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 |
|---|---|---|---|
| Oct 29, 2020 | 107 hrs | 4,338 (59%) | Tropical Storm |
| Oct 29, 2020 | <1 hr | 3,520 (48%) | Tropical Storm |
| Oct 29, 2020 | <1 hr | 3,416 (46%) | Tropical Storm |
| May 4, 2021 | 51 hrs | 3,332 (45%) | Tornado |
| Oct 29, 2020 | <1 hr | 2,851 (39%) | Tropical Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Perry County, Alabama that day.
Over the 11 years from 2015 to 2025, Perry County recorded 850 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Perry County started October 29, 2020 (Tropical Storm), lasting 107 hours and leaving up to 4,338 customers without power (59% of the county) at its peak.
June has historically been the worst month for outages in Perry County, with 107 events recorded during that month across the dataset.
Based on this history, Perry County earns a Reliability Grade of F, placing it in the 14th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Alabama
Counties with the closest reliability grade and national percentile to Perry County.
| County | Grade | National percentile |
|---|---|---|
| Chilton County | F | 14th |
| Bibb County | F | 14th |
| Lowndes County | F | 15th |
| Butler County | F | 16th |
| Dallas County | F | 11th |
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 2015 and 2025, Perry County recorded 850 outage events, averaging 3.4 hours each.
What is Perry County's reliability grade?
Perry County has a Reliability Grade of F, in the 14th national percentile.
What was the worst power outage in Perry County?
The worst outage on record started October 29, 2020 (Tropical Storm), lasting 107 hours and affecting up to 4,338 customers.