Casey CountyPower Outage History
What this grade means
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 |
|---|---|---|---|
| Nov 17, 2021 | 1 hrs | 3,724 (41%) | Unnamed event |
| Jan 2, 2021 | 2 hrs | 3,452 (38%) | Unnamed event |
| Dec 21, 2019 | 4 hrs | 2,019 (22%) | Flash Flood |
| Feb 18, 2021 | 29 hrs | 1,988 (22%) | Ice Storm |
| May 18, 2022 | 6 hrs | 1,961 (21%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Casey County, Kentucky that day.
Over the 12 years from 2014 to 2025, Casey County recorded 329 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in Casey County started November 17, 2021, lasting 1 hours and leaving up to 3,724 customers without power (41% of the county) at its peak.
July has historically been the worst month for outages in Casey County, with 44 events recorded during that month across the dataset.
Based on this history, Casey County earns a Reliability Grade of C, placing it in the 56th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Casey County.
| County | Grade | National percentile |
|---|---|---|
| Crittenden County | C | 56th |
| Marshall County | C | 56th |
| Graves County | C | 55th |
| Morgan County | C | 57th |
| Henderson County | C | 57th |
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 Casey County?
Between 2014 and 2025, Casey County recorded 329 outage events, averaging 3.6 hours each.
What is Casey County's reliability grade?
Casey County has a Reliability Grade of C, in the 56th national percentile.
What was the worst power outage in Casey County?
The worst outage on record started November 17, 2021, lasting 1 hours and affecting up to 3,724 customers.