Alliant Energy Corporation

Alliant Energy Corporation operates as a utility holding company that provides regulated electricity and natural gas services. It operates through three segments: Utility Electric Operations Utility Gas Operations and Utility Other. The company through its subsidiary Interstate Power and Light Company (IPL) primarily generates and distributes electricity and distributes and transports natural gas to retail customers in Iowa; sells electricity to wholesale customers in Minnesota Illinois and Iowa; and generates and distributes steam in Cedar Rapids Iowa. Alliant Energy Corporation through its other subsidiary Wisconsin Power and Light Company (WPL) generates and distributes electricity and distributes and transports natural gas to retail customers in Wisconsin; and sells electricity to wholesale customers in Wisconsin. It serves retail customers in the farming agriculture industrial manufacturing chemical and packaging and food industries. In addition the company owns and operates a short-line rail freight service in Iowa; a barge rail and truck freight terminal on the Mississippi River; and a rail-served warehouse in Iowa as well as offers freight brokerage services. Further it holds interests in a natural gas-fired electric generating unit near Sheboygan Falls Wisconsin; and a wind farm located in Oklahoma. Alliant Energy Corporation was incorporated in 1981 and is headquartered in Madison Wisconsin.