Optimal trading strategies for multi-energy microgrid cluster considering demand response under different trading modes: A comparison study

Qiong Wu, Zhun Xie, Hongbo Ren, Qifen Li and Yongwen Yang

Energy, 2022, vol. 254, issue PC

Abstract: The linkage of neighboring multi-energy microgrids may overcome the disadvantage of one single microgrid since the surplus/deficient energy can meet internal balance and realize self-satisfaction. In order to realize successful cooperation of such a complicated energy system, optimal trading strategy and reasonable trading price among all entities are important. In this study, a bi-level optimization model combined of two trading modes is proposed under different scenarios: an intermediary agent-based trading mode where the intermediary agent acts as an intermediate operator, as well as a direct trading mode without intermediary agent. The Stackelberg game theory-based method and the supply/demand ratio method are used for price determination, respectively. In addition, the integrated demand response is also considered in this study. As an illustrative example, a comparative study is implemented in a neighboring energy cluster combing three park-level multi-energy microgrids. The results show that, compared with the situation that each multi-energy microgrid acts alone, a cluster obviously increases total benefits, which may contribute to the development of tailored policy instruments. In addition, although direct trading among multi-energy microgrids enjoys higher benefits, its self-sufficient ability is lower than the situation considering intermediary agent, which may help policymakers to predict the merits and demerits associated with different energy trading modes among multi-energy microgrids in a more accurate way.

Keywords: Multi-energy microgrid; Trading strategy; Supply/demand ratio; Stackelberg game theory; Integrated demand response; Intermediary agent (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:254:y:2022:i:pc:s0360544222013512

DOI: 10.1016/j.energy.2022.124448

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