Academic literature on the topic 'Renewable energy sources (RES)'

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Journal articles on the topic "Renewable energy sources (RES)"

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Drosos, Dimitrios, Grigorios L. Kyriakopoulos, Stamatios Ntanos, and Androniki Parissi. "School Managers Perceptions towards Energy Efficiency and Renewable Energy Sources." International Journal of Renewable Energy Development 10, no. 3 (March 12, 2021): 573–84. http://dx.doi.org/10.14710/ijred.2021.36704.

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Global economic growth is accompanied by increased energy demand, thus conventional fuels such as coal, oil and gas, which are the primary energy sources, are gradually being depleted. At the same time, the combustion of conventional fuel for energy production causes serious adverse effects on the environment and contributes to climate change due to the emitted greenhouse gases. For the above reasons, most of the developed and developing countries especially during the last decades, have introduced various incentives for the greater penetration of renewable energy sources (RES) in all sectors of the economy. Concerning the building sector, several measures have been adopted, including the promotion of energy efficiency and energy saving. A significant proportion of the building stock are the school buildings where students and teachers spend a significant proportion of their daily time. Teachers' attitudes and views, especially the school unit managers concerning the use of RES in schools, are important in the effort to rationalize and control energy use. This study was conducted through a structured questionnaire applied to a sample of 510 school managers in Greece's primary and secondary education. The school unit managerial role for the case of Greek schools is performed by the school principal who has both administrative and educational duties. Statistical analysis included the application of Friedman's test and hypothesis test on questions concerning school manager environmental perceptions and energy-saving habits. According to the results, Greek school managers have a high degree of environmental sensitivity, since 97.6 % agreed or strongly agreed that the main concern should focus on energy saving. Furthermore, 71% of the respondent reported to have good knowledge on solar energy, followed by 64% on wind energy while only 34% are knowledgeable on biomass. Almost all the respondents (99%) agreed that it is important to provide more RES-orientated education through the taught curricula. Concerning energy saving behaviour, around 90% reported that they switch off the lights when leaving the classroom and they close the windows when the air-condition is operating. Hypothesis tests revealed a relationship between the school managers' ecological beliefs, the energy saving habits in the school environment, and the recognition of the importance of environmental education. Conclusions highlighted the need to intensify environmental education programs in the school environment concerning RES in schools. This will lead to a higher level of environmental awareness of both teachers and students and therefore to a more dynamic behaviour towards the effort to “greenify” the school environment.
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Agamalov, O. "GRID-FORMING/FOLLOWING CONTROL FOR CONVERTERS OF RENEWABLE ENERGY SOURCES." Tekhnichna Elektrodynamika 2021, no. 1 (January 14, 2021): 50–52. http://dx.doi.org/10.15407/techned2021.01.050.

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Have been proposed the new control framework for converters of renewable energy sources (RES-C), based on choosing their operation mode – grid-forming or grid-following in depends on the dynamic stiffness (DS) of the power system for some bus i (control point), where we can observe arbitrary disturbance. In the proposed RES-C control framework, in cases of small values of DS around bus i, used the grid-forming control mode of RES-C, and in cases of large values ​​of DS around bus i, used the grid-following control mode of RES-C. Operation mode of RES-C can be changing in depends on measured DS values for bus i of a power system. References 4, figures 2.
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Jatautas, Jaunius, and Andrius Stasiukynas. "Analysis of the Lithuanian renewable energy resources legal framework." Problems and Perspectives in Management 14, no. 3 (July 29, 2016): 31–45. http://dx.doi.org/10.21511/ppm.14(3).2016.03.

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Effective development of the legal framework promotes the production of energy from renewable energy sources (RES) that provide an alternative to fossil fuel energy and environmental protection. According to these provisions, the article performs content analysis of the Lithuanian RES legal framework and discloses regulatory grounds and barriers to RES development
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Subagyo, Subagyo, J. P. Moh. Yanuar, P. N. Bambang, and A. Saleh. "Substitution of energy needs with renewable energy sources." IOP Conference Series: Earth and Environmental Science 927, no. 1 (December 1, 2021): 012032. http://dx.doi.org/10.1088/1755-1315/927/1/012032.

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Abstract The problem of global warming is a problem facing the world community. Since the Industrial Revolution’s birth, the use of energy from fuel oil (FF) has surged, and this causes an increase in Greenhouse Gases (GHGs) resulting from burning fuel. This GHG is the cause of the rise in the earth’s temperature, which is estimated to one day, the earth is not comfortable and even no longer habitable. The solution to the problem is reducing GHGs that can be done by saving fuel use, which is replaced with renewable energy sources (REs). RE sources are obtained from the Solar Power Plant (SPP), Wind Energy Power Plant (WEPP), Ocean Wave and Current Power Plant (OWPP and OCPP), Nuclear Power Plant (NPP), Biodiversification Power Plant (BPP), Hybrid Power Plant. Besides, REs can also increase the overall electrification in Indonesia, such as in East Nusa Tenggara. However, the electrification rate is still low in quality. According to the Republic of Indonesia Government Regulation 2014, the National Energy Policy mandates that energy mix from REs in 2025 is expected to reach 23%. This paper presents a literature review on new and renewable energy that can be considered early in their use.
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Marchenko, Oleg V., and Sergei V. Solomin. "Efficiency Assessment of Renewable Energy Sources." E3S Web of Conferences 114 (2019): 05001. http://dx.doi.org/10.1051/e3sconf/201911405001.

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A review of the methods and models used at the ESI SB RAS to assess the effectiveness of renewable energy sources (RES) was carried out. Criteria were formulated and calculation formulas were given for a preliminary assessment of the competitiveness of renewable energy sources as compared to alternative energy supply options. A mathematical model of the world energy system was considered, where renewable energy sources were described by averaged indicators. The model allows for different scenarios of external conditions to explore the prospects for the development of energy technologies, including renewable energy sources. For the analysis of autonomous energy systems with RES, a simulation model was developed so as to treat the processes of production, consumption, and energy storage in their dynamics. The optimization version of the mathematical model eliminates the need for a pre-assignment of the energy flow control algorithm. In this case, it is possible to study systems with the simultaneous presence of several units of energy storage of various types. For the study of renewable energy sources under market conditions, a model was developed so as to take into account the presence of various decision-making hubs, as well as the impact of governmental regulatory bodies in the market. It was shown that the most efficient mechanism for encouraging the development of renewable energy sources is the creation of a market for "green certificates", with the least efficient renewable energy sources to be subsidized.
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Raguzin, Igor, and Zeljko Tomsic. "Legislation framework for Croatian renewable energy sources development." Thermal Science 11, no. 3 (2007): 27–42. http://dx.doi.org/10.2298/tsci0703027r.

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The energy sector reform in the Republic of Croatia (started 2001), which comprises restructuring, liberalization, privatization, and changes in the overall energy sector, has a significant effect on the possibilities of introducing and increasing the share of renewable energy sources (RES). The adoption of a new legislative framework within the context of reforming Croatia?s energy sector is of key importance for further development and for the future or RES utilization. The Electricity Market Act sets out the le- gal obligation to purchase electricity produced from RES in the manner that a quota or a minimum obligatory share of RES in electricity production is determined by a Government ordinance combined with Tariff system for the production of electricity from renewable energy sources and co-generation. Consequently, on the one hand, incentive funds needed to cover increased costs of production from RES will be collected from customers through the supplier and distributed to privileged producers (feed-in-tariffs, purchase is guaranteed to RES producers on known terms) through the Market Opera- tor. On the other hand, RES investment projects will be encouraged by pur- pose-specific government subsidy and by the Environmental Protection and Energy Efficiency Fund (out of public budget). By applying new energy legislation and associated by-laws (coming into force in 2007), RES projects in Croatia will be provided with a complete and stable legal framework as well as support through incentive measures which will equitably value environmental, social and other benefits of RES use.
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Marks-Bielska, Renata, Stanisław Bielski, Katarzyna Pik, and Krystyna Kurowska. "The Importance of Renewable Energy Sources in Poland’s Energy Mix." Energies 13, no. 18 (September 5, 2020): 4624. http://dx.doi.org/10.3390/en13184624.

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Exploitation of renewable energy sources for power generation has been more and more important in recent years. This results from the economic issues and the measures taken to ensure the energy security. The aim of this research was to determine the significance of renewable energy sources (RES) in the energy mix of Poland, and to elicit the opinions and the level of knowledge of the society on the use and development of non-conventional energy. The article also presents advantages and disadvantages of types of RES, the obstacles which hinder the progress of green energy in Poland, and the proposed measures to expand the share of the RES in the overall energy mix. The research relied on the statistical data gathered by Statistics Poland. The opinions of respondents were elicited through a diagnostic survey based on a questionnaire. The research has demonstrated that the respondents support the development of RES in Poland. However, they also maintain that the purchase and installation of devices for the production of non-conventional energy are too expensive. The respondents believe that in order to increase the number of green power plants, subsidies to encourage RES investment and tax reliefs related to this investment should be bigger.
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Havlíček, J., M. Pelikán, and T. Šubrt. "  New businesses for small and medium entrepreneurs (SMEs) in the Renewable Energy Sources (RES)." Agricultural Economics (Zemědělská ekonomika) 58, No. 9 (September 26, 2012): 425–32. http://dx.doi.org/10.17221/116/2011-agricecon.

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The development of renewable energy producers in rural areas creates new job opportunities for the countryside population. The decentralized manner of renewable energy in small cities is one of the ways how to meet the rural and small scale energy needs in a reliable, affordable and environmentally sustainable way. In 2010, the Czech University of Life Sciences Prague has finished the participation in the European IEE project RES COMPASS. In mutual cooperation, with seven partners from the Great Britain, France, Spain, Greek and Finland, the University has been involved in the extensive research concerning the impact of the Renewable Energy Sources (RES) on the future European labour market. The RES COMPASS project meets the objectives expressed by the New Skills for New Jobs Initiative of the EU and stressed also other initiatives, namely the Green Jobs Initiative, the UNEP initiative as well as the requirements of the International Trade Union Confederation and the International Organization of Employers in 2008. The RES COMPASS programme strategy was based on the implementation steps in three mutually supportive components: The first component Comparative analysis of the methods of identification of skill needs on the future labour market based on the renewable energy sources was concerned in the young generation of the today’s students. The second component Career Orientation test was developed as a tool for the potential young people thinking about a future career in the emerging area of renewable energy. The third component focused on the future business opportunities for small and medium entrepreneurs (SMEs) in the RES sector. The paper informs about findings of the third component New businesses for SMEs in the RES. Realistic possibilities of the development of SMEs appear to exist in the provision of more complex services reacting to (1) needs of more rapid renovation of the morally depreciated devices, (2) interest of inhabitants and producers in the installations of at least two different autonomous alternative energy sources, (3) creation of informal groups of users who will share various energy sources, (4) need to support the installation of energy devices with other measures – energy audits and projects.
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Sokolov, Yu I. "Problems and Risks of Renewable Energy Sources." Issues of Risk Analysis 18, no. 4 (August 27, 2021): 28–47. http://dx.doi.org/10.32686/1812-5220-2021-18-4-28-47.

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The article analyzes the problems and risks of new-fangled renewable energy sources in the 21st century, which can radically change the energy picture of the world and to a certain extent reduce the risk of climate change. However, energy generation from wind is usually available 25—35% of the time, from the sun — 10—25%.Renewable energy sources (RES) face the problem of accumulating or supporting capacities that should replace the unstable generation of RES at the time of inevitable failures. RES cannot exist without excess reserve capacities on traditional energy carriers that can quickly increase and reduce electricity production. Abandoning hydrocarbons in the next 30—50 years looks unrealistic if countries want to maintain their competitiveness. The growth of the share of RES in the global energy balance is an extremely politicized phenomenon.The development of renewable generation creates risks for consumers. Especially for large ones. One of these risks is associated with the intermittent, unstable nature of renewable generation, which in recent years has been understood mainly as solar and wind power plants. In addition, to produce more solar panels, wind turbines and batteries for electric vehicles, humanity will need more specific resources — rare earth metals. The production of these metals is unsafe for the environment. It involves the consumption of a huge amount of water and electrical energy.Renewable energy sources may dominate, but it will take centuries. Demand is already growing, but fossil fuels will live long enough.
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Alekseevich, M. Y., V. S. Dubinin, and S. O. Shkarupa. "Pneumatic rechargeable battery system for renewable energy sources." Informacionno-technologicheskij vestnik 15, no. 1 (March 30, 2018): 3–11. http://dx.doi.org/10.21499/2409-1650-2018-1-3-11.

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To provide power supply of remote objects, a common solution is decentralized energy supply. One way to implement this method of energy supply is to generate energy using renewable energy sources (RES). Despite the significant expansion of energy sources (solar modules, wind generation), the question of energy storage remains largely open. At present, the process of development and permanent modernization of various types of batteries for RES is of scientific and practical interest.
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Dissertations / Theses on the topic "Renewable energy sources (RES)"

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Turesson, Jonas. "Potential for Renewable Energy Sources (RES) in Grenoble, Delft & Växjö." Thesis, KTH, Industriell ekonomi och organisation (Inst.), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-34442.

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Sustainable cities is an area that has grown in size over the last couple of years. The SESAC (Sustainable Energy Systems in Advanced Cities) is a EU-project looking at the potential to increase the share of Renewable Energy Sources (RES) and promote energy efficiency measures in different EU cities. This master thesis is a part of that project. Specifically, the thesis examines the cities of Grenoble, Delft and Växjö and looks at what measures regarding RES and energy efficiency have been taken historically, both under the SESAC project and otherwise, and assesses the possibility of further measures in the cities. The main RES evaluated are wind power (large scale and urban), solar (PV and thermal) and waste treatment (waste incineration and biogas production). The feasibility of these renewable technologies is evaluated both physically, technically and economically for each city. Further, the historical and current hinders and promoters in the form of different support schemes and other economic and institutional schemes are summarized for each country and city and the effects of which included in the feasibility calculations. Also, current CO2 emissions of Grenoble, Delft and Växjö are stated and the impact of implementing the measures examined is calculated. A comparison between the three cities is also made and suggestions are made to what they can learn from each other and what synergies there are.    Results show that the technical potential for RES is sizeable in the cities, as seen in Table 1. Important to note are the differences between the cities. Besides from their differences in population size, ranging from 83 000 (Växjö) and 96 000 (Delft) to 400 000 (Grenoble), available land area as well as climate are very different in the cities, therefore affecting the potential for the RES technologies.   RES potential [GWh] Grenoble Delft Växjö Wind 458 1,2 (Urban only) 297-2000 Solar PV 375 150 0,06-0,3 Waste treatment 41 11 10 Table 1. Technical potential of RES in Grenoble, Delft and Växjö Looking at the economic potential, however, the picture is not as optimistic. The only economically feasible investments of the options in Table 1 are investing in solar PV in Grenoble and Delft (IRR of 0-10%) and wind in Växjö (IRR of 4%). All other investments have negative NPV:s and IRR:s, meaning that either the cost of the technologies must be reduced or more favorable support scheme be introduced in order to make the them profitable.
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Helkin, Steven Alexander. "Design and optimization of a wave energy harvester utilizing a flywheel energy storage system." Master's thesis, University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4774.

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This thesis details the design and optimization of a buoy used to collect renewable energy from ocean waves. The proposed buoy is a point absorber--a device that transforms the kinetic energy of the vertical motion of surface waves into electrical energy. The focus of the research is on the mechanical system used to collect the energy, and methods to improve it for eventual use in an actual wave energy harvester. A flywheel energy storage system was utilized in order to provide an improved power output from the system, even with the intermittent input of force exerted by ocean waves. A series of laboratory prototypes were developed to analyze parameters that are important to the success of the point absorb mechanical system. By introducing a velocity-based load control scheme in conjunction with flywheel energy storage, it was seen that the average power output by the prototype was increased. The generator load is controlled via a relay switch that removes electrical resistance from the generator--this sacrifices time during which power is drawn from the system, but also allows the buoy to move with less resistance. A simulation model was developed in order to analyze the theoretical wave absorber system and optimize the velocity threshold parameters used in the load control. Results indicate that the power output by the system can be substantially improved through the use of a flywheel energy storage control scheme that engages and disengages the electrical load based on the rotational velocity of the flywheel system. The results of the optimization are given for varying-sized generator systems input into the simulation in order to observe the associated trends.
ID: 030646228; System requirements: World Wide Web browser and PDF reader.; Mode of access: World Wide Web.; Thesis (M.S.M.E.)--University of Central Florida, 2011.; Includes bibliographical references (p. 111-114).
M.S.M.E.
Masters
Mechanical and Aerospace Engineering
Engineering and Computer Science
Mechanical Engineering; Computer Aided Mechanical Engineering Track
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Ptáček, Michal. "Parciální řešení hybridního systému s nízkoteplotními palivovými články a obnovitelnými zdroji." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-233620.

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The thesis deals with the principle functions of low-temperature fuel cells with proton exchange membrane (PEMFC), photovoltaic sources (PVPP) and wind energy sources (WPP), along with solving their detailed mathematical expressions. In this work, the individual sources and their simulated models are analyzed in depth. The actual simulation is preceded by familiarization with important historical milestones in the development of fuel cells. Furthermore there is a basic classification of fuel cells and the characteristics of the cells used in the energy sectors. The text also provides information on projects that address the implementation of PEMFC as a primary or supplementary source of energy. Along with outlining the options for PEMFC as a perspective hydrogen technologies in the near future, the basic methods of hydrogen production and storage options are presented for the complexity. The work is exclusively focused on improving PEMFC mathematical models that under the hybrid system cooperate with renewable energy sources (RES). Part of the theses contains a short review of run or modeled concepts of hybrid systems in the energy sector. Using these models the main deficiencies of the models or of the whole PEMFC system can be identify. Specifications of the deficiencies lead to the creation of a new advanced dynamic PEMFC model that allows an analysis of the development of electrical and non-electrical quantities using long term tests. Furthermore, the thesis presents results of the experiments of thermal and dynamic behavior PEMFC, which were obtained from the additionally extended model with a reformer and the DC/DC converter. In this text there is a model of a photovoltaic module created, which is based on the nominal values parameterization. The model is subjected to basic experiments in which measured hydrometeorological data are used. If the hybrid system utilizes renewable energy sources, it is good to know the evolution of atmospheric conditions in the installation of these resources. Specifically for PVPP, publicly available databases containing information about solar radiation levels can be used for the selected location. Public databases are often used for initial design and manufacturing options for PVPP. An evaluation of the relevancy of public databases is performed based on a long-term observation of real measured data. Furthermore, these data are used for experiments on the photovoltaic module. Partially the text addresses the issue of the wind energy sources, however, it is simulated only on a simplified model of WPP. Created models of subsystems can be generally implemented as partial inputs hybrid systems in the future work. The thesis was developed at Centre for Research and Utilization of Renewable Energy (CVVOZE) with the financial support of the National Programme for Sustainability and the Ministry of Education, Youth and Sports of the Czech Republic under the project no. LO1210 - Energy for Sustainable Development and the project no. FEKT-S-14-2520 - New Technologies for Sustainable Development of Electrical Power Systems. The thesis was also generated under the project no. TA03020523 - Dynamic model of distribution network with the financial support of Technology Agency of the Czech Republic.
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Бартецька, І. А. "Оптимізація функціонування комплексів відновлюваних джерел енергії у електромережах." Thesis, ВНТУ, 2016. http://conferences.vntu.edu.ua/index.php/all-feeem/all-feeem-2016/paper/view/544.

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У роботі розглядаються умови оптимальності функціонування в електричних системах відновлюваних джерел електроенергії (ВДЕ), керованість яких обмежена впливом нестабільних погодних умов. Показано вплив інформаційного забезпечення системи керування на ефективність використання ВДЕ
The work conditions of optimum operation of renewable energy sources (RES) in electrical systems are considered.
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Romaniuk, O. "Renewable energy sources." Thesis, Видавництво СумДУ, 2009. http://essuir.sumdu.edu.ua/handle/123456789/13666.

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Kondratyuk, O. V. "Renewable energy sources in Ukraine." Thesis, Видавництво СумДУ, 2009. http://essuir.sumdu.edu.ua/handle/123456789/13612.

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Malý, Jan. "Renewable Energy Sources Support Policy." Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-11041.

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Renewable energy sources support policy employs a great variety of economic tools in order to promote the use of green energy. Following thesis at first offers an overview and economic insight into the most applied ones. Since the majority of the European Union Member States nowadays prefer so-called feed-in tariffs schemes we proceed in-depth analysis of effectiveness of that instrument in electricity sector in four selected European countries Austria, Czech Republic, Germany and Spain. An effectiveness indicator which compares marginal electricity generation potential with additional realizable potential of particular renewable energy sources technology is used for that analysis. The results clearly show that the best practice of feed-in tariff design is pursued in Germany where the special set of tariff design and adjustment measures is applied.
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Johnson, Darrin B. "Federal renewable-energy research and development funding and innovation /." View online, 2008. http://repository.eiu.edu/theses/docs/32211131423535.pdf.

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Yan, Zuanhong. "Control of fluctuating renewable energy sources : energy quality & energy filters." Thesis, University of Birmingham, 2018. http://etheses.bham.ac.uk//id/eprint/8568/.

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This doctoral study discusses how to control fluctuating renewable energy sources at converter, unit, and system layers to deliver smoothed power output to the grid. This is particularly relevant to renewable power generation since the output power of many kinds of renewable energy sources have huge fluctuations (e.g. solar, wind and wave) that needs to be properly treated for grid integration. In this research, the energy quality is developed to describe the friendliness and compatibility of power flows/waveforms to the grid, by contrast with the well-known concept of power quality which is used to assess the voltage and current waveforms. In Chapter 1 & 2, a background introduction and a literature review of studied subjects are presented, respectively. In Chapter 3, the problem of determining the PI parameters in dq decoupling control of voltage source converter (VSC) is studied based on a state-space model. The problems of the conventional method when there is insufficient interface resistance are addressed. New methods are proposed to overcome these drawbacks. In Chapter 4 & 5, energy quality and the energy filters (EFs) are proposed as tools to assess and manage power fluctuations of renewable energy sources. The proposed EFs are energy storage control systems that could be implemented on a variety of energy storage hardware. EFs behave like low-pass filters to the power flows. Finally, in Chapter 6, as an application example of renewable power plant with energy filter control and smoothed power output, a master-slave wave farm system is proposed. The wave farm system uses enlarged rotor inertia of electric machines as self-energy storage devices.
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Ashby, Scott John. "Remaining off-line : an investigation of Australia's reaction to renewable energy technology development /." Title page, table of contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09ENV/09enva823.pdf.

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Books on the topic "Renewable energy sources (RES)"

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Resolution on use of renewable resources for energy production: Report (to accompany H. Con. Res. 424). [Washington, D.C: U.S. G.P.O., 2006.

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United States. Congress. House. Committee on Agriculture. Resolution on use of renewable resources for energy production: Report (to accompany H. Con. Res. 424). [Washington, D.C: U.S. G.P.O., 2006.

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United States. Congress. House. Committee on Agriculture. Resolution on use of renewable resources for energy production: Report (to accompany H. Con. Res. 424). [Washington, D.C: U.S. G.P.O., 2006.

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Technologie und Verkehr North Rhine-Westphalia (Germany). Ministerium für Wirtschaft und Mittelstand. Future energies from North Rhine-Westphalia: Energy Land NRW, NRW State Initiative on Future Energies : REN programme : project examples. Düsseldorf: Ministry of Economic Affairs, Technology, and Transport, North Rhine-Westfalia, Dept. of Public Relations, 1999.

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Xin neng yuan: Ren lei de bi ran xuan ze = Xinnengyuan renlei de biran xuanze. Beijing: Hua xue gong ye chu ban she, 2010.

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Alice, McKeown, and Mastny Lisa, eds. Red, white, and green: Transforming U.S. biofuels. Washington, D.C: Worldwatch Institute, 2009.

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Expressing the sense of Congress that it is the goal of the United States that, not later than January 1, 2025, the agricultural, forestry, and working land of the United States should provide from renewable resources not less than 25 percent of the total energy consumed in the United States and continue to produce safe, abundant, and affordable food, feed, and fiber: Report (to accompany H. Con. Res. 25). [Washington, D.C: U.S. G.P.O., 2007.

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United States. Congress. House. Committee on Agriculture. Expressing the sense of Congress that it is the goal of the United States that, not later than January 1, 2025, the agricultural, forestry, and working land of the United States should provide from renewable resources not less than 25 percent of the total energy consumed in the United States and continue to produce safe, abundant, and affordable food, feed, and fiber: Report (to accompany H. Con. Res. 25). [Washington, D.C: U.S. G.P.O., 2007.

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United States. Congress. Senate. Committee on Energy and Natural Resources. Spark M. Matsunaga Hydrogen Research, Development, and Demonstration Act of 1990: Report (to accompany H. Res. 4521). [Washington, D.C.?: U.S. G.P.O., 1990.

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Providing for the consideration of the Senate amendments to the bill (H.R. 6) to reduce our nation's dependency on foreign oil by investing in clean, renewable, and alternative energy resources, promoting new emerging energy technologies, developing greater efficiency, and creating a strategic energy efficiency and renewables reserve to invest in alternative energy, and for other purposes: Report of the Committee on Rules to accompany H. Res. 846. Washington: U.S. G.P.O., 2007.

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Book chapters on the topic "Renewable energy sources (RES)"

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Fara, Laurentiu. "Renewable Energy Sources (RES) Action Plan in Romania." In Hydrogen Power: Theoretical and Engineering Solutions, 475–83. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-015-9054-9_63.

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Badea, Nicolae, Ion V. Ion, Nelu Cazacu, Lizica Paraschiv, Spiru Paraschiv, and Sergiu Caraman. "Renewable Energy Sources for the mCCHP-SE-RES Systems." In Design for Micro-Combined Cooling, Heating and Power Systems, 91–131. London: Springer London, 2014. http://dx.doi.org/10.1007/978-1-4471-6254-4_4.

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Schreiber, Steffi, Christoph Zöphel, and Dominik Möst. "Optimal Energy Portfolios in the Electricity Sector: Trade-Offs and Interplay Between Different Flexibility Options." In The Future European Energy System, 177–98. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60914-6_10.

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AbstractThe expansion of renewable energy sources (RES) and the electrification of demand side sectors raise the need for power system flexibility. The following model-based analysis illustrates the complexity of the European energy system transformation with pathways regarding the RES expansion, sector coupling, and different levels of flexibility provision. Differences occur concerning the optimal mix of flexibility options between the moderate and ambitious climate target scenarios. Dispatchable back-up capacities are necessary, also in presence of high RES shares. Here, CO2 prices influence the role of low-carbon technologies. Due to cross-sectoral interactions, energy storages have a limited value. For the ambitious scenarios, the emission reductions come close to the Green Deal targets of the European Commission, while levelized costs of electricity increase moderately compared to the less ambitious scenario.
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Ladwig, Theresa. "A Techno-Economic Comparison of Demand Side Management with Other Flexibility Options." In The Future European Energy System, 155–73. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60914-6_9.

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AbstractThis chapter assesses the techno-economic characteristics of demand side management (DSM) in comparison with other flexibility options (e.g., energy storages) in order to estimate its flexibility and benefit for the system integration of renewable energy sources (RES). The results show that load shedding and load shifting are less flexible than other flexibility options and can therefore only balance short-term fluctuations. In contrast, load increase is more flexible and can integrate excess feed-in from RES also over longer periods. Analysis about the impact of DSM on other flexibility options show, that DSM lowers utilization and contribution margin of peak load plants and energy storages, while it increases both for baseload power plants. More electricity is consumed nationally due to DSM as it decreases imports and exports.
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Heitel, Stephanie, Anna-Lena Klingler, Andrea Herbst, and Francesca Fermi. "Disruptive Demand Side Technologies: Market Shares and Impact on Flexibility in a Decentralized World." In The Future European Energy System, 115–36. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60914-6_7.

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AbstractElectricity demand is expected to increase strongly as electrification and the use of hydrogen are promising decarbonization options for the demand side sectors transport and industry. In a decentralized system with volatile renewable energy sources, flexibility potentials will play an important role for secure and cost-efficient electricity supply. On the demand side, decentralized PV-battery systems and electric vehicles as well as hydrogen production by electrolyzers could provide the necessary flexibility. Energy demand over time is calculated based on assumed and simulated market shares of these and other low-emission technologies. Impacts on the system and residual load are analyzed, with a focus on the contribution of load shifting as a demand-side measure. Results indicate that load shifting can contribute significantly to integrate RES electricity.
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Popovski, Kiril, and Sanja Popovska Vasilevska. "Sustainability and Economic Feasibility of Combinations of Renewable Energy Sources (RES) and Fossil Fuels For Production of Heat And Electricity." In Sustainable Energy Production and Consumption, 159–70. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8494-2_9.

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Dunlap, Richard A. "Renewable Energy Sources." In Renewable Energy, 39–93. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-031-02521-1_3.

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Oliveira, João Fernando Gomes de, and Tatiana Costa Guimarães Trindade. "Renewable Energy Sources." In Sustainability Performance Evaluation of Renewable Energy Sources: The Case of Brazil, 19–43. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-77607-1_2.

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Green, David C. "Renewable Energy Sources." In Home Energy Information, 47–51. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-11349-4_7.

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Ketsetzi, Antonia, and Mary Margaret Capraro. "Renewable Energy Sources." In A Companion to Interdisciplinary STEM Project-Based Learning, 145–53. Rotterdam: SensePublishers, 2016. http://dx.doi.org/10.1007/978-94-6300-485-5_17.

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Conference papers on the topic "Renewable energy sources (RES)"

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Dragović, Njegoš, Milovan Vuković, and Igor Urošević. "Application of renewable energy resources in buildings." In 8th International Conference on Renewable Electrical Power Sources. SMEITS, 2020. http://dx.doi.org/10.24094/mkoiee.020.8.1.87.

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The structure of the facilities under construction must be designed to be energy efficient. The contribution of each residential or business, production and storage facility must be viewed in the context of energy savings and transformation through a centralized system. Renewable energy sources (RES) make a significant contribution to energy efficiency in buildings, which can be combined with each other and through huge transformations from thermal to electricity, achieve huge savings. in addition to savings and efficiency, RES also affect the construction of facilities that fit into the living space and compensate for the modalities of heating-cooling-transformation-storage-sale of excess energy The paper analyzes the current state of licensing, design and construction of facilities, as well as the issuance of use permits with reference to the installation of "green" materials and the creation of an appropriate atmosphere that supports renew-able energy sources and energy efficiency.
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Kumar, Amit, Tanvir Singh, and Divya Khurana. "Energy optimization in wireless communication network through renewable energy sources (RES)." In 2012 IEEE 5th India International Conference on Power Electronics (IICPE). IEEE, 2012. http://dx.doi.org/10.1109/iicpe.2012.6450466.

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Pavlov, Pavlin. "APPLICATION OF RENEWABLE ENERGY SOURCES IN HOSPITALITY." In TOURISM AND CONNECTIVITY 2020. University publishing house "Science and Economics", University of Economics - Varna, 2020. http://dx.doi.org/10.36997/tc2020.499.

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Renewable energy sources provide a perspective for reducing the harmful effects on the environment. They also help to reduce the cost of meeting energy needs after the return on investment in alternative energy. The tourism sector and in particular the hotel business use significant amounts of energy resources. Therefore, the purpose of this report is to present the nature of RES and the ways of application in the hotel industry. Barriers and opportunities for overcoming them are outlined. Some good practices of using alternative energy sources in the hotel business are presented.
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Brankov, Borjan, Ana Stanojević, Mila Pucar, and Marina Nenković Riznić. "Possibilities of implementation of photovoltaic solar panels in multi-family housing areas." In 8th International Conference on Renewable Electrical Power Sources. SMEITS, 2020. http://dx.doi.org/10.24094/mkoiee.020.8.1.167.

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Due to the increasingly dynamic climate change and the increase in the number of people in cities, renewable energy sources (RES) are contributing to a more rational use of energy. Given the importance that the use of RES in housing directly brings in terms of financial savings and reduction of CO2 emissions, the paper examines the possibility of using RES in multi-family housing from the aspect of solar energy collection and conversion respectively implementation of photovoltaic panels and electricity generation. In multi-family housing, the problem of sustainability and implementation of RES is a complex task, primarily due to the existing ways of using space and ownership, which is multi-layered, but also the need for the active involvement of the entire housing community in deci-sion-making and initiatives. The research analyzes the advantages and disadvantages of installing solar panels on the rooftops and facades of buildings, and within the common open spaces in the block, by installing solar lamps, solar power for electric vehicles, solar chargers, etc. The examina-tion of the possibilities for using solar energy was conducted on the example of the residential Block 29 in New Belgrade, using urban analysis supported by appropriate data on solar radiation for the analyzed area and Skelion software for a numerical and graphical illustration of the amount of ener-gy that can be obtained by installing photovoltaic solar panels. The paper considers two different scenarios: when panels are installed on the roofs of buildings and when they are installed in open spaces, analyzing the potential of each and the prerequisites for their implementation in practice. The results aim to compare the quantities of electricity obtained by calculation for two different scenarios.
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M'Sirdi, Nacer K., Bechara Nehme, Mouna Abarkan, and Abdelhamid Rabbi. "The best MPPT algorithms by VSAS approach for Renewable Energy Sources (RES)." In 2014 3rd International Symposium on Environmental Friendly Energies and Applications (EFEA). IEEE, 2014. http://dx.doi.org/10.1109/efea.2014.7059994.

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Asharaa, Abdalfettah. "An Assessment of Renewable Energy Sources (RES) Potential in Libya: An Overview”." In Proceedings of the 1st International Multi-Disciplinary Conference Theme: Sustainable Development and Smart Planning, IMDC-SDSP 2020, Cyperspace, 28-30 June 2020. EAI, 2020. http://dx.doi.org/10.4108/eai.28-6-2020.2298171.

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Lezhniuk, Petro D., and Kateryna O. Povstianko. "Operational management of the balance of power and electric energy in the electrical power system with renewable energy sources." In 16th IC Measurement and Control in Complex Systems. Vinnytsia: VNTU, 2022. http://dx.doi.org/10.31649/mccs2022.12.

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This work demonstrates the effects of the active use of renewable energy sources (RES) in the unified energy system (UES) of Ukraine, in particular, maintaining the balance in the network for its reliable and high-quality operation. In the energy strategy for the development of renewable energy sources in Ukraine until 2035, a rapid increase of the installed RES capacity is planned, i.e. the task of maintaining balance sheet reliability in the conditions of an increase in the share of RES in the UES of Ukraine is quite urgent. Forecasting of the electricity balance is based on the generation forecast, electricity consumption in a given period of time, as well as fuel reserves and the volume of generating capacity reserves. Renewable energy sources have a non-uniform nature of generation, and therefore endanger aspects of balance reliability. This problem is key for Ukraine in light of the integration of Ukraine's energy system into the European ENTSO-E network. As a result of the conducted research, it can be stated that the improvement of the situation is possible only with an integrated approach and the implementation of appropriate technologies, namely: technical, economic and institutional technologies. The introduction of technologies will make it possible to improve monitoring and management of energy systems; economic implementations will contribute to the reform of retail pricing and taxation of electricity supplies, taking into account the payment they supply for electricity and covering part of the cost of the general infrastructure; institutional innovations will change the functions and responsibilities of management subjects. Improving coordination between transmission and distribution network operators will become a priority.
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Muszyński, Robert, and Katarzyna Kocur-Bera. "Opportunities and Barriers to the Development of Poland in the Field of Renewable Energy Sources as Compared to the European Union." In 11th International Conference “Environmental Engineering”. VGTU Technika, 2020. http://dx.doi.org/10.3846/enviro.2020.604.

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Today, almost all of civilisation is based on energy. To a large extent, energy is being continuously acquired from non-renewable raw materials deposited in the Earth’s crust. Renewable sources provide alternative, infinite energy resources, particularly solar radiation, wind power and water movement. The Paris Agreement envisages the complete abandonment of fossil fuels by the year 2050 for all EU Member States. From a technical point of view, a complete transition to renewable energy sources (RES) is very difficult to achieve. In the case of Poland, the way to 100% RES is longer and more complex than in most EU countries. The main purpose of the conducted analysis was to thoroughly assess the possibilities for obtaining energy from inexhaustible sources as well as the benefits of various procedures in order to develop an optimal set of solutions. The aim of the presented study is to indicate the possibilities for the development of construction investments in the field of renewable energy sources that have an inseparable impact on spatial management. To achieve this aim, the method of research of the available literature and legislation was applied.
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Karras, Ioannis, Dimitrios Zevgolis, and Harry D. Kambezidis. "An example of multimedia application for introducing renewable energy sources (RES) in an office environment." In SPIE Photonics Europe, edited by Peter Schelkens, Touradj Ebrahimi, Gabriel Cristóbal, Frédéric Truchetet, and Pasi Saarikko. SPIE, 2010. http://dx.doi.org/10.1117/12.849663.

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Hoarca, Cristian Ioan, and Florentina Magda Enescu. "On the energy efficiency of standalone fuel cell/renewable hybrid power sources Part II: Simulation results for variable load profile with different renewable energy sources profiles (RES)." In 2018 International Conference on Applied and Theoretical Electricity (ICATE). IEEE, 2018. http://dx.doi.org/10.1109/icate.2018.8551440.

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Reports on the topic "Renewable energy sources (RES)"

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Obozov, A. J., and W. V. Loscutoff. Opportunities for renewable energy sources in Central Asia countries. Office of Scientific and Technical Information (OSTI), July 1998. http://dx.doi.org/10.2172/663593.

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Aminjonov, Farkhod. Renewable Energy Sources: What should be on the Agenda now? The Representative Office of the Institute for War and Peace Reporting in Central Asia, August 2020. http://dx.doi.org/10.46950/202002.

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Barnes, P. R., W. P. Dykas, B. J. Kirby, S. L. Purucker, and J. S. Lawler. The integration of renewable energy sources into electric power transmission systems. Office of Scientific and Technical Information (OSTI), July 1995. http://dx.doi.org/10.2172/108200.

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Barnes, P. R. The Integration of Renewable Energy Sources into Electric Power Distribution Systems. Office of Scientific and Technical Information (OSTI), January 1994. http://dx.doi.org/10.2172/814204.

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Barnes, P. R., J. W. Van Dyke, F. M. Tesche, and H. W. Zaininger. The integration of renewable energy sources into electric power distribution systems. Volume 1: National assessment. Office of Scientific and Technical Information (OSTI), June 1994. http://dx.doi.org/10.2172/10171039.

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Zaininger, H. W. The Integration of Renewable Energy Sources into Electric Power Distribution Systems, Vol. II Utility Case Assessments. Office of Scientific and Technical Information (OSTI), January 1994. http://dx.doi.org/10.2172/814519.

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Zaininger, H. W., P. R. Ellis, and J. C. Schaefer. The integration of renewable energy sources into electric power distribution systems. Volume 2, Utility case assessments. Office of Scientific and Technical Information (OSTI), June 1994. http://dx.doi.org/10.2172/10170818.

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Crumbly, Isaac J., and Haixin Wang. An Analysis of the Use of Energy Audits, Solar Panels, and Wind Turbines to Reduce Energy Consumption from Non Renewable Energy Sources. Fort Belvoir, VA: Defense Technical Information Center, March 2015. http://dx.doi.org/10.21236/ada626067.

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Ayele, Seife, Wei Shen, Frangton Chiyemura, and Jing Gu. Enhancing China–Africa Cooperation in the Renewable Energy Sector. Institute of Development Studies, March 2021. http://dx.doi.org/10.19088/ids.2021.028.

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Access to affordable and sustainable electricity is of fundamental importance to development in much of Africa. But, while access to electricity is improving, contributions from non-hydropower renewable energy sources remain small. At the same time, China – the powerhouse of solar energy technologies – has made limited contribution to harnessing Africa’s renewable energy. Combining insights from recent webinars and research, this Policy Briefing discusses how China–Africa cooperation on renewable energy could lead to improvements in access to and supply of affordable and sustainable energy in Africa. Recommendations for African and Chinese policymakers and businesses include the adoption of transparent, competitive, and locally inclusive energy procurement and use mechanisms.
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Elshurafa, Amro, Frank Felder, and Nezar Alhaidari. Achieving Renewable Energy Targets Without Compromising the Power Sector’s Reliability. King Abdullah Petroleum Studies and Research Center, March 2022. http://dx.doi.org/10.30573/ks--2021-dp23.

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Saudi Arabia’s Ministry of Energy has set ambitious renewable energy goals. Although the Kingdom’s current energy mix is dominated by conventional energy (>95%), it aims to draw 50% of its energy from renewable sources by 2030. Currently, the Kingdom enjoys very high solar photovoltaic potential, and it is also well positioned for wind generation. Thus, studying the reliability of highly renewable power systems and the impact of converting conventional generation to renewable energy is of paramount importance. The latter analysis is important because temperatures in the Kingdom are often high for a considerable portion of the year.
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