Research on Coupled Cooperative Operation of Medium- and Long-Term and Spot Electricity Transaction for Multi-Energy System: A Case Study in China

Kaiyan Wang, Xueyan Wang (), Rong Jia, Jian Dang, Yan Liang and Haodong Du
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Kaiyan Wang: College of Electrical Engineering, Xi’an University of Technology, Xi’an 710048, China
Xueyan Wang: College of Electrical Engineering, Xi’an University of Technology, Xi’an 710048, China
Rong Jia: College of Electrical Engineering, Xi’an University of Technology, Xi’an 710048, China
Jian Dang: College of Electrical Engineering, Xi’an University of Technology, Xi’an 710048, China
Yan Liang: College of Electrical Engineering, Xi’an University of Technology, Xi’an 710048, China
Haodong Du: College of Electrical Engineering, Xi’an University of Technology, Xi’an 710048, China

Sustainability, 2022, vol. 14, issue 17, 1-20

Abstract: Due to the intermittent and anti-peak shaving characteristics of the new energy generator sets, the phenomenon of power abandonment hinders direct participation in the electricity market transactions. The hybrid electricity market can use spot market transactions to absorb renewable energy to a large extent. The multi-energy complementary operation coupling of the hybrid electricity market transactions can exploit the complementation and substitution between different energy sources, realize flexible energy production, consumption, storage, and transmission, and optimize the allocation of resources on a larger scale. In this paper, a mid-long-term spot transaction coordination scheduling (MTCS) model for a multi-energy system is constructed by considering the medium- and long-term electricity market uncertainty and the trial operation characteristics of the spot power market in China. A two-stage solution method is introduced to solve the complex multi-agent, multi-period, and multi-energy model. The results of testing this model on the Gansu region, one of the first eight spot pilot areas in China, are presented and discussed in detail. The results showed that this MTCS model could reduce the opening of thermal power units to a more considerable extent, prioritize the consumption of new energy power generation, and reduce the output uncertainty of new energy through the hybrid power market.

Keywords: electricity spot market; medium- and long-term transaction; renewable energy; multi-energy complementary system; coupled cooperative operation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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