Garvin CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 19, 2019 | 57 hrs | 9,065 (43%) | Thunderstorm Wind |
| Feb 9, 2025 | 7 hrs | 5,631 (27%) | Unnamed event |
| Apr 5, 2025 | 22 hrs | 5,622 (27%) | Hail |
| Nov 3, 2024 | 23 hrs | 5,592 (27%) | Drought |
| Oct 2, 2016 | <1 hr | 4,666 (22%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Garvin County, Oklahoma that day.
Over the 11 years from 2015 to 2025, Garvin County recorded 530 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Garvin County started June 19, 2019 (Thunderstorm Wind), lasting 57 hours and leaving up to 9,065 customers without power (43% of the county) at its peak.
June has historically been the worst month for outages in Garvin County, with 90 events recorded during that month across the dataset.
Based on this history, Garvin County earns a Reliability Grade of C, placing it in the 50th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Oklahoma
Counties with the closest reliability grade and national percentile to Garvin County.
| County | Grade | National percentile |
|---|---|---|
| Major County | C | 51st |
| Comanche County | C | 50th |
| Choctaw County | C | 51st |
| Harper County | C | 49th |
| Seminole County | C | 48th |
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 Garvin County?
Between 2015 and 2025, Garvin County recorded 530 outage events, averaging 2.5 hours each.
What is Garvin County's reliability grade?
Garvin County has a Reliability Grade of C, in the 50th national percentile.
What was the worst power outage in Garvin County?
The worst outage on record started June 19, 2019 (Thunderstorm Wind), lasting 57 hours and affecting up to 9,065 customers.