Cumberland CountyPower Outage History
What this grade means
(How grades are calculated)Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Cumberland County, Kentucky that day.
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).
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 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.