Optimal Coordination of Energy Coupling System Considering Uncertainty of Renewable Energy Sources

Yeong-Geon Son, Sung-Yul Kim () and In-Su Bae ()
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Yeong-Geon Son: Department of Electronic and Electrical Engineering, Keimyung University, 1095 Dalgubeol-daero, Daegu 42601, Republic of Korea
Sung-Yul Kim: Department of Electrical Energy Engineering, Keimyung University, 1095 Dalgubeol-daero, Daegu 42601, Republic of Korea
In-Su Bae: Department of Electrical Control and Measurement Engineering, Kangwon National University, Chuncheon-si 24341, Republic of Korea

Energies, 2024, vol. 17, issue 4, 1-17

Abstract: To advance carbon neutrality policies, many countries are increasingly integrating Renewable Energy Sources (RESs) into their energy mix. However, for harnessing natural energy in power generation, RESs present challenges in output control, potentially leading to power imbalances. Such imbalances, when coupled with an excessive reliance on unpredictable RES, may necessitate the curtailment of grid-integrated renewable generation, halting production despite available capacity. This paper proposes strategies to mitigate the economic and operational efficiency impacts of increased RESs on the power grid. It focuses on the optimal operation of Battery Energy Storage Systems (BESSs) and Power to Gas (P2G) technology, which flexibly converts surplus electricity into hydrogen. By employing Mixed Integer Linear Programming (MILP) for optimization and Stochastic Programming (SP) for the management of the uncertainty of renewable energy output, this paper evaluates the anticipated benefits of BESS and P2G applications.

Keywords: energy coupling system; Power to Gas; battery energy storage system; Renewable Energy Sources; operational efficiency; hydrogen; power imbalance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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