PowerOutageHistory
B

Okmulgee County Power Outage History

20142025 · Oklahoma

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
363
Avg duration
2.5 hrs
Longest outage
91 hrs
National percentile
73rd

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 13, 20200 hrs8,159 (36%)Unnamed event
Jun 24, 201836 hrs5,438 (24%)Thunderstorm Wind
Jun 18, 20162 hrs4,601 (20%)Excessive Heat
Jun 7, 20235 hrs4,559 (20%)Hail
Jul 6, 20222 hrs4,489 (20%)Excessive Heat

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 0 hours 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).

Sized for Okmulgee County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Oklahoma

Counties with the closest reliability grade and national percentile to Okmulgee County.

CountyGradeNational percentile
Woods CountyB73rd
Sequoyah CountyB71st
Payne CountyB75th
Stephens CountyB69th
Cleveland CountyB67th

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 0 hours and affecting up to 8,159 customers.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.