Question: What type of Energy do SunEdison Inc, a company that built an array of photovoltaic panels on a Davidson County farm in North Carolina, specialise in?
Sentence (from "SunEdison"): 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. Originally a silicon-wafer manufacturer established in 1959 as the Monsanto Electronic Materials Company, a former business unit of Monsanto Company, Monsanto sold the company in 1989.
Relevant evidence: No