Kerr CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Kerr County, Texas that day.
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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.