The utility model provides a solar energy power generation system, including high temperature steam pipeline, send out the magnetron way, evaporimeter, storage water tank and product water tank, the evaporimeter is including being used for closed pond or knot to establish the cover body in the pond top, and the cover body adopts one -way printing opacity material, produce water tank and tank connection, produce the water tank setting and in the top of storage water tank, be provided with condensation device in producing the water tank, high temperature steam pipeline's lower extreme is used for setting up the below at the cover body, and in the pond liquid level top of coolant liquid, the upper end sets up in producing the water tank, send out the upper end connection storage water tank that magnetron said, and it says and is provided with hydroelectric generator to send out magnetron. The utility model provides a technical scheme directly utilizes the coolant liquid of solar energy into the evaporimeter to heat, need not set up other equipment, so cost that can the lowering system.