发电侧电力市场结算方法比较研究

Comparison of Settlement Methods in Deregulated Power Generation Market

运用博弈论中的一级密封价格拍卖原理,构建了发电商在竞价上网中按市场边际出清价结算和按机组实际申报价格结算两种不同结算方式下的最优策略博弈模型,从而得到不同的最优报价策略,随后比较了在两种不同报价策略下市场交易的社会总剩余(福利)的变化。分析结果表明在按机组实际报价的结算方式下会导致社会福利的净损失。

Different strategies of generation companies under different settlements are introduced. Based on the principle of firstprice sealed auction, the optimal game models of bidding strategy in deregulated generation power market under two different conditions, the settlement method of market clearing price (MCP) and the settlement method of payasbid are presented respectively. The variation of social surplus (welfare) is compared under the two different conditions of bidding strategies. It is indicated that the settlement method of payasbid adopted will result in the dead weight loss of society welfare.