Karnes 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 |
|---|---|---|---|
| May 25, 2022 | 23 hrs | 2,859 (28%) | Drought |
| May 22, 2023 | 2 hrs | 2,457 (24%) | Unnamed event |
| Mar 21, 2015 | 0 hrs | 1,817 (18%) | Flash Flood |
| May 4, 2019 | 3 hrs | 1,660 (16%) | Unnamed event |
| Feb 14, 2021 | 88 hrs | 1,594 (16%) | Winter Storm Uri |
Over the 12 years from 2014 to 2025, Karnes County recorded 450 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Karnes County started May 25, 2022 (Drought), lasting 23 hours and leaving up to 2,859 customers without power (28% of the county) at its peak.
May has historically been the worst month for outages in Karnes County, with 57 events recorded during that month across the dataset.
Based on this history, Karnes County earns a Reliability Grade of B, placing it in the 68th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Karnes 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 Karnes County.
| County | Grade | National percentile |
|---|---|---|
| Kendall County | B | 68th |
| Hamilton County | B | 68th |
| Crane County | B | 67th |
| DeWitt County | B | 67th |
| Stonewall County | B | 69th |
FAQ
How often does power go out in Karnes County?
Between 2014 and 2025, Karnes County recorded 450 outage events, averaging 2.4 hours each.
What is Karnes County's reliability grade?
Karnes County has a Reliability Grade of B, in the 68th national percentile.
What was the worst power outage in Karnes County?
The worst outage on record started May 25, 2022 (Drought), lasting 23 hours and affecting up to 2,859 customers.