Hidalgo 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 |
|---|---|---|---|
| Apr 29, 2023 | 133 hrs | 200,550 (27%) | Thunderstorm Wind |
| Jul 25, 2020 | 197 hrs | 153,337 (20%) | Hurricane Hanna |
| Feb 14, 2021 | 90 hrs | 124,336 (17%) | Winter Storm Uri |
| Jun 13, 2025 | 46 hrs | 61,152 (8%) | Heat |
| May 12, 2021 | 58 hrs | 47,372 (6%) | Drought |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Hidalgo County, Texas that day.
Over the 12 years from 2014 to 2025, Hidalgo County recorded 3,312 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Hidalgo County started April 29, 2023 (Thunderstorm Wind), lasting 133 hours and leaving up to 200,550 customers without power (27% of the county) at its peak.
June has historically been the worst month for outages in Hidalgo County, with 327 events recorded during that month across the dataset.
Based on this history, Hidalgo County earns a Reliability Grade of C, placing it in the 55th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Hidalgo County.
| County | Grade | National percentile |
|---|---|---|
| Floyd County | C | 56th |
| Tom Green County | C | 56th |
| Garza County | C | 56th |
| Brown County | C | 56th |
| Grayson County | C | 54th |
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 Hidalgo County?
Between 2014 and 2025, Hidalgo County recorded 3,312 outage events, averaging 2.3 hours each.
What is Hidalgo County's reliability grade?
Hidalgo County has a Reliability Grade of C, in the 55th national percentile.
What was the worst power outage in Hidalgo County?
The worst outage on record started April 29, 2023 (Thunderstorm Wind), lasting 133 hours and affecting up to 200,550 customers.