Carlisle CountyPower Outage History
2015–2025 · Kentucky
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 |
|---|---|---|---|
| Mar 14, 2019 | 9 hrs | 2,972 (79%) | Flood |
| Sep 15, 2018 | <1 hr | 2,458 (66%) | Unnamed event |
| Jun 21, 2019 | 62 hrs | 1,560 (42%) | Thunderstorm Wind |
| Mar 15, 2025 | 5 hrs | 1,390 (37%) | Hail |
| Dec 11, 2021 | 69 hrs | 1,371 (37%) | Unnamed event |
Over the 11 years from 2015 to 2025, Carlisle County recorded 404 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Carlisle County started March 14, 2019 (Flood), lasting 9 hours and leaving up to 2,972 customers without power (79% of the county) at its peak.
July has historically been the worst month for outages in Carlisle County, with 54 events recorded during that month across the dataset.
Based on this history, Carlisle County earns a Reliability Grade of D, placing it in the 37th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Carlisle County's outage profile
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Read our mission →Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Carlisle County.
| County | Grade | National percentile |
|---|---|---|
| Nelson County | D | 38th |
| Washington County | D | 37th |
| Fayette County | D | 37th |
| Bell County | D | 36th |
| Union County | D | 36th |
Most reliable counties in Kentucky
The top 3 counties in Kentucky by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Taylor County | A | 96th |
| Webster County | A | 92nd |
| Green County | A | 91st |
Least reliable counties in Kentucky
The bottom 3 counties in Kentucky by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Leslie County | F | 0th |
| Lawrence County | F | 1st |
| Knott County | F | 2nd |
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 Carlisle County?
Between 2015 and 2025, Carlisle County recorded 404 outage events, averaging 2.4 hours each.
What is Carlisle County's reliability grade?
Carlisle County has a Reliability Grade of D, in the 37th national percentile.
What was the worst power outage in Carlisle County?
The worst outage on record started March 14, 2019 (Flood), lasting 9 hours and affecting up to 2,972 customers.