Energy Block Pool-Based Two-Stage Clearing Model for Electricity Spot Market

In order to satisfy the diverse transaction demands of multiple energy resources and players, and to improve the operational efficiency of the temporal bidding-based electricity spot market, it is urgent to design clearing mechanisms for the electricity spot market that take into account diversification, standardization and flexibility. To solve this problem, in this paper, the clearing models for energy block pool-based electricity spot market are established. First, four types of energy blocks are introduced, and their mathematical models are established according to their physical-economic characteristics. Next, the concept of energy block pool is proposed, and the day-ahead and real-time clearing model of energy block pool-based electricity spot market is established. Moreover, the cost-benefit settlement methods of different energy blocks are given. Finally, the numerical simulations are carried out in the IEEE-9 bus system with fourteen energy blocks. It shows that the established two-stage clearing model is effective. The differentiated characteristics and transaction demands of the four types of energy blocks can be satisfied.