Sequoyah 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 |
|---|---|---|---|
| Feb 12, 2020 | 2 hrs | 8,520 (24%) | Unnamed event |
| Jun 6, 2025 | 14 hrs | 5,822 (17%) | Tornado |
| Sep 23, 2025 | 6 hrs | 5,115 (15%) | Thunderstorm Wind |
| Jul 21, 2022 | 10 hrs | 5,075 (15%) | Drought |
| Jul 31, 2018 | 1 hrs | 4,821 (14%) | Unnamed event |
Over the 12 years from 2014 to 2025, Sequoyah County recorded 241 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in Sequoyah County started February 12, 2020, lasting 2 hours and leaving up to 8,520 customers without power (24% of the county) at its peak.
June has historically been the worst month for outages in Sequoyah County, with 37 events recorded during that month across the dataset.
Based on this history, Sequoyah County earns a Reliability Grade of B, placing it in the 71st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Sequoyah County's outage profile
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Similar counties in Oklahoma
Counties with the closest reliability grade and national percentile to Sequoyah County.
| County | Grade | National percentile |
|---|---|---|
| Woods County | B | 73rd |
| Okmulgee County | B | 73rd |
| Stephens County | B | 69th |
| Payne County | B | 75th |
| Cleveland County | B | 67th |
FAQ
How often does power go out in Sequoyah County?
Between 2014 and 2025, Sequoyah County recorded 241 outage events, averaging 3.6 hours each.
What is Sequoyah County's reliability grade?
Sequoyah County has a Reliability Grade of B, in the 71st national percentile.
What was the worst power outage in Sequoyah County?
The worst outage on record started February 12, 2020, lasting 2 hours and affecting up to 8,520 customers.