Parmer 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 |
|---|---|---|---|
| Mar 14, 2025 | 18 hrs | 6,045 (50%) | Winter Weather |
| Aug 3, 2023 | <1 hr | 5,262 (43%) | Unnamed event |
| Mar 15, 2025 | 1 hrs | 2,671 (22%) | Winter Weather |
| Aug 16, 2018 | 3 hrs | 2,181 (18%) | Drought |
| Aug 31, 2024 | 1 hrs | 2,002 (16%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Parmer County, Texas that day.
Over the 11 years from 2015 to 2025, Parmer County recorded 819 distinct power outage events, averaging 1.9 hours per event.
The single worst outage on record in Parmer County started March 14, 2025 (Winter Weather), lasting 18 hours and leaving up to 6,045 customers without power (50% of the county) at its peak.
March has historically been the worst month for outages in Parmer County, with 98 events recorded during that month across the dataset.
Based on this history, Parmer County earns a Reliability Grade of C, placing it in the 58th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Parmer County.
| County | Grade | National percentile |
|---|---|---|
| Castro County | C | 58th |
| Young County | C | 58th |
| Collin County | C | 57th |
| Denton County | C | 57th |
| Rockwall County | C | 59th |
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 Parmer County?
Between 2015 and 2025, Parmer County recorded 819 outage events, averaging 1.9 hours each.
What is Parmer County's reliability grade?
Parmer County has a Reliability Grade of C, in the 58th national percentile.
What was the worst power outage in Parmer County?
The worst outage on record started March 14, 2025 (Winter Weather), lasting 18 hours and affecting up to 6,045 customers.