Power outages in Texas
In 2025, the average Texas customer lost power for 3.7 hours in total (224.6 minutes). That is below the US median of 4.3 hours (258.7 minutes), based on 50 states compared.
Trend
Yearly outage time in Texas has swung up and down since 2020, from 7.2 hours to 19.6, 3.5, 8.3, 21.2 and 3.7 hours. The worst year was 2024, at 21.2 hours per customer.
Utilities in 2025
In 2025, City of Garland had the lowest SAIDI at 13.1 minutes (0.2 hours). Bowie-Cass Electric Coop, Inc had the highest in the list at 2,613.6 minutes (43.6 hours).
| Utility | Customers | Hours / yr | Interruptions |
|---|---|---|---|
| Bowie-Cass Electric Coop, Inc | 39,564 | 43.6 | 5.4 |
| Upshur Rural Elec Coop Corp | 50,881 | 22.2 | 5.6 |
| Big Country Electric Coop, Inc | 13,628 | 19.7 | — |
| Jasper-Newton Elec Coop, Inc | 23,816 | 19.1 | 7.2 |
| Deep East Texas Elec Coop Inc | 45,019 | 18.6 | — |
| Fannin County Electric Coop | 12,384 | 16.7 | 4.2 |
| Panola-Harrison Elec Coop, Inc | 11,432 | 16.2 | 9.7 |
| Wood County Electric Coop, Inc | 42,180 | 15.6 | 4.3 |
| Cherokee County Elec Coop Assn - (TX) | 24,241 | 14.0 | 5.4 |
| Rusk County Electric Coop, Inc | 23,706 | 9.8 | — |
| Navasota Valley Elec Coop, Inc | 21,831 | 9.5 | 4.4 |
| Houston County Elec Coop Inc | 22,938 | 9.0 | 5.4 |
| Southwestern Electric Power Co | 192,887 | 7.8 | 3.0 |
| Sam Houston Electric Coop Inc | 95,874 | 7.8 | — |
| Southwestern Public Service Co | 270,149 | 7.4 | 1.7 |
| Nueces Electric Cooperative | 21,828 | 6.8 | 1.9 |
| Entergy Texas Inc. | 539,043 | 6.7 | 2.6 |
| Wise Electric Coop Inc | 27,360 | 6.2 | 4.6 |
| Lamar County Elec Coop Assn | 14,281 | 6.1 | 2.7 |
| Concho Valley Elec Coop Inc | 16,173 | 6.1 | 3.7 |
| Taylor Electric Coop Inc - (TX) | 21,359 | 6.1 | 3.5 |
| Cooke County Elec Coop Assn | 18,583 | 5.8 | 2.3 |
| Medina Electric Coop, Inc | 36,770 | 5.0 | 2.7 |
| Magic Valley Electric Coop Inc | 149,858 | 4.8 | — |
| Lyntegar Electric Coop, Inc | 24,066 | 4.4 | — |
What this means for backup power
For everyday outages, enter 2.2 hours in the calculator, the average length of one interruption. To ride out a year like 2024, size for 21.2 hours, which is all of that year's outage hours.
FAQ
How long does a typical power outage last in Texas?
One interruption lasts about 2.2 hours on average. In 2025, the average customer had about 1.7 interruptions.
What does SAIDI mean for my backup power needs?
SAIDI is the total outage time per customer in a year, not the length of one outage. In 2025 it was 3.7 hours. Use 2.2 hours for a single everyday outage in the calculator.
How much backup power should I plan for?
For everyday outages, plan around 2.2 hours. If you want cover for a year like 2024, plan for 21.2 hours of total outage time. The 2025 figure of 3.7 hours was well below that.
Utility pages
Source: U.S. EIA Form 861 Reliability file. Data snapshot 2026-11-05.