Department of Electrical Engineering , Tsinghua University, Beijing 100084, China
On August 14th and 15th, 2020, the power system experienced two consecutive days’ load shedding in the accident of electricity restriction in California, USA. On the basis of comprehensively considering the high-penetration renewable energy and the unique market mechanism design of the California Electric Power System, this paper analyzes two topics which are the causes of the process of electricity restriction in California and the role of regional market mechanism in the electricity restriction. Based on this, firstly, combined with actual market operation data, this paper mainly focuses on the quantitative analysis of the influence of two aspects: renewable energy with net load and imported electricity in the accident of electricity restriction in California, USA. Secondly, focusing on the regional power trading mechanism that is being promoted in California and its surrounding areas, an in-depth analysis of the operation mode and implementation logic of the mechanism of western energy imbalanced market (WEIM) is carried out. The impact of the mechanism of WEIM on the accident of electricity restriction is analyzed and evaluated. Finally, after summarizing and discussing the experience and lessons of the accident of electricity restriction, and combining with the conditions and progress of Chinese power market construction, relative suggestions are made for the future regional collaboration, mechanism coordination and construction path of Chinese electricity market.
LI Kexin, GUO Hongye, CHEN Qixin. Viewing Integration and Collaboration of Electricity Market from Accident of Electricity Restriction in California and Mechanism of Western Energy Imbalance Market in USA[J/OL]. Automation of Electric Power Systems, http://doi. org/10.7500/AEPS20201104002.