Uinta County Power Outage History
2017–2025 · Wyoming
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 |
|---|---|---|---|
| Dec 16, 2017 | 3 hrs | 6,934 (56%) | Unnamed event |
| Jan 31, 2022 | 1 hrs | 2,523 (20%) | Unnamed event |
| Apr 11, 2018 | 0 hrs | 1,867 (15%) | Unnamed event |
| Jun 6, 2020 | 1 hrs | 1,585 (13%) | Thunderstorm Wind |
| May 25, 2022 | 6 hrs | 1,469 (12%) | Unnamed event |
Over the 9 years from 2017 to 2025, Uinta County recorded 107 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Uinta County started December 16, 2017, lasting 3 hours and leaving up to 6,934 customers without power (56% of the county) at its peak.
October has historically been the worst month for outages in Uinta County, with 13 events recorded during that month across the dataset.
Based on this history, Uinta County earns a Reliability Grade of A, placing it in the 93rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Uinta County's outage profile
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Similar counties in Wyoming
Counties with the closest reliability grade and national percentile to Uinta County.
| County | Grade | National percentile |
|---|---|---|
| Laramie County | A | 93rd |
| Niobrara County | A | 93rd |
| Fremont County | A | 94th |
| Washakie County | A | 90th |
| Lincoln County | A | 89th |
FAQ
How often does power go out in Uinta County?
Between 2017 and 2025, Uinta County recorded 107 outage events, averaging 2.5 hours each.
What is Uinta County's reliability grade?
Uinta County has a Reliability Grade of A, in the 93rd national percentile.
What was the worst power outage in Uinta County?
The worst outage on record started December 16, 2017, lasting 3 hours and affecting up to 6,934 customers.