Cumberland CountyPower Outage History
2014–2025 · Kentucky
Average — typical outage frequency and duration nationally.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jan 22, 2025 | 1 hrs | 4,668 (94%) | Unnamed event |
| Jun 12, 2021 | <1 hr | 4,528 (91%) | Unnamed event |
| Oct 25, 2020 | 3 hrs | 4,461 (90%) | Unnamed event |
| Oct 18, 2020 | 4 hrs | 4,457 (90%) | Unnamed event |
| Nov 1, 2020 | 3 hrs | 4,457 (90%) | Unnamed event |
Over the 12 years from 2014 to 2025, Cumberland County recorded 608 distinct power outage events, averaging 1.5 hours per event.
The single worst outage on record in Cumberland County started January 22, 2025, lasting 1 hours and leaving up to 4,668 customers without power (94% of the county) at its peak.
June has historically been the worst month for outages in Cumberland County, with 82 events recorded during that month across the dataset.
Based on this history, Cumberland County earns a Reliability Grade of C, placing it in the 47th 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 Cumberland County.
| County | Grade | National percentile |
|---|---|---|
| Christian County | C | 47th |
| Laurel County | C | 47th |
| Jefferson County | C | 48th |
| Knox County | C | 48th |
| Caldwell County | C | 48th |
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 Cumberland County?
Between 2014 and 2025, Cumberland County recorded 608 outage events, averaging 1.5 hours each.
What is Cumberland County's reliability grade?
Cumberland County has a Reliability Grade of C, in the 47th national percentile.
What was the worst power outage in Cumberland County?
The worst outage on record started January 22, 2025, lasting 1 hours and affecting up to 4,668 customers.

