With rapid development of renewable energy, especially wind and solar energy, long distance transmission will be the fundamental way for new energy consumption because of the insufficient consumptive ability of local grid. This paper proposed a wind-solar-thermal hybrid system long distance consumption by ultra-high voltage (UHV) transmission lines, which not only make full use of the complementary nature of wind and solar energy in time and region, but also take advantage of good stability of thermal power plant to improve system reliability. A bilevel optimization based on non-cooperative game method was utilized to maximize profit of power plants by changing bidding strategies, where power plants in the transmitting end system are at the upper level and receiving end system are at the lower level. Besides, cost model considering with wheeling cost, carbon emissions cost and government subsidies was presented. Finally, several simulations were implemented and used to verify the feasibility of the non-cooperative game based bilevel optimization method.
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