WEC Energy Group, Inc., also called WEC Energy, is a holding company, which engages in the generation and distribution of electricity and natural gas. It operates through the following segments: Wisconsin, Illinois, Other States, Electric Transmission, Non-Utility Energy Infrastructure and Corporate & Other. Read More The Wisconsin segment refers to the electric and gas utility operations. The Illinois segment deals with natural gas utility and non-utility activities. The Other States segment pertains to natural gas operations of the firm's subsidiaries. The Electric Transmission segment holds interests in state regulatory commissions. The Non-Utility Energy Infrastructure segment includes Wisconsin Electric Power, which owns and leases generating facilities. The Corporate and Other segment refers to the firm's administrative and holding activities. The company was founded in 1981 and is headquartered in Milwaukee, WI.