Hartley 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 |
|---|---|---|---|
| Aug 25, 2017 | <1 hr | 1,684 (75%) | Unnamed event |
| Jun 15, 2022 | <1 hr | 1,504 (67%) | Drought |
| Oct 29, 2020 | 23 hrs | 1,445 (64%) | Heavy Snow |
| Jul 19, 2024 | 1 hrs | 918 (41%) | Unnamed event |
| Jul 12, 2024 | <1 hr | 918 (41%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Hartley County, Texas that day.
Over the 12 years from 2014 to 2025, Hartley County recorded 246 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Hartley County started August 25, 2017, lasting less than 1 hour and leaving up to 1,684 customers without power (75% of the county) at its peak.
July has historically been the worst month for outages in Hartley County, with 34 events recorded during that month across the dataset.
Based on this history, Hartley County earns a Reliability Grade of C, placing it in the 60th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Hartley County.
| County | Grade | National percentile |
|---|---|---|
| Potter County | C | 59th |
| Oldham County | C | 59th |
| Rockwall County | C | 59th |
| Bowie County | B | 60th |
| Wise County | B | 60th |
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 Hartley County?
Between 2014 and 2025, Hartley County recorded 246 outage events, averaging 2.7 hours each.
What is Hartley County's reliability grade?
Hartley County has a Reliability Grade of C, in the 60th national percentile.
What was the worst power outage in Hartley County?
The worst outage on record started August 25, 2017, lasting less than 1 hour and affecting up to 1,684 customers.