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Journal articles on the topic 'Intermittent Renewable Energy'

Author: Grafiati

Published: 19 June 2021

Last updated: 29 July 2025

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1

Aleti, Saketh, and Gal Hochman. "Non-Constant Elasticity of Substitution and Intermittent Renewable Energy." Agricultural and Resource Economics Review 49, no. 2 (2020): 321–59. http://dx.doi.org/10.1017/age.2020.7.

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In this article, we present a model of the electricity sector where generation technologies are intermittent. The economic value of an electricity generation technology is given by integrating its production profile with the market price of electricity. We use estimates of the consumer's intertemporal elasticity of substitution for electricity consumption while parameterizing the model empirically to numerically calculate the elasticity between renewables and fossil energy. We find that there is a non-constant elasticity of substitution between renewable and fossil energy that depends on price

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2

Coiante, Domenico. "Limiti e prospettive delle fonti rinnovabili in Italia." ECONOMICS AND POLICY OF ENERGY AND THE ENVIRONMENT, no. 2 (May 2009): 163–79. http://dx.doi.org/10.3280/efe2008-002011.

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- The Italian energy balance for year 2005 is discussed with particular attention on renewable energy production. The potentials of renewable sources are evaluated in terms of energy density that can be obtained from occupied plant area. About 20000 km2 of sunny barren lands are present in South of Italy, particularly suitable for photovoltaic plants and that corresponds to a potential production of 144 Mtep of primary energy. Therefore, in theory, the photovoltaic energy potential is comparable with energy balance. The grid connection limit due to intermittent power generation of photovoltaic

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Bastos, Jairo Silva, and Inayá Correa Barbosa Lima. "Nuclear Energy as a Foundation for Brazilian Energy Security: Analysis of the Electrical System’s Vulnerability in The Face of Renewable Sources Intermittency." Revista de Gestão Social e Ambiental 19, no. 7 (2025): e012818. https://doi.org/10.24857/rgsa.v19n7-036.

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Objective: This paper analyzes the strategic role of nuclear energy within the Brazilian electricity matrix, aiming to reduce systemic vulnerability in the context of the increasing share of intermittent renewable sources and the declining participation of hydropower, historically the backbone of national generation. Theoretical Framework: The study is based on guidelines from the Intergovernmental Panel on Climate Change (IPCC), reports from the International Atomic Energy Agency (IAEA), the National Energy Plan 2030, and scientific articles from journals such as Nature Energy and Applied Ene

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Kuntz, Mark T., and Justin Dawe. "Renewable Rechargeable. Remarkable." Mechanical Engineering 127, no. 10 (2005): 35–39. http://dx.doi.org/10.1115/1.2005-oct-2.

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This article reviews that flow batteries can turn intermittent wind power from a utility manager’s burden to a green and reliable energy source. Customers and the popular press have made it exceedingly clear that they expect wind, solar, and other renewable energy sources to play an increasingly important role in generating the electricity that powers modern society. This desire is often driven by concerns about air quality, public health, and energy security, among other factors. For a utility planner, any intermittent source is not dispatchable. A dispatchable energy source can be scheduled

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Al-Fatlawy, X. Ramy Riad, S. Senthilkumar, Jeyalaxmi M, et al. "Impact of Energy Storage Technologies on Grid-Connected Renewable Energy Systems." E3S Web of Conferences 591 (2024): 05006. http://dx.doi.org/10.1051/e3sconf/202459105006.

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The inclusion of renewable energy into the grid causes issues thanks to the intermittent features of sources such as solar and wind. Energy storage technologies are crucial for grid reliability and efficiency. This study explores how batteries, pumped hydro, and flywheels affect grid-connected renewable energy systems. A thorough investigation is made on how energy storage mitigates difficulties such as voltage regulation, frequency control, and load balancing. Economics, environment, cost-benefit analysis, and sustainability are also considered. The analysis underlines the capacity of energy

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6

Henriot, Arthur. "Economic curtailment of intermittent renewable energy sources." Energy Economics 49 (May 2015): 370–79. http://dx.doi.org/10.1016/j.eneco.2015.03.002.

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7

Barton, J. P., and D. G. Infield. "Energy Storage and Its Use With Intermittent Renewable Energy." IEEE Transactions on Energy Conversion 19, no. 2 (2004): 441–48. http://dx.doi.org/10.1109/tec.2003.822305.

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8

Baranes, Edmond, Julien Jacqmin, and Jean-Christophe Poudou. "Non-renewable and intermittent renewable energy sources: Friends and foes?" Energy Policy 111 (December 2017): 58–67. http://dx.doi.org/10.1016/j.enpol.2017.09.018.

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9

Gao, Xuefeng, Hao Li, Shuai Ji, Dingheng Wang, Dong Wang, and Jia Jia. "Research on Volatility Clustering Algorithm for Intermittent Renewable Energy." Journal of Physics: Conference Series 2401, no. 1 (2022): 012085. http://dx.doi.org/10.1088/1742-6596/2401/1/012085.

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Abstract The increase in the penetration rate of renewable energy such as wind power and photovoltaics has brought challenges to the stable dispatch and safe operation of the power system. Therefore, based on the short-time fast Fourier transform method, this paper constructs a long-short-term memory neural network model, and proposes a new volatility clustering algorithm for intermittent renewable energy. On this basis, based on the open source data set RTS-GMLC published by the National Renewable Energy Laboratory (NREL), experimental simulations were carried out to verify the effectiveness

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10

Moriarty and Honnery. "Energy Accounting for a Renewable Energy Future." Energies 12, no. 22 (2019): 4280. http://dx.doi.org/10.3390/en12224280.

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For millennia, humans relied almost entirely on renewable energy (RE), largely biomass, for their energy needs. Over the past century, fossil fuels (FFs) have not only largely replaced RE, but have enabled a many-fold rise in total energy use. This FF dominance changed the way we think about and accounted for energy use. If (as at present) the world essentially continues to ignore climate change, eventual resource depletion will force conversion to RE and, perhaps, nuclear energy will once again have to provide most of the world’s energy use. However, the change is more likely to come about be

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11

Dr. N. Malathy, Raja Yashwanth Sai, K.Vagdevi, Dr.J.N.Swaminathan, Poojitha Mallireddy, and Aasiya.P. "Energy Storage System (ESS) To Integrate Intermittent Renewable Energy Sources." International Journal of Scientific Research in Computer Science, Engineering and Information Technology 11, no. 2 (2025): 3398–403. https://doi.org/10.32628/cseit25112819.

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Renewable energy sources generate power in a variable manner, and there may be unacceptably large fluctuations. Therefore, renewable energy is currently stored in batteries or super capacitors for later use, but this requires expensive maintenance. Therefore, the primary goal of the proposed system is to control renewable energy during fluctuations to provide a continuous power supply. To achieve this, we continuously monitor the solar panel's power generation and load usage, and we send these data to a machine learning model to categorize the switching status of the regulator circuit. All of

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12

Notton, Gilles, Cyril Voyant, and Jean Laurent Duchaud. "Difficulties of Solar PV Integration in Island Electrical Networks – Case Study in the French Islands." E3S Web of Conferences 111 (2019): 06028. http://dx.doi.org/10.1051/e3sconf/201911106028.

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Integrating intermittent and non-predictable renewable energy systems in an electrical network is a difficult task and a technical challenge mainly in an island network. The technical problems occurring in small not interconnected networks is explained. The electrical energy situation of several French islands spread over the World is analysed. Various aspects are successively studied: repartition of energy means, renewable energy part in the production with a focus on the intermittent renewable part. The electricity production cost in the islands are presented and the legal and financial feat

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13

C. R. Oliveira, Blandina, and Adelino Fortunato. "Efeito do Incremento da Produção de Energias Renováveis Intermitentes nos Preços da Eletricidade." Notas Económicas, no. 53 (October 22, 2021): 73–83. http://dx.doi.org/10.14195/2183-203x_53_5.

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Despite increasing deployment of intermittent renewable energies at lower generation costs, wholesale electricity price has been falling while retail electricity prices go up. This has triggered the debate on the cost-effectiveness of this source of energy. Therefore, the aim of this paper is to present a literature survey on the effect of intermittent renewable energy generation on electricity prices. Researches have used different methodological approaches, different periods and countries to examine the impacts of intermittent renewable energy on electricity prices. Most of the studies found

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14

Su, Wencong, Jianhui Wang, and Jaehyung Roh. "Stochastic Energy Scheduling in Microgrids With Intermittent Renewable Energy Resources." IEEE Transactions on Smart Grid 5, no. 4 (2014): 1876–83. http://dx.doi.org/10.1109/tsg.2013.2280645.

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15

Cavallo, Alfred J. "Energy Storage Technologies for Utility Scale Intermittent Renewable Energy Systems." Journal of Solar Energy Engineering 123, no. 4 (2001): 387–89. http://dx.doi.org/10.1115/1.1409556.

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16

Gersema, Gerke, and David Wozabal. "Risk-optimized pooling of intermittent renewable energy sources." Journal of Banking & Finance 95 (October 2018): 217–30. http://dx.doi.org/10.1016/j.jbankfin.2017.03.016.

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17

Salkuti, Surender Reddy. "Sustainable energy technologies for emerging renewable energy and electric vehicles." AIMS Energy 12, no. 6 (2024): 1264–70. https://doi.org/10.3934/energy.2024057.

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<p>Renewable energy and electric vehicles are used globally for reducing fuel dependency and carbon footprints. Here, I explore the complex field of "Sustainable Energy Technologies for Emerging Renewable Energy and Electric Vehicles" and examined the most recent advancements, obstacles, and ideas that are promoting the effective use of renewable energy sources (RESs), energy storage systems (ESSs), and electric vehicles (EVs). I focused on the integration of renewable energy (RE), energy storage (ES), and EVs into modern sustainable power grids. With the recent advances in power generat

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18

Rajendran, Gowthamraj, Reiko Raute, and Cedric Caruana. "A Comprehensive Review of Solar PV Integration with Smart-Grids: Challenges, Standards, and Grid Codes." Energies 18, no. 9 (2025): 2221. https://doi.org/10.3390/en18092221.

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Promoting a sustainable and low-carbon energy future through the integration of renewable energy is essential, yet it presents significant challenges due to the intermittent nature of resources such as solar and wind. This paper examines the technological and economic dimensions of AC, DC, and smart grids, concentrating on the optimization of costs, efficiency, stability, and scalability. Smart grids, enhanced by AI, IoT, and blockchain technologies, play a vital role in energy management optimization, predictive maintenance, and secure energy transactions. Furthermore, the incorporation of re

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19

Byrne, Paul, and Pascal Lalanne. "Parametric Study of a Long-Duration Energy Storage Using Pumped-Hydro and Carbon Dioxide Transcritical Cycles." Energies 14, no. 15 (2021): 4401. http://dx.doi.org/10.3390/en14154401.

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The urgent energy transition needs a better penetration of renewable energy in the world’s energy mix. The intermittency of renewables requires the use of longer-term storage. The present system uses water displacement, in a lined rock cavern or in an aerial pressurised vessel, as the virtual piston of compressor and expander functions in a carbon dioxide heat pump cycle (HPC) and in an organic transcritical cycle (OTC). Within an impermeable membrane, carbon dioxide is compressed and expanded by filling and emptying pumped-hydro water. Carbon dioxide exchanges heat with two atmospheric therma

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20

Alkatheri, Mohammed, Falah Alhameli, Alberto Betancourt-Torcat, Ali Almansoori, and Ali Elkamel. "Clustering Approach for the Efficient Solution of Multiscale Stochastic Programming Problems: Application to Energy Hub Design and Operation under Uncertainty." Processes 11, no. 4 (2023): 1046. http://dx.doi.org/10.3390/pr11041046.

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The management of the supply chain for enterprise-wide operations generally consists of strategic, tactical, and operational decision stages dependent on one another and affecting various time scales. Their integration usually leads to multiscale models that are computationally intractable. The design and operation of energy hubs faces similar challenges. Renewable energies are challenging to model due to the high level of intermittency and uncertainty. The multiscale (i.e., planning and scheduling) energy hub systems that incorporate renewable energy resources become more challenging to model

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21

Jurnal, Redaksi Tim. "PENGEMBANGAN TEKNOLOGI SISTEM SMART MICROGRID DI SEKOLAH TINGGI TEKNIK PLN." Sutet 7, no. 1 (2018): 63–67. http://dx.doi.org/10.33322/sutet.v7i1.167.

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Nowadays application of new and renewable energy as power plan renewable energy resources as power plant resource more and more increased. High penetration of renewable energy into the grid will influence the quality and reliability of the electricity system, due to the intermittent characteristic of renewable energy resources. The smart grid or microgrid technology has the ability to deal with this intermittent characteristic especially while these renewable energy resources integrated to grid in large scale, so its can improve the reliability and efficiency of that grid. We plan to implement

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22

Morfín, O., M. Gomez, J. Rodríguez, M. Murillo, and N. Padilla. "Active power compensator for a DC voltage bus of a renewable source." Journal of Applied Research and Technology 22, no. 1 (2024): 1–8. http://dx.doi.org/10.22201/icat.24486736e.2024.22.1.2147.

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Renewable energy sources generate intermittent electrical power due to weather conditions, such as variations in wind speed and solar radiation. The distributed nature of renewable energy sources requires new techniques to maintain the quality of electrical service and efficient use of energy. One of these techniques uses of battery bank when a renewable energy source does not generate the power level contracted by the utility grid. In this article, a power compensator is proposed. It consists of a bidirectional DC converter located between the battery bank and the DC bus of the renewable sour

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23

Huang, Chenn-Jung, An-Feng Liu, Kai-Wen Hu, Liang-Chun Chen, and Yu-Kang Huang. "A load-balancing power scheduling system for virtual power plant considering emission reduction and charging demand of moving electric vehicles." Measurement and Control 52, no. 5-6 (2019): 687–701. http://dx.doi.org/10.1177/0020294019836114.

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With the rapid development of the emerging technologies and significant cost reduction of the deployment for solar energy and wind power, the replacement of traditional power generation by renewable energy becomes feasible in the future. However, different from currently deployed centralized power sources, renewables are categorized as one kind of intermittent energy sources, and the scale of renewables is small and scattered. In the recent literature, the architecture of virtual power plant was proposed to replace the current smart grid in the future. However, the energy sharing concept and t

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24

Duan, Jon, G. Cornelis van van Kooten, and A. T. M. Hasibul Islam. "Calibration of Grid Models for Analyzing Energy Policies." Energies 16, no. 3 (2023): 1234. http://dx.doi.org/10.3390/en16031234.

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Intermittent forms of renewable energy destabilize electricity grids unless adequate reliable generating capacity and storage are available, while instability of hybrid electricity grids and cost fluctuations in fossil fuel prices pose further challenges for policymakers. We examine the interaction between renewable and traditional fossil-fuel energy sources in the context of the Alberta electricity grid, where policymakers seek to eliminate coal and reduce reliance on natural gas. We develop a policy model of the Alberta grid and, unlike earlier models, calibrate the cost functions of thermal

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25

Rosyied, Musthafa Abdur, Sarjiya Sarjiya, Lesnanto Multa Putranto, Izzuddin Fathin Azhar, and Eko Yudo Pramono. "A Determination of PV and Wind Power Plant Penetration into a Power System." Journal FORTEI-JEERI 1, no. 1 (2020): 29–40. http://dx.doi.org/10.46962/forteijeeri.v1i1.5.

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PT. PLN (Persero) has planned to develop a new renewable energy which has a minimum energy mix of 23% in 2025 and 31% in 2030. An intermittent renewable energy plant, which is uncontrollable and unpredictable, will begin to be massively used. Associated to the intermittent nature of the of intermittent renewable energy source (IRES), adequate system flexibility is necessary. This study determined the penetration level IRES generating unit using the systems load and existing generating unit ramping rate characteristic, IRES generating unit’s ramping rate and system’s technical minimum load (TML

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26

Jin, Chenrui, Xiang Sheng, and Prasanta Ghosh. "Optimized Electric Vehicle Charging With Intermittent Renewable Energy Sources." IEEE Journal of Selected Topics in Signal Processing 8, no. 6 (2014): 1063–72. http://dx.doi.org/10.1109/jstsp.2014.2336624.

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27

Moriarty, Patrick, and Damon Honnery. "Intermittent renewable energy: The only future source of hydrogen?" International Journal of Hydrogen Energy 32, no. 12 (2007): 1616–24. http://dx.doi.org/10.1016/j.ijhydene.2006.12.008.

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28

Kozlova, Mariia, and Alena Lohrmann. "Steering Renewable Energy Investments in Favor of Energy System Reliability: A Call for a Hybrid Model." Sustainability 13, no. 24 (2021): 13510. http://dx.doi.org/10.3390/su132413510.

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The global increase in electricity supply volatility due to the growing share of intermittent renewable energy sources together with recent extreme weather events draws attention to energy system reliability issues and the role of renewable energy sources within these systems. Renewable energy deployment strategies have already become a key element in debates on future global energy systems. At the same time, more extensive use of renewable energy sources implies a higher dependence on intermittent power, which puts the reliability of the electricity system at risk. Policymakers are introducin

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29

Coburn, Alice, Eilín Walsh, Patrick J. Solan, and Kevin P. McDonnell. "Combining Wind and Pumped Hydro Energy Storage for Renewable Energy Generation in Ireland." Journal of Wind Energy 2014 (August 21, 2014): 1–6. http://dx.doi.org/10.1155/2014/415898.

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Ireland has one of the highest wind energy potentials in Europe. The intermittent nature of wind makes this renewable resource impractical as a sole source of energy. Combining wind energy with pumped hydro energy storage (PHES) can overcome this intermittency, consuming energy during low-demand periods and supplying energy for periods of high demand. Currently Ireland has a number of hydroelectric power plants and wind farms of various scales in operation. A feasibility study was conducted to investigate the potential of securing a reliable source of renewable energy by increasing the penetra

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30

Suyanto, Heri. "Technical Analysis Feasibility Study on Smart Microgrid System in Sekolah Tinggi Teknik PLN." E3S Web of Conferences 31 (2018): 02011. http://dx.doi.org/10.1051/e3sconf/20183102011.

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Nowadays application of new and renewable energy as main resource of power plant has greatly increased. High penetration of renewable energy into the grid will influence the quality and reliability of the electricity system, due to the intermittent characteristic of new and renewable energy resources. Smart grid or microgrid technology has the ability to deal with this intermittent characteristic especially if these renewable energy resources integrated to grid in large scale, so it can improve the reliability and efficiency of the grid. We plan to implement smart microgrid system at Sekolah T

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31

Lee, Song, Hyeongrak Cho, Yongjun Choi, and Sangho Lee. "Application of Optical Coherence Tomography (OCT) to Analyze Membrane Fouling under Intermittent Operation." Membranes 13, no. 4 (2023): 392. http://dx.doi.org/10.3390/membranes13040392.

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There is increasing interest in membrane systems powered by renewable energy sources, including solar and wind, that are suitable for decentralized water supply in islands and remote regions. These membrane systems are often operated intermittently with extended shutdown periods to minimize the capacity of the energy storage devices. However, relatively little information is available on the effect of intermittent operation on membrane fouling. In this work, the fouling of pressurized membranes under intermittent operation was investigated using an approach based on optical coherence tomograph

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32

Belouda, Malek. "Optimal Battery Bank Dimensioning Algorithm for Renewable Systems Electrification of Isolated Sites." International Journal of Emerging Research in Management and Technology 6, no. 8 (2018): 20. http://dx.doi.org/10.23956/ijermt.v6i8.114.

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The penetration of renewable energy systems in remote areas contributes to reply to its accrued demand of electricity. Renewable energy systems as photovoltaic generation systems and wind generation systems are characterized by their unpredictable and intermittent character presenting the main drawback of these systems. Although this advantage, the problems caused by the intermittency of these systems can be resolved by employing a battery energy storage system. To this end this paper proposes and analyses an efficient and optimal methodology dedicated to applications fed by renewable energy s

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33

Wang, Zhangyi, Rui Cao, Dan Tang, Chunsheng Wang, Xiaoyu Liu, and Weiguang Hu. "Distributionally Robust Energy Optimization with Renewable Resource Uncertainty." Mathematics 13, no. 6 (2025): 992. https://doi.org/10.3390/math13060992.

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With the increasing prevalence of intermittent power generation, the volatility, intermittency, and randomness of renewable energy pose significant challenges to the planning and operation of distribution networks. In this study, a data-driven distributionally robust optimization model is introduced. This model takes into account the forecasting errors of wind power generation, as well as the operational constraints and coordinated control of energy storage, demand-side loads, and conventional generating units. The model can obtain the scheduling scheme with the lowest cost in scenarios with u

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34

Park, Sanghun, and Moon Son. "Energy Storage Capability of Seawater Batteries for Intermittent Power Generation Systems: Conceptualization and Modeling." ECS Meeting Abstracts MA2024-02, no. 1 (2024): 86. https://doi.org/10.1149/ma2024-02186mtgabs.

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The utilization of renewable energy sources for electricity generation has seen a notable rise owing to the global push for sustainable practices. Nevertheless, the surplus electricity supplied beyond demand poses a significant global challenge due to the disparity between energy generation and consumption. To address this issue effectively, the storage of excess renewable energy in energy storage systems (ESSs) is crucial. This study introduces the concept of a seawater battery (SWB) as an ESS tailored for intermittent power sources and evaluates its energy storage capacity. Four charging sce

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35

Nalyvaiko, Vitalii, Ivan Radko, Andrii Zhyltsov, Oleksandr Okushko, Anatolii Mishchenko, and Ievgen Antypov. "Investigation of Termomodernized Building's Microclimate with Renewable Energy." E3S Web of Conferences 154 (2020): 07011. http://dx.doi.org/10.1051/e3sconf/202015407011.

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The values of indoor air temperatures in separate premises of the educational building of National University of Life and Environmental Sciences of Ukraine before and after the works on the thermo-modernization of the building were determined. A significant reduction in energy expenditure was achieved through the use of solar panels and solar collectors when changing the energy control algorithm and equipment for implementing this algorithm. The coldest rooms and premises with excess temperature are detected. The causes of uneven distribution of temperatures were analyzed. The possibility of e

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Makhmudov, Tokhir Farkhadovich. "THE USE OF ARTIFICIAL INTELLIGENCE METHODS AND NEURAL NETWORK TECHNOLOGIES IN THE DEVELOPMENT OF INTELLIGENT ENERGY SYSTEMS." Educational Research in Universal Sciences 2, no. 7 (2023): 4–7. https://doi.org/10.5281/zenodo.8221599.

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Power electronics-based power system technology, called the smart grid, is fundamental to renewable energy systems because the intermittent nature of renewable energy affects the output characteristics of generators and converters and must be compensated for by integration with energy storage.

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Vinothine, Shanmugarajah, Lidula N. Widanagama Arachchige, Athula D. Rajapakse, and Roshani Kaluthanthrige. "Microgrid Energy Management and Methods for Managing Forecast Uncertainties." Energies 15, no. 22 (2022): 8525. http://dx.doi.org/10.3390/en15228525.

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The rising demand for electricity, economic benefits, and environmental pressures related to the use of fossil fuels are driving electricity generation mostly from renewable energy sources. One of the main challenges in renewable energy generation is uncertainty involved in forecasting because of the intermittent nature of renewable sources. The demand also varies according to the time of day, the season, the location, the climate, and the availability of resources. Microgrids offer a potential solution for the integration of small-scale renewable energy sources and loads along with energy sto

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Almagtome, Akeel, and Mohamed Abdlazez. "Energy Accounting and Performance: A theoretical Perspective." Akkad Journal Of Contemporary Accounting Studies 1, no. 4 (2022): 232–45. http://dx.doi.org/10.55202/ajcas.v1i4.88.

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People have relied on biomass as their primary source of renewable energy (RE) for thousands of years. Fossil fuels (FFs) have completely replaced renewable energy sources during the previous century and allowed for a twofold increase in global energy consumption. FF's dominance has changed how we think about and accounts for energy use. Suppose the world continues to ignore climate change. Eventually, renewable energy will be required, and nuclear power may once again be required to meet most of the world's energy requirements. However, the shift is likely to occur because of the urgent need

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39

Conde, Hans Joshua C., Christian M. Demition, and Jaime Honra. "Storage Is the New Black: A Review of Energy Storage System Applications to Resolve Intermittency in Renewable Energy Systems." Energies 18, no. 2 (2025): 354. https://doi.org/10.3390/en18020354.

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As the need for more sustainable methods of power generation becomes increasingly apparent due to the planet’s ever-deteriorating conditions, the quest for sustainable power generation intensifies. Among the options for sustainable power generation, the utilization of solar and wind power in large-scale applications is problematic due to the intermittent nature of their sources. Multiple solutions exist to counteract this intermittency, but energy storage systems are the most appealing. This article reviews the intermittency in renewable energy systems that rely on solar and wind, and how ener

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40

Ett, Gerhard, José Luis Gonçalves de Almeida, and João Bruno Valentim Bastos. "(Invited) Strategies to Mitigate the Impact of Intermittency of Renewable Energy Sources within the Brazilian Energy Matrix on Hydrogen Production by PEM and AWE Electrolysis for Biorefineries, with a Focus on Improving the Efficiency and Durability of Electrode Materials." ECS Meeting Abstracts MA2025-01, no. 38 (2025): 1992. https://doi.org/10.1149/ma2025-01381992mtgabs.

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Strategies to mitigate the impact of intermittency of renewable energy sources in the Brazilian energy matrix on hydrogen production by PEM electrolysis for biorefineries. The Brazilian energy matrix is characterised by a high share of renewable sources such as hydropower, biomass, solar and wind power. Over 20 years, the share of renewables in the Internal Energy Supply (IES) has remained at a high level, reaching 49.1 per cent in 2023, even with fluctuations in the supply of hydro and other renewable sources in the energy matrix. Furthermore, the supply of clean electricity in Brazil reached

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Hu, Xin, Zeke Li, Yan Lv, et al. "Optimization Methodologies for Reserve with Large-scale Renewables Integration." Journal of Physics: Conference Series 2520, no. 1 (2023): 012009. http://dx.doi.org/10.1088/1742-6596/2520/1/012009.

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Abstract Renewable energy has unpredictable intermittency and variability, increasing the complexity of grid dispatch. Fuzziness theory is introduced under the uncertainty of large-scale intermittent power supply. Renewable power is characterized by fuzziness parameters. Meanwhile, the conventional deterministic unit commitment model is transformed into a chance-constraint unit commitment with fuzziness parameters. The explicit equivalence classes of chance constraints with triangular fuzziness parameters are presented to clarify chance constraints. Also, the effectiveness of the proposed mode

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Lalanne, Pascal, and Paul Byrne. "Large-Scale Pumped Thermal Electricity Storages—Converting Energy Using Shallow Lined Rock Caverns, Carbon Dioxide and Underground Pumped-Hydro." Applied Sciences 9, no. 19 (2019): 4150. http://dx.doi.org/10.3390/app9194150.

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A fast-paced energy transition needs a higher penetration of renewables, of heating and cooling in the worldwide energy mix. With three novelties 1-of using shallow high-pressure LRC (Lined Rock Cavern) excavated close to storage needs, 2-of using a slow-moving CO2 piston applying steady pressure on the hydro part of UPHES (Underground Pumped Hydro Energy Storage) and 3-of relying on inexpensive thermal stores for long-duration storage, CO2 UPHES coupled with PTES (Pumped Thermal Electricity Storage) could become, at expected Capex cost of only 20 USD/kWh electrical, a game-changer by allowing

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Sayed, Khairy, Ahmed G. Abo-Khalil, and Ali S. Alghamdi. "Optimum Resilient Operation and Control DC Microgrid Based Electric Vehicles Charging Station Powered by Renewable Energy Sources." Energies 12, no. 22 (2019): 4240. http://dx.doi.org/10.3390/en12224240.

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This paper introduces an energy management and control method for DC microgrid supplying electric vehicles (EV) charging station. An Energy Management System (EMS) is developed to manage and control power flow from renewable energy sources to EVs through DC microgrid. An integrated approach for controlling DC microgrid based charging station powered by intermittent renewable energies. A wind turbine (WT) and solar photovoltaic (PV) arrays are integrated into the studied DC microgrid to replace energy from fossil fuel and decrease pollution from carbon emissions. Due to the intermittency of sol

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Barata, Filipe, and José Igreja. "Energy Management in Buildings with Intermittent and Limited Renewable Resources." Energies 11, no. 10 (2018): 2748. http://dx.doi.org/10.3390/en11102748.

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This work reports a contribution, in a model predictive control multi-agent systems context, introducing a novel integrative methodology to manage energy networks from the demand-side point of view, in the strong presence of intermittent energy sources, including energy storage in households or car batteries. In particular, the article presents a control-based solution for indoor comfort, which, in addition, optimizes the usage of a limited shared energy resource. The control management is applied, in a distributed way, to a set of so-called thermal control areas (TCAs) and demand units, with

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Omar, Osama Bani. "Artificial Intelligence and the Future of Renewable Energy." International Journal of Scientific Studies Publishing 26, no. 1 (2025): 1–12. https://doi.org/10.62690/ijssp2611.

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This research explores the integration of Artificial Intelligence (AI) into renewable energy systems to enhance efficiency, reliability, and scalability. As global demand for clean energy rises, renewable sources like wind and solar present challenges due to their intermittent nature and dependence on weather conditions. AI technologies, such as machine learning, predictive analytics, and intelligent automation, offer promising solutions by improving energy forecasting, managing smart grids, and optimizing operations like predictive maintenance.

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Voitekh, V. O. "RENEWABLE ENERGY SOURCES ENERGY MODULE INCREASING DC VOLTAGE CONVERTER OPERATION MODES." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2023, no. 65 (2023): 112–15. http://dx.doi.org/10.15407/publishing2023.65.112.

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The processes in the step-up DC voltage converter, as an element of the power module powered by DC voltage renewable energy sources 30 to 350 V, were studied. The main modes of operation (continuous and intermittent) were considered, as well as various options for ratios between the duration of the closing intervals of the power switch of the converter, input voltage, choke and load parameters. Graphs showing the processes in the converter are given. Ref. 3, fig. 2, tables 2. Keywords: converter, choke, core, load, renewable energy sources.

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Darlington Eze Ekechukwu and Peter Simpa. "A comprehensive review of innovative approaches in renewable energy storage." International Journal of Applied Research in Social Sciences 6, no. 6 (2024): 1133–57. http://dx.doi.org/10.51594/ijarss.v6i6.1176.

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As the world confronts the challenges of climate change and strives to transition towards sustainable energy systems, the integration of renewable energy sources into the power grid has become paramount. However, the inherently intermittent nature of renewables necessitates effective and reliable energy storage solutions to ensure a stable and resilient energy supply. This paper presents a thorough and comprehensive review of the innovative approaches undertaken in the field of renewable energy storage. The exploration begins with a detailed analysis of various renewable energy sources, includ

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Burak, Ahmed, and Demir Eldar. "Sustainable Power Solutions: Renewable Energy & Storage Advancements." Journal of Science & Technology 4, no. 6 (2024): 13–34. http://dx.doi.org/10.55662/jst.2023.4602.

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The pursuit of sustainable power solutions has become imperative in the face of global environmental challenges and the growing energy demand. This abstract explores the advancements in renewable energy and energy storage technologies, aiming to create a comprehensive understanding of their role in achieving a sustainable future. Renewable energy sources, such as solar, wind, hydro, geothermal, and biomass, have gained significant traction due to their abundance, low environmental impact, and decreasing costs. Breakthroughs in photovoltaic technology have increased solar energy efficiency, mak

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Trofimov, Leonid N., Ivan L. Trofimov, and Sergei V. Podkovalnikov. "North-east Asia interstate power grid expansion in the conditions of possible economic recession in China." E3S Web of Conferences 216 (2020): 01007. http://dx.doi.org/10.1051/e3sconf/202021601007.

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The article considers scenarios of the prospective interstate power grid (ISPG) expansion in Northeast Asia with possible economic recession in China because of COVID-19 and other factors. Features of optimization of new capacities addition of renewable energy sources in the ISPG are considered. A series of computational experiments with variations in the profiles of wind and solar power plants were carried out. The assessment of impact the intermittence of renewable energy power output on the structure of ISPG was evaluated, with taking into account of possible economic recession in China. A

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Ferro, Giulio, Michela Robba, and Roberto Sacile. "Optimal Control of Smart Distributed Power and Energy Systems." Energies 15, no. 1 (2021): 3. http://dx.doi.org/10.3390/en15010003.

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