When will the power be back in Johnson County, IA?
See current outages near you, plus an independent restoration forecast when enough trend data exists · Iowa
No significant county-wide outage reported in Johnson County, IA right now.
⚠️ Flood Warning in effect for this area — conditions that can cause outages. This page updates about every 15 minutes.
Lights out where you are? Very small or brand-new outages can take a few minutes to reach county-level data — check your exact address on the live map, and see what to check before you report it.
🔔 Get a free alert if an outage is detected here — one tap in your browser, no signup.
Elsewhere in Iowa: 163 customers reported out — statewide status.
Updated 4:16 AM CDT.
⚡ No power in Johnson, IA? We'll notify you when the outage we're tracking looks mostly restored.
An alert when an outage is detected here, another once a dependable restoration estimate is ready, and an all-clear when the outage we're tracking looks substantially restored (~90% of customers back). No email, no account — anonymous usage stats only.
Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been
Who serves Johnson County?
County-wide coverage, with utility detail where available. Serving utilities tracked here include MidAmerican Energy, Alliant Energy, Iowa Electric Cooperatives and Eastern Iowa Light & Power Cooperative, alongside the nationwide county-by-county tally. Multiple utilities serve parts of this area — enter a street address above for your exact provider.
Outage history — Johnson County, IA
Last significant outage: Sep 24, 2026 — peaked at 489 customers, restored in ~48 min (no severe weather).
Across the 14 significant outages tracked here, restoration typically ran about 1.9 hr.
This county-level list covers larger outages (about 200+ customers at peak, lasting 30 minutes or more) — oldest listed: Jul 15, 2026. Smaller or briefer interruptions aren't listed.
Longer-term outage history — Johnson County, IA
Federal outage records (EAGLE-I, kept by the U.S. Department of Energy) show
569 notable outages (200+ customers at peak) here between 2014 and 2025 — including 8 major events of 10,000+ customers.
Typical restoration ran ~2 hr (median), and outages here have been most common in summer.
Largest on record: ~51,777 customers out in August 2020, restored after about 5.1 days. The busiest year on record here was 2020.
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.
Cities we track in Johnson County
Communities in Johnson County include Iowa City, Coralville, North Liberty, Tiffin, Solon, Lone Tree, University Heights and Hills. Searches and the live map cover every address in the county, named here or not.
Nearby counties & areas
