WEC Energy Group, Inc., through its subsidiaries, provides regulated natural gas and electricity, and nonregulated renewable energy services in the United States. The company operates through six segments: Wisconsin, Illinois, Other States, Electric Transmission, Non-Utility Energy Infrastructure, and Corporate and Other. It generates and distributes electricity from coal, natural gas, oil, hydroelectric, wind, and biomass sources; provides electricity transmission services; offers retail natural gas distribution services; transports customer-owned natural gas; and generates, distributes, and sells steam. The company offers electricity to approximately 1.6 million residential, small and large commercial and industrial, and other customers; and natural gas to 2.8 million residential, and commercial and industrial customers. As of December 31, 2017, it operated approximately 37,100 miles of overhead distribution lines and 32,500 miles of underground distribution cable, as well as approximately 500 distribution substations and 495,500 line transformers; and approximately 47,900 miles of natural gas distribution mains, as well as 1,200 miles of natural gas transmission mains. In addition, WEC Energy Group, Inc. invests in and develops real estate properties, including business parks and other commercial real estate projects primarily in southeastern Wisconsin. The company was formerly known as Wisconsin Energy Corporation and changed its name to WEC Energy Group, Inc. in June 2015. WEC Energy Group, Inc. was founded in 1981 and is headquartered in Milwaukee, Wisconsin.
