Optimal Configuration and Economic Analysis of User-Side Energy Storage Participating in Auxiliary Services

doi:10.11930/j.issn.1004-9649.202103054

Abstract

Abstract: In order to maximize the benefits of user-side energy storage, a user-side energy storage optimization allocation method is proposed to participate in the auxiliary service market. First, a life-cycle cost model of user-side energy storage and a benefit model considering ancillary services are established. Secondly, under the two-part electricity price system, based on the consideration of the operating characteristics of energy storage batteries and user load characteristics, a user-side energy storage optimization configuration model is established to participate in auxiliary services. The energy storage capacity and auxiliary service parameters are taken as optimization variables to optimize the net income of industrial users during the whole life cycle. Then, taking the energy storage auxiliary service market in Guangxi as an example, the optimization of configuration under the optimal user-side energy storage capacity is realized, and the variable values involved in the auxiliary service are determined. Finally, the economic benefits of different auxiliary services are compared and analyzed by changing the policy sensitivity, which provides guidance for future energy storage investment.

Key words: user-side energy storage, auxiliary service, demand management, demand response, emergency power supply, life cycle

SHANG Boyang, XU Yin, WANG Ying, ZHANG Jingping. Optimal Configuration and Economic Analysis of User-Side Energy Storage Participating in Auxiliary Services[J]. Electric Power, 2023, 56(2): 164-170,178.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202103054

https://www.electricpower.com.cn/EN/Y2023/V56/I2/164

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