Power outages in Oklahoma
In 2025, the average Oklahoma customer had 4.8 hours (285.7 minutes, or 4 hours 46 minutes) without power over the year. That is about 27 minutes above the US median of 4.3 hours (258.7 minutes) across the 50 states compared.
Trend
Outage time was highest in 2020 at 48.7 hours per customer. It fell to 3.0 hours in 2021, rose to 14.9 hours in 2023, and has been 4.5 hours in 2024 and 4.8 hours in 2025.
Utilities in 2025
Among Oklahoma utilities in 2025, Cimarron Electric Coop had the lowest SAIDI at 1.2 hours (69.6 minutes). Kiamichi Electric Coop, Inc had the highest at 38.7 hours (2,322.2 minutes).
| Utility | Customers | Hours / yr | Interruptions |
|---|---|---|---|
| Kiamichi Electric Coop, Inc | 23,168 | 38.7 | 4.6 |
| Ozarks Electric Coop Corp - (AR) | 13,027 | 17.4 | 2.7 |
| Stillwater Utilities Authority | 22,135 | 17.1 | 1.6 |
| Choctaw Electric Coop Inc | 22,542 | 13.4 | 4.4 |
| Rural Electric Coop, Inc - (OK) | 12,757 | 11.6 | 4.5 |
| Verdigris Valley Elec Coop Inc | 39,593 | 9.6 | 2.8 |
| Cotton Electric Coop, Inc | 23,781 | 9.2 | 4.0 |
| CKenergy Electric Cooperative | 26,847 | 8.3 | 4.7 |
| Cookson Hills Elec Coop, Inc | 19,134 | 8.1 | 2.3 |
| East Central Oklahoma Elec Coop Inc | 37,567 | 7.0 | 3.0 |
| Southeastern Electric Coop Inc - (OK) | 17,466 | 6.6 | 2.1 |
| Lake Region Electric Coop, Inc - (OK) | 26,736 | 5.3 | 1.5 |
| Canadian Valley Elec Coop, Inc | 27,755 | 4.8 | 1.5 |
| Central Rural Electric Cooperative, Inc | 24,833 | 4.6 | 1.6 |
| People's Electric Cooperative | 23,803 | 4.1 | 2.6 |
| Oklahoma Gas & Electric Co | 834,501 | 3.9 | 1.7 |
| Public Service Co of Oklahoma | 582,915 | 3.3 | 1.5 |
| City of Claremore | 13,507 | 2.9 | 2.0 |
| Tri-County Electric Coop, Inc (OK) | 22,979 | 2.5 | 1.5 |
| City of Ponca City - (OK) | 15,990 | 2.4 | 1.4 |
| City of Edmond - (OK) | 44,881 | 1.9 | 1.5 |
| Indian Electric Coop, Inc | 20,708 | 1.7 | 0.6 |
| Oklahoma Electric Coop Inc | 65,768 | 1.2 | 1.3 |
| Cimarron Electric Coop | 19,960 | 1.2 | 0.8 |
What this means for backup power
For everyday outages, enter 2.6 hours in the calculator, which is the average length of one interruption. To ride out a year like 2020, size for 48.7 hours, which is all of that year's outage hours added together.
FAQ
What does SAIDI mean for my home?
SAIDI is the total time the average customer is without power in a year. In Oklahoma in 2025 it was 4.8 hours. It is not the length of a single outage.
How long does one power outage last in Oklahoma?
One interruption lasts about 2.6 hours on average. Use this number in the calculator if you want backup power for a typical outage.
How often does the power go out in Oklahoma?
The average customer had about 1.8 interruptions in 2025 (SAIFI 1.814). Multiplied by the 2.6-hour average, that fits the roughly 4.8 hours of total outage time for the year.
Utility pages
Source: U.S. EIA Form 861 Reliability file. Data snapshot 2026-11-05.