Kerr County Power Outage History
2018–2025 · Texas
Worse than average — more frequent or longer 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 11, 2021 | 163 hrs | 24,388 (61%) | Winter Storm Uri |
| May 28, 2020 | 6 hrs | 6,247 (16%) | Hail |
| Jul 4, 2025 | 84 hrs | 5,423 (14%) | Tropical Storm Barry |
| May 25, 2020 | 14 hrs | 4,624 (12%) | Unnamed event |
| May 28, 2020 | 43 hrs | 4,500 (11%) | Hail |
Over the 8 years from 2018 to 2025, Kerr County recorded 303 distinct power outage events, averaging 3.5 hours per event.
The single worst outage on record in Kerr County started February 11, 2021 (Winter Storm Uri), lasting 163 hours and leaving up to 24,388 customers without power (61% of the county) at its peak.
May has historically been the worst month for outages in Kerr County, with 47 events recorded during that month across the dataset.
Based on this history, Kerr County earns a Reliability Grade of D, placing it in the 36th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Kerr County's outage profile
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Kerr County.
| County | Grade | National percentile |
|---|---|---|
| Maverick County | D | 36th |
| Moore County | D | 35th |
| Nueces County | D | 35th |
| Haskell County | D | 34th |
| Stephens County | D | 37th |
FAQ
How often does power go out in Kerr County?
Between 2018 and 2025, Kerr County recorded 303 outage events, averaging 3.5 hours each.
What is Kerr County's reliability grade?
Kerr County has a Reliability Grade of D, in the 36th national percentile.
What was the worst power outage in Kerr County?
The worst outage on record started February 11, 2021 (Winter Storm Uri), lasting 163 hours and affecting up to 24,388 customers.