The use of clean energy has seen some rapid development in the city of Datong, Shanxi province in recent years, especially in Yanggao county, which has a number of clean energy projects, including nine in wind power, four in photovoltaic power, one in low calorific coal, one geothermal power, and one in biomass energy and garbage, Datong Daily has reported, explaining that these have a combined production capacity of about 2 million kW.