In recent years, & other; Zhangjiakou national renewable energy demonstration area & throughout; Huailai county in order to promote the Olympic corridor of photovoltaic and wind power projects at the same time, in 2016 the righteousness and the village as a pilot installation of ground source heat pump and photovoltaic panels, realize the photovoltaic complementary advantages and ground source heat pump, remarkable environmental benefits.
at present, righteousness and fort village 265 households through the use of ground source heat pump and photovoltaic power generation, saving coal 1000 tons, household income 2000 yuan.