Wasatch County Power Outage History
2017–2025 · Utah
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 4, 2025 | 1 hrs | 2,845 (13%) | Unnamed event |
| Jan 28, 2025 | 3 hrs | 2,812 (13%) | Avalanche |
| Aug 16, 2023 | 1 hrs | 2,586 (12%) | Unnamed event |
| Dec 28, 2022 | 13 hrs | 2,475 (12%) | High Wind |
| May 23, 2020 | 2 hrs | 2,238 (11%) | Unnamed event |
Over the 9 years from 2017 to 2025, Wasatch County recorded 200 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Wasatch County started October 4, 2025, lasting 1 hours and leaving up to 2,845 customers without power (13% of the county) at its peak.
August has historically been the worst month for outages in Wasatch County, with 29 events recorded during that month across the dataset.
Based on this history, Wasatch County earns a Reliability Grade of A, placing it in the 92nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Wasatch County's outage profile
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Similar counties in Utah
Counties with the closest reliability grade and national percentile to Wasatch County.
| County | Grade | National percentile |
|---|---|---|
| Washington County | A | 92nd |
| Utah County | A | 91st |
| Wayne County | A | 94th |
| Uintah County | A | 88th |
| Duchesne County | A | 97th |
FAQ
How often does power go out in Wasatch County?
Between 2017 and 2025, Wasatch County recorded 200 outage events, averaging 2.5 hours each.
What is Wasatch County's reliability grade?
Wasatch County has a Reliability Grade of A, in the 92nd national percentile.
What was the worst power outage in Wasatch County?
The worst outage on record started October 4, 2025, lasting 1 hours and affecting up to 2,845 customers.