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About Us

Alliant Energy is a growing energy-service provider with operations both domestically and internationally. Headquartered in Madison, Wis., Alliant Energy provides electric, natural gas, water and steam services to more than two million customers worldwide.

Through our three subsidiaries, Alliant Energy's utility operations serve more than 1.2
million customers in Iowa, Illinois, 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.

This Web site was originally developed in partnership with the Electrical Power Research Institute, a trade organization staffed by scientists and engineers dedicated to solving the world's energy problems.

 
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