Atascosa County Power Outage History
2014–2025 · Texas
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 15, 2021 | 76 hrs | 7,182 (21%) | Winter Storm Uri |
| May 26, 2023 | 2 hrs | 6,070 (18%) | Flash Flood |
| Mar 13, 2021 | 3 hrs | 5,904 (18%) | Unnamed event |
| May 5, 2018 | 1 hrs | 3,887 (12%) | Unnamed event |
| Apr 18, 2018 | 1 hrs | 3,851 (11%) | Unnamed event |
Over the 12 years from 2014 to 2025, Atascosa County recorded 477 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Atascosa County started February 15, 2021 (Winter Storm Uri), lasting 76 hours and leaving up to 7,182 customers without power (21% of the county) at its peak.
June has historically been the worst month for outages in Atascosa County, with 65 events recorded during that month across the dataset.
Based on this history, Atascosa County earns a Reliability Grade of B, placing it in the 73rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Atascosa County's outage profile
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Outage-prep kit
See our outage-prep guides or the Texas storm prep checklist.
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Atascosa County.
| County | Grade | National percentile |
|---|---|---|
| Gaines County | B | 73rd |
| Comal County | B | 73rd |
| Wilbarger County | B | 73rd |
| Sherman County | B | 73rd |
| Brazos County | B | 73rd |
FAQ
How often does power go out in Atascosa County?
Between 2014 and 2025, Atascosa County recorded 477 outage events, averaging 2.0 hours each.
What is Atascosa County's reliability grade?
Atascosa County has a Reliability Grade of B, in the 73rd national percentile.
What was the worst power outage in Atascosa County?
The worst outage on record started February 15, 2021 (Winter Storm Uri), lasting 76 hours and affecting up to 7,182 customers.