Interval Coalition Game-Based Peer-to-Peer Energy Trading Method for Multi-microgrids

Abstract

Multi-microgrids (MMGs) are derived from microgrids (MGs) penetration into the distribution networks. To promote the local consumption of renewable energy and reduce the power transmission losses of distribution networks, an interval coalition game-based peer-to-peer energy trading method for MMGs is proposed in this paper. First, an interval optimization-based many-to-one sealed bid auction mechanism is designed to determine the coalition for MGs and alleviate the impacts of uncertainties in peer-to-peer energy trading processes. Second, the interval Shapley value method is applied to fairly allocate the utility of each MG in the corresponding coalition. Finally, compared with the traditional transaction methods, simulation results verify the feasibility and effectiveness of the proposed method.