sys...

  17. Towards a Sustainable Energy Balance: Progressive Efficiency and the Return of Energy Conservation

    Energy Technology Data Exchange (ETDEWEB)

    Diamond, Rick; Harris, Jeff; Diamond, Rick; Iyer, Maithili; Payne, Christopher; Blumstein, Carl; Siderius, Hans-Paul

    2007-08-13

    We argue that a primary focus on energy efficiency may not be sufficient to slow (and ultimately reverse) the growth in total energy consumption and carbon emissions. Instead, policy makers need to return to an earlier emphasis on"conservation," with energy efficiency seen as a means rather than an end in itself. We briefly review the concept of"intensive" versus"extensive" variables (i.e., energy efficiency versus energy consumption), and why attention to both consumption and efficiency is essential for effective policy in a carbon- and oil-constrained world with increasingly brittle energy markets. To start, energy indicators and policy evaluation metrics need to reflect energy consumption as well as efficiency. We introduce the concept of"progressive efficiency," with the expected or required level of efficiency varying as a function of house size, appliance capacity, or more generally, the scale of energy services. We propose introducing progressive efficiency criteria first in consumer information programs (including appliance labeling categories) and then in voluntary rating and recognition programs such as ENERGY STAR. As acceptance grows, the concept could be extended to utility rebates, tax incentives, and ultimately to mandatory codes and standards. For these and other programs, incorporating criteria for consumption as well as efficiency offers a path for energy experts, policy-makers, and the public to begin building consensus on energy policies that recognize the limits of resources and global carrying-capacity. Ultimately, it is both necessary and, we believe, possible to manage energy consumption, not just efficiency in order to achieve a sustainable energy balance. Along the way, we may find it possible to shift expectations away from perpetual growth and toward satisfaction with sufficiency.

  18. The standard for portfolio management

    CERN Document Server

    2017-01-01

    The Standard for Portfolio Management – Fourth Edition has been updated to best reflect the current state of portfolio management. It describe the principles that drive accepted good portfolio management practices in today’s organizations. It also expands the description of portfolio management to reflect its relation to organizational project management and the organization.

  19. Energy, Transportation, Air Quality, Climate Change, Health Nexus: Sustainable Energy is Good for Our Health

    Directory of Open Access Journals (Sweden)

    Larry E. Erickson

    2017-02-01

    Full Text Available The Paris Agreement on Climate Change has the potential to improve air quality and human health by encouraging the electrification of transportation and a transition from coal to sustainable energy. There will be human health benefits from reducing combustion emissions in all parts of the world. Solar powered charging infrastructure for electric vehicles adds renewable energy to generate electricity, shaded parking, and a needed charging infrastructure for electric vehicles that will reduce range anxiety. The costs of wind power, solar panels, and batteries are falling because of technological progress, magnitude of commercial activity, production experience, and competition associated with new trillion dollar markets. These energy and transportation transitions can have a very positive impact on health. The energy, transportation, air quality, climate change, health nexus may benefit from additional progress in developing solar powered charging infrastructure.

  20. Alliance for Sustainable Colorado Renovation Raises Its Energy Performance to New Heights, Commercial Building Energy Efficiency (Fact Sheet); Energy Efficiency & Renewable Energy (EERE)

    Energy Technology Data Exchange (ETDEWEB)

    None

    2015-03-01

    The Alliance for Sustainable Colorado (The Alliance) is a nonprofit organization aiming to transform sustainability from vision to reality. Part of its mission is to change the operating paradigms of commercial building design to make them more sustainable. Toward that end The Alliance uses its headquarters, The Alliance Center at 1536 Wynkoop Street in Denver, as a living laboratory, conductingpilot studies of innovative commercial-building-design solutions for using and generating energy.

  1. 75 FR 34657 - Energy Efficiency and Sustainable Design Standards for New Federal Buildings

    Science.gov (United States)

    2010-06-18

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF ENERGY 10 CFR Parts 433 and 435 RIN 1904-AC13 Energy Efficiency and Sustainable Design Standards for New Federal Buildings AGENCY: Office of Energy Efficiency and Renewable Energy, Department of Energy. ACTION: Proposed...

  2. Key Factors in Planning a Sustainable Energy Future Including Hydrogen and Fuel Cells

    Science.gov (United States)

    Hedstrom, Lars; Saxe, Maria; Folkesson, Anders; Wallmark, Cecilia; Haraldsson, Kristina; Bryngelsson, Marten; Alvfors, Per

    2006-01-01

    In this article, a number of future energy visions, especially those basing the energy systems on hydrogen, are discussed. Some often missing comparisons between alternatives, from a sustainability perspective, are identified and then performed for energy storage, energy transportation, and energy use in vehicles. It is shown that it is important…

  3. Sustainable energy in the flower bulb sector; Duurzame energie in de bloembollensector

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-06-15

    The aim of this study is to get a clear view on the technical and economic options for the deployment of sustainable technologies in the flower bulb sector. It subsequently addresses the energy demand of the sector and its distribution across various company processes. Next it addresses the penetration degree of sustainable techniques in use. After this, the opportunities for new sustainable techniques are elaborated. The most appealing techniques are calculated: wood-fired boiler (base load), gas-fired boiler (peak load) and the use of surface water; bio-CHP; PV modules and/or sustainable electricity [Dutch] Het doel van deze studie is de technische en economische mogelijkheden voor de toepassing van duurzame technologieën in de sector helder te krijgen. Hierbij is achtereenvolgens ingegaan op de energievraag van de sector en de opdeling daarvan over de verschillende bedrijfsprocessen. Vervolgens is ingegaan op de penetratiegraad waarin duurzame technieken zijn toegepast. Daarna zijn de mogelijkheden voor nieuwe duurzame technieken uitgewerkt. De meest aantrekkelijke technieken zijn doorgerekend: Houtketel (basislast), gasketel (pieklast) en het gebruik van oppervlaktewater; Bio-WKK; PV-panelen en/of duurzame elektriciteit.

  4. Drying and dryer from the aspect of renewable energy and sustainable development

    Directory of Open Access Journals (Sweden)

    Topić Radivoj

    2017-01-01

    Full Text Available Sustainable development, energy efficiency, renewable energy and environmental protection are the most pressing questions at the beginning of a new, 21st, century. The most important role of renewable energy in reducing greenhouse gases, increasing energy security and creation through small and medium enterprises. The paper gives a brief overview of renewable energy sources in terms of sustainable development, energy efficiency and environmental protection and the role of the drying process technology in sustainable development (see existing solutions with additional source of Energy and original solutions for drying using renewable sources through: reducing 'consumption' of energy, drying source of bio fuel, solar drying, wind energy and Biogas for drying, to reduce the 'loss' of resources, drying to protect the environment, etc. Before applying the global use every energy process and renewable source of energy, should be analyzed and valorized through 4E principle: ecology, efficiency, economy and education.

  5. Nuclear energy and sustainable development; Energia Nuclear y desarrollo sostenible

    Energy Technology Data Exchange (ETDEWEB)

    Gonzalez, E.

    2005-07-01

    To sustain decent environmental conditions, it is essential to contain the emission of greenhouse gases. to a great extent, this can be achieved by reducing the almost exclusive dependence of fossil fuels for producing electricity and by championing nuclear energy and the renewable, which in the end are the least contaminating. Specifically, operation of the European nuclear fleet avoids the yearly emission of 700 million tons of CO{sub 2} to the atmosphere. The need to combat climate change is very serious and increasingly imminent, especially if we remember that the World Health Organization has said that climate change could eventually cause 300,000 deaths. The different social players are aware of the problem. In fact, the European Union's Cabinet of Ministers approved the post-kyoto Environmental Strategy, which underlines the need to reduce CO{sub 2} emissions by 80% by the year 2050. It seems obvious that, in the long run, technological research and development will be fundamental pieces in the battle against environmental change and in the effort to one day provide 2,000 million people with access to electricity. (Author)

  6. Waste to energy – key element for sustainable waste management

    Energy Technology Data Exchange (ETDEWEB)

    Brunner, Paul H., E-mail: paul.h.brunner@tuwien.ac.at; Rechberger, Helmut

    2015-03-15

    Highlights: • First paper on the importance of incineration from a urban metabolism point of view. • Proves that incineration is necessary for sustainable waste management. • Historical and technical overview of 100 years development of MSW incineration. - Abstract: Human activities inevitably result in wastes. The higher the material turnover, and the more complex and divers the materials produced, the more challenging it is for waste management to reach the goals of “protection of men and environment” and “resource conservation”. Waste incineration, introduced originally for volume reduction and hygienic reasons, went through a long and intense development. Together with prevention and recycling measures, waste to energy (WTE) facilities contribute significantly to reaching the goals of waste management. Sophisticated air pollution control (APC) devices ensure that emissions are environmentally safe. Incinerators are crucial and unique for the complete destruction of hazardous organic materials, to reduce risks due to pathogenic microorganisms and viruses, and for concentrating valuable as well as toxic metals in certain fractions. Bottom ash and APC residues have become new sources of secondary metals, hence incineration has become a materials recycling facility, too. WTE plants are supporting decisions about waste and environmental management: They can routinely and cost effectively supply information about chemical waste composition as well as about the ratio of biogenic to fossil carbon in MSW and off-gas.

  7. Pension fund investments in Dutch sustainable energy. A quick scan; Beleggingen van pensioenfondsen in Nederlandse duurzame energie. Een quick scan

    Energy Technology Data Exchange (ETDEWEB)

    Van Gelder, J.W.; De Wilde, J. [Profundo, Amsterdam (Netherlands)

    2013-05-15

    It was examined whether Dutch pension funds invest (part of) their private investments in sustainable energy in the Netherlands. If possible, investments in private renewable energy are specified as much as possible [Dutch] Er is onderzocht of Nederlandse pensioenfondsen (een deel van) hun private beleggingen in duurzame energie in Nederland beleggen. Indien mogelijk zijn de investeringen in private duurzame energie zoveel mogelijk gespecificeerd.

  8. Psychological factors influencing sustainable energy technology acceptance : A review-based comprehensive framework

    NARCIS (Netherlands)

    Huijts, N. M. A.; Molin, E. J. E.; Steg, L.

    Environmental and societal problems related to energy use have spurred the development of sustainable energy technologies, such as wind mills, carbon capture and storage, and hydrogen vehicles. Public acceptance of these technologies is crucial for their successful introduction into society.

  9. Sustainable Mobility: Using a Global Energy Model to Inform Vehicle Technology Choices in a Decarbonized Economy

    National Research Council Canada - National Science Library

    Maria Grahn; Erica Klampfl; Margaret Whalen; Timothy Wallington

    2013-01-01

    .... Vehicle and fuel technologies are part of a global energy system, and assessing the impact of the availability of clean energy technologies and advanced vehicle technologies on sustainable mobility is a complex task...

  10. Can solar -biogas hybrid systems be the solution to sustainable energy supply in rural areas?

    CSIR Research Space (South Africa)

    Tazvinga, Henerica

    2011-04-01

    Full Text Available Access to modern energy services is a fundamental prerequisite for property reduction and sustainable human development. Many remote rural South African communities are characterized by low energy demand and low population densities, making...

  11. A Framework for Supporting Organizational Transition Processes Towards Sustainable Energy Systems

    Science.gov (United States)

    Buch, Rajesh

    Economic development over the last century has driven a tripling of the world's population, a twenty-fold increase in fossil fuel consumption, and a tripling of traditional biomass consumption. The associated broad income and wealth inequities are retaining over 2 billion people in poverty. Adding to this, fossil fuel combustion is impacting the environment across spatial and temporal scales and the cost of energy is outpacing all other variable costs for most industries. With 60% of world energy delivered in 2008 consumed by the commercial and industrial sector, the fragmented and disparate energy-related decision making within organizations are largely responsible for the inefficient and impacting use of energy resources. The global transition towards sustainable development will require the collective efforts of national, regional, and local governments, institutions, the private sector, and a well-informed public. The leadership role in this transition could be provided by private and public sector organizations, by way of sustainability-oriented organizations, cultures, and infrastructure. The diversity in literature exemplifies the developing nature of sustainability science, with most sustainability assessment approaches and frameworks lacking transformational characteristics, tending to focus on analytical methods. In general, some shortfalls in sustainability assessment processes include lack of: · thorough stakeholder participation in systems and stakeholder mapping, · participatory envisioning of future sustainable states, · normative aggregation of results to provide an overall measure of sustainability, and · influence within strategic decision-making processes. Specific to energy sustainability assessments, while some authors aggregate results to provide overall sustainability scores, assessments have focused solely on energy supply scenarios, while including the deficits discussed above. This paper presents a framework for supporting

  12. Sustainable energy development and water supply security in Kamojang Geothermal Field: The Energy-Water Nexus

    Science.gov (United States)

    Sofyan, Y.; Nishijima, J.; Fujimitsu, Y.

    2014-12-01

    The Kamojang Geothermal Field (KGF) is a typical vapor dominated hydrothermal system in West Java, Indonesia. This geothermal field is the oldest exploited geothermal field in Indonesia. From 1983 to 2005, more than 160 million tons of steam have been exploited from the KGF and more than 30 million tons of water were injected into the reservoir system. The injected water come from condensed water, local river and ground water. Sustainable production in the geothermal energy development is the ability of the production system applied to sustain the stable production level over long times and to manage the mass balance between production, injection and natural recharge in the geothermal reservoir during exploitation. Mass balance in the reservoir system can be monitored by using time lapse gravity monitoring. Mass variation of hydrodynamic in the reservoir of KGF from 1999 to 2005 is about -3.34 Mt/year while is about -3.78 Mt/year from 1999 to 2008. Another period between 2009 and 2010, mass variation decreased about -8.24 Mt. According to the history of production and injection, natural recharge to the KGF's reservoir is estimated at about 2.77 Mt/year from 1999 to 2005 and 2.75 Mt/year from 1999 to 2008. Between 2009 and 2010, KGF has a bigger mass deficiency rate throughout 200 MWe maintain production. Large amount of fresh water is needed for sustainable geothermal energy production, while the domestic water supply need is also increased. Natural recharge, about 50% of injected water, cooling system, drilling and other production activities in KGF spend large amounts of fresh water. Water consumption for local people around KGF is about 1.46 MT/year. The water volume around KGF of total runoff is the range between dry season 0.07 MT/month and rainy season 4.4 MT/month. The water demands for sustainable geothermal production of KGF and for local people's consumption will increase in the future. Integrated planning between the energy and water sectors in KGF

  13. Portfolio Management System

    Data.gov (United States)

    US Agency for International Development — PfMS is an implementation of WorkLenz. WorkLenz is USAID's portfolio management system tool. It is a commercially available, off-the-shelf (COTS) package that...

  14. Nuclear power and sustainable energy supply for Europe; Kernenergie im Kontext einer nachhaltigen Energieversorgung fuer Europa

    Energy Technology Data Exchange (ETDEWEB)

    Hilden, W. [Commission of the European Communities, Brussels (Belgium)

    2005-07-01

    The right energy mix is decisive. The European Commission feels that nuclear power can make an important contribution towards sustainable energy supply in Europe. Nuclear power should keep its place in the European energy mix. One important aspect in this regard is improved public acceptance through communication, transparency, and confidence building. High safety standards and a credible approach to the safe long-term management of radioactive waste are major components of this sustainable energy source. (orig./GL)

  15. Sustainable energy transitions in Austria: a participatory multi-criteria appraisal of scenarios

    OpenAIRE

    Kowalski, Katharina

    2012-01-01

    In the light of advancing climate change and the anticipated scarcity of affordable fossil fuels, a transition towards more sustainable energy systems is vital to allow for the long-term sustainability of human wellbeing. Energy is a key sustainability issue, at the heart of the complex interactions of socioeconomic and biophysical systems. The overall aim of this study is to contribute to furthering the understanding of these systems interactions. It intends to deliver methodological insight...

  16. Creating Consciousness About the Opportunities to Integrate Sustainable Energy on Islands

    DEFF Research Database (Denmark)

    Möller, Bernd; Nielsen, Steffen; Sperling, Karl

    2011-01-01

    Many islands face problems in regard to sustainable development, both environmentally and economically. Due to geographical isolation, resources like food, goods and energy are imported from the outside. Focusing on local energy use may help islands to identify sustainable strategies and solutions...

  17. SEE Action Guide for States: Evaluation, Measurement, and Verification Frameworks$-$Guidance for Energy Efficiency Portfolios Funded by Utility Customers

    Energy Technology Data Exchange (ETDEWEB)

    Li, Michael [Dept. of Energy (DOE), Washington DC (United States); Dietsch, Niko [US Environmental Protection Agency (EPA), Cincinnati, OH (United States)

    2018-01-01

    This guide describes frameworks for evaluation, measurement, and verification (EM&V) of utility customer–funded energy efficiency programs. The authors reviewed multiple frameworks across the United States and gathered input from experts to prepare this guide. This guide provides the reader with both the contents of an EM&V framework, along with the processes used to develop and update these frameworks.

  18. The effectiveness of capacity markets in the presence of a high portfolio share of renewable energy sources

    NARCIS (Netherlands)

    Bhagwat, P.C.; Iychettira, K.K.; Richstein, J.C.; Chappin, E.J.L.; de Vries, L.J.

    2017-01-01

    The effectiveness of a capacity market is analyzed by simulating three conditions that may cause suboptimal investment in the electricity generation: imperfect information and uncertainty; declining demand shocks resulting in load loss; and a growing share of renewable energy sources in the

  19. Towards a Sustainable Spatial Organization of the Energy System: Backcasting Experiences from Austria

    Directory of Open Access Journals (Sweden)

    Markus Knoflacher

    2012-02-01

    Full Text Available The transition to a sustainable energy system faces more challenges than a simple replacement of fossil energy sources by renewable ones. Since current structures do not favor sustainable energy generation and use, it is indispensable to change the existing infrastructure. A fundamental change of the energy system also requires re-organizing spatial structures and their respective institutions and governance structures. Especially in Austria, urban sprawl and unsustainable settlement structures are regarded as one of the main developments leading to increased energy demand. One of the aims within the project E-Trans 2050 was to identify socio-economic constellations that are central to the further transformation of the energy system and to focus on actors and their socio-technical framework conditions. Based on a sustainable future vision for the year 2050 a backcasting workshop was conducted to identify necessary steps for the envisaged transition to a more sustainable energy system. The results shed light on the necessary changes for a transformation towards sustainability in the specific Austrian situation. Critical issues are region-specific production of energy and its use, settlement and regional structures and values and role models, which all have a determining influence on energy demand. Combining the knowledge of extensive energy use with available energy resources in spatial planning decisions is a main challenge towards a long term sustainable energy system.

  20. Sustainable chemical processing and energy-carbon dioxide management: review of challenges and opportunities

    DEFF Research Database (Denmark)

    Frauzem, Rebecca; Vooradi, Ramsagar; Bertran, Maria-Ona

    2017-01-01

    of sustainable chemical processing in the utilization of biomass-based energy-chemicals production, carbon-capture and utilization with zero or negative CO2-emission to produce value added chemicals as well as retrofit design of energy intensive chemical processes with significant reduction of energy consumption...... are presented. These examples highlight issues of energy sustainable design, energy-CO2 neutral design, energy-retrofit design,and energy-process intensification. Finally, some perspectives on the status and future directions of carbon dioxide management are given....

  1. Defusing the Energy Trap: The Potential of Energy-Denominated Currencies to facilitate a Sustainable Energy Transition

    Directory of Open Access Journals (Sweden)

    Sgouris eSgouridis

    2014-02-01

    Full Text Available The universal adoption of fiat currencies and of the fractional reserve banking system coincided with access to and ability to utilize energy-dense fossil fuels leading to unprecedented rates of economic expansion. The depletion of economically recoverable fossil fuels though sets the stage for systemic crises as it is not adequately priced in the current market system. An energy-based system of exchange can be adopted in parallel to or in place of fiat currencies in order to facilitate a sustainable energy transition (SET and mitigate the impacts of such crises. Energy-backed and energy-referenced currencies are discussed as two possible variants for their ability to realign the economic system to the thermodynamic limits of the physical world. The primary advantage of an energy-referenced currency over the current mechanisms for SET (like feed-in tariffs or carbon taxes is realized with the decoupling of the monetary and credit functions, especially when debt is tied to future energy availability. While energy-backed (credit systems can be easier to adopt on a regional scale, the full transition to an energy-reference currency system requires significant reform of the financial and monetary system although it would not radically disrupt the current economic valuations given the high degree of correlation between value and embodied energy.

  2. The Energy-Water Nexus: Managing the Links between Energy and Water for a Sustainable Future

    Directory of Open Access Journals (Sweden)

    Karen Hussey

    2012-03-01

    Full Text Available Water and energy are each recognized as indispensable inputs to modern economies. And, in recent years, driven by the three imperatives of security of supply, sustainability, and economic efficiency, the energy and water sectors have undergone rapid reform. However, it is when water and energy rely on each other that the most complex challenges are posed for policymakers. Despite the links and the urgency in both sectors for security of supply, in existing policy frameworks, energy and water policies are developed largely in isolation from one another - a degree of policy fragmentation that is seeing erroneous developments in both sectors. Examples of the trade-offs between energy and water security include: the proliferation of desalination plants and interbasin transfers to deal with water scarcity; extensive groundwater pumping for water supplies; first-generation biofuels; the proliferation of hydropower plants; decentralized water supply solutions such as rainwater tanks; and even some forms of modern irrigation techniques. Drawing on case studies from Australia, Europe, and the United States, this Special Issue attempts to develop a comprehensive understanding of the links between energy and water, to identify where better-integrated policy and management strategies and solutions are needed or available, and to understand where barriers exist to achieve that integration. In this paper we draw out some of the themes emerging from the Special Issue, and, particularly, where insights might be valuable for policymakers, practitioners, and scientists across the many relevant domains.

  3. Sustainable energy for all? Linking poor communities to modern energy services

    Energy Technology Data Exchange (ETDEWEB)

    Wilson, Emma; Godfrey Wood, Rachel; Garside, Ben

    2012-12-15

    This paper explores energy delivery models that provide sustainable and clean energy services to the poor. Four key building blocks are: the implementation process, including finance, resource sourcing, conversion and end use; support services (additional services such as training or micro-finance facilities); the enabling environment of policies, regulations and incentives; and the socio-cultural context including local norms and preferences, decision-making structures and levels of social cohesion. A range of products and services targeted at communities located in diverse socio-cultural and geographical contexts are covered. Useful experiences are shared that can help to replicate or scale up successful models that link the poor to modern energy markets. The case studies were selected to illustrate a range of energy products and services, diverse socio-cultural contexts, various business models and partnerships, and varying degrees of formality in the markets under consideration. All of the case studies reveal the challenges of reaching the very poorest even with pro-poor innovations put in place. The four case studies explored in the paper are: The Project for Renewable Energy in Rural Markets (PERMER), Argentina; Portable solar product companies (Tough Stuff and d.light) in southern Asia and sub-Saharan Africa; The Anagi stove in Sri Lanka; and, Micro-hydro development in Nepal (the Rural Energy Development Programme). Lessons learned are highlighted.

  4. Sustainability is the best policy. Research challenges for a sustainable energy supply; Duurzaamheid duurt het langst. Onderzoeksuitdagingen voor een duurzame energievoorziening

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    Energy is vital to society, but our fossil fuel reserves are not inexhaustible and are also a serious source of environmental pollution. Research is required to ensure the long-term supply of energy. Dedicated scientific research can help us to access new sources of energy that will be less harmful to the environment. There is no one plan for energy transition. The research must focus on a system approach to the entire chain, from primary source of energy to end-user. This will involve exploring an extensive portfolio of potential energy options on a world scale. None of the options should be ruled out in advance. Dutch research efforts should be prioritised in association with research being carried out elsewhere. One requirement for ultimately achieving an energy transition that results in a sustainable energy supply is close collaboration between the public and private sectors and centres of expertise. A key factor is that the majority of the parties involved should share the same view of their ultimate goal. The main focus of research should be on energy sources that can make a considerable contribution to a sustainable global energy supply. Another requirement is that these sources must offer the Dutch research community opportunities in both fundamental and applied research. The Foresight Committee advocates the setting up of multidisciplinary research teams. Their long-term task (from idea generation to implementation) will be to analyse and offer guidance to a particular branch of industry or field of energy. Particular attention will go to creating opportunities for excellent young researchers who are pursuing a career in academia. The Foresight Committee has chosen to set up its report according to the various energy options. In Section 2, it notes that there are various ways of approaching energy systems. In addition to energy conservation, another key word is integration. The various options are reviewed in Section 3. The Foresight Committee has

  5. Assessment of Renewable Energy Technology and a Case of Sustainable Energy in Mobile Telecommunication Sector

    Directory of Open Access Journals (Sweden)

    Michael S. Okundamiya

    2014-01-01

    Full Text Available The rapid growth of the mobile telecommunication sectors of many emerging countries creates a number of problems such as network congestion and poor service delivery for network operators. This results primarily from the lack of a reliable and cost-effective power solution within such regions. This study presents a comprehensive review of the underlying principles of the renewable energy technology (RET with the objective of ensuring a reliable and cost-effective energy solution for a sustainable development in the emerging world. The grid-connected hybrid renewable energy system incorporating a power conversion and battery storage unit has been proposed based on the availability, dynamism, and technoeconomic viability of energy resources within the region. The proposed system’s performance validation applied a simulation model developed in MATLAB, using a practical load data for different locations with varying climatic conditions in Nigeria. Results indicate that, apart from being environmentally friendly, the increase in the overall energy throughput of about 4 kWh/$ of the proposed system would not only improve the quality of mobile services, by making the operations of GSM base stations more reliable and cost effective, but also better the living standards of the host communities.

  6. Assessment of renewable energy technology and a case of sustainable energy in mobile telecommunication sector.

    Science.gov (United States)

    Okundamiya, Michael S; Emagbetere, Joy O; Ogujor, Emmanuel A

    2014-01-01

    The rapid growth of the mobile telecommunication sectors of many emerging countries creates a number of problems such as network congestion and poor service delivery for network operators. This results primarily from the lack of a reliable and cost-effective power solution within such regions. This study presents a comprehensive review of the underlying principles of the renewable energy technology (RET) with the objective of ensuring a reliable and cost-effective energy solution for a sustainable development in the emerging world. The grid-connected hybrid renewable energy system incorporating a power conversion and battery storage unit has been proposed based on the availability, dynamism, and technoeconomic viability of energy resources within the region. The proposed system's performance validation applied a simulation model developed in MATLAB, using a practical load data for different locations with varying climatic conditions in Nigeria. Results indicate that, apart from being environmentally friendly, the increase in the overall energy throughput of about 4 kWh/$ of the proposed system would not only improve the quality of mobile services, by making the operations of GSM base stations more reliable and cost effective, but also better the living standards of the host communities.

  7. Assessment of Renewable Energy Technology and a Case of Sustainable Energy in Mobile Telecommunication Sector

    Science.gov (United States)

    Okundamiya, Michael S.; Emagbetere, Joy O.; Ogujor, Emmanuel A.

    2014-01-01

    The rapid growth of the mobile telecommunication sectors of many emerging countries creates a number of problems such as network congestion and poor service delivery for network operators. This results primarily from the lack of a reliable and cost-effective power solution within such regions. This study presents a comprehensive review of the underlying principles of the renewable energy technology (RET) with the objective of ensuring a reliable and cost-effective energy solution for a sustainable development in the emerging world. The grid-connected hybrid renewable energy system incorporating a power conversion and battery storage unit has been proposed based on the availability, dynamism, and technoeconomic viability of energy resources within the region. The proposed system's performance validation applied a simulation model developed in MATLAB, using a practical load data for different locations with varying climatic conditions in Nigeria. Results indicate that, apart from being environmentally friendly, the increase in the overall energy throughput of about 4 kWh/$ of the proposed system would not only improve the quality of mobile services, by making the operations of GSM base stations more reliable and cost effective, but also better the living standards of the host communities. PMID:24578673

  8. Energy efficiency, human behavior, and economic growth: Challenges to cutting energy demand to sustainable levels

    Science.gov (United States)

    Santarius, Tilman

    2015-03-01

    Increasing energy efficiency in households, transportation, industries, and services is an important strategy to reduce energy service demand to levels that allow the steep reduction of greenhouse gases, and a full fledged switch of energy systems to a renewable basis. Yet, technological efficiency improvements may generate so-called rebound effects, which may `eat up' parts of the technical savings potential. This article provides a comprehensive review of existing research on these effects, raises critiques, and points out open questions. It introduces micro-economic rebound effect and suggests extending consumer-side analysis to incorporate potential `psychological rebound effects.' It then discusses meso-economic rebound effects, i.e. producer-side and market-level rebounds, which so far have achieved little attention in the literature. Finally, the article critically reviews evidence for macro-economic rebound effects as energy efficiency-induced economic growth impacts. For all three categories, the article summarizes assessments of their potential quantitative scope, while pointing out remaining methodological weaknesses and open questions. As a rough "rule of thumb", in the long term and on gross average, only half the technical savings potential of across-the-board efficiency improvements may actually be achieved in the real world. Policies that aim at cutting energy service demand to sustainable levels are well advised to take due note of detrimental behavioral and economic growth impacts, and should foster policies and measures that can contain them.

  9. Sustainable chemical processing and energy-carbon dioxide management: review of challenges and opportunities

    DEFF Research Database (Denmark)

    Vooradi, Ramsagar; Bertran, Maria-Ona; Frauzem, Rebecca

    2017-01-01

    This paper presents a brief review of the available energy sources for consumption, their effects in terms of CO2-emission and its management, and sustainable chemical processing where energy-consumption, CO2-emission, as well as economics and environmental impacts are considered. Not all availab...... are presented. These examples highlight issues of energy sustainable design, energy-CO2 neutral design, energy-retrofit design,and energy-process intensification. Finally, some perspectives on the status and future directions of carbon dioxide management are given....

  10. Energy use and sustainable development in the 21st century - Local action and national strategies

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-07-01

    This report sums up the conference ''Energy use and sustainable development in the 21st century - Local action and national strategies'' that was held in Oslo in 1999. The purpose of the conference was to stimulate the development of climate- and energy strategies and actions that support a sustainable use of energy locally and regionally. The report discusses important points from the various contributions and from the workshops of the conference.

  11. Reducing the operational energy demand in buildings using building information modeling tools and sustainability approaches

    OpenAIRE

    Shoubi, Mojtaba Valinejad; Shoubi, Masoud Valinejad; Bagchi, Ashutosh; Barough, Azin Shakiba

    2015-01-01

    A sustainable building is constructed of materials that could decrease environmental impacts, such as energy usage, during the lifecycle of the building. Building Information Modeling (BIM) has been identified as an effective tool for building performance analysis virtually in the design stage. The main aims of this study were to assess various combinations of materials using BIM and identify alternative, sustainable solutions to reduce operational energy consumption. The amount of energy con...

  12. Export growth, energy costs, and sustainable supply chains

    Science.gov (United States)

    2010-11-01

    The report examines sustainable supply chains in North America and the role played by rail intermodal : operations in lowering ten-mile fuel and emission costs. It examines whether current systems favor imports : over exports a current complaint ...

  13. Keeping the Future Bright: Department of Defense (DOD) Sustainable Energy Strategy for Installations

    Science.gov (United States)

    2016-04-04

    on cost , operations and force structure. • Identify opportunities to deploy renewable and alternative energy sources for facilities and deployed forces...reduce the cost of operations .2 The Department developed an installation sustainable energy strategy designed to assure energy independence and...President Carter elevated the energy availability discussion during a televised energy 2 ProCon.org, “History of Alternative Energy and Fossil Fuel

  14. Multi-criteria sustainability assessment: A tool for evaluation of new energy system

    Directory of Open Access Journals (Sweden)

    Afgan Naim H.

    2007-01-01

    Full Text Available One of perspective methods for the evaluation of quality of energy system is the multi-criteria sustainability assessment, based on the analysis and synthesis of indicators expressing different aspects of the system. Application of this methodology in the cases of information deficiency (ASPID methodology enables evaluation of various energy systems. In the paper, the multi-criteria sustainability assessment of energy systems of various energy sources is used to evaluate the energy power system of Bosnia and Herzegovina. Eight different energy system options are taken into a consideration as the potential options for the capacity building within the energy power system of Bosnia and Herzegovina. It has included various renewable sources and fossil fuel clean technologies. Within the multi-criteria sustainability assessment method, sustainability indicators and weighting coefficients are defined and calculated, including: resource indicator, environment indicator, social indicator and economic indicator with respective weighting factors. The methodology includes the system of stochastic models of uncertainty in order to realize the assessment from various supporting systems, and to obtain respective normalization indexes by using non-numeric (ordinal, non-exact (interval, and non-complete information (NNN- information, for sources of various reliability and probability. By the analysis of multi-criteria sustainability assessment of selected options, the decision makers could be enabled to form opinion on quality of considered energy systems, and from the aspect of sustainability, make selection an optimum option of energy system. .

  15. Preparedness Portfolios and Portfolio Studios: Supporting Self-Authoring Engineers

    Science.gov (United States)

    Sattler, Brook; Turns, Jennifer

    2015-01-01

    In this work, we engaged engineering undergraduate students in constructing an ePortfolio. The purpose of the research presented here was to explore the question, "If and in what ways do students report experiencing the construction of a preparedness portfolio in a portfolio studio as an opportunity to develop into self-authoring…

  16. A Framework for Defining Sustainable Energy Transitions: Principles, Dynamics, and Implications

    Directory of Open Access Journals (Sweden)

    Sgouris Sgouridis

    2014-05-01

    Full Text Available While partial energy transitions have been observed in the past, the complete transition of a fossil-based energy system to a sustainable energy one is historically unprecedented on a large scale. Switching from an economy based on energy stocks to one based on energy flows requires a social paradigm shift. This paper defines Sustainable Energy Transition (SET and introduces a set of five propositions that prescribe its sustainability. The propositions are comprehensive, spanning environmental constraints, resource availability, equity, and the transition dynamics from an energy and economic accounting perspective aimed at addressing all three pillars of sustainability. In order to rigorously define the constraints of SET a theoretical energy economy framework is introduced along with the concept of the renewable energy investment ratio. The paper concludes with a practical application of the SET propositions on the global energy system and identifies an order of magnitude underinvestment in the renewable energy investment ratio in comparison to the estimated level needed for a controlled transition that satisfies all propositions. The option of drastically increasing this ratio in the future may not be available as it would reduce societally available energy, imposing unacceptably high energy prices that would induce either fossil resource extraction beyond the safely recoverable resources or energy poverty.

  17. Analysis of the interrelationship of energy, economy, and environment: A model of a sustainable energy future for Korea

    Science.gov (United States)

    Boo, Kyung-Jin

    The primary purpose of this dissertation is to provide the groundwork for a sustainable energy future in Korea. For this purpose, a conceptual framework of sustainable energy development was developed to provide a deeper understanding of interrelationships between energy, the economy, and the environment (E 3). Based on this theoretical work, an empirical simulation model was developed to investigate the ways in which E3 interact. This dissertation attempts to develop a unified concept of sustainable energy development by surveying multiple efforts to integrate various definitions of sustainability. Sustainable energy development should be built on the basis of three principles: ecological carrying capacity, economic efficiency, and socio-political equity. Ecological carrying capacity delineates the earth's resource constraints as well as its ability to assimilate wastes. Socio-political equity implies an equitable distribution of the benefits and costs of energy consumption and an equitable distribution of environmental burdens. Economic efficiency dictates efficient allocation of scarce resources. The simulation model is composed of three modules: an energy module, an environmental module and an economic module. Because the model is grounded on economic structural behaviorism, the dynamic nature of the current economy is effectively depicted and simulated through manipulating exogenous policy variables. This macro-economic model is used to simulate six major policy intervention scenarios. Major findings from these policy simulations were: (1) carbon taxes are the most effective means of reducing air-pollutant emissions; (2) sustainable energy development can be achieved through reinvestment of carbon taxes into energy efficiency and renewable energy programs; and (3) carbon taxes would increase a nation's welfare if reinvested in relevant areas. The policy simulation model, because it is based on neoclassical economics, has limitations such that it cannot fully

  18. Microalgal hydrogen production: prospects of an essential technology for a clean and sustainable energy economy.

    Science.gov (United States)

    Bayro-Kaiser, Vinzenz; Nelson, Nathan

    2017-09-01

    Modern energy production is required to undergo a dramatic transformation. It will have to replace fossil fuel use by a sustainable and clean energy economy while meeting the growing world energy needs. This review analyzes the current energy sector, available energy sources, and energy conversion technologies. Solar energy is the only energy source with the potential to fully replace fossil fuels, and hydrogen is a crucial energy carrier for ensuring energy availability across the globe. The importance of photosynthetic hydrogen production for a solar-powered hydrogen economy is highlighted and the development and potential of this technology are discussed. Much successful research for improved photosynthetic hydrogen production under laboratory conditions has been reported, and attempts are underway to develop upscale systems. We suggest that a process of integrating these achievements into one system to strive for efficient sustainable energy conversion is already justified. Pursuing this goal may lead to a mature technology for industrial deployment.

  19. ISD: A New Methodological Approach for Measuring the Sustainability of the German Energy System

    Directory of Open Access Journals (Sweden)

    Holger Schlör

    2011-01-01

    Full Text Available The research community has developed three main concepts and indicator systems to measure sustainability: the capital concept, the ecological concept and the multidimensional concept. Whereas a lot of research has been dedicated to the pros and cons of the three/four-pillar sustainability concept, to the shaping of the pillars and their indicators, research on standardized methods to aggregate the indicators to one index is lacking. However, a useful model exists—the GDP—which summarizes the different economic activities of various social actors in one index. An overall sustainability index has the advantage that the sustainability of a system can be expressed in one index. This allows the sustainability status of a system to be better communicated both to the public and to politicians. Against this background, we developed the Index of Sustainable Development (ISD to measure the sustainability of systems described by multidimensional sustainability concepts. We demonstrate that it is possible to aggregate sustainability indicators of the multidimensional sustainability concepts to one index. We have chosen exemplarily the German sustainability strategy and selected the energy indicators within it because of the importance of the energy sector and due to the good statistical database in this sector.

  20. Portfolio Assessment for Better Evaluation.

    Science.gov (United States)

    Goolsby, Thomas W.

    1995-01-01

    Advocates using portfolio assessment in music education, more as a teaching tool than a final evaluative instrument. Explains those advantages and disadvantages of portfolio assessment that are peculiar to music education. Discusses materials for inclusion. (MJP)

  1. Energy conservation for a sustainable energy supply; Energiebesparing voor een duurzame energievoorziening

    Energy Technology Data Exchange (ETDEWEB)

    Rooijers, F.; Kampman, B.; Bennink, D.; Bles, M.; Van Lieshout, M.; Schepers, B.

    2013-05-15

    Options available for improving energy efficiency in the Netherlands are listed and discussed. As detailed in this report, there is still substantial scope for reducing energy consumption in the production and use of energy carriers, much of it not only attractive from the perspective of society as a whole but also profitable for the actors concerned. By exploiting these opportunities, sustainability targets can be cost-effectively met. The report examines why so much potential is still not being utilised and how this can be remedied. Following a description of the potential for energy conservation, a package of smart, effective policies is recommended to secure this potential [Dutch] De mogelijkheden van energiebesparing in Nederland zijn in kaart gebracht. In deze notitie wordt aangetoond dat bij energiebesparing bij het gebruik en bij de productie van energiedragers nog veel onbenut, maar maatschappelijk aantrekkelijk potentieel ligt, waarvan een groot deel rendabel is. Benutting daarvan leidt ertoe dat de duurzaamheidsdoelen op een kosteneffectieve manier behaald kunnen worden. We hebben onderzocht waarom veel potentieel nu niet benut wordt en hoe dat wel kan gebeuren. Deze analyse beschrijft het besparingspotentieel en biedt voorstellen voor een pakket aan slimme, effectieve beleidsinstrumenten om dit potentieel te realiseren: door inzet van verplichtingen en door energiebesparing aantrekkelijker te maken.

  2. Natural gas contracts in efficient portfolios

    Energy Technology Data Exchange (ETDEWEB)

    Sutherland, R.J.

    1994-12-01

    This report addresses the {open_quotes}contracts portfolio{close_quotes} issue of natural gas contracts in support of the Domestic Natural Gas and Oil Initiative (DGOI) published by the U.S. Department of Energy in 1994. The analysis is a result of a collaborative effort with the Public Service Commission of the State of Maryland to consider {open_quotes}reforms that enhance the industry`s competitiveness{close_quotes}. The initial focus of our collaborative effort was on gas purchasing and contract portfolios; however, it became apparent that efficient contracting to purchase and use gas requires a broader consideration of regulatory reform. Efficient portfolios are obtained when the holder of the portfolio is affected by and is responsible for the performance of the portfolio. Natural gas distribution companies may prefer a diversity of contracts, but the efficient use of gas requires that the local distribution company be held accountable for its own purchases. Ultimate customers are affected by their own portfolios, which they manage efficiently by making their own choices. The objectives of the DGOI, particularly the efficient use of gas, can be achieved when customers have access to suppliers of gas and energy services under an improved regulatory framework. The evolution of the natural gas market during the last 15 years is described to account for the changing preferences toward gas contracts. Long-term contracts for natural gas were prevalent before the early 1980s, primarily because gas producers had few options other than to sell to a single pipeline company, and this pipeline company, in turn, was the only seller to a gas distribution company.

  3. Towards sustainable household energy use in the Netherlands

    NARCIS (Netherlands)

    van der Wal, J; Moll, H.C.

    2001-01-01

    Households consume direct energy, using natural gas, heating oil, gasoline and electricity, and consume indirect energy, the energy related to the production of goods and the delivery of services for the households. Past trends and present-day household energy use (direct and indirect) are analysed

  4. Large Combined Heat and Power Plants for Sustainable Energy System

    DEFF Research Database (Denmark)

    Lund, Rasmus Søgaard; Mathiesen, Brian Vad

    . CHP (combined heat and power) plants in Denmark will change their role from base load production to balancing the fluctuation in renewable energy supply, such as wind power and at the same time they have to change to renewable energy sources. Some solutions are already being planned by utilities......An energy supply based on 100% renewable energy in Denmark is the official goal for the Danish energy policy towards 2050. A smart energy system should be developed to integrate as much supply from fluctuating renewable sources and to utilise the scarce biomass resources as efficiently as possible...... are constructed to analyse how the different alternatives influences the energy system. The scenarios are analysed in the energy systems modelling tool EnergyPLAN both from a technical energy systems perspective and from a market economic analysis with focus on the electricity exchange potential of the scenarios...

  5. Portfolios for assessment and learning: AMEE Guide no. 45.

    Science.gov (United States)

    Van Tartwijk, Jan; Driessen, Erik W

    2009-09-01

    In 1990, Miller wrote that no tools were available for assessment of what a learner does when functioning independently at the clinical workplace (Miller 1990 ). Since then portfolios have filled this gap and found their way into medical education, not only as tools for assessment of performance in the workplace, but also as tools to stimulate learning from experience. We give an overview of the content and structure of various types of portfolios, describe the potential of electronic portfolios, present techniques and strategies for using portfolios as tools for stimulating learning and for assessment, and discuss factors that influence the success of the introduction. We conclude that portfolios have a lot of potential but that their introduction also often leads to disappointment, because they require a new perspective on education from mentors and learners and a significant investment of time and energy.

  6. Sustainability, overall and process efficiency of energy crops

    OpenAIRE

    Schäfer, Winfried

    2008-01-01

    A method to calculate efficiency of energy crop production including sun energy, direct and indirect energy for cultivation, processing, and conversion into fuel is demonstrated using rape and derived fuels as an example. Every production and conversion step is a process and calculated separately. The overall efficiency includes energy input and output of all processes. The process efficiency of rape cultivation reaches in Finland up to 1100 %. However, the overall energy effic...

  7. Decentralized Portfolio Management

    Directory of Open Access Journals (Sweden)

    Benjamin Miranda Tabak

    2003-12-01

    Full Text Available We use a mean-variance model to analyze the problem of decentralized portfolio management. We find the solution for the optimal portfolio allocation for a head trader operating in n different markets, which is called the optimal centralized portfolio. However, as there are many traders specialized in different markets, the solution to the problem of optimal decentralized allocation should be different from the centralized case. In this paper we derive conditions for the solutions to be equivalent. We use multivariate normal returns and a negative exponential function to solve the problem analytically. We generate the equivalence of solutions by assuming that different traders face different interest rates for borrowing and lending. This interest rate is dependent on the ratio of the degrees of risk aversion of the trader and the head trader, on the excess return, and on the correlation between asset returns.

  8. Portfolio som undervisningsmedie

    DEFF Research Database (Denmark)

    Keiding, Tina Bering

    2009-01-01

    .   Portfolios baserer sig altovervejende på skrift-sproglig medieret kommunikation. Dette fokus på sprogligt medierede iagttagelser har uddannelsesmæssige og læringsmæssige implikationer, uanset om de tager form som mundtligt refleksivitet (fx i vejledningssituationer) eller skriftlig refleksivitet (fx i...... logbøger og portfolios). Viden er, hvad angår mennesker, ikke sproglig. I det øjeblik viden gives sproglig form - uanset om det er viden som forholdsvis let udtrykkes i sproglig form eller om det er viden som kun vanskeligt lader sig forme til sproglige udtryk - reduceres denne viden i forhold til dens......-intenderede konsekvenser, og at uddannelse og undervisning - modsat den etablerede portfolio-litteratur - må have blik for begge....

  9. A review of China’s approaches toward a sustainable energy future: the period since 1990

    DEFF Research Database (Denmark)

    Zhu, Xianli; Zhuang, Guiyang; Xiong, Na

    2014-01-01

    energy future. It then uses eight indicators to assess China’s progress in improving the sustainability of its energy system. This article finally discusses some aspects that could be improved and the new directions and initiatives China is taking to tackle new issues in its energy development. © 2013...... to meet the widening gap between domestic demand and supply, and reducing environmental pollution and greenhouse gas emissions. Identifying China’s approaches toward ensuring a sustainable energy future in the last two decades and assessing their effectiveness can be of great value to the future of energy......, affordable and reliable energy supplies, and the evolution of China’s strategies for energy development since 1990. On the basis of an empirical review of the different policies and measures taken by the government over time, it explains China’s approach to achieving the different aspects of a sustainable...

  10. Energy for road passenger transport and sustainable development: assessing policies and goals interactions

    DEFF Research Database (Denmark)

    Meza, Maria Josefina Figueroa; Ribeiro, Suzana Kahn

    2013-01-01

    Development that is sustainable requires an operational, efficient and safe transportation system fueled by clean, low-carbon, secure and affordable energy. The energy used in road passenger transport enables social and economic development and is the target of interventions to fight pressing urban...... environmental problems, energy security concerns and dangerous climate change. This review explores a systematic approach to describe interactions documented in the literature, between policies targeting energy use in road passenger transport to reduce petroleum consumption and greenhouse gas emissions...... measures and goals as exemplified in this approach can help inform practical transport energy policy that better match an agenda for sustainable development....

  11. Multiple criteria decision making for sustainable energy and transportation systems. Proceedings

    Energy Technology Data Exchange (ETDEWEB)

    Ehrgott, Matthias [Auckland Univ. (New Zealand). Dept. of Engineering Science; Naujoks, Boris [Login GmbH, Schwelm (Germany).; Stewart, Theodor J. [Cape Town Univ., Rondebosch (South Africa). Dept. of Statistical Sciences; Wallenius, Jyrki (eds.) [Helsinki School of Economics (Finland). Dept. of Business Technology

    2010-07-01

    In the twenty-first century the sustainability of energy and transportation systems is on the top of the political agenda in many countries around the world and governments are establishing policies towards a sustainable, low emissions energy future. Environmental impacts of human economic activity necessitate the consideration of conflicting goals in decision making processes to develop sustainable systems. Any sustainable development has to reconcile conflicting economic and environmental objectives and criteria. The science of multiple criteria decision making has a lot to offer in addressing this need. Decision making with multiple (conflicting) criteria is the topic of research that is at the heart of the International Society of Multiple Criteria Decision Making. This book is based on selected papers presented at the societies 19th International Conference, held at The University of Auckland, New Zealand, from 7th to 12th January 2008 under the theme ''MCDM for Sustainable Energy and Transportation Systems''. (orig.)

  12. Digital Portfolios: Fact or Fashion?

    Science.gov (United States)

    Woodward, Helen; Nanlohy, Phil

    2004-01-01

    The value of portfolios as an assessment tool is thoroughly researched and their use in education is well documented ( Woodward, 2000). Research on the introduction of digital portfolios is substantially based on general portfolio research; however, additional specific factors and features need to be considered. One of the inherent dangers with…

  13. Portfolio Analysis for Vector Calculus

    Science.gov (United States)

    Kaplan, Samuel R.

    2015-01-01

    Classic stock portfolio analysis provides an applied context for Lagrange multipliers that undergraduate students appreciate. Although modern methods of portfolio analysis are beyond the scope of vector calculus, classic methods reinforce the utility of this material. This paper discusses how to introduce classic stock portfolio analysis in a…

  14. Agile Project Portfolio Management

    DEFF Research Database (Denmark)

    Andersen, Jesper Rank; Riis, Jens Ove; Mikkelsen, Hans

    2005-01-01

    in the managerial hierarchy. They compete for resources and managerial attention, and they often take too long time - and some do not survive in the rapid changing context. Top man¬agers ask for speed, flexibility and effectiveness in the portfolio of development activities (projects). But which competencies......This paper will provide a preliminary introduction to the application of Agile Thinking in management of project portfolio and company development. At any point in time, companies have a crowd of development initiatives spread around the organisation and managed at different levels...

  15. PSN: Portfolio Social Network

    DEFF Research Database (Denmark)

    Cortes, Jordi Magrina; Nizamani, Sarwat; Memon, Nasrullah

    2014-01-01

    In this paper we present a web-based information system which is a portfolio social network (PSN) that provides solutions to the recruiters and job seekers. The proposed system enables users to create portfolio so that he/she can add his specializations with piece of code if any specifically...... for software engineers, that is online accessible. The unique feature of the system is to facilitate the recruiters to quickly view the prominent skills of the users. A comparative analysis of the proposed system with the state of the art systems is presented. The comparative study reveals that the proposed...

  16. Linearly Adjustable International Portfolios

    Science.gov (United States)

    Fonseca, R. J.; Kuhn, D.; Rustem, B.

    2010-09-01

    We present an approach to multi-stage international portfolio optimization based on the imposition of a linear structure on the recourse decisions. Multiperiod decision problems are traditionally formulated as stochastic programs. Scenario tree based solutions however can become intractable as the number of stages increases. By restricting the space of decision policies to linear rules, we obtain a conservative tractable approximation to the original problem. Local asset prices and foreign exchange rates are modelled separately, which allows for a direct measure of their impact on the final portfolio value.

  17. Implications of Frugal Innovations on Sustainable Development: Evaluating Water and Energy Innovations

    Directory of Open Access Journals (Sweden)

    Jarkko Levänen

    2015-12-01

    Full Text Available Frugal innovations are often associated with sustainable development. These connections, however, are based on anecdotal assumptions rather than empirical evidence. This article evaluates the sustainability of four frugal innovations from water and energy sectors. For the purposes of the evaluation, a set of indicators was developed. Indicators are drawn from sustainable development goals by the United Nations and they encompass central dimensions of sustainability: ecological, social and economic. In this article, frugal innovations are compared to solutions that are currently used in similar low-income contexts. Studied frugal innovations were found more sustainable in terms of energy production and water purification capacity than the existing solutions. In terms of social sustainability, larger differences between innovations were found. For example, business models of frugal energy solutions focus on capacity building and the inclusion of marginalized low-income people, whereas business models of water purification solutions focus on more traditional corporate social responsibility activities, such as marketing awareness campaigns and cooperation with non-governmental organizations. Three major sustainability challenges for frugal innovators were identified: (1 the proper integration of material efficiency into product or service systems; (2 the patient promotion of inclusive employment; and (3 the promotion of inclusive and sustainable local industrialization. The article concludes that despite indisputable similarities between frugality and sustainability, it is problematic to equate the two conceptually.

  18. In search of a holistic, sustainable and replicable model for complete energy refurbishment in historic buildings

    Directory of Open Access Journals (Sweden)

    Marija S. Todorović

    2012-12-01

    Full Text Available The reduction of greenhouse gas emissions in buildings offers one of the most promising opportunities for developed and developing countries to cooperate in achieving the realization of significant energy efficiency improvements. However, achieving sustainability is not an easy task unless there is synergy with/between energy efficiency improvement and renewable energy sources (RES - these are not at present in widespread dissemination and use. This paper recognizes the synergetic relationship between conservation and sustainability. At present, the role of heritage conservation in achieving sustainability has not yet been fully recognized, nor have heritage needs been well integrated into sustainability initiatives. Historic buildings are inherently sustainable. Preservation maximizes the use of existing materials and infrastructures, reduces waste, and preserves the historical character of older towns and cities. Sustainability begins with preservation. Taking into account the original climatic adaptations of historic buildings, today’s sustainable technology can supplement inherent sustainable features without compromising their unique historical character. Furthermore, a number of paper reviews and case studies with related methodologies outline the need to implement the latest current knowledge and technologies (BPS - Building Performance Simulation and CFD - Computational Fluid Dynamics for use in the refurbishment design process, as well as highlighting the crucial importance of sustainability, relevant benchmarking and rating system development.

  19. 75 FR 29933 - Energy Efficiency and Sustainable Design Standards for New Federal Buildings

    Science.gov (United States)

    2010-05-28

    ... From the Federal Register Online via the Government Publishing Office ] DEPARTMENT OF ENERGY 10 CFR Parts 433 and 435 RIN 1904-AC13 Energy Efficiency and Sustainable Design Standards for New Federal... proposed rulemaking. SUMMARY: The U.S. Department of Energy (DOE) is publishing this notice of proposed...

  20. Management Strategies for Sustainability Education, Planning, Design, Energy Conservation in California Higher Education

    Science.gov (United States)

    Petratos, Panagiotis; Damaskou, Evangelia

    2015-01-01

    Purpose: The purpose of this paper is to describe and analyze the effects of campus sustainability planning to annual campus energy inflows and outflows in California higher education. The paper also offers a preliminary statistical analysis for the evaluation of impact factors on energy outflows and a link between energy outflows and building…

  1. Practicing Sustainability in an Urban University: A Case Study of a Behavior Based Energy Conservation Project

    Science.gov (United States)

    Chan, Stuart; Dolderman, Dan; Savan, Beth; Wakefield, Sarah

    2012-01-01

    This case study of the University of Toronto Sustainability Office's energy conservation project, Rewire, explores the implementation of a social marketing campaign that encourages energy efficient behavior. Energy conservation activities have reached approximately 3,000 students and staff members annually, and have saved electricity, thermal…

  2. Researching and modelling energy efficiency, sustainability and flexibility of biogas chains

    NARCIS (Netherlands)

    H. Moll; F. Pierie; W. van Gemert; R. Benders

    2012-01-01

    Biogas can be seen as a flexible and storable energy carrier, capable of absorbing intermittent energy production and demand. However, the sustainability and efficiency of biogas production as a flexible energy provider is not fully understood. This research will focus on simulating biogas

  3. Moving Sustainability Forward: Energy Efficient Renovations and Solar Solutions

    Science.gov (United States)

    Taylor, Bill

    2011-01-01

    For any goal to be a "smart goal" it needs to be specific, measurable, attainable, relevant and time sensitive. This is equally true for sustainability goals for educational facilities. Evidence abounds that "green strategies" greatly impact both the academic and operational performance of a school. Agencies from the U.S. Environmental Protection…

  4. Heterogeneous world model and collaborative scenarios of transition to globally sustainable nuclear energy systems

    Directory of Open Access Journals (Sweden)

    Kuznetsov Vladimir

    2015-01-01

    Full Text Available The International Atomic Energy Agency's International Project on Innovative Nuclear Reactors and Fuel Cycles (INPRO is to help ensure that nuclear energy is available to contribute to meeting global energy needs of the 21st century in a sustainable manner. The INPRO task titled “Global scenarios” is to develop global and regional nuclear energy scenarios that lead to a global vision of sustainable nuclear energy in the 21st century. Results of multiple studies show that the criteria for developing sustainable nuclear energy cannot be met without innovations in reactor and nuclear fuel cycle technologies. Combining different reactor types and associated fuel chains creates a multiplicity of nuclear energy system arrangements potentially contributing to global sustainability of nuclear energy. In this, cooperation among countries having different policy regarding fuel cycle back end would be essential to bring sustainability benefits from innovations in technology to all interested users. INPRO has developed heterogeneous global model to capture countries’ different policies regarding the back end of the nuclear fuel cycle in regional and global scenarios of nuclear energy evolution and applied in a number of studies performed by participants of the project. This paper will highlight the model and major conclusions obtained in the studies.

  5. Selecting sustainable renewable energy source for energy assistance to North Korea

    Energy Technology Data Exchange (ETDEWEB)

    Yi, Sul-Ki [Korea Electrical Engineering and Science Research Institute, Bldg 130, Seoul National University, 599 Gwanangno, Gwanak-gu, Seoul 151-742 (Korea, Republic of); Sin, Hwa-Young; Heo, Eunnyeong [Department of Energy Systems Engineering, Seoul National University, 599, Gwanang-no, Gwanak-Gu, Seoul 157-742 (Korea, Republic of)

    2011-01-15

    Renewable energy (RE) is the best sustainable energy solution South Korea can provide to assist North Korea in overcoming its chronic energy shortage. Designed as a follow-on research to Sin et al., a survey was conducted with a panel of experts consisting of various disciplines and affiliations using the analytic hierarchy process (AHP) with benefit, opportunity, cost, and risk (BOCR). The results showed the panel viewed security as the most important factor among the strategic criteria. For the level 1 attributes, the panel showed no significant differences of opinion among the different alternatives; however, cost showed to be the most important factor for the panel. The panel chose wind power as the best alternative source of energy for North Korea; however, there were some differences in opinion among the sub-groups of the panel depending on the composition and the expertise of the sub-group. Compared to other studies on the similar topic, this research stands out in that the research results were derived using AHP and BOCR and that the panel was composed of both Korean and foreign experts on North Korea affiliated with state-run research organizations, armed forces, non-governmental organizations, academic research organizations, private consulting firms, and journalism. The research arrived at the conclusion that the following factors must be considered as South Korea designs its future North Korean energy assistance policy: (1) RE assistance for North Korea can take on various forms; hence, experts consulted during the design, writing, and implementation phases of the policy in question must possess knowledge and expertise in the appropriate technology and methodology being considered; (2) possibility of a sudden destabilization of the Northeast Asian security paradigm due to the collapse of North Korea; and (3) continued nuclearization of North Korea. (author)

  6. Sustainable or Distributed Energy—or both? Clarifying the Basic Concepts of Reforming the Energy Sector

    Directory of Open Access Journals (Sweden)

    Pekka Peura

    2015-06-01

    Full Text Available This paper clarifies the concepts of Sustainable Energy (SE and Distributed Energy (DE including their related synonyms, by discussing, analyzing and presenting recommendations. This is important because these concepts are crucial in the on-going transformation from the fossil carbon based to renewable energy based societies, but still the use of the concepts has been confusing. SE consists of the integration of rational use of energy (energy saving, energy efficiency, use of renewable energy sources and sustainability management for anticipating, avoiding and reducing adverse impacts. The best consensus for defining DE is “facilities connected to the distribution network or on the customer side of the meter”. Devices using fossil fuels but otherwise falling under this umbrella cannot be excluded from DE. This paper explores definitions of wind power in relation to its grid connections via DE. SE is more comprehensive embracing the whole field of energy management, with the exception of distributed fossil generation. SE is valuable for understanding, planning and implementing energy strategies in the transition process of the energy sector. SE also includes centralized energy. It is useful for planning at national or sub-national geographic regions. The combination Sustainable Distributed Energy (SDE is excellent for regional contexts and for creating regional renewable energy self-sufficiency, integrated with society-wide energy saving and energy efficiency programs.

  7. Powermanagement Systems for Sustainable Energy in Buildings and Communities

    OpenAIRE

    Betzold, Christina; Buderus, Julian; Dentel, Arno

    2016-01-01

    One demonstration site of the EU-project SENSIBLE is in Nuremberg with the following main objectives: implementing, demonstrating and validating control strategies of small-scale storage, microgeneration devices and energy storage in commercial buildings. A Building Energy Management System (BEMS) will be developed that controls and optimizes the interaction within the energy generation, storage and consumption.

  8. Modeling the transition towards a sustainable energy production in developing nations

    NARCIS (Netherlands)

    Thiam, Djiby-Racine; Benders, René M.J.; Moll, Henri C.

    The paper investigates how renewable technologies could promote the transition towards a sustainable energy production in developing nations. Based on two different developing nations in terms of economic, technological and institutional structure: South Africa and Senegal, we implemented scenarios

  9. Power to the people : Local community initiatives and the transition to sustainable energy

    NARCIS (Netherlands)

    van der Schoor, Tineke; Scholtens, Bert

    2015-01-01

    The transition towards renewable and sustainable energy is being accompanied by a transformation of communities and neighbourhoods. This transition may have huge ramifications throughout society. Many cities, towns and villages are putting together ambitious visions about how to achieve 100%

  10. Systems dynamics modelling to assess the sustainability of renewable energy technologies in developing countries

    CSIR Research Space (South Africa)

    Brent, AC

    2011-04-01

    Full Text Available supply, and the related cost implications, for water supply; concentrated solar thermal technology options are currently considered. In this paper a systems dynamics approach is used to assess the sustainability of these types of renewable energy...

  11. Strategic Plan for Sustainable Energy Management and Environmental Stewardship for Los Angeles Unified School District

    Energy Technology Data Exchange (ETDEWEB)

    Walker, A.; Beattie, D.; Thomas, K.; Davis, K.; Sim, M.; Jhaveri, A.

    2007-11-01

    This Strategic Plan for Sustainable Energy Management and Environmental Stewardship states goals, measures progress toward goals and how actions are monitored to achieve continuous improvement for the Los Angeles Unified School District.

  12. Power to the people: Local community initiatives and the transition to sustainable energy

    NARCIS (Netherlands)

    Tineke van der Schoor; Bert Scholtens

    2014-01-01

    Abstract: The transition towards renewable and sustainable energy is being accompanied by a transformation of communities and neighbourhoods. This transition may have huge ramifications throughout society. Many cities, towns and villages are putting together ambitious visions about how to achieve

  13. Global Research Alliance (GRA) -Smart sustainable energy for rural community development

    CSIR Research Space (South Africa)

    Szewczuk, S

    2014-03-01

    Full Text Available spider web of infrastructure and dependence on decades-old technologies), the developing world can harness modern, low carbon, renewable, agile, smart and decentralised generation to rapidly deliver tailored, appropriate and sustainable energy...

  14. Environmental Sustainability and Economic Benefits of Dairy Farm Biogas Energy Production: A Case Study in Umbria

    National Research Council Canada - National Science Library

    Biancamaria Torquati; Sonia Venanzi; Adriano Ciani; Francesco Diotallevi; Vincenzo Tamburi

    2014-01-01

    .... The production of energy from biogas in a dairy farm can provide a good opportunity for sustainable rural development, augmenting the farm's income from traditional sources and helping to reduce...

  15. A sustainability analysis of geothermal energy development on the island of Dominica

    Science.gov (United States)

    Edwards, Kiyana Marie-Jose

    Dominica is heavily dependent on fossil fuels to meet its electricity generation needs. Dominica's volcanic origin and current volcanic activity allow the island to be an ideal place for the production of geothermal energy. Once geothermal exploration and development has begun in Dominica, it is uncertain whether the efforts will produce an environmentally, economically and socially feasible exploitation of the resource. Using content analysis and cost benefit analysis, this study examined the impacts of geothermal energy development based on the triple bottom line of sustainability for the Wotten Waven community, as well as the island as a whole. The results indicate that this project will have an overall positive impact on the triple bottom line of sustainability for Dominica. Therefore, geothermal energy may provide substantial net benefits to economic and sustainable development of the island. Assessing the sustainability of geothermal development is important as Dominica begins to produce geothermal energy.

  16. Sustainable energy equals freedoms and choice: bioenergy and biofuels als energy solutions

    Energy Technology Data Exchange (ETDEWEB)

    Ejigu, M. [Partnership for African Environmental Sustainability (PAES)]|[Foundation for Environmental Security and Sustainability (FESS)

    2006-07-01

    We are gathered here to explore the potential of modern bioenergy and discuss ways and means of promoting its wider production and investment. Our primary goal is the attainment of human development - development that is sustainable and balances economic growth, social equity and environmental protection. Well, Amartya Sen, the Nobel Laureate in Economics, defines development as ''the process of expanding real freedoms people can enjoy.'' Where development has taken place, people have more freedoms. People living in well developed countries enjoy freedoms at the individual and community levels. They can move from place to place, own property, receive education and health services, work at night if they choose to, etc. without any fear or threat. Energy is critical to the survival of human society. It is a means to achieve development, hence freedoms. Higher level of electrification, for example, has always been a vital indicator of industrial development. (orig.)

  17. Which sustainable energy policy in France?; Quelle politique energetique durable en France?

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    Concurrently to the National Debate on the energies, a real debate has been proposed by seven associations of the environment protection and improvement. This debate, international, wonders on the energy choices in France. Presentations of the interveners and working documents are provided on the following topics: energy choices for the economic development, renewable energies, the possibilities and the development of the solar energy in France, the economic interest of the cogeneration, quick overview of the wind energy in France, energy production data, the transport and the greenhouse effect, the sustainable development and the energy policy and the local governments. (A.L.B.)

  18. Reducing the operational energy demand in buildings using building information modeling tools and sustainability approaches

    Directory of Open Access Journals (Sweden)

    Mojtaba Valinejad Shoubi

    2015-03-01

    Full Text Available A sustainable building is constructed of materials that could decrease environmental impacts, such as energy usage, during the lifecycle of the building. Building Information Modeling (BIM has been identified as an effective tool for building performance analysis virtually in the design stage. The main aims of this study were to assess various combinations of materials using BIM and identify alternative, sustainable solutions to reduce operational energy consumption. The amount of energy consumed by a double story bungalow house in Johor, Malaysia, and assessments of alternative material configurations to determine the best energy performance were evaluated by using Revit Architecture 2012 and Autodesk Ecotect Analysis software to show which of the materials helped in reducing the operational energy use of the building to the greatest extent throughout its annual life cycle. At the end, some alternative, sustainable designs in terms of energy savings have been suggested.

  19. Large combined heat and power plants in sustainable energy systems

    DEFF Research Database (Denmark)

    Lund, Rasmus Søgaard; Mathiesen, Brian Vad

    2015-01-01

    resources as efficiently as possible. Using the advanced energy systems analysis tool EnergyPLAN and Denmark as a case, this analysis defines which of the three assessed types of CHP plants connected to district heating systems is most feasible in terms of total socioeconomic costs and biomass consumption......In many countries, the electricity supply and power plant operation are challenged by increasing amounts of fluctuating renewable energy sources. A smart energy system should be developed to integrate as much energy supply from fluctuating renewable sources and to utilise the scarce biomass...

  20. Building a Sustainable Energy Future for Africa - Acting Now and Together

    Energy Technology Data Exchange (ETDEWEB)

    Fall, L.

    2007-07-01

    The key energy challenges Africa is facing are: low level of access to commercial energy, low per capita energy consumption, weak development of energy infrastructure and lack of investment and financing for energy projects. Addressing these challenges is critical for sustainable economic and social development, and assured access to secure, affordable and reliable energy. In spite of these daunting challenges, Africa is well endowed in energy resources, but these resources are largely untapped and concentrated in a few countries. In addition, there are numerous 'rooms' for opportunities that could be seized concretely to overcome the main obstacles to the Sustainable Energy Development of the Continent. Thus, right actions must be taken to overcome these obstacles, including: financing the huge needed investments, technological development, private-public partnerships, energy market reform and effective regulation, sound and sustainable energy policies, and economic and social measures. Subsequently, from priority areas, the related stakeholders should 'act now' and 'act together', through effective collaboration and partnership and making proper alliances, to initiate effective and concrete actions to support Africa aspirations in order to build a Sustainable Energy Future for Africa, in a cost-effective and timely manner. (auth)

  1. Sustainable energy options in the mushroom sector [in the Netherlands]; De mogelijkheden van duurzame energie in de paddestoelensector

    Energy Technology Data Exchange (ETDEWEB)

    Maas, M.J.J. [C Point, DLV Plant, Horst (Netherlands)

    2004-07-15

    The mushroom sector is running behind the schedule of the Long-Term Agreement on Energy efficiency with regard to the aspect of sustainable energy. The conclusion of this report is that the option of (joint) purchase of green electricity is the best feasible option. Other options for sustainable energy, such as thermal energy storage combined with heat exchangers, are interesting from a business-economic perspective in new constructions [Dutch] De champignonsector ligt achter op het schema van de Meerjarenafspraak Energie voor het aspect duurzame energie. De conclusie van dit rapport is dat de optie van (gezamelijke) inkoop van groene stroom de meest haalbare is. Opties voor duurzame energie zoals koude- en warmteopslag in combinatie met een warmtewisselaar zijn bij nieuwbouw bedrijfseconomisch interessant.

  2. Energy-water-environment nexus underpinning future desalination sustainability

    KAUST Repository

    Shahzad, Muhammad Wakil

    2017-03-11

    Energy-water-environment nexus is very important to attain COP21 goal, maintaining environment temperature increase below 2°C, but unfortunately two third share of CO2 emission has already been used and the remaining will be exhausted by 2050. A number of technological developments in power and desalination sectors improved their efficiencies to save energy and carbon emission but still they are operating at 35% and 10% of their thermodynamic limits. Research in desalination processes contributing to fuel World population for their improved living standard and to reduce specific energy consumption and to protect environment. Recently developed highly efficient nature-inspired membranes (aquaporin & graphene) and trend in thermally driven cycle\\'s hybridization could potentially lower then energy requirement for water purification. This paper presents a state of art review on energy, water and environment interconnection and future energy efficient desalination possibilities to save energy and protect environment.

  3. Approaches for Planning and Implementing Sustainable Energy Growth in a Complex World: Preprint

    Energy Technology Data Exchange (ETDEWEB)

    Snyder, N.; Schwab, A.

    2012-06-01

    The subject of sustainable energy development has been widely discussed and debated in recent years. However, despite widespread interest, progress toward this goal has been limited. This paper will build on current thinking related to sustainable development, energy forecasting, and complexity theory and show how past roadmapping methodologies fall short. While proposing ways of thinking about our responses to global changes, we consider how we can create and discover the pathways through those unpredictable changes toward high global renewables penetration.

  4. SOARD Research Portfolio

    Science.gov (United States)

    2013-03-05

    Research with Brazil The Problem: Ionospheric bubbles are rarefied plasma regions. Ionospheric irregularities inside the bubbles have scale size...stations installed 2010 MAGNETIC EQUATOR Data Collection Stations - Brazil Project: “ Ionospheric Irregularities Predictions and Plumes...Briefing Contents • Space Science Portfolio – Solar, Ionosphere , Magnetosphere (Kent Miller (AFOSR), RV) • Molecular Physics – Isotope Decay

  5. Portfolio, refleksion og feedback

    DEFF Research Database (Denmark)

    Hansen, Jens Jørgen; Qvortrup, Ane; Christensen, Inger-Marie F.

    2017-01-01

    Denne leder definerer indledningsvist begrebet portfolio og gør rede for anvendelsesmuligheder i en uddannelseskontekst. Dernæst behandles portfoliometodens kvalitet og effekt for læring og undervisning og de centrale begreber refleksion, progression og feedback præsenteres og diskuteres. Herefter...

  6. Urban sustainable energy development: A case study of the city of Philadelphia

    Science.gov (United States)

    Argyriou, Iraklis

    This study explores the role of cities in sustainable energy development through a governance-informed analysis. Despite the leading position of municipalities in energy sustainability, cities have been mostly conceptualized as sites where energy development is shaped by external policy scales, i.e. the national level. A growing body of research, however, critiques this analytical perspective, and seeks to better understand the type of factors and dynamics that influence energy sustainability within a multi-level policy context for urban energy. Given that particular circumstances are applicable across cities, a context-specific analysis can provide insight regarding how sustainable energy development takes place in urban areas. In applying such an analytical perspective on urban energy sustainability, this study undertakes a qualitative case study analysis for the city of Philadelphia, Pennsylvania, by looking at four key local policy initiatives relevant to building energy efficiency and solar electricity development at the municipal government and city-wide level. The evaluation of the initiatives suggests that renewable electricity use has increased substantially in the city over the last years but the installed capacity of local renewable electricity systems, including solar photovoltaics, is low. On the other hand, although the city has made little progress in meeting its building energy efficiency targets, more comprehensive action is taken in this area. The study finds that the above outcomes have been shaped mainly by four factors. The first is the city government's incremental policy approach aiming to develop a facilitative context for local action. The second is the role that a diverse set of stakeholders have in local sustainable energy development. The third is the constraints that systemic policy barriers create for solar power development. The fourth is the ways through which the relevant multi-level policy environment structures the city

  7. Energies, understand for choose: environment, quality of life, sustainable development; Energies, comprendre pour choisir: environnement, qualite de vie, developpement durable

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-07-01

    This document is devoted to the public information on the energies sources, use and consumption. It aims to give a knowledge in the domain, in order to help the people to control its energy consumption in the framework of the sustainable development. (A.L.B.)

  8. Capacity Development and Strengthening for Energy Policy formulation and implementation of Sustainable Energy Projects in Indonesia CASINDO. Deliverable No. 38. Pro-poor Energy Strategy in Central Java

    Energy Technology Data Exchange (ETDEWEB)

    Sumardi, R. Rizal Isnanto; Firdausi, Aulia Latifah Insan [Diponegoro University, Semarang (Indonesia)

    2012-01-15

    The overall objective of the CASINDO programme is to establish a self-sustaining and self-developing structure at both the national and regional level to build and strengthen human capacity to enable the provinces of North Sumatra, Yogyakarta, Central Java, West Nusa Tenggara and Papua to formulate sound policies for renewable energy and energy efficiency and to develop and implement sustainable energy projects.

  9. Distributed renewable energies for off-grid communities strategies and technologies toward achieving sustainability in energy generation and supply

    CERN Document Server

    El Bassam, Nasir; Schlichting, Marcia

    2012-01-01

    Energy is directly related to the most critical economic and social issues which affect sustainable development such as mobility, food production, environmental quality, regional and global security issues. Two-thirds of the new demand will come from developing nations, with China accounting for 30%. Without adequate attention to the critical importance of energy to all these aspects, the global, social, economic and environmental goals of sustainability cannot be achieved. Indeed the magnitude of change needed is immense, fundamental and directly related to the energy produced and consumed na

  10. Energy mix and sustainable development: Issues and challenges in Southern Philippines

    Energy Technology Data Exchange (ETDEWEB)

    Osop, Inoray

    2010-09-15

    Southern Philippines utilizes different sources of energy and like any other areas for every increase in energy; major concerns and issues on its sustainable development sprung up. Methods used were quantitative and qualitative measures, experiment, exploratory and descriptive in findings: (1) each of the energy dimensions are compared economic ; On their environment and health of the end users and Social dimensions . The ideal energy mixes based on sustainable development are renewable and some fossil fuels with strict adherence to clean technology since Coal Plants in the country ignores environmental regulations and yet allowed to operate.

  11. Energy balance of dark anaerobic fermentation as a tool for sustainability analysis

    Energy Technology Data Exchange (ETDEWEB)

    Ruggeri, Bernardo; Tommasi, Tonia; Sassi, Guido [Dept. of Material Science and Chemical Engineering, Politecnico di Torino Corso Duca Degli Abruzzi 24, 10129 Turin (Italy)

    2010-10-15

    A process aimed at producing energy needs to produce more energy than the energy necessary to run the process itself in order to be energetically sustainable. In this paper, an energy balance of a batch anaerobic bioreactor has been defined and calculated, both for different operative conditions and for different reactor scales, in order to analyze the sustainability of hydrogen production through dark anaerobic fermentation. Energy production in the form of hydrogen and methane, energy to warm up the fermentation broth, energy loss during fermentation and energy for mixing and pumping have been considered in the energy balance. Experimental data and literature data for mesophilic microorganism consortia have been used to calculate the energy balance. The energy production of a mesophilic microorganism consortium in a batch reactor has been studied in the 16-50 C temperature range. The hydrogen batch dark fermentation resulted to only have a positive net production of energy over a minimal reactor dimension in summer conditions with an energy recovery strategy. The best working temperature resulted to be 20 C with 20% of available energy. Hydrogen batch dark fermentation may be coupled with other processes to obtain a positive net energy by recovering energy from the end products of hydrogen dark fermentation. As an example, methane fermentation has been considered to energetically valorize the end products of hydrogen fermentation. The combined process resulted in a positive net energy over the whole range of tested reactor dimension with 45-90% of available energy. (author)

  12. Continued professional competence and portfolios.

    Science.gov (United States)

    Byrne, Michelle; Delarose, Teresa; King, Cecil A; Leske, Jane; Sapnas, Kathryn G; Schroeter, Kathryn

    2007-01-01

    It is traditionally assumed that licensure of healthcare professionals means that they are minimally competent. Many nursing specialty organizations offer examinations and other processes for certification, suggesting that certification is associated with continued competency. Can standardized examination for certification and continuing education for recertification ensure continued competency? Continuing education and testing provide a limited picture of an individual's knowledge and/or skill acquisition in a limited area at one point in time. However, portfolios promote critical thinking, self-assessment, and individual accountability. A portfolio is a portable mechanism for evaluating competencies that may otherwise be difficult to assess. This article summarizes some of the literature addressing portfolios, including aspects of portfolio development process, the value of portfolios versus continuing education for competency assessment, evidence associated with portfolio usage, and suggestions for organizing nursing portfolios.

  13. Sparse and stable Markowitz portfolios.

    Science.gov (United States)

    Brodie, Joshua; Daubechies, Ingrid; De Mol, Christine; Giannone, Domenico; Loris, Ignace

    2009-07-28

    We consider the problem of portfolio selection within the classical Markowitz mean-variance framework, reformulated as a constrained least-squares regression problem. We propose to add to the objective function a penalty proportional to the sum of the absolute values of the portfolio weights. This penalty regularizes (stabilizes) the optimization problem, encourages sparse portfolios (i.e., portfolios with only few active positions), and allows accounting for transaction costs. Our approach recovers as special cases the no-short-positions portfolios, but does allow for short positions in limited number. We implement this methodology on two benchmark data sets constructed by Fama and French. Using only a modest amount of training data, we construct portfolios whose out-of-sample performance, as measured by Sharpe ratio, is consistently and significantly better than that of the naïve evenly weighted portfolio.

  14. Portfolio optimization retail investor

    Directory of Open Access Journals (Sweden)

    I. А. Kiseleva

    2016-01-01

    Full Text Available The article notes that the task of the investor's risk management is to, on the one hand, as much as possible to strive to achieve the criterion of risk level, and on the other hand, in any case not exceed it. Since the domestic theory of risk management is under development, the problem of the optimal ratio of "risk-income" becomes now of particular relevance. This article discusses the different distribution areas of the private investor in order to obtain the maximum profit. The analysis showed us the overall economic and political system of the country, as well as the legislative provision of guarantees to the investor. To obtain sufficient income and reduce losses it is important to maintain the optimum value found between the amount of the investor's risk and capital transactions. Model of optimal placement of funds led to the conclusion about inexpediency strong increase in the diversification of the investment portfolio (more than 10 different types of assets in the portfolio, since it increases the complexity of its practical form, while the portfolio characteristics are improved significantly. It is concluded that it is impossible to increase revenue without increasing the risk or reduce risk without reducing income. The analysis shows that there is no single best asset portfolio. It is impossible to increase revenue without increasing the risk or reduce risk without reducing income. Possible combination of the "riskincome" will depend on the objective function. Most diversified and bringing the best return per unit of risk, is a portfolio that contains the most risky assets.

  15. Optimising the Environmental Sustainability of Short Rotation Coppice Biomass Production for Energy

    Directory of Open Access Journals (Sweden)

    Ioannis Dimitriou

    2014-12-01

    Full Text Available Background and Purpose: Solid biomass from short rotation coppice (SRC has the potential to significantly contribute to European renewable energy targets and the expected demand for wood for energy, driven mainly by market forces and supported by the targets of national and European energy policies. It is expected that in the near future the number of hectares under SRC will increase in Europe. Besides producing biomass for energy, SRC cultivation can result in various benefits for the environment if it is conducted in a sustainable way. This paper provides with an overview of these environmental benefits. Discussion and Conclusions: The review of existing literature shows that SRC helps to improve water quality, enhance biodiversity, prevent erosion, reduce chemical inputs (fertilizers, pesticides and mitigate climate change due to carbon storage. To promote and disseminate environmentally sustainable production of SRC, based on existing literature and own project experience, a set of sustainability recommendations for SRC production is developed. In addition to numerous environmental benefits, sustainable SRC supply chains can bring also economic and social benefits. However, these aspects of sustainability are not addressed in this paper since they are often country specific and often rely on local conditions and policies. The sustainable practices identified in this manuscript should be promoted among relevant stakeholder to stimulate sustainable local SRC production.

  16. Energy indicators impact in multi-criteria sustainability analyse of thermal power plant unit

    Directory of Open Access Journals (Sweden)

    Škobalj Predrag D.

    2017-01-01

    Full Text Available This paper presents method for sustainability assessment of thermal power plant unit using multi-criteria analysis with aim to create base for business decision. Seven options of possible status of thermal power plant „Kolubara A” unit No. 2 with energy indicators of sustainable development were shown. Energy indicators of sustainable development consists of sets of resource preservation, economic, environmental, and social indicators. Sustainability assessment often fails to account for social influence on energy system. Considering to this, special focus will be on social indicators, their definition, forming, and impact on multi-criteria sustainability analysis. Analysis of quality of the selected options (energy systems in respect to sustainable development by compare of their general index of sustainability is presented. Methodology of multi-criteria analyse of thermal power plant unit can show decision makers how to find best available options when the social indicators impact is leading. The aim of this paper is to choose the criteria for the evaluation of the available options, determine the relative importance of specific criteria and present methodology of multi-criteria analysis in the decision-making process.

  17. Preference Construction Processes for Renewable Energies: Assessing the Influence of Sustainability Information and Decision Support Methods

    Directory of Open Access Journals (Sweden)

    Kiyotada Hayashi

    2016-11-01

    Full Text Available Sustainability information and decision support can be two important driving forces for making sustainable transitions in society. However, not enough knowledge is available on the effectiveness of these two factors. Here, we conducted an experimental study to support the hypotheses that acquisition of sustainability information and use of decision support methods consistently construct preferences for renewable power generation technologies that use solar power, wind power, small-scale hydroelectric power, geothermal power, wood biomass, or biogas as energy sources. The sustainability information was prepared using a renewable energy-focused input-output model of Japan and contained life cycle greenhouse gas emissions, electricity generation costs, and job creation. We measured rank-ordered preferences in the following four steps in experimental workshops conducted for municipal officials: provision of (1 energy-source names; (2 sustainability information; (3 additional explanation of public value; and (4 knowledge and techniques about multi-attribute value functions. The degree of changes in preference orders was evaluated using Spearman’s rank correlation coefficient. The consistency of rank-ordered preferences among participants was determined by using the maximum eigenvalue for the coefficient matrix. The results show: (1 the individual preferences evolved drastically in response to the sustainability information and the decision support method; and (2 the rank-ordered preferences were more consistent during the preference construction processes. These results indicate that provision of sustainability information, coupled with decision support methods, is effective for decision making regarding renewable energies.

  18. Evaluating the environmental sustainability of biomass-based energy strategy: Using an impact matrix framework

    Energy Technology Data Exchange (ETDEWEB)

    Weldu, Yemane W., E-mail: ywweldem@ucalgary.ca [Faculty of Environmental Design, University of Calgary, Calgary, Alberta 2500, University Drive NW, T2N 1N4 (Canada); Assefa, Getachew [Faculty of Environmental Design, University of Calgary, Calgary, Alberta 2500, University Drive NW, T2N 1N4 (Canada); Athena Chair in Life Cycle Assessment in Design (Canada)

    2016-09-15

    A roadmap for a more sustainable energy strategy is complex, as its development interacts critically with the economic, social, and environmental dimensions of sustainable development. This paper applied an impact matrix method to evaluate the environmental sustainability and to identify the desirable policy objectives of biomass-based energy strategy for the case of Alberta. A matrix with the sustainability domains on one axis and areas of environmental impact on the other was presented to evaluate the nexus effect of policy objectives and bioenergy production. As per to our analysis, economic diversification, technological innovation, and resource conservation came up as the desirable policy objectives of sustainable development for Alberta because they demonstrated environmental benefits in all environmental impact categories, namely climate change, human health, and ecosystem. On the other hand, human health and ecosystem impacts were identified as trade-offs when the policy objectives for sustainability were energy security, job creation, and climate change. Thus, bioenergy can mitigate climate change but may impact human health and ecosystem which then in turn can become issues of concern. Energy strategies may result in shifting of risks from one environmental impact category to another, and from one sustainable domain to another if the technical and policy-related issues are not identified.

  19. A Model for Sustainable Building Energy Efficiency Retrofit (BEER) Using Energy Performance Contracting (EPC) Mechanism for Hotel Buildings in China

    Science.gov (United States)

    Xu, Pengpeng

    Hotel building is one of the high-energy-consuming building types, and retrofitting hotel buildings is an untapped solution to help cut carbon emissions contributing towards sustainable development. Energy Performance Contracting (EPC) has been promulgated as a market mechanism for the delivery of energy efficiency projects. EPC mechanism has been introduced into China relatively recently, and it has not been implemented successfully in building energy efficiency retrofit projects. The aim of this research is to develop a model for achieving the sustainability of Building Energy Efficiency Retrofit (BEER) in hotel buildings under the Energy Performance Contracting (EPC) mechanism. The objectives include: • To identify a set of Key Performance Indicators (KPIs) for measuring the sustainability of BEER in hotel buildings; • To identify Critical Success Factors (CSFs) under EPC mechanism that have a strong correlation with sustainable BEER project; • To develop a model explaining the relationships between the CSFs and the sustainability performance of BEER in hotel building. Literature reviews revealed the essence of sustainable BEER and EPC, which help to develop a conceptual framework for analyzing sustainable BEER under EPC mechanism in hotel buildings. 11 potential KPIs for sustainable BEER and 28 success factors of EPC were selected based on the developed framework. A questionnaire survey was conducted to ascertain the importance of selected performance indicators and success factors. Fuzzy set theory was adopted in identifying the KPIs. Six KPIs were identified from the 11 selected performance indicators. Through a questionnaire survey, out of the 28 success factors, 21 Critical Success Factors (CSFs) were also indentified. Using the factor analysis technique, the 21 identified CSFs in this study were grouped into six clusters to help explain project success of sustainable BEER. Finally, AHP/ANP approach was used in this research to develop a model to

  20. The Role of Secure Access to Sustainable Energy in Reducing ...

    African Journals Online (AJOL)

    Lack of energy services is correlated with many of the elements of poverty, such as low education levels, inadequate health care and limited employment possibilities. Limited access to energy is a problem that has a disproportionate effect on women, especially in rural areas thereby making them more vulnerable to poverty.

  1. Renewable Energy for Rural Sustainability in Developing Countries

    Science.gov (United States)

    Alazraque-Cherni, Judith

    2008-01-01

    This article establishes the benefits of applying renewable energy and analyzes the main difficulties that have stood in the way of more widely successful renewable energy for rural areas in the developing world and discusses why outcomes from these technologies fall short. Although there is substantial recognition of technological, economic,…

  2. FORMING OF THE SUSTAINABLE SUPPLY CHAINS BASED ON INCREASING OF THEIR INTEGRATED ENERGY EFFICIENCY

    Directory of Open Access Journals (Sweden)

    SHVETS V. J.

    2016-03-01

    Full Text Available Purpose. Key challenges and barriers of mining machinery enterprises in the context of forming sustainable supply chains in the mining industry are specified. Methodology. The algorithm of forming the industrial relations, which are carried out by the enterprises of mining machinery in order to increase the sustainable development of a mining industry, is offered. Conclusions.. Modern supply chains are confronted with dynamic trends and developments that are hard to predict. In order to respond to these changes and remain competitive advantage, companies should be able to identify and understand new sustainability issues in their branches. It is established that in the conditions of globalization of the market and the general orientation of Ukraine’s economy to the European principles of development, for mining machinery enterprises a proof of the commitment and observance of requirements of energy efficiency, i.e. energy saving, energy safety and social energy responsibility are very important. Supply channels should increase not only energy efficiency, economic and production stability of the company, but also strengthen the stability of all participants in the production chain, as well as other stakeholders (business partners, customers, investors, local communities, etc.. Originality. The interrelation of an indicator of energy efficiency in forming sustainable supply chain in a mining industry is established. Practical value. Using the principles of sustainable development in the forming of value chains will improve energy efficiency of industry in general; provide a competitive advantage to entry into the global production chains in terms of European integration of Ukraine.

  3. Multi-Criteria Decision Aid for Sustainable Energy Prioritization Using Fuzzy Axiomatic Design

    OpenAIRE

    Basar Oztaysi; Mine Isik; Secil Ercan

    2013-01-01

    Sustainability has gained tremendous importance and has been an important issue both for policy makers and practitioners. Realizing that the resources on the earth are limited, renewable energy alternatives have flourished and started to replace the conventional energy alternatives. Energy planning using different energy alternatives, for the long term becomes a vital decision. In this study, fuzzy multi criteria decision- making methodologies, axiomatic design (AD) and analytic hierarchy pro...

  4. External Benefit Evaluation of Renewable Energy Power in China for Sustainability

    OpenAIRE

    Huiru Zhao; Sen Guo

    2015-01-01

    China’s renewable energy power has developed rapidly in recent years. Evaluating the external benefits of renewable energy power can provide a reference for the Chinese government to set diverse development goals and to implement differentiated supporting policies for different renewable energy power types, which can promote their sustainable development. In this paper, a hybrid MCDM method was applied to evaluate the external benefits of China’s renewable energy power. Firstly, the impacts o...

  5. Ecosystem Services for a Sustainable Energy Policy in Bosnia and Herzegovina

    OpenAIRE

    Mesbah, L.A.

    2014-01-01

    This paper examines the concept of ecosystem services for a sustainable energy policy, and briefly analyses of current and possible energy sources in Bosnia and Herzegovina (BiH). BiH remains an important cosumer of fossil fuel energies, using both domestic (coal) and imported (petrol and gas) resources. BiH is also using renewable energy sources such as hydropower for electricity production and biomass mainly for heating and has strong potential to further develop other renewable sources of ...

  6. Ecosystem Services for a Sustainable Energy Policy in Bosnia and Herzegovina

    OpenAIRE

    Mesbah, L.A.

    2015-01-01

    This paper examines the concept of ecosystem services for a sustainable energy policy, and briefly analyses of current and possible energy sources in Bosnia and Herzegovina (BiH). BiH remains an important cosumer of fossil fuel energies, using both domestic (coal) and imported (petrol and gas) resources. BiH is also using renewable energy sources such as hydropower for electricity production and biomass mainly for heating and has strong potential to further develop other renewable sources of ...

  7. The sustainability through of decentralized energy projects; A sustentabilidade atraves de empreendimentos energeticos descentralizados

    Energy Technology Data Exchange (ETDEWEB)

    Demanboro, Antonio Carlos; Mariotoni, Carlos Alberto; Naturesa, Jim Silva; Santos Junior, Joubert Rodrigues do [Universidade Estadual de Campinas (NIPE/UNICAMP), SP (Brazil). Nucleo Interdisciplinar de Planejamento Energetico], Emails: anto1810@fec.unicamp.br, cam@fec.unicamp.br

    2006-07-01

    This paper presents discussions about the environmental impacts of the current ways of centralized electric energy generation related to the Brazilian economic model which has characteristic of income concentration, as well as to the environmental and social problems of the great metropolises. Therefore, discussions of the opportunity and the insert forms, in the Brazilian energy system, of the sustainable energy enterprises: small hydroelectric power plants, eolic energy, solar photovoltaic and hydrogen, are also presented. (author)

  8. Journal of Sustainable Development of Energy, Water and Environment Systems - Volume II

    Directory of Open Access Journals (Sweden)

    Neven Duić

    2014-12-01

    Full Text Available The Journal of Sustainable Development of Energy, Water and Environment Systems – JSDEWES is an international journal dedicated to the improvement and dissemination of knowledge on methods, policies and technologies for increasing the sustainability of development by de-coupling growth from natural resources and replacing them with knowledge based economy, taking into account its economic, environmental and social pillars, as well as methods for assessing and measuring sustainability of development, regarding energy, transport, water, environment and food production systems and their many combinations. In total 32 manuscripts were published in Volume II, all of them reviewed by at least two reviewers. The Journal of Sustainable Development of Energy, Water and Environment Systems would like to thank reviewers for their contribution to the quality of the published manuscripts.

  9. Sustainable development, energy and climate. Exploring synergies and tradeoffs

    Energy Technology Data Exchange (ETDEWEB)

    Halsnaes, K.; Garg, A. (eds.)

    2006-11-15

    This report summarizes the results of the Development, Energy and Climate Project that has been managed by the UNEP Risoe Centre on behalf of UNEP DTIE. The project is a partnership between the UNEP Risoe Centre and centers of excellence in Bangladesh, Brazil, China, India, Senegal and South Africa. The focus of this report is on the energy sector mitigation assessments that have been carried out in the countries. In addition to this work, the project has also included adaptation focused case studies that explore climate change impacts on the energy sector and infrastructure. The report includes a short introduction to the project and its approach and summaries of the six country studies. This is followed by an assessment of cross country results that gives a range of key indicators of the relationship between economic growth, energy, and local and global pollutants. Furthermore, energy access and affordability for households are considered as major social aspects of energy provision. The country study results that are included in this report are a short summary of some of the main findings and do not provide all details of the work that has been undertaken. Some of the countries in particular those with fast growing economies and energy sectors such as Brazil, China, India and South Africa have conducted general scenario analysis of the energy sector and explored some policies in more depth, while the country studies for Bangladesh and Senegal where the energy sector is less developed have focused more on specific issues related to energy access and the electricity sector. (au)

  10. Sustainable Biomass Energy and Indigenous Cultural Models of Well-being in an Alaska Forest Ecosystem

    Directory of Open Access Journals (Sweden)

    Munish Sikka

    2013-09-01

    Full Text Available Oil-dependent indigenous communities in remote regions of Alaska and elsewhere are facing an unprecedented crisis. With the cost of fuel and transport skyrocketing, energy costs are crippling local economies, leading to increasing outmigration and concern for their very existence in the future. What can be done to address this energy crisis, and promote energy security, sustainability and resilience in rural forest communities? We examine the potential of developing a sustainable biomass-energy industry in Southeast Alaska, home to nearly 16,000 Alaska Natives in a dozen rural and two urban communities within the United States' largest national forest: The Tongass. Although the potential for biomass energy has long been touted, realization of the opportunity has been catalyzed only recently as part of a model of sustainable development being enacted by the region's largest Native corporation, Sealaska, and its subsidiary, Haa Aaní ("Our Land" L.L.C. In this paper we examine the unique nature of Alaska Native corporations and their potential as engines of sustainable development, particularly through Sealaska's emerging cultural model of sustainability in relation to social-ecological well-being. We assess the economic, ecological, and atmospheric emissions parameters of a wood-biomass energy industry at various scales according to the "triple bottom line" of sustainability. Finally, we address what additional policy and support measures may be necessary to nurture the successful transition to biomass energy at a sustainable scale to support rural indigenous communities, a more resilient, renewable energy system, and a lower carbon footprint.

  11. Local Power -- Global Connections: linking the world to a sustainable future through decentralized energy technology

    Energy Technology Data Exchange (ETDEWEB)

    Brent, Richard; Sweet, David

    2007-07-01

    Various international dynamics are converging to increase the attractiveness of decentralized energy as a complement to existing centralized energy infrastructures. Decentralized energy (DE) technologies, including onsite renewables, high efficiency cogeneration and industrial energy recycling, offer considerable benefits to those seeking working alternatives to emerging challenges in the energy sector. DE is ideally suited to provide clean affordable energy to areas where modern energy services are currently lacking. Having smaller generators close to where energy is required ensures a safe, reliable and secure energy supply when the energy is required. Furthermore, because DE is a much cleaner alternative than conventional central power plants and the energy provided comes at a much smaller price tag DE is an increasingly acceptable alternative both in the developed and developing world. DE is sure to play a key role in any plan to build a sustainable energy future. (auth)

  12. Future-Proofed Energy Design Approaches for Achieving Low-Energy Homes: Enhancing the Code for Sustainable Homes

    OpenAIRE

    Georgiadou, Maria

    2014-01-01

    Under the label “future-proofing”, this paper examines the temporal component of sustainable construction as an unexplored, yet fundamental ingredient in the delivery of low-energy domestic buildings. The overarching aim is to explore the integration of future-proofed design approaches into current mainstream construction practice in the UK, focusing on the example of the Code for Sustainable Homes (CSH) tool. Regulation has been the most significant driver for achieving the 2016 zero-carbon...

  13. Linking Energy Efficiency and ISO: Creating a Framework forSustainable Industrial Energy Efficiency

    Energy Technology Data Exchange (ETDEWEB)

    McKane, Aimee; Perry, Wayne; Aixian, Li; Tienan, Li; Williams,Robert

    2005-04-01

    Industrial motor-driven systems consume more than 2194billion kWh annually on a global basis and offer one of the largestopportunities for energy savings. In the United States (US), they accountfor more than 50 percent of all manufacturing electricity use. Incountries with less well-developed consumer economies, the proportion ofelectricity consumed by motors is higher-more than 50 percent ofelectricity used in all sectors in China is attributable to motors.Todate, the energy savings potential from motor-driven systems haveremained largely unrealized worldwide. Both markets and policy makerstend to focus on individual system components, which have a typicalimprovement potential of 2-5 percent versus 20-50 percent for completesystems. Several factors contribute to this situation, most notably thecomplexity of the systems themselves. Determining how to optimize asystem requires a high level of technical skill. In addition, once anenergy efficiency project is completed, the energy savings are often notsustained due to changes in personnel and production processes. Althoughtraining and educational programs in the US, UK, and China to promotesystem optimization have proven effective, these resource-intensiveefforts have only reached a small portion of the market.The same factorsthat make it so challenging to achieve and sustain energy efficiency inmotor-driven systems (complexity, frequent changes) apply to theproduction processes that they support. Yet production processestypically operate within a narrow band of acceptable performance. Theseprocesses are frequently incorporated into ISO 9000/14000 quality andenvironmental management systems, which require regular, independentaudits to maintain ISO certification, an attractive value forinternational trade.This paper presents a new approach to achievingindustrial system efficiency (motors and steam) that will encourageplants to incorporate system energy efficiency into their existing ISOmanagement systems. We will

  14. The Role of Secure Access to Sustainable Energy in Reducing ...

    African Journals Online (AJOL)

    Gender issues have come to the forefront in many development sectors including ... slow to acknowledge the links between gender equality, energy and development. ... Thus, greater attention to the need and concerns of women in relation to ...

  15. Potential sustainable energy source: Pheroid™ with incorporated light harvesting materials

    CSIR Research Space (South Africa)

    Smit, Jacoba E

    2010-09-01

    Full Text Available The most efficient light harvesting and energy transfer systems are found in nature as part of the photosynthesis process. By extracting these system fragments and maximising their organisational structure, researchers are developing similar...

  16. Electric grid stability and the design of sustainable energy systems

    DEFF Research Database (Denmark)

    Lund, Henrik

    2005-01-01

    The article presents technical designs of potential future flexible energy systems, which will be able both to balance production and demand and to secure voltage and frequency requirements on the grid....

  17. Towards a sustainable aesthetics. Architects constructing energy efficient buildings

    Energy Technology Data Exchange (ETDEWEB)

    Ryghaug, Marianne

    2002-07-01

    This interdisciplinary study discusses challenges in energy economising in Norway as they involve the architect profession and their role in affecting the energy standard in buildings. The main research question is separated into two component research questions. The first is to analyse how the reality orientation of the architect profession is constituted and maintained, and how this in turn influences their values in connection to energy related decisions. How is the architects' professional role conception reflected in the educational system and architect journals, and how is it expressed among the 'green outsiders' of the profession? The second component research question is related to decision-making processes regarding design processes, particularly concerning energy in buildings and the role played by the architects in these processes as they interact with other actors and within institutional frames.

  18. Relevancy of the Massive Open Online Course (MOOC about Sustainable Energy for Adolescents

    Directory of Open Access Journals (Sweden)

    Maija Aksela

    2016-12-01

    Full Text Available Sustainable energy is one of the biggest global challenges today. This paper discusses how we can promote adolescents’ learning of sustainable energy with the help of an international massive open online course (MOOC. The aim of this case study is to understand: (i What do the adolescents find relevant in the MOOC course about sustainable energy? and (ii What are the opportunities and challenges of the MOOC for the adolescents to learn sustainable energy? In our study, 80 voluntary adolescents around the world, who were at least 15 year old, took part in two surveys. The themes of our MOOC course were, e.g., sustainable growth, solar power, wind power, biofuel production and smart power generation. This 38 work-hour, free of charge, online course includes an introduction video, interviews of specialists, lecture videos, reading materials of the newest research and multiple choice questions on the topics. Research data was classified by using content analysis. The study indicates that adolescents feel that both the MOOC course and sustainable energy as a subject are relevant to them. Their decision to take part in an online course was mostly influenced by individual relevance and partly influenced by both societal and vocational relevance, according to the relevancy theory used. The MOOC was experienced to be relevant for the three following reasons: (i good content (e.g., energy production and implementation of the course; (ii the course makes it possible to study in a new way; and (iii the course is personally useful. The characteristics of the MOOC, such as being available anywhere and anytime, free access, and online learning, bringing out a flexible, new way of learning and thus promoting Education for Sustainable Development (ESD in the context of sustainable energy at school level around the world. This MOOC provided the school students with choice-based learning and expanded their learning opportunities in understanding sustainable

  19. Modeling sustainability in renewable energy supply chain systems

    Science.gov (United States)

    Xie, Fei

    This dissertation aims at modeling sustainability of renewable fuel supply chain systems against emerging challenges. In particular, the dissertation focuses on the biofuel supply chain system design, and manages to develop advanced modeling framework and corresponding solution methods in tackling challenges in sustaining biofuel supply chain systems. These challenges include: (1) to integrate "environmental thinking" into the long-term biofuel supply chain planning; (2) to adopt multimodal transportation to mitigate seasonality in biofuel supply chain operations; (3) to provide strategies in hedging against uncertainty from conversion technology; and (4) to develop methodologies in long-term sequential planning of the biofuel supply chain under uncertainties. All models are mixed integer programs, which also involves multi-objective programming method and two-stage/multistage stochastic programming methods. In particular for the long-term sequential planning under uncertainties, to reduce the computational challenges due to the exponential expansion of the scenario tree, I also developed efficient ND-Max method which is more efficient than CPLEX and Nested Decomposition method. Through result analysis of four independent studies, it is found that the proposed modeling frameworks can effectively improve the economic performance, enhance environmental benefits and reduce risks due to systems uncertainties for the biofuel supply chain systems.

  20. Automated Demand Response for Energy Sustainability Cost and Performance Report

    Science.gov (United States)

    2015-07-23

    results of a recent study at Fort Irwin of relevant ECMs ( Underwood et al., 2010). Success Criteria: Simple payback time < 3 years, SIR >> 1...zero energy study report ( Underwood et al., 2010). These ECMs are shown in Table 8. Table 8. ECM projects for LCC cost assessment. ECM Project at...is taken from the Fort Irwin Net Zero Energy Report ( Underwood et al., 2010). 7.3.2 LCC Analysis Results High level results of the LCC analysis for

  1. Nuclear Power and Sustainable Energy Policy : Promises and Perils

    OpenAIRE

    Kessides, Ioannis N.

    2010-01-01

    The author examines the challenges and opportunities of nuclear power in meeting the projected large absolute increase in energy demand, especially electricity, throughout the industrialized and developing world, while helping to mitigate the threat of climate change. A significant global nuclear power deployment would engender serious risks related to proliferation, safety, and waste disposal. Unlike renewable sources of energy, nuclear power is an unforgiving technology because human lapses...

  2. Nuclear Power and Sustainable Energy Policy: Promises and Perils

    OpenAIRE

    Kessides, Ioannis N.

    2010-01-01

    The author examines the challenges and opportunities of nuclear power in meeting the projected large absolute increase in energy demand, especially electricity, throughout the industrialized and developing world, while helping to mitigate the threat of climate change. A significant global nuclear power deployment would engender serious risks related to proliferation, safety, and waste disposal. Unlike renewable sources of energy, nuclear power is an unforgiving technology because human lapses...

  3. New Science for a Secure and Sustainable Energy Future

    Energy Technology Data Exchange (ETDEWEB)

    None

    2008-12-01

    Over the past five years, the Department of Energy's Office of Basic Energy Sciences has engaged thousands of scientists around the world to study the current status, limiting factors and specific fundamental scientific bottlenecks blocking the widespread implementation of alternate energy technologies. The reports from the foundational BESAC workshop, the ten 'Basic Research Needs' workshops and the panel on Grand Challenge science detail the necessary research steps (http://www.sc.doe.gov/bes/reports/list.html). This report responds to a charge from the Director of the Office of Science to the Basic Energy Sciences Advisory Committee to conduct a study with two primary goals: (1) to assimilate the scientific research directions that emerged from these workshop reports into a comprehensive set of science themes, and (2) to identify the new implementation strategies and tools required to accomplish the science. From these efforts it becomes clear that the magnitude of the challenge is so immense that existing approaches - even with improvements from advanced engineering and improved technology based on known concepts - will not be enough to secure our energy future. Instead, meeting the challenge will require fundamental understanding and scientific breakthroughs in new materials and chemical processes to make possible new energy technologies and performance levels far beyond what is now possible.

  4. Amsterdam as a Sustainable European Metropolis : Integration of Water, Energy and Material Flows

    NARCIS (Netherlands)

    Van Der Hoek, J.P.; Struker, A.; Danschutter, J.E.M.

    2013-01-01

    Amsterdam has the ambition to develop as a competitive and sustainable European metropolis. The flows of energy, water and resources within the urban environment have a large potential to contribute to this ambition. The overall mass balances of phosphate, food, water, energy and material imports in

  5. Towards sustainability in cold chains: Development of a quality, energy and environmental assessment tool (QEEAT)

    NARCIS (Netherlands)

    Gwanpua, S.G.; Verboven, P.; Brown, T.; Leducq, D.; Verlinden, B.E.; Evans, J.; Van Der Sluis, S.; Wissink, E.B.; Taoukis, P.; Gogou, E.; Stahl, V.; El Jabri, M.; Thuault, D.; Claussen, I.; Indergård, E.; M. Nicolai, B.; Alvarez, G.; Geeraerd, A.H.

    2014-01-01

    Quantification of the impact of refrigeration technologies in terms of the quality of refrigerated food, energy usage, and environmental impact is essential to assess cold chain sustainability. In this paper, we present a software tool QEEAT (Quality, Energy and Environmental Assessment Tool) for

  6. Biomass as a Sustainable Energy Source: An Illustration of Chemical Engineering Thermodynamic Concepts

    Science.gov (United States)

    Mohan, Marguerite A.; May, Nicole; Assaf-Anid, Nada M.; Castaldi, Marco J.

    2006-01-01

    The ever-increasing global demand for energy has sparked renewed interest within the engineering community in the study of sustainable alternative energy sources. This paper discusses a power generation system which uses biomass as "fuel" to illustrate the concepts taught to students taking a graduate level chemical engineering process…

  7. Teaching Sustainable Design Using BIM and Project-Based Energy Simulations

    Science.gov (United States)

    Shen, Zhigang; Jensen, Wayne; Wentz, Timothy; Fischer, Bruce

    2012-01-01

    The cross-disciplinary nature of energy-efficient building design has created many challenges for architecture, engineering and construction instructors. One of the technical challenges in teaching sustainable building design is enabling students to quantitatively understand how different building designs affect a building's energy performance.…

  8. The Role of Absorption Cooling for Reaching Sustainable Energy Systems

    Energy Technology Data Exchange (ETDEWEB)

    Lindmark, Susanne

    2005-07-01

    This thesis focuses on the role and potential of absorption cooling in future energy systems. Two types of energy systems are investigated: a district energy system based on waste incineration and a distributed energy system with natural gas as fuel. In both cases, low temperature waste heat is used as driving energy for the absorption cooling. The main focus is to evaluate the absorption technology in an environmental perspective, in terms of reduced CO{sub 2} emissions. Economic evaluations are also performed. The reduced electricity when using absorption cooling instead of compression cooling is quantified and expressed as an increased net electrical yield. The results show that absorption cooling is an environmentally friendly way to produce cooling as it reduces the use of electrically driven cooling in the energy system and therefore also reduces global CO{sub 2} emissions. In the small-scale trigeneration system the electricity use is lowered with 84 % as compared to cooling production with compression chillers only. The CO{sub 2} emissions can be lowered to 45 CO{sub 2}/MWh{sub c} by using recoverable waste heat as driving heat for absorption chillers. However, the most cost effective cooling solution in a district energy system is a combination between absorption and compression cooling technologies according to the study. Absorption chillers have the potential to be suitable bottoming cycles for power production in distributed systems. Net electrical yields over 55 % may be reached in some cases with gas motors and absorption chillers. This small-scale system for cogeneration of power and cooling shows electrical efficiencies comparable to large-scale power plants and may contribute to reducing peak electricity demand associated with the cooling demand.

  9. Risoe DTU annual report 2008. Highlights from Risoe National Laboratory for Sustainable Energy, DTU

    Energy Technology Data Exchange (ETDEWEB)

    Pedersen, Birgit; Bindslev, H. (eds.)

    2009-08-15

    Risoe DTU is the National Laboratory for Sustainable Energy at the Technical University of Denmark. The research focuses on development of energy technologies and systems with minimal effect on climate, and contributes to innovation, education and policy. Risoe has large experimental facilities and interdisciplinary research environments, and includes the national centre for nuclear technologies. The 2008 annual report gives highlights on Risoe's research in the following areas: wind energy, bioenergy, solar energy, fusion energy, fuel cells and hydrogen, energy systems and climate change, and nuclear technologies. It also includes information on Education and training, Innovation and business, Research facilities, and Management, Personnel and Operating statements. (LN)

  10. Risoe DTU annual report 2009. Highlights from Risoe National Laboratory for Sustainable Energy, DTU

    Energy Technology Data Exchange (ETDEWEB)

    Pedersen, Birgit; Bindslev, H. (eds.)

    2010-06-15

    Risoe DTU is the National Laboratory for Sustainable Energy at the Technical University of Denmark. The research focuses on development of energy technologies and systems with minimal effect on climate, and contributes to innovation, education and policy. Risoe has large experimental facilities and interdisciplinary research environments, and includes the national centre for nuclear technologies. The 2009 annual report gives highlights on Risoe's research in the following areas: wind energy, bioenergy, solar energy, fusion energy, fuel cells and hydrogen, energy systems and climate change, and nuclear technologies. It also includes information on Education and training, Innovation and business, Research facilities, and Management, Personnel and Operating statements. (LN)

  11. The role of Carbon Capture and Storage in a future sustainable energy system

    DEFF Research Database (Denmark)

    Lund, Henrik; Mathiesen, Brian Vad

    2012-01-01

    huge construction costs with the expectation of long lifetimes. Consequently, the CCS has to operate as part of large-scale power or CHP plants with high utilisation hours for the CCS investment to come even close to being feasible. However, seen in the light of transforming to sustainable energy......This paper presents the results of adding a CCS(Carbon Capture and Storage) plant including an underground CO2 storage to a well described and well documented vision of converting the present Danish fossil based energy system into a future sustainable energy system made by the Danish Society...... of Engineers. The analyses point in the direction that in such context a CCS investment is not a suitable way to decrease CO2 emissions. Other alternatives are more cost effective and will fit better into the long-term implementation of sustainable energy systems. The reason is that CCS investments involve...

  12. Water and Energy Sustainability: A Balance of Government Action and Industry Innovation

    Energy Technology Data Exchange (ETDEWEB)

    Ben Grunewald

    2009-12-31

    By completing the tasks and subtasks of the project, the Ground Water Protection Council (GWPC) through its state regulatory agency members and oil and gas industry partners, will bring attention to water quality and quantity issues and make progress toward water and energy sustainability though enhanced water protection and conservation thus enhancing the viability of the domestic fossil fuel industry. The project contains 4 major independent Tasks. Task 1 - Work Plan: Water-Energy Sustainability: A Symposium on Resource Viability. Task 2 - Work Plan: A Regional Assessment of Water and Energy Sustainability. Task 3 - Work Plan: Risk Based Data Management System-Water Water and Energy Module. Task 4 - Work Plan: Identification and Assessment of States Regulatory Programs Regarding Geothermal Heating and Cooling Systems. Each task has a specific scope (details given).

  13. Scenarios and metrics as guides to a sustainable future: the case of energy supply

    Energy Technology Data Exchange (ETDEWEB)

    Darton, R.C.

    2003-09-01

    World energy demand is expected to increase to several times its current level over the next 50 years. Much of this energy will come from fossil fuel, a finite resource, which moreover generates carbon dioxide, a cause of global warming. The incentive to develop other, renewable forms of energy is therefore strong, but how can we be sure that our expectations for the future form a rational basis for determining energy policy? The scenario planning technique does not attempt to predict the future, but offers a variety of visions against which current actions and policies can be tested. To guide the move towards a more sustainable future it is also important to be able to monitor our progress. The use of sustainability metrics, tailored to a particular purpose, and relating to resource efficiency, environmental protection, economic benefits and social development, is a way of quantifying this progress. The set of indicators illustrates the 'sustainability footprint' of an enterprise. (author)

  14. 3-fold initiative for energy planning and sustainable development at local level (3-NITY)

    Energy Technology Data Exchange (ETDEWEB)

    Mydske, Hans Jacob [New Energy Performance AS - NEPAS (Norway); Aamodt Espegren, Kari [Inst. for Energy Technology - IFE (Norway)

    2007-07-01

    The project demonstrates how the concept of 'Sustainable Energy Communities' can become a reality without much additional efforts in terms of costs and human resources. 3-NITY includes 28 communities in nine European countries.The 3-fold initiative engages local stakeholders such as politicians, planners, citizens and local energy actors to take part in local energy planning and implementation of sustainable energy measures, as well as adopting a working methodology for continuous improvement. This is achieved through the development, testing and demonstration of a comprehensive set of tools, quality systems and sustainable best practices that cover the following three main areas: Sustainable Planning; Sustainable Measures and Activities; Sustainable Excellence. 'Sustainable Planning' aims to develop a modern planning and investment decision tool for local energy planning which is prepared to engage several levels in the local community i.e. politicians, planners, energy market actors as well as the citizens. The new model is based on the existing KRAM model. The KRAM model is a simulation tool suited for sustainable energy planning in a municipality, a part of a city or in a region. Both energy for heating purposes and electricity for light and equipment can be analysed with the KRAM model. In addition, the model can be used to analyse the implementation of energy efficiency measures.'Sustainable Measures and Activities' aims to engage local politicians, planners and energy actors as well as the citizens to actively participate in local energy planning and implementation of sustainable energy measures. 'Sustainable Excellence' will make use of the existing tool for monitoring and measuring qualitative results achieved by an organisation, i.e. the EFQM-excellence model for local governments and municipalities. The Excellence Model of the European Foundation for Quality Management (EFQM) is based on the premise that excellent

  15. Transition to Sustainable Energy Neutral Districts before 2050. Innovative Concepts and Pilots for the Built Environment

    Energy Technology Data Exchange (ETDEWEB)

    Jablonska, B.; Ruijg, G.J.; Opstelten, I.J. [Energy research Centre of the Netherlands ECN, Petten (Netherlands); Epema, T. [TNO Bouw en Ondergrond, Delft (Netherlands); Willems, E.M.M. [Cauberg-Huygen Consulting Engineers, Amsterdam (Netherlands)

    2011-03-15

    The Dutch project 'Transition in Energy and Process for a Sustainable District Development' focuses on the transition to sustainable, energy neutral districts in 2050, particularly in energy concepts and decision processes. The main objective of the technical research is to develop four to six innovative energy concepts for 2050 for the four Dutch cities of Almere, Apeldoorn, Nijmegen and Tilburg, as well as the roadmap for realising this target. Firstly, 14 variations of six general energy concepts have been developed and calculations conducted on the energy neutrality in 2020, 2035 and 2050 by means of an Excel model designed for this purpose. Three concepts are based on the idea of an energy hub (smart district heating, cooling and electricity networks, in which generation, storage, conversion and exchange of energy are all incorporated): the geo hub (using waste heat and/or geothermal energy), the bio hub (using waste heat and/or biomass) and the solar hub (using only solar energy). The fourth concept is the so-called all-electric concept, based predominantly on heat pumps, PV and conversion of high temperature heat from vacuum collectors to electricity. The fifth concept uses only conventional technologies that have been applied since the second half of the previous century, and the sixth one uses only hydrogen. Calculations show that by implementing the hub concepts, the energy neutrality in 2050 ranges from 130 % (solar hubs) to 164% (geo hubs), excluding personal transport within the district. With the all-electric concept, an energy neutrality of 157% can be reached. Hydrogen only and Conventional concepts perform worse, but nevertheless reach an energy neutrality of around 115% in 2050. The energy neutrality shows the extent to which a district, in which the given concept is implemented, can supply itself with sustainable energy generated within the boundaries of that district. Based on the six general concepts, the most optimal energy concepts

  16. Does Renewable Energy Drive Sustainable Economic Growth? Multivariate Panel Data Evidence for EU-28 Countries

    Directory of Open Access Journals (Sweden)

    Daniel Ştefan Armeanu

    2017-03-01

    Full Text Available Energy is crucial to economic progress, but the contemporary worldwide population increase that demands greater energy generated from conventional exhaustible resources, an energy price upsurge, and environmental concerns, imperils sustainable economic growth. Nevertheless, switching to renewable energy produced from naturally replenished resources promotes energy security, likewise addressing issues such as global warming and climate change. This paper aims at exploring the influence and causal relation between renewable energy, both overall and by type, and sustainable economic growth of European Union (EU-28 countries for the period of 2003–2014. We notice that the mean share of renewable energy in the gross final energy consumption is 15%, while the mean share of renewable energy in transport fuel consumption is 3%, which are below the thresholds of 20% and 10%, respectively, as set by the EU Directive 2009/28/EC. By estimating panel data fixed-effects regression models, the results provide support for a positive influence of renewable energy overall, as well as by type, namely biomass, hydropower, geothermal energy, wind power, and solar energy on gross domestic product per capita. However, biomass energy shows the highest influence on economic growth among the rest of renewable energy types. In fact, a 1% increase of the primary production of solid biofuels increases GDP per capita by 0.16%. Besides, cointegrating regressions set on panel fully modified and dynamic ordinary least squares regressions confirm the positive influence related to the primary production of renewable energies on economic growth. A 1% increase in primary production of renewable energies increases GDP per capita by 0.05%–0.06%. However, the results of Granger causality based on panel vector error correction model indicate both in short-run and long-run a unidirectional causal relationship running from sustainable economic growth to the primary production of

  17. Public Pedagogical Portfolio

    DEFF Research Database (Denmark)

    Andersen, Shuang Ma

    in preparing this piece of work is to • profile myself as a teacher • through the portfolio writing, to develop my own understanding of teaching and to improve my own teaching • document pedagogical knowledge • document my own competence • analyze and relate pedagogical theory with practical teaching...... in teaching aspect (SWOT analysis) • generate improvement and future plan • share my pedagogical knowledge and understanding with others, and through supervision and exam, it will be inspected and improved • achieve a proof of a pedagogical education The goal of this work is to • use theoretical knowledge......This portfolio is a summary of my pedagogical training between 2010 and 2011 based on university adjunct education (DACIN Pædagogisk Grundkursus). Instead of completion of a pedagogical education, I will say it is a start / continue of the lifelong pedagogical mentality. The essential purpose...

  18. Hvorfor anvende portfolio eksamen?

    DEFF Research Database (Denmark)

    Elley, Tina Ninka

    2014-01-01

    In Denmark the Biomedical Laboratory Scientist programme lasts for 3½ years, divided into 14 modules of 10 weeks. Every module concludes with an exam, which can be very stressful for the students. A survey was made among the students, confirming this. How can we change some of the exams in order...... to minimize the students' stress level? Then the pedagogical considerations started – where and how to do this? The conclusion was to work with the portfolio format at module 6 and module 7 and make it the exam form, as it was possible to divide the expected learning outcome for the two modules into topics...... from the clinical part. The two topics are weighted according to the distribution of ECTS points between theory and clinic. We implemented the portfolio format in November 2012, and the evaluations from the students have shown that the format is good; the students get less stressed at the exam...

  19. On portfolio risk diversification

    Science.gov (United States)

    Takada, Hellinton H.; Stern, Julio M.

    2017-06-01

    The first portfolio risk diversification strategy was put into practice by the All Weather fund in 1996. The idea of risk diversification is related to the risk contribution of each available asset class or investment factor to the total portfolio risk. The maximum diversification or the risk parity allocation is achieved when the set of risk contributions is given by a uniform distribution. Meucci (2009) introduced the maximization of the Rényi entropy as part of a leverage constrained optimization problem to achieve such diversified risk contributions when dealing with uncorrelated investment factors. A generalization of the risk parity is the risk budgeting when there is a prior for the distribution of the risk contributions. Our contribution is the generalization of the existent optimization frameworks to be able to solve the risk budgeting problem. In addition, our framework does not possess any leverage constraint.

  20. Sustainability assessment of renewable energy projects: research report

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-07-01

    This report describes the results of a study that examined the development of an appraisal framework for renewable energy projects in the UK. The aim was to develop a framework that reflected the quality of life capital approach and could take into account social, economic and environmental effects at a range of different scales. The report describes in some detail: the steps leading to the definition, refinement and testing of the appraisal framework; the assessment methodology; baseline characterisation and evaluation; and application. Three fictional case studies (wind farm in a remote upland rural area, energy recovery facility in an urban fringe location and wood fuelled renewable energy plant in less remote rural area) are used to test the approach.