Perry CountyPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 13, 2020 | 39 hrs | 14,343 (88%) | Strong Wind |
| Apr 14, 2020 | 34 hrs | 10,854 (67%) | Strong Wind |
| Jul 13, 2015 | 25 hrs | 5,349 (33%) | Thunderstorm Wind |
| Jul 28, 2022 | 257 hrs | 4,463 (28%) | Flash Flood |
| Apr 16, 2020 | 31 hrs | 4,398 (27%) | Strong Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Perry County, Kentucky that day.
Over the 12 years from 2014 to 2025, Perry County recorded 1,178 distinct power outage events, averaging 4.6 hours per event.
The single worst outage on record in Perry County started April 13, 2020 (Strong Wind), lasting 39 hours and leaving up to 14,343 customers without power (88% of the county) at its peak.
May has historically been the worst month for outages in Perry County, with 137 events recorded during that month across the dataset.
Based on this history, Perry County earns a Reliability Grade of F, placing it in the 4th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Perry County.
| County | Grade | National percentile |
|---|---|---|
| Menifee County | F | 5th |
| Breathitt County | F | 5th |
| Elliott County | F | 5th |
| Letcher County | F | 4th |
| Lee County | F | 5th |
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 Perry County?
Between 2014 and 2025, Perry County recorded 1,178 outage events, averaging 4.6 hours each.
What is Perry County's reliability grade?
Perry County has a Reliability Grade of F, in the 4th national percentile.
What was the worst power outage in Perry County?
The worst outage on record started April 13, 2020 (Strong Wind), lasting 39 hours and affecting up to 14,343 customers.