Alliant Energy (Interstate Power & Light): Outages & Reliability
We have no live outage feed for Alliant Energy (Interstate Power & Light), so its outages are not in our numbers.
Alliant Energy (Interstate Power & Light) is an electric utility serving 83 counties in Iowa and Wisconsin. Alliant Energy (Interstate Power & Light) 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.
We have no live feed for Alliant Energy (Interstate Power & Light), so its outages are not in our numbers. See our coverage →
Official reliability
US EIACounties served by Alliant Energy (Interstate Power & Light) (83)
Service territory reported to EIA-861; each links to live outage status and history.
- Adams County, IA
- Allamakee County, IA
- Appanoose County, IA
- Benton County, IA
- Boone County, IA
- Bremer County, IA
- Buchanan County, IA
- Butler County, IA
- Carroll County, IA
- Cass County, IA
- Cedar County, IA
- Cerro Gordo County, IA
- Clarke County, IA
- Clay County, IA
- Clayton County, IA
- Clinton County, IA
- Dallas County, IA
- Decatur County, IA
- Delaware County, IA
- Des Moines County, IA
- Dickinson County, IA
- Dubuque County, IA
- Floyd County, IA
- Franklin County, IA
- Grundy County, IA
- Guthrie County, IA
- Hamilton County, IA
- Hardin County, IA
- Iowa County, IA
- Jasper County, IA
- Jefferson County, IA
- Johnson County, IA
- Jones County, IA
- Kossuth County, IA
- Lee County, IA
- Linn County, IA
- Lucas County, IA
- Marshall County, IA
- Mitchell County, IA
- Monroe County, IA
- Muscatine County, IA
- Poweshiek County, IA
- Ringgold County, IA
- Scott 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
- Winneshiek County, IA
- Worth County, IA
- Adams County, WI
- Columbia County, WI
- Crawford County, WI
- Dane County, WI
- Dodge County, WI
- Fond du Lac County, WI
- Grant County, WI
- Green County, WI
- Green Lake County, WI
- Iowa County, WI
- Juneau County, WI
- Lafayette County, WI
- Langlade County, WI
- Marathon County, WI
- Marquette County, WI
- Menominee County, WI
- Monroe County, WI
- Portage County, WI
- Rock County, WI
- Sauk County, WI
- Shawano County, WI
- Sheboygan County, WI
- Walworth County, WI
- Waupaca County, WI
- Waushara County, WI
- Winnebago County, WI
- Wood County, WI
What causes Alliant Energy (Interstate Power & Light) outages
Share of outage-time by reported cause across the counties it serves (territory-wide, may include other utilities in shared counties).
Alliant Energy (Interstate Power & Light): FAQ
- How reliable is Alliant Energy (Interstate Power & Light)?
- Alliant Energy (Interstate Power & Light) 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 Alliant Energy (Interstate Power & Light) serve?
- Alliant Energy (Interstate Power & Light) serves 83 counties across Iowa and Wisconsin, per its EIA-861 service territory filing.
- Where does Alliant Energy (Interstate Power & Light) provide power?
- Alliant Energy (Interstate Power & Light) operates in Iowa, Wisconsin. 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 .