PowerOutageHistory
Reliability Grade
C
Average
2014-2025
Iowa

Keokuk CountyPower Outage History

20142025 · Iowa
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What this grade means

Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.

Takeaway
Typical outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide51st pct
In Iowa#75 of 99
See full Iowa rankings →
Total events
527
Recorded 2014–2025
Avg duration
2.1 hrs
Per outage event
Longest outage
58 hrs
Single worst event on record
Customers served
6,967
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Aug 10, 202049 hrs6,576 (94%)Thunderstorm Wind
Sep 21, 2024<1 hr4,769 (68%)Unnamed event
Oct 20, 20152 hrs4,207 (60%)Unnamed event
May 24, 20246 hrs4,153 (60%)Tornado
May 28, 20241 hrs2,122 (30%)Tornado

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Keokuk County, Iowa that day.

Over the 12 years from 2014 to 2025, Keokuk County recorded 527 distinct power outage events, averaging 2.1 hours per event.

The single worst outage on record in Keokuk County started August 10, 2020 (Thunderstorm Wind), lasting 49 hours and leaving up to 6,576 customers without power (94% of the county) at its peak.

July has historically been the worst month for outages in Keokuk County, with 77 events recorded during that month across the dataset.

Based on this history, Keokuk County earns a Reliability Grade of C, placing it in the 51st percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Iowa

Counties with the closest reliability grade and national percentile to Keokuk County.

CountyGradeNational percentile
Worth CountyC51st
Van Buren CountyC52nd
Scott CountyC50th
Hardin CountyC52nd
Jefferson CountyC52nd

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in Keokuk County?

Between 2014 and 2025, Keokuk County recorded 527 outage events, averaging 2.1 hours each.

What is Keokuk County's reliability grade?

Keokuk County has a Reliability Grade of C, in the 51st national percentile.

What was the worst power outage in Keokuk County?

The worst outage on record started August 10, 2020 (Thunderstorm Wind), lasting 49 hours and affecting up to 6,576 customers.

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Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.