Terry CountyPower Outage History
What this grade means
(How grades are calculated)Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Terry County, Texas that day.
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).
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 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.