Interstate Power and Light Co: Outages & Reliability
As of October 7, 2026 09:00 UTC, about 20 Interstate Power and Light Co customers are without power in 8 counties.
Interstate Power and Light Co is an investor owned utility serving 84 counties in Iowa. Interstate Power and Light Co did not report standardized reliability metrics to the EIA (common for smaller or short-form utilities), but its service territory and outage history are tracked below.
Official reliability
US EIACounties served by Interstate Power and Light Co (84)
Service territory reported to EIA-861; each links to live outage status and history.
- Adair County, IA
- Adams County, IA
- Allamakee County, IA
- Appanoose County, IA
- Benton County, IA
- Black Hawk County, IA
- Boone County, IA
- Bremer County, IA
- Buchanan County, IA
- Buena Vista County, IA
- Butler County, IA
- Carroll County, IA
- Cass County, IA
- Cedar County, IA
- Cerro Gordo County, IA
- Cherokee County, IA
- Chickasaw County, IA
- Clarke County, IA
- Clay County, IA
- Clayton County, IA
- Clinton County, IA
- Dallas County, IA
- Davis County, IA
- Decatur County, IA
- Delaware County, IA
- Des Moines County, IA
- Dickinson County, IA
- Dubuque County, IA
- Emmet County, IA
- Fayette County, IA
- Floyd County, IA
- Franklin County, IA
- Greene County, IA
- Grundy County, IA
- Guthrie County, IA
- Hamilton County, IA
- Hancock County, IA
- Hardin County, IA
- Henry County, IA
- Howard County, IA
- Iowa County, IA
- Jackson County, IA
- Jasper County, IA
- Jefferson County, IA
- Johnson County, IA
- Jones County, IA
- Keokuk County, IA
- Kossuth County, IA
- Lee County, IA
- Linn County, IA
- Louisa County, IA
- Lucas County, IA
- Lyon County, IA
- Madison County, IA
- Mahaska County, IA
- Marion County, IA
- Marshall County, IA
- Mitchell County, IA
- Monroe County, IA
- Montgomery County, IA
- Muscatine County, IA
- O'Brien County, IA
- Osceola County, IA
- Palo Alto County, IA
- Pocahontas County, IA
- Polk County, IA
- Poweshiek County, IA
- Ringgold County, IA
- Scott County, IA
- Sioux County, IA
- Story County, IA
- Tama County, IA
- Taylor County, IA
- Union County, IA
- Van Buren County, IA
- Wapello County, IA
- Warren County, IA
- Washington County, IA
- Wayne County, IA
- Webster County, IA
- Winnebago County, IA
- Winneshiek County, IA
- Worth County, IA
- Wright County, IA
What causes Interstate Power and Light Co outages
Share of outage-time by reported cause across the counties it serves (territory-wide, may include other utilities in shared counties).
Interstate Power and Light Co: FAQ
- How reliable is Interstate Power and Light Co?
- Interstate Power and Light Co did not report standardized SAIDI/SAIFI reliability metrics to the EIA. Outage history for the counties it serves is available on their individual pages.
- How many customers does Interstate Power and Light Co serve?
- Interstate Power and Light Co serves 84 counties across Iowa, per its EIA-861 service territory filing.
- Where does Interstate Power and Light Co provide power?
- Interstate Power and Light Co operates in Iowa. The full list of counties served is below, each linked to its live outage status.
Reliability metrics (SAIDI/SAIFI) and service territory from the US EIA Form 861. SAIDI/SAIFI are IEEE-standard, including major event days. Primary state: Iowa.
Data from EIA Form 861 (utility reliability) and DOE/ORNL ODIN, every source we read. Live data as of .