Frio CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 15, 2021 | 80 hrs | 5,892 (58%) | Winter Storm Uri |
| May 5, 2018 | 2 hrs | 4,651 (46%) | Unnamed event |
| Mar 16, 2018 | <1 hr | 3,957 (39%) | Unnamed event |
| Jun 27, 2019 | 2 hrs | 3,014 (30%) | Unnamed event |
| Feb 11, 2021 | <1 hr | 2,197 (22%) | Winter Storm Uri |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Frio County, Texas that day.
Over the 12 years from 2014 to 2025, Frio County recorded 706 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Frio County started February 15, 2021 (Winter Storm Uri), lasting 80 hours and leaving up to 5,892 customers without power (58% of the county) at its peak.
May has historically been the worst month for outages in Frio County, with 107 events recorded during that month across the dataset.
Based on this history, Frio County earns a Reliability Grade of D, placing it in the 39th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Frio County.
| County | Grade | National percentile |
|---|---|---|
| Bell County | D | 39th |
| Deaf Smith County | D | 39th |
| Lee County | D | 39th |
| Llano County | D | 39th |
| Delta County | D | 39th |
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 Frio County?
Between 2014 and 2025, Frio County recorded 706 outage events, averaging 2.4 hours each.
What is Frio County's reliability grade?
Frio County has a Reliability Grade of D, in the 39th national percentile.
What was the worst power outage in Frio County?
The worst outage on record started February 15, 2021 (Winter Storm Uri), lasting 80 hours and affecting up to 5,892 customers.