Alliant Energy

Mailing Address

PO Box 260, Decorah, IA 52101


Tony Vondra


1.800.255.4268 (24 hour Customer Service)
877.740.5050 (24 hour Outage Reporting)


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Alliant Energy Corporation is a regulated, investor-owned public utility holding company providing regulated electric and natural gas service to over 1 million electric and 400,000 natural gas customers in the states of Iowa, Wisconsin and Minnesota.

Alliant Energy’s utility operations serve more than 1.4 million customers in Iowa, Minnesota and Wisconsin. Our service territory covers 54,000 square miles in the heartland of America and includes 9,700 miles of electric transmission lines and 8,000 miles of natural gas main.

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.”

Alliant Energy Community Development program

Alliant Energy through economic and community development serves industry by locating the best buildings and sites for development or expansion in Iowa, Wisconsin and Minnesota. We also partner with the communities we serve to encourage growth in their town.

Alliant Energy is a proud member of the Cresco Area Chamber of Commerce and accepts Cresco Chamber Dollars.