According to the national energy group 2018 annual report, solar building case by the end of 2018, the solar power grid, new energy company installed a total of 39. 69 million kw, but mainly wind power, photovoltaic power station operational specification of 38. 29 million kilowatts. According to the huaneng group sustainable development report, solar power grid, by the end of 2018, the solar energy portal, photovoltaic company installed a total of 3. 18 million kw, solar panels, solar energy, solar panels how much is a set of heating system accounted for 5%, the heating system seven photovoltaic power station was named 5 a-class photovoltaic power station.