Photovoltaic power generation is a clean energy utilization method strongly supported by the state. It is included in the 13th Five-Year Plan, and photovoltaic-related projects are also one of the 100 key projects of the "13th Five-Year Plan". For distributed photovoltaic power generation, the country provides a subsidy of 0.42 yuan, which means that for each kilowatt-hour of photovoltaic power generation, users can get a subsidy of 0.42 yuan from the state. This subsidy lasts for 20 years. If you choose to use the electricity generated by household photovoltaic power stations , all sold to the State Grid, and can enjoy a subsidy of up to 0.9 yuan/kWh.