Design of Clearing Mechanism Based on Self-scheduling in The Day-ahead Market

Abstract

After the "No. 9 Document" and its supporting documents were issued, Yunnan Trading Center has built a relatively mature and stable operation of the medium and long-term electricity market. On the basis of the existing medium and long-term market, constructing a reasonable spot market mechanism is the focus of the next step in the reform of the Yunnan electricity market. Based on the research of the self-scheduling mechanism in PJM market and combining the bidding characteristics of hydropower, this paper proposes a self-scheduling market clearing mechanism based on self-scheduling, constructs the corresponding market clearing model and simulates the clearing process. The analysis of the example shows that the mechanism is suitable for the characteristics of Yunnan hydropower bidding, which is conducive to the smooth transition of the existing medium and long-term electricity market in Yunnan to the spot market.