Major CountyPower Outage History
2015–2025 · Oklahoma
Average — typical outage frequency and duration nationally.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 23, 2021 | 1 hrs | 1,451 (37%) | Unnamed event |
| Jun 18, 2023 | 4 hrs | 1,303 (33%) | Drought |
| Oct 24, 2024 | 1 hrs | 1,105 (28%) | Unnamed event |
| Nov 11, 2019 | 6 hrs | 1,031 (26%) | Unnamed event |
| Oct 19, 2022 | 2 hrs | 1,028 (26%) | Drought |
Over the 11 years from 2015 to 2025, Major County recorded 342 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Major County started June 23, 2021, lasting 1 hours and leaving up to 1,451 customers without power (37% of the county) at its peak.
July has historically been the worst month for outages in Major County, with 50 events recorded during that month across the dataset.
Based on this history, Major 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 Oklahoma
Counties with the closest reliability grade and national percentile to Major County.
| County | Grade | National percentile |
|---|---|---|
| Garvin County | C | 50th |
| Choctaw County | C | 51st |
| Comanche County | C | 50th |
| Harper County | C | 49th |
| Okfuskee County | C | 53rd |
Most reliable counties in Oklahoma
The top 3 counties in Oklahoma by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Texas County | A | 96th |
| Kay County | A | 95th |
| Greer County | A | 89th |
Least reliable counties in Oklahoma
The bottom 3 counties in Oklahoma by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Caddo County | F | 4th |
| Washita County | F | 10th |
| Oklahoma County | F | 15th |
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 Major County?
Between 2015 and 2025, Major County recorded 342 outage events, averaging 3.0 hours each.
What is Major County's reliability grade?
Major County has a Reliability Grade of C, in the 51st national percentile.
What was the worst power outage in Major County?
The worst outage on record started June 23, 2021, lasting 1 hours and affecting up to 1,451 customers.