Alliant Energy

  • Utilities
4902 N Biltmore Lane
Madison, WI 53718
1-800-ALLIANT
(800) 255-4268
Alliant Energy

  • About

    At Alliant Energy, our purpose is to serve customers and build strong communities. We are focused on powering beyond the market challenges of today, while powering what’s next in energy.

    We provide energy solutions to more than 1.4 million customers in Iowa and Wisconsin. The corporate headquarters is in Madison, Wisconsin.