Customer Service
Rates information
Rate and tariff information for Alliant Energy’s electric and natural gas service.
Iowa
Learn about recent changes to natural gas and electric rates. Also, see information about the Regional Transmission Service and Energy Cost line item on Iowa electric bills.Wisconsin
Rate review information
Wisconsin customers of Alliant Energy will see no increase to base electric and natural gas rates through 2020.
Wisconsin Commercial Gas Transportation flier
Gas transportation form: Please contact our Business Resource Center.