Jack 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 |
|---|---|---|---|
| Apr 20, 2025 | 12 hrs | 2,732 (44%) | Tornado |
| Sep 28, 2021 | 7 hrs | 2,717 (44%) | Wildfire |
| Aug 12, 2025 | <1 hr | 2,354 (38%) | Heat |
| Apr 20, 2025 | 2 hrs | 2,338 (38%) | Tornado |
| Mar 13, 2019 | 10 hrs | 2,330 (37%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Jack County, Texas that day.
Over the 12 years from 2014 to 2025, Jack County recorded 883 distinct power outage events, averaging 1.9 hours per event.
The single worst outage on record in Jack County started April 20, 2025 (Tornado), lasting 12 hours and leaving up to 2,732 customers without power (44% of the county) at its peak.
November has historically been the worst month for outages in Jack County, with 220 events recorded during that month across the dataset.
Based on this history, Jack County earns a Reliability Grade of C, placing it in the 42nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Jack County.
| County | Grade | National percentile |
|---|---|---|
| Clay County | C | 42nd |
| Bee County | C | 42nd |
| Starr County | C | 41st |
| Reeves County | C | 43rd |
| Parker County | C | 43rd |
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 Jack County?
Between 2014 and 2025, Jack County recorded 883 outage events, averaging 1.9 hours each.
What is Jack County's reliability grade?
Jack County has a Reliability Grade of C, in the 42nd national percentile.
What was the worst power outage in Jack County?
The worst outage on record started April 20, 2025 (Tornado), lasting 12 hours and affecting up to 2,732 customers.