Okmulgee CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 13, 2020 | <1 hr | 8,159 (36%) | Unnamed event |
| Jun 24, 2018 | 36 hrs | 5,438 (24%) | Thunderstorm Wind |
| Jun 18, 2016 | 2 hrs | 4,601 (20%) | Excessive Heat |
| Jun 7, 2023 | 5 hrs | 4,559 (20%) | Hail |
| Jul 6, 2022 | 2 hrs | 4,489 (20%) | Excessive Heat |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Okmulgee County, Oklahoma that day.
Over the 12 years from 2014 to 2025, Okmulgee County recorded 363 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Okmulgee County started June 13, 2020, lasting less than 1 hour and leaving up to 8,159 customers without power (36% of the county) at its peak.
June has historically been the worst month for outages in Okmulgee County, with 57 events recorded during that month across the dataset.
Based on this history, Okmulgee County earns a Reliability Grade of B, placing it in the 73rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Oklahoma
Counties with the closest reliability grade and national percentile to Okmulgee County.
| County | Grade | National percentile |
|---|---|---|
| Woods County | B | 73rd |
| Sequoyah County | B | 71st |
| Payne County | B | 75th |
| Stephens County | B | 69th |
| Cleveland County | B | 67th |
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 Okmulgee County?
Between 2014 and 2025, Okmulgee County recorded 363 outage events, averaging 2.5 hours each.
What is Okmulgee County's reliability grade?
Okmulgee County has a Reliability Grade of B, in the 73rd national percentile.
What was the worst power outage in Okmulgee County?
The worst outage on record started June 13, 2020, lasting less than 1 hour and affecting up to 8,159 customers.