Our Services: 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 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.

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.

View United States map detailing Alliant Energy’s service area

Alliant Energy at a glance

• Headquartered in Madison, Wis.

• Nearly 5,000 employees across the country and abroad.

• Operating revenues of $3.2 billion (year-end 2005).

• Total assets of more than $7.7 billion (year-end 2005).

• 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

System reliability

Reliable electricity is the lifeblood of the economy. That’s why Alliant Energy is investing more than $2 billion to upgrade the electric infrastructure in our service territory.

We’ve also begun adding new generation sources throughout the territory to ensure supply will always meet demand.

Corporate innovation

Alliant Energy is committed to providing energy and environmental solutions for our customers.

An example is our WindConnect division, which takes advantage of the growing demand and popularity of renewable energy. WindConnect uses the utility’s energy expertise to ensure reliable connection of wind turbines throughout the country to the electric grid.

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