Beijing, April 18 (Youth.cn) - Photo shows main structure of CGNPC’s 200-megawatt solar thermal energy storage power generation project in Delingha City in Haixi Mongol and Tibetan Autonomous Prefecture in Qinghai Province. It is the largest solar thermal project in China in term of single structure. The toal installed capacity of the project is 1,000 megawatts. It uses a 200-megawatt solar thermal steam turbine for the first time. After the project put into operation, it can provide 1.8 billion kWh of green electricity annually. Photo/CFP