Terry CountyPower Outage History
2015–2025 · Texas
Average — typical outage frequency and duration nationally.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 28, 2020 | 127 hrs | 2,619 (46%) | Drought |
| Jun 1, 2024 | 8 hrs | 2,574 (45%) | Hail |
| Mar 6, 2021 | 2 hrs | 2,445 (43%) | Drought |
| Nov 16, 2025 | 1 hrs | 2,351 (41%) | Unnamed event |
| Aug 15, 2024 | 7 hrs | 1,874 (33%) | Unnamed event |
Over the 11 years from 2015 to 2025, Terry County recorded 519 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Terry County started October 28, 2020 (Drought), lasting 127 hours and leaving up to 2,619 customers without power (46% of the county) at its peak.
June has historically been the worst month for outages in Terry County, with 76 events recorded during that month across the dataset.
Based on this history, Terry County earns a Reliability Grade of C, placing it in the 52nd percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Terry County.
| County | Grade | National percentile |
|---|---|---|
| Ochiltree County | C | 52nd |
| Childress County | C | 52nd |
| Johnson County | C | 53rd |
| Shackelford County | C | 53rd |
| Williamson County | C | 53rd |
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 Terry County?
Between 2015 and 2025, Terry County recorded 519 outage events, averaging 2.7 hours each.
What is Terry County's reliability grade?
Terry County has a Reliability Grade of C, in the 52nd national percentile.
What was the worst power outage in Terry County?
The worst outage on record started October 28, 2020 (Drought), lasting 127 hours and affecting up to 2,619 customers.