The principal activities of the Group at present are the development, construction, owning and management of clean energy power plants in Mainland China, including but not limited to wind power generation, hydropower generation, natural gas power generation, photovoltaic power generation, wasteto-energy power generation and other clean energy power generation projects. As of 31 December 2017, the number of power generation plants owned or controlled by the Group has reached 41, which are scattered in 23 provinces, including Guangdong, Fujian, Gansu, Jiangsu and Chongqing, etc., and the electricity generated therefrom is sold to Southern Power Grid, East China Power Grid, Northeast Power Grid and Northwest Power Grid.