See current outages near you, plus an independent restoration forecast when enough trend data exists · Iowa
Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been
Who serves Cass County?
County-wide coverage, with utility detail where available. Serving utilities tracked here include Alliant Energy, Iowa Electric Cooperatives and MidAmerican Energy, alongside the nationwide county-by-county tally. Atlantic Municipal Utilities and City of Anita also serve parts of this county — we don't yet read their own live outage maps. Multiple utilities serve parts of this area — enter a street address above for your exact provider.
Outage history — Cass County, IA
Last significant outage: Sep 29, 2026 — peaked at 368 customers, restored in ~48 min (weather alert).
Across the 2 significant outages tracked here, restoration typically ran about 45 min.
This county-level list covers larger outages (about 200+ customers at peak, lasting 30 minutes or more) — oldest listed: Jul 12, 2026. Smaller or briefer interruptions aren't listed.
Longer-term outage history — Cass County, IA
Federal outage records (
EAGLE-I, kept by the U.S. Department of Energy) show
53 notable outages (200+ customers at peak) here between 2014 and 2025.
Typical restoration ran ~
1.5 hr (median), and outages here have been most common in summer.
That is shorter than the Iowa norm in the same records, where the typical outage ran ~2 hr.
Largest on record: ~1,135 customers out in December 2021, restored after about 18 hr. The busiest year on record here was 2025.
Source: EAGLE-I (Oak Ridge National Laboratory / U.S. Department of Energy), county-level
records 2014–2025 measured by the same rules as our tracking archive above, over a far longer period than we have been tracking — the same method, a different set of outages. These are federal historical records,
not events tracked live by this site.
Communities covered
Communities in Cass County include Atlantic, Griswold, Anita, Lewis, Massena, Cumberland, Marne and Wiota. Searches and the live map cover every address in the county, named here or not.