Brewster 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 |
|---|---|---|---|
| Feb 15, 2021 | 77 hrs | 2,748 (55%) | Winter Storm Uri |
| Aug 19, 2024 | 175 hrs | 2,467 (50%) | Unnamed event |
| Mar 13, 2021 | 6 hrs | 1,918 (39%) | High Wind |
| Aug 28, 2022 | 1 hrs | 1,788 (36%) | Thunderstorm Wind |
| Jul 24, 2024 | 253 hrs | 1,778 (36%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Brewster County, Texas that day.
Over the 12 years from 2014 to 2025, Brewster County recorded 838 distinct power outage events, averaging 11.8 hours per event.
The single worst outage on record in Brewster County started February 15, 2021 (Winter Storm Uri), lasting 77 hours and leaving up to 2,748 customers without power (55% of the county) at its peak.
May has historically been the worst month for outages in Brewster County, with 103 events recorded during that month across the dataset.
Based on this history, Brewster County earns a Reliability Grade of F, placing it in the 16th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Brewster County.
| County | Grade | National percentile |
|---|---|---|
| Carson County | F | 16th |
| Briscoe County | F | 16th |
| Martin County | F | 16th |
| Willacy County | F | 16th |
| Irion County | F | 17th |
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 Brewster County?
Between 2014 and 2025, Brewster County recorded 838 outage events, averaging 11.8 hours each.
What is Brewster County's reliability grade?
Brewster County has a Reliability Grade of F, in the 16th national percentile.
What was the worst power outage in Brewster County?
The worst outage on record started February 15, 2021 (Winter Storm Uri), lasting 77 hours and affecting up to 2,748 customers.