Terrell CountyPower Outage History
What this grade means
(How grades are calculated)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 |
|---|---|---|---|
| Jun 2, 2024 | 39 hrs | 642 (100%) | Flash Flood |
| Jun 26, 2023 | 2 hrs | 626 (97%) | Unnamed event |
| Oct 5, 2023 | 1 hrs | 625 (97%) | Unnamed event |
| Apr 24, 2025 | 14 hrs | 617 (96%) | Hail |
| Mar 27, 2025 | <1 hr | 609 (95%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Terrell County, Texas that day.
Over the 8 years from 2018 to 2025, Terrell County recorded 282 distinct power outage events, averaging 5.9 hours per event.
The single worst outage on record in Terrell County started June 2, 2024 (Flash Flood), lasting 39 hours and leaving up to 642 customers without power (100% of the county) at its peak.
June has historically been the worst month for outages in Terrell County, with 46 events recorded during that month across the dataset.
Based on this history, Terrell County earns a Reliability Grade of F, placing it in the 4th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Terrell County.
| County | Grade | National percentile |
|---|---|---|
| Marion County | F | 4th |
| Gregg County | F | 4th |
| Orange County | F | 2nd |
| Trinity County | F | 2nd |
| Borden County | F | 6th |
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 Terrell County?
Between 2018 and 2025, Terrell County recorded 282 outage events, averaging 5.9 hours each.
What is Terrell County's reliability grade?
Terrell County has a Reliability Grade of F, in the 4th national percentile.
What was the worst power outage in Terrell County?
The worst outage on record started June 2, 2024 (Flash Flood), lasting 39 hours and affecting up to 642 customers.