Adair County Power Outage History
2015–2025 · Oklahoma
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Dec 20, 2022 | 1 hrs | 4,018 (15%) | Unnamed event |
| May 20, 2025 | 49 hrs | 3,566 (13%) | Hail |
| May 20, 2025 | 6 hrs | 3,564 (13%) | Hail |
| May 20, 2025 | 0 hrs | 3,564 (13%) | Hail |
| Nov 4, 2024 | 10 hrs | 2,295 (8%) | Drought |
Over the 11 years from 2015 to 2025, Adair County recorded 160 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Adair County started December 20, 2022, lasting 1 hours and leaving up to 4,018 customers without power (15% of the county) at its peak.
July has historically been the worst month for outages in Adair County, with 23 events recorded during that month across the dataset.
Based on this history, Adair County earns a Reliability Grade of A, placing it in the 89th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Adair County's outage profile
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Similar counties in Oklahoma
Counties with the closest reliability grade and national percentile to Adair County.
| County | Grade | National percentile |
|---|---|---|
| Greer County | A | 89th |
| Cherokee County | A | 83rd |
| Jackson County | A | 82nd |
| Kay County | A | 95th |
| Haskell County | A | 82nd |
FAQ
How often does power go out in Adair County?
Between 2015 and 2025, Adair County recorded 160 outage events, averaging 2.9 hours each.
What is Adair County's reliability grade?
Adair County has a Reliability Grade of A, in the 89th national percentile.
What was the worst power outage in Adair County?
The worst outage on record started December 20, 2022, lasting 1 hours and affecting up to 4,018 customers.