Estill County Power Outage History
2014–2025 · Kentucky
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 |
|---|---|---|---|
| Sep 27, 2024 | 109 hrs | 4,671 (53%) | Hurricane Helene |
| Nov 17, 2014 | 0 hrs | 3,205 (36%) | Unnamed event |
| May 13, 2016 | 2 hrs | 3,192 (36%) | Thunderstorm Wind |
| Jun 21, 2016 | 2 hrs | 3,190 (36%) | Thunderstorm Wind |
| Aug 10, 2016 | 1 hrs | 3,186 (36%) | Unnamed event |
Over the 12 years from 2014 to 2025, Estill County recorded 474 distinct power outage events, averaging 4.8 hours per event.
The single worst outage on record in Estill County started September 27, 2024 (Hurricane Helene), lasting 109 hours and leaving up to 4,671 customers without power (53% of the county) at its peak.
June has historically been the worst month for outages in Estill County, with 57 events recorded during that month across the dataset.
Based on this history, Estill County earns a Reliability Grade of D, placing it in the 20th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Estill County.
| County | Grade | National percentile |
|---|---|---|
| Clay County | D | 21st |
| Muhlenberg County | D | 21st |
| Greenup County | F | 19th |
| Clinton County | F | 19th |
| Butler County | D | 22nd |
FAQ
How often does power go out in Estill County?
Between 2014 and 2025, Estill County recorded 474 outage events, averaging 4.8 hours each.
What is Estill County's reliability grade?
Estill County has a Reliability Grade of D, in the 20th national percentile.
What was the worst power outage in Estill County?
The worst outage on record started September 27, 2024 (Hurricane Helene), lasting 109 hours and affecting up to 4,671 customers.