Wisconsin Electric Power Company operates as an electric, natural gas, and steam utility company in the United States. It operates through three segments: Electric Utility, Natural Gas Utility, and Steam Utility. The Electric Utility segment generates, distributes, and sells electric energy in southeastern, east central, and northern Wisconsin and in the Upper Peninsula of Michigan. The Natural Gas Utility segment purchases, distributes, and sells natural gas to retail customers, as well as transports customer-owned natural gas in southeastern, east central, and northern Wisconsin. The Steam Utility segment produces, distributes, and sells steam to space heating and processing customers in the Milwaukee, Wisconsin area. The company generates electricity from coal, natural gas and oil, wind, hydro, and biomass. It serves approximately 1,136,300 electric customers in Wisconsin and the Upper Peninsula of Michigan; approximately 476,000 gas customers in Wisconsin; and approximately 435 steam customers in metropolitan Milwaukee, Wisconsin. As of December 31, 2014, the company operated approximately 21,457 pole-miles of overhead distribution lines and 24,303 miles of underground distribution cable, as well as approximately 350 distribution substations and 295,461 line transformers; a gas distribution system consisting of approximately 9,740 miles of distribution mains connected at 27 gate stations; and steam systems comprising 42 miles of high pressure and low pressure steam piping, 9 miles of walkable tunnels, and other pressure regulating equipment. Wisconsin Electric Power Company, through its subsidiary, Bostco LLC, also develops and invests in real estate. The company was founded in 1896 and is headquartered in Milwaukee, Wisconsin. Wisconsin Electric Power Company operates as a subsidiary of WEC Energy Group, Inc.