Utah CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 24, 2022 | 4 hrs | 119,719 (36%) | Unnamed event |
| Mar 16, 2022 | 6 hrs | 26,212 (8%) | Heavy Snow |
| Nov 7, 2024 | 4 hrs | 22,269 (7%) | Unnamed event |
| Aug 30, 2024 | <1 hr | 21,841 (7%) | Unnamed event |
| Nov 26, 2025 | <1 hr | 19,897 (6%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Utah County, Utah that day.
Over the 9 years from 2017 to 2025, Utah County recorded 992 distinct power outage events, averaging 2.2 hours per event.
The single worst outage on record in Utah County started March 24, 2022, lasting 4 hours and leaving up to 119,719 customers without power (36% of the county) at its peak.
July has historically been the worst month for outages in Utah County, with 127 events recorded during that month across the dataset.
Based on this history, Utah County earns a Reliability Grade of A, placing it in the 91st percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Utah
Counties with the closest reliability grade and national percentile to Utah County.
| County | Grade | National percentile |
|---|---|---|
| Wasatch County | A | 92nd |
| Washington County | A | 92nd |
| Wayne County | A | 94th |
| Uintah County | A | 88th |
| Duchesne County | A | 97th |
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 Utah County?
Between 2017 and 2025, Utah County recorded 992 outage events, averaging 2.2 hours each.
What is Utah County's reliability grade?
Utah County has a Reliability Grade of A, in the 91st national percentile.
What was the worst power outage in Utah County?
The worst outage on record started March 24, 2022, lasting 4 hours and affecting up to 119,719 customers.