Research On Market Power Risk In Region Power Grid And The Restraint Method Of Market Force

The market power is a research task increasingly attended in electricity market reform. The entities of taking part in market competition can usually carry out their market power to manipulate generation market. Based on the developing of national region power market and the market force situation of international region power market, this paper expounds the cause, the realization, the form, the indices, the mitigation, the regulation of market power , at the same time, analyzes the market force risk and its influence. Then the paper analyzes the market power in demand side, gets the conclusion that the monopsony power exist in single-buyer model and the prime method to restrain market force is increase the price elasticity of demand.