Seminole County Power Outage History
2014–2025 · Oklahoma
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 |
|---|---|---|---|
| May 5, 2022 | 92 hrs | 8,843 (42%) | Drought |
| Jun 10, 2022 | 20 hrs | 3,480 (17%) | Unnamed event |
| Sep 24, 2023 | 22 hrs | 3,443 (16%) | Hail |
| Jul 1, 2017 | 2 hrs | 3,283 (16%) | Unnamed event |
| May 1, 2024 | 2 hrs | 3,115 (15%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Seminole County recorded 714 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Seminole County started May 5, 2022 (Drought), lasting 92 hours and leaving up to 8,843 customers without power (42% of the county) at its peak.
May has historically been the worst month for outages in Seminole County, with 101 events recorded during that month across the dataset.
Based on this history, Seminole County earns a Reliability Grade of C, placing it in the 48th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Oklahoma
Counties with the closest reliability grade and national percentile to Seminole County.
| County | Grade | National percentile |
|---|---|---|
| Pontotoc County | C | 48th |
| Harper County | C | 49th |
| Comanche County | C | 50th |
| Garvin County | C | 50th |
| Major County | C | 51st |
FAQ
How often does power go out in Seminole County?
Between 2014 and 2025, Seminole County recorded 714 outage events, averaging 3.0 hours each.
What is Seminole County's reliability grade?
Seminole County has a Reliability Grade of C, in the 48th national percentile.
What was the worst power outage in Seminole County?
The worst outage on record started May 5, 2022 (Drought), lasting 92 hours and affecting up to 8,843 customers.