Abstract:Power load often changes with time fluctuate, along with the development of the market of electric power system, power generation side formed bidding transaction mechanism, and user side by fixing the price of electricity in the non market operation, so the system load peak and valley changes caused by electricity price fluctuation caused by certain power grid enterprise's profit decreased and even lead to loss, caused by power grid enterprises alone to face huge market risks. So it is very necessary to set up the electricity pricing strategy at the same time in the user side and power generation side. This paper introduces the power user's time sharing price strategy, and analyzes the effect of the time sharing price strategy on the system.