Harlan 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 |
|---|---|---|---|
| May 17, 2025 | 67 hrs | 5,681 (38%) | Unnamed event |
| Jun 18, 2025 | 2 hrs | 5,451 (36%) | Unnamed event |
| Sep 27, 2024 | 107 hrs | 5,286 (35%) | Hurricane Helene |
| Nov 12, 2025 | 0 hrs | 3,949 (26%) | Unnamed event |
| Jun 17, 2016 | 4 hrs | 3,460 (23%) | Unnamed event |
Over the 12 years from 2014 to 2025, Harlan County recorded 905 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Harlan County started May 17, 2025, lasting 67 hours and leaving up to 5,681 customers without power (38% of the county) at its peak.
May has historically been the worst month for outages in Harlan County, with 127 events recorded during that month across the dataset.
Based on this history, Harlan County earns a Reliability Grade of D, placing it in the 32nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Harlan County's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
Outage-prep kit
See our outage-prep guides.
Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Harlan County.
| County | Grade | National percentile |
|---|---|---|
| Hart County | D | 33rd |
| Pulaski County | D | 33rd |
| Robertson County | D | 33rd |
| Russell County | D | 31st |
| Hopkins County | D | 31st |
FAQ
How often does power go out in Harlan County?
Between 2014 and 2025, Harlan County recorded 905 outage events, averaging 2.8 hours each.
What is Harlan County's reliability grade?
Harlan County has a Reliability Grade of D, in the 32nd national percentile.
What was the worst power outage in Harlan County?
The worst outage on record started May 17, 2025, lasting 67 hours and affecting up to 5,681 customers.