Research on Economic Allocation of User-Side Energy Storage Capacity Based on Risk-Benefit Analysis

doi:10.11930/j.issn.1004-9649.202007136

Abstract

Abstract: In view of the optimal configuration of user-side energy storage (ES) capacity, by taking full account of the application markets that ES may participate and gain profits from as well as the potential risks that may be incurred, a two-stage optimal economic configuration model of ES based on portfolio theory was established. In the first stage, the optimization of the benefit and risk with ES applications are set as objective, and by taking advantage of the portfolio theory the optimal capacity allocation during each time period of ES is determined in different markets. In the second stage, the maximization of net profit of ES is taken as objective, which was calculated in terms of the full life cycle cost and operating benefit throughout the actual operating life cycle of ES. The comparison and analysis results of various scenarios show that the proposed model has effectively reduced the risks encountered in ES applications while ensuring the benefit of economic energy storage configuration. Hence it can provide certain reference for the optimal economic capacity configuration and operation for user-side ES.

Key words: energy storage, economic capacity optimization, life cycle cost, risk and benefit evaluation, portfolio theory, user side

ZHOU Lili, XIANG Yue, CHEN Lingtian. Research on Economic Allocation of User-Side Energy Storage Capacity Based on Risk-Benefit Analysis[J]. Electric Power, 2021, 54(9): 187-197.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202007136

https://www.electricpower.com.cn/EN/Y2021/V54/I9/187

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