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 As of December 31 2021 IPL supplied electric and natural gas service to approximately 500000 and 225000 retail customers respectively and WPL supplied electric and natural gas service to approximately 485000 and 200000 retail customers respectively It serves retail customers in the farming agriculture industrial manufacturing chemical and packaging and food industries In addition the company owns and operates a shortline rail freight service in Iowa a barge rail and truck freight terminal on the Mississippi River and a railserved warehouse in Iowa as well as offers freight brokerage services Further it holds interests in a 347 megawatt MW natural gasfired electric generating unit near Sheboygan Falls Wisconsin and a 225 MW wind farm located in Oklahoma The company was incorporated in 1981 and is headquartered in Madison Wisconsin