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Utility Rates & Tariffs

Utility tariffs and rate sheets for IPL (Interstate Power & Light) and WPL (Wisconsin Power & Light.)

Iowa

Iowa service territoryInterstate Power & Light - Electric Service

Interstate Power & Light - Natural Gas Service

Wisconsin

Wisconsin service territoryWisconsin Power & Light - Electric Service

Wisconsin Power & Light - Natural Gas Service
 

 
 

Minnesota

Minnesota service territoryInterstate Power & Light - Electric Service - PLEASE NOTE: Effective July 31, Alliant Energy’s natural gas customers are now served by 12 member cooperatives of the Southern Minnesota Energy Cooperative. Customers have been transitioned to their programs and service terms.

Interstate Power & Light - Natural Gas Service - PLEASE NOTE: Effective May 1, Alliant Energy’s natural gas customers are now served by Minnesota Energy Resources. Customers have been transitioned to Minnesota Energy Resources’ programs and service terms.