Alliant Energy Corporation is a regulated, investor-owned public utility holding company providing regulated electric and natural gas service to approximately 1 million electric and 400,000 natural gas customers in the states of Iowa, Wisconsin and Minnesota.
Providing its customers in the Midwest with regulated electricity and natural gas service is the company's primary focus.
Alliant Energy, headquartered in Madison, Wis., is a Fortune 1000 company traded on the New York Stock Exchange under the symbol “LNT.”