Emergency? Call 1-800-ALLIANT (800-255-4268)

About Alliant Energy

Alliant Energy Corporation (NYSE: LNT) is an energy holding company with regulated utility providers as well as non-regulated companies delivering energy-related products and services.

Alliant Energy's utility operations serve more than 1.4 million customers in Iowa, Minnesota and Wisconsin. Our service territory covers 69,000 square miles in the heartland of America and includes 9,700 miles of electric transmission lines and 8,000 miles of natural gas main. We maintain a strong fleet of fossil fuel, nuclear and renewable generating facilities across the upper Midwest, generating more than 31 million megawatt hours of electricity each year.

Alliant Energy at a glance

  • Headquartered in Madison, Wis.
  • Nearly 5,000 employees across the country.
  • Operating revenues of $3.4 billion (year-end 2009).
  • Total assets of more than $9 billion (year-end 2009).
  • Traded on the New York Stock Exchange under the ticker LNT.

Learn more about our utility operations

Learn more about our non-utility businesses

Find more Alliant Energy Web sites

Alliant Energy's service territorySystem reliability

Reliable electricity is the lifeblood of the economy, and Alliant Energy is proud to have one of the best reliability records in the utility industry. Our role is to be there when you need us - no matter what - and we take that responsibility very seriously.

Learn more about our comprehensive reliability plans.

Commitment to communities

Alliant Energy is proud to support the communities we serve just as vigorously as we do our customers. We provide assistance to our communities, demonstrating our commitment to their economic health and well-being.

By combining resources, we help ensure the communities are places in which organizations will want to live and work. Alliant Energy's utility service territory

Alliant Energy's utility service area


Alliant Energy's service territory