Brown 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 15, 2021 | 79 hrs | 7,476 (28%) | Winter Storm Uri |
| May 8, 2024 | 2 hrs | 5,427 (20%) | Hail |
| Sep 1, 2020 | 20 hrs | 4,794 (18%) | Drought |
| Apr 18, 2019 | 5 hrs | 4,538 (17%) | Hail |
| May 23, 2025 | 23 hrs | 4,278 (16%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Brown County, Texas that day.
Over the 12 years from 2014 to 2025, Brown County recorded 444 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Brown County started February 15, 2021 (Winter Storm Uri), lasting 79 hours and leaving up to 7,476 customers without power (28% of the county) at its peak.
May has historically been the worst month for outages in Brown County, with 91 events recorded during that month across the dataset.
Based on this history, Brown County earns a Reliability Grade of C, placing it in the 56th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Brown County.
| County | Grade | National percentile |
|---|---|---|
| Garza County | C | 56th |
| Hunt County | C | 57th |
| Tom Green County | C | 56th |
| Runnels County | C | 57th |
| Floyd County | C | 56th |
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 Brown County?
Between 2014 and 2025, Brown County recorded 444 outage events, averaging 2.5 hours each.
What is Brown County's reliability grade?
Brown County has a Reliability Grade of C, in the 56th national percentile.
What was the worst power outage in Brown County?
The worst outage on record started February 15, 2021 (Winter Storm Uri), lasting 79 hours and affecting up to 7,476 customers.