SunEdison, is a renewable energy company headquartered in the U.S. In addition to developing, building, owning, and operating solar power plants and wind energy plants, it also manufactures high purity polysilicon, monocrystalline silicon ingots, silicon wafers, solar modules, solar energy systems, and solar module racking systems. The company manufactures solar technology and develops, finances, installs, owns and operates wind and solar power plants — delivering predictably priced electricity to its residential, commercial, government, and utility customers.