Washakie CountyPower Outage History
2017–2025 · Wyoming
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 |
|---|---|---|---|
| Nov 5, 2017 | <1 hr | 2,699 (79%) | Winter Storm |
| Apr 19, 2025 | 1 hrs | 2,607 (76%) | Winter Storm |
| May 26, 2024 | 3 hrs | 1,464 (43%) | Winter Storm |
| Jul 4, 2025 | 7 hrs | 1,284 (38%) | Thunderstorm Wind |
| Jul 19, 2025 | 2 hrs | 1,221 (36%) | Thunderstorm Wind |
Over the 9 years from 2017 to 2025, Washakie County recorded 188 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Washakie County started November 5, 2017 (Winter Storm), lasting less than 1 hour and leaving up to 2,699 customers without power (79% of the county) at its peak.
August has historically been the worst month for outages in Washakie County, with 28 events recorded during that month across the dataset.
Based on this history, Washakie County earns a Reliability Grade of A, placing it in the 90th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Washakie County's outage profile
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Read our mission →Similar counties in Wyoming
Counties with the closest reliability grade and national percentile to Washakie County.
| County | Grade | National percentile |
|---|---|---|
| Lincoln County | A | 89th |
| Park County | A | 88th |
| Natrona County | A | 87th |
| Uinta County | A | 93rd |
| Laramie County | A | 93rd |
Most reliable counties in Wyoming
The top 3 counties in Wyoming by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Teton County | A | 97th |
| Fremont County | A | 94th |
| Niobrara County | A | 93rd |
Least reliable counties in Wyoming
The bottom 3 counties in Wyoming by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Crook County | C | 41st |
| Converse County | C | 48th |
| Weston County | B | 64th |
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 Washakie County?
Between 2017 and 2025, Washakie County recorded 188 outage events, averaging 2.3 hours each.
What is Washakie County's reliability grade?
Washakie County has a Reliability Grade of A, in the 90th national percentile.
What was the worst power outage in Washakie County?
The worst outage on record started November 5, 2017 (Winter Storm), lasting less than 1 hour and affecting up to 2,699 customers.