Zavala County Power Outage History
2014–2025 · Texas
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 8, 2015 | 0 hrs | 3,394 (5%) | Unnamed event |
| Jul 8, 2015 | 0 hrs | 3,394 (5%) | Unnamed event |
| Feb 15, 2021 | 80 hrs | 2,560 (4%) | Winter Storm Uri |
| Jul 23, 2015 | 1 hrs | 1,480 (2%) | Unnamed event |
| May 21, 2015 | 2 hrs | 1,418 (2%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Zavala County recorded 143 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Zavala County started July 8, 2015, lasting 0 hours and leaving up to 3,394 customers without power (5% of the county) at its peak.
May has historically been the worst month for outages in Zavala County, with 30 events recorded during that month across the dataset.
Based on this history, Zavala County earns a Reliability Grade of A, placing it in the 95th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Zavala County's outage profile
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Outage-prep kit
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Zavala County.
| County | Grade | National percentile |
|---|---|---|
| Jasper County | A | 94th |
| Fayette County | A | 91st |
| Coleman County | A | 90th |
| Guadalupe County | A | 89th |
| Lubbock County | A | 88th |
FAQ
How often does power go out in Zavala County?
Between 2014 and 2025, Zavala County recorded 143 outage events, averaging 2.7 hours each.
What is Zavala County's reliability grade?
Zavala County has a Reliability Grade of A, in the 95th national percentile.
What was the worst power outage in Zavala County?
The worst outage on record started July 8, 2015, lasting 0 hours and affecting up to 3,394 customers.