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A More Renewable-Friendly Electrical Grid: Thermal Storage Refrigeration for demand response in California and Denmark

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Smart Grid and Renewable Energy 2012年第4期3卷 316-323页

作者： Kurt Kornbluth John Cook Paul Erickson Agriculture and Resource Economics University of California Davis USA Department of Mechanical Engineering University of California Davis USA Program for International Energy Technologies University of California Davis USA

Energy storage technologies, which enable demand response, are being explored throughout the world as a component of strategies for switching to renewable intermittent energy sources and reducing peak loads. This study examines thermal storage refrigeration (TSR) technology as a case study for the potential value of demand response in California and Denmark. Using technical specifications from a TSR prototype developed at UC Davis and market data from California and Denmark, the analysis examines possible business models for the TSR refrigerators and highlights market characteristics that are important to its adoption. Results suggest that the TSR technology is not a viable option in the current market environment in Denmark, but could payback in less than 6 years in California if a part of a demand response based virtual power plant. In a hypothetical future scenario involving real-time pricing in the retail market, a high degree of price volatility would be needed to make TSR technology appealing to residential consumers. Based on this analysis, an interesting area of future work would focus on the market potential of TSR technology for commercial and industrial applications.

关键词： Refrigeration demand-response Thermal Storage Wind Energy California Denmark Electricity Grid

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Assessment of the carbon emissions reduction potential in Thailand’s power sector with high penetration of variable renewable energy sources and electric vehicles in the year 2030

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Clean Energy 2023年第6期7卷 1391-1401页

作者： Niphit Phothisourinh Jai Govind Singh Department of Energy Environment and Climate ChangeSchool of EnvironmentResources and DevelopmentAsian Institute of TechnologyPathum ThaniThailand

The power sector has substantial carbon emissions reduction potential that could achieve the new nationally determined contribution target in 2030 by increasing low-carbon technologies,*** renewable energy sources and electric vehicles(EVs).Therefore,two approaches were suggested in this *** the first approach,Thailand’s power sector was modelled by using PLEXOS software to find the impact of the high penetration of variable renewable energy(RE)and EV charging load for the projected year *** second approach proposed a demand-response and energy storage system solution with carbon pricing in the model to assess the *** a result,the electricity demand from charging EVs will cause a new peak demand at night,while the high variable RE penetration will cause curtailment in the power system due to excess supply at ***,Thailand’s power sector has the potential for carbon emissions reduction by 45%with clean energy technologies,which could increase to 68%with carbon pricing,easily achievable by the nationally determined contribution target in ***,these benefits could only be derived if various entities involved in the energy regulatory,transport and power sectors coordinate to implement the required technological and financial policies.

关键词： Thailand power sector CO_(2)reduction carbon neutrality low-carbon technologies PLEXOS carbon pricing demand-response electric vehicles

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Energy Flexibility in the Power System： Challenges and Opportunites in Philippines

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Journal of Energy and Power Engineering 2017年第9期11卷 597-604页

作者： Joy Dalmacio Billanes Zheng Ma Bo Norregaard Jorgensen Center for Energy Informatics Mcersk Mc-Kinney Moller Institute University of Southern Denmark Campusvej 55 Odense M 5230 Denmark

Energy flexibility can address the challenges of large scale integration of renewable energy resources and thereby increasing imbalance in the power system. Flexible power system can provide reliable supply, low electricity cost and sustainability. Various situations and factors influence the adoption of the flexibility solutions, such as flexible electricity generation, demand-response, and electricity storage. This paper tries to analyze the current energy flexibility solutions and the factors that can influence the energy flexibility adoption. This paper takes Philippines as case study to provide an overview of the current condition of the Philippines＇ power system and discuss the energy flexibility in the Philippines＇ power system. A further discussion and recommendation is conducted in the end of the paper.

关键词： Energy flexibility demand-response Philippines power system renewable generation.

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