If you are vision-impaired or have some other disability under the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to shopping or ordering on or using the benefits of our website, please contact Alliant Energy at 1-800-ALLIANT (800-255-4268).
Emergency? Call 1-800-ALLIANT (800-255-4268)

Rate Cases

Learn about Alliant Energy's utility rates and rate requests, and download official filing documents.

Iowa Rate Cases
Rate cases filed by Interstate Power and Light (IPL) with the Iowa Utilities Board (IUB.)

Wisconsin Rate Cases
Rate cases filed by Wisconsin Power and Light (WPL) with the Public Service Commission of Wisconsin (PSCW.)

If you are vision-impaired or have some other disability under the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to shopping or ordering on or using the benefits of our website, please contact Alliant Energy at 1-800-ALLIANT (800-255-4268).