Power outages in Utah
In 2025, the average Utah customer had 1.9 hours (116.4 minutes) without power over the year (SAIDI). That is below the US median of 4.3 hours (258.7 minutes) across 50 states compared.
Trend
Outage time fell sharply after 2020, which was the worst year at 9.6 hours. Since 2021 it has stayed between 1.9 and 2.1 hours a year.
Utilities in 2025
The lowest SAIDI in 2025 was City of St George at 0.4 hours (21.7 minutes). The highest was Garkane Energy Coop, Inc at 15.0 hours (898.6 minutes).
| Utility | Customers | Hours / yr | Interruptions |
|---|---|---|---|
| Garkane Energy Coop, Inc | 16,312 | 15.0 | — |
| Moon Lake Electric Assn Inc | 18,499 | 3.0 | 2.0 |
| PacifiCorp | 1,054,136 | 2.0 | 0.9 |
| Heber Light & Power Company | 16,196 | 1.9 | 2.2 |
| City of Murray - (UT) | 21,044 | 0.9 | 0.9 |
| Provo City Corp | 40,813 | 0.9 | 0.7 |
| City of Springville - (UT) | 13,469 | 0.8 | 0.4 |
| Dixie Escalante R E A, Inc | 31,630 | 0.7 | 0.2 |
| Lehi City Corporation | 31,153 | 0.7 | 0.4 |
| City of Logan - (UT) | 22,012 | 0.5 | 0.4 |
| City of St George - (UT) | 33,831 | 0.4 | — |
What this means for backup power
For everyday outages, enter 2.9 hours in the calculator, the average length of one interruption. To ride out a year like 2020, size for 9.6 hours, the total outage time in that year.
FAQ
How long does a typical power outage last in Utah?
One interruption lasts 2.9 hours on average. This differs from SAIDI, which adds up all outage time per customer over a full year.
How many outages should I expect in a year?
In 2025 the average Utah customer had 0.667 interruptions (SAIFI). Averages hide a lot of variation, so individual homes may see more or fewer.
How much backup power should I plan for?
For everyday outages, plan around 2.9 hours. If you want cover for a bad year like 2020, plan for 9.6 hours of total outage time. The calculator lets you test both numbers.
Utility pages
Source: U.S. EIA Form 861 Reliability file. Data snapshot 2026-11-05.