Keokuk County Power Outage History
2014–2025 · Iowa
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 10, 2020 | 49 hrs | 6,576 (94%) | Thunderstorm Wind |
| Sep 21, 2024 | <1 hr | 4,769 (68%) | Unnamed event |
| Oct 20, 2015 | 2 hrs | 4,207 (60%) | Unnamed event |
| May 24, 2024 | 6 hrs | 4,153 (60%) | Tornado |
| May 28, 2024 | 1 hrs | 2,122 (30%) | Tornado |
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).
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Similar counties in Iowa
Counties with the closest reliability grade and national percentile to Keokuk County.
| County | Grade | National percentile |
|---|---|---|
| Worth County | C | 51st |
| Van Buren County | C | 52nd |
| Scott County | C | 50th |
| Hardin County | C | 52nd |
| Jefferson County | C | 52nd |
Most reliable counties in Iowa
The top 3 counties in Iowa by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Clay County | A | 97th |
| Emmet County | A | 95th |
| Bremer County | A | 94th |
Least reliable counties in Iowa
The bottom 3 counties in Iowa by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Marshall County | F | 6th |
| Tama County | F | 12th |
| Jasper County | F | 14th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.