Cleveland County Power Outage History
2014–2025 · Oklahoma
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 26, 2020 | 172 hrs | 33,745 (16%) | Ice Storm |
| Jul 12, 2020 | 64 hrs | 26,619 (13%) | Thunderstorm Wind |
| Feb 16, 2021 | 9 hrs | 23,808 (12%) | Winter Storm Uri |
| Nov 16, 2025 | 5 hrs | 21,760 (11%) | Drought |
| May 7, 2024 | 20 hrs | 17,814 (9%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Cleveland County recorded 808 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Cleveland County started October 26, 2020 (Ice Storm), lasting 172 hours and leaving up to 33,745 customers without power (16% of the county) at its peak.
June has historically been the worst month for outages in Cleveland County, with 109 events recorded during that month across the dataset.
Based on this history, Cleveland County earns a Reliability Grade of B, placing it in the 67th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Cleveland County's outage profile
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Outage-prep kit
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Similar counties in Oklahoma
Counties with the closest reliability grade and national percentile to Cleveland County.
| County | Grade | National percentile |
|---|---|---|
| Beaver County | B | 67th |
| Washington County | B | 67th |
| Cimarron County | B | 66th |
| Stephens County | B | 69th |
| Woodward County | B | 64th |
FAQ
How often does power go out in Cleveland County?
Between 2014 and 2025, Cleveland County recorded 808 outage events, averaging 3.0 hours each.
What is Cleveland County's reliability grade?
Cleveland County has a Reliability Grade of B, in the 67th national percentile.
What was the worst power outage in Cleveland County?
The worst outage on record started October 26, 2020 (Ice Storm), lasting 172 hours and affecting up to 33,745 customers.