There are two main types of incentive policies for China’s photovoltaic power generation incentive policies, initial investment subsidy policy and fixed feed-in tariff policy. The initial investment subsidy policy is mainly applicable to small and medium-sized photovoltaic power generation systems, such as solar photovoltaic building demonstration projects (referred to as “solar roof plan”); The approval policy for the electricity price of the project (that is, to differentiate the specific project price of electricity).