Parker CountyPower Outage History
What this grade means
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 |
|---|---|---|---|
| Feb 14, 2021 | 95 hrs | 37,290 (42%) | Winter Storm Uri |
| Mar 2, 2023 | 36 hrs | 18,742 (21%) | Thunderstorm Wind |
| Oct 5, 2023 | 20 hrs | 13,524 (15%) | Drought |
| Jul 10, 2020 | 3 hrs | 12,488 (14%) | Heat |
| Aug 30, 2020 | 3 hrs | 11,373 (13%) | Excessive Heat |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Parker County, Texas that day.
Over the 12 years from 2014 to 2025, Parker County recorded 1,083 distinct power outage events, averaging 2.2 hours per event.
The single worst outage on record in Parker County started February 14, 2021 (Winter Storm Uri), lasting 95 hours and leaving up to 37,290 customers without power (42% of the county) at its peak.
May has historically been the worst month for outages in Parker County, with 130 events recorded during that month across the dataset.
Based on this history, Parker County earns a Reliability Grade of C, placing it in the 43rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Parker County.
| County | Grade | National percentile |
|---|---|---|
| Reeves County | C | 43rd |
| San Saba County | C | 44th |
| Ward County | C | 44th |
| Bosque County | C | 44th |
| Clay County | C | 42nd |
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 Parker County?
Between 2014 and 2025, Parker County recorded 1,083 outage events, averaging 2.2 hours each.
What is Parker County's reliability grade?
Parker County has a Reliability Grade of C, in the 43rd national percentile.
What was the worst power outage in Parker County?
The worst outage on record started February 14, 2021 (Winter Storm Uri), lasting 95 hours and affecting up to 37,290 customers.