Crook CountyPower Outage History
2020–2025 · Wyoming
Average — typical outage frequency and duration nationally.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 7, 2024 | 48 hrs | 3,981 (61%) | Heavy Snow |
| Mar 20, 2020 | <1 hr | 2,560 (39%) | Unnamed event |
| Oct 30, 2024 | 5 hrs | 2,500 (38%) | Winter Weather |
| May 24, 2024 | <1 hr | 2,326 (36%) | Hail |
| Jun 12, 2022 | 6 hrs | 1,756 (27%) | Hail |
Over the 6 years from 2020 to 2025, Crook County recorded 618 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Crook County started May 7, 2024 (Heavy Snow), lasting 48 hours and leaving up to 3,981 customers without power (61% of the county) at its peak.
August has historically been the worst month for outages in Crook County, with 95 events recorded during that month across the dataset.
Based on this history, Crook County earns a Reliability Grade of C, placing it in the 41st percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Wyoming
Counties with the closest reliability grade and national percentile to Crook County.
| County | Grade | National percentile |
|---|---|---|
| Converse County | C | 48th |
| Weston County | B | 64th |
| Sublette County | B | 64th |
| Johnson County | B | 69th |
| Albany County | B | 71st |
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 Crook County?
Between 2020 and 2025, Crook County recorded 618 outage events, averaging 2.9 hours each.
What is Crook County's reliability grade?
Crook County has a Reliability Grade of C, in the 41st national percentile.
What was the worst power outage in Crook County?
The worst outage on record started May 7, 2024 (Heavy Snow), lasting 48 hours and affecting up to 3,981 customers.