By using the relationship between the operating costs and capacity factor of the generating units，a smart agent based trans-provincial centralized trade platform simulation model is constructed，in which only part of the power is involved in competition and the remaining power is scheduled by the non-market-oriented method.By comparing the actual operation of the market data and simulation results，the model presented is proved to be correct.Through an analysis of model results，the paper further reveals the path of the market to achieve the win-win situation.Generation companies improve the average capacity factor through selling their power in the market，which makes generatorscost drop，per generating profit raise，and the transaction price lower than the non-market purchase of electricity.Moreover，efficient generating units win more generating contracts through market competition than non-market purchase，which can reduce the level of energy consumption per unit of power.