Iowa electric interruptible customers:
Last updated Monday, September 28, 2026, at 3:00 p.m.
Current program status: systems normal
The current program status is normal, based on weather and system conditions. If a warning or interruption occurs, we’ll update this message immediately with specific information.
Required scheduled test: Alliant Energy has issued a required test interrupt for all Iowa and Wisconsin electric interruptible customers. All participating customers must reduce load to their contracted firm service level by 3:00 PM on Tuesday, October 20, 2026. This event will end at 4:00 PM on Tuesday, October 20, 2026. The buy-through option is not available for this event. All electric interruptible customers are required to participate.
Iowa natural gas interruptible customers:
Last updated Monday, January 26, 2026, at 9:00 a.m.
Current program status: systems normal
The current program status is systems normal, based on the weather and system conditions. If a warning or interrupt occurs, this message will be updated immediately with specific information.