Montgomery County Power Outage History
2014–2025 · Kentucky
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 29, 2015 | 1 hrs | 8,485 (55%) | Unnamed event |
| Jul 20, 2018 | 48 hrs | 7,187 (46%) | Thunderstorm Wind |
| Sep 27, 2024 | 94 hrs | 6,064 (39%) | Hurricane Helene |
| Feb 11, 2021 | 92 hrs | 2,612 (17%) | Ice Storm |
| Mar 5, 2025 | 7 hrs | 2,451 (16%) | Unnamed event |
Over the 12 years from 2014 to 2025, Montgomery County recorded 416 distinct power outage events, averaging 3.1 hours per event.
The single worst outage on record in Montgomery County started November 29, 2015, lasting 1 hours and leaving up to 8,485 customers without power (55% of the county) at its peak.
July has historically been the worst month for outages in Montgomery County, with 61 events recorded during that month across the dataset.
Based on this history, Montgomery County earns a Reliability Grade of C, placing it in the 45th 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 Montgomery County.
| County | Grade | National percentile |
|---|---|---|
| Whitley County | C | 45th |
| Laurel County | C | 47th |
| Christian County | C | 47th |
| Cumberland County | C | 47th |
| Ballard County | C | 44th |
FAQ
How often does power go out in Montgomery County?
Between 2014 and 2025, Montgomery County recorded 416 outage events, averaging 3.1 hours each.
What is Montgomery County's reliability grade?
Montgomery County has a Reliability Grade of C, in the 45th national percentile.
What was the worst power outage in Montgomery County?
The worst outage on record started November 29, 2015, lasting 1 hours and affecting up to 8,485 customers.