ZHANG Xinqi,LIU Zhihai,CHEN Xiaochen,et al.Trading strategy of energy storage in electric energy and frequency regulation markets based on multi-agent reinforcement learning[J].Electric Power Automation Equipment,2026,46(04):139-148.
ZHANG Xinqi,LIU Zhihai,CHEN Xiaochen,et al.Trading strategy of energy storage in electric energy and frequency regulation markets based on multi-agent reinforcement learning[J].Electric Power Automation Equipment,2026,46(04):139-148. DOI: 10.16081/j.epae.202603013.
Trading strategy of energy storage in electric energy and frequency regulation markets based on multi-agent reinforcement learning
To enhance the market competitiveness of independent energy storage in the new power system,a joint trading strategy for participating in electric energy and frequency regulation ancillary service markets based on multi-agent reinforcement learning is proposed. According to the rules of the Southern Regional Electricity Market,a joint clearing model including thermal power,new energy and independent energy storage is constructed. Under a Markov game framework,each power generation entity is modeled as an agent,and a multi-agent reinforcement learning algorithm is adopted to achieve strategic bidding optimization under conditions of incomplete information. To depict the cross-period coupling characteristics between energy sto-rage and system operation,a modeling method of multi-dimensional state and action space is designed to achieve multi-period collaborative optimization. The simulative results of IEEE 30-bus system show that the proposed algorithm can increase the total revenue of the agents by 18.8 % compared with the single-agent algorithm. Further analysis results indicate that as the number of units engaging in strategic bidding increa-ses,the overall revenue of each market entity exhibits an upward trend. The research results verify the effectiveness of the proposed multi-agent reinforcement learning framework in enhancing the revenue of energy storage in the markets and optimizing the overall operational efficiency of the system.
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