Starr County Power Outage History
2014–2025 · Texas
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 26, 2020 | 105 hrs | 10,726 (35%) | Hurricane Hanna |
| Feb 15, 2021 | 79 hrs | 10,236 (33%) | Winter Storm Uri |
| Apr 17, 2019 | 1 hrs | 7,865 (25%) | Unnamed event |
| Aug 15, 2019 | 1 hrs | 7,862 (25%) | Unnamed event |
| May 12, 2015 | 8 hrs | 6,979 (23%) | Flash Flood |
Over the 12 years from 2014 to 2025, Starr County recorded 505 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Starr County started July 26, 2020 (Hurricane Hanna), lasting 105 hours and leaving up to 10,726 customers without power (35% of the county) at its peak.
May has historically been the worst month for outages in Starr County, with 66 events recorded during that month across the dataset.
Based on this history, Starr County earns a Reliability Grade of C, placing it in the 41st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Starr County's outage profile
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Starr County.
| County | Grade | National percentile |
|---|---|---|
| Bee County | C | 42nd |
| Throckmorton County | C | 41st |
| Jack County | C | 42nd |
| Clay County | C | 42nd |
| Erath County | C | 40th |
FAQ
How often does power go out in Starr County?
Between 2014 and 2025, Starr County recorded 505 outage events, averaging 2.8 hours each.
What is Starr County's reliability grade?
Starr County has a Reliability Grade of C, in the 41st national percentile.
What was the worst power outage in Starr County?
The worst outage on record started July 26, 2020 (Hurricane Hanna), lasting 105 hours and affecting up to 10,726 customers.