Donley CountyPower Outage History
2014–2025 · Texas
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 29, 2015 | 3 hrs | 1,891 (78%) | Ice Storm |
| Oct 28, 2020 | 58 hrs | 1,873 (78%) | Drought |
| Oct 28, 2020 | 4 hrs | 1,873 (78%) | Drought |
| Mar 14, 2025 | 11 hrs | 1,871 (78%) | Winter Storm |
| Feb 27, 2023 | 5 hrs | 1,868 (77%) | High Wind |
Over the 12 years from 2014 to 2025, Donley County recorded 229 distinct power outage events, averaging 3.1 hours per event.
The single worst outage on record in Donley County started November 29, 2015 (Ice Storm), lasting 3 hours and leaving up to 1,891 customers without power (78% of the county) at its peak.
June has historically been the worst month for outages in Donley County, with 36 events recorded during that month across the dataset.
Based on this history, Donley County earns a Reliability Grade of F, placing it in the 19th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Donley County's outage profile
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Read our mission →Similar counties in Texas
Counties with the closest reliability grade and national percentile to Donley County.
| County | Grade | National percentile |
|---|---|---|
| Titus County | F | 19th |
| Nacogdoches County | F | 19th |
| Sterling County | F | 19th |
| Austin County | F | 20th |
| Loving County | F | 19th |
Most reliable counties in Texas
The top 3 counties in Texas by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Zavala County | A | 95th |
| Jasper County | A | 94th |
| Fayette County | A | 91st |
Least reliable counties in Texas
The bottom 3 counties in Texas by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Trinity County | F | 2nd |
| Orange County | F | 2nd |
| Marion County | F | 4th |
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 Donley County?
Between 2014 and 2025, Donley County recorded 229 outage events, averaging 3.1 hours each.
What is Donley County's reliability grade?
Donley County has a Reliability Grade of F, in the 19th national percentile.
What was the worst power outage in Donley County?
The worst outage on record started November 29, 2015 (Ice Storm), lasting 3 hours and affecting up to 1,891 customers.