Clarke 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 |
|---|---|---|---|
| Oct 29, 2020 | <1 hr | 7,796 (34%) | Hurricane Zeta |
| Oct 29, 2020 | <1 hr | 7,796 (34%) | Hurricane Zeta |
| Oct 29, 2020 | <1 hr | 7,796 (34%) | Hurricane Zeta |
| Oct 29, 2020 | <1 hr | 7,796 (34%) | Hurricane Zeta |
| Oct 29, 2020 | <1 hr | 7,796 (34%) | Hurricane Zeta |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Clarke County, Alabama that day.
Over the 10 years from 2016 to 2025, Clarke County recorded 415 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Clarke County started October 29, 2020 (Hurricane Zeta), lasting less than 1 hour and leaving up to 7,796 customers without power (34% of the county) at its peak.
June has historically been the worst month for outages in Clarke County, with 49 events recorded during that month across the dataset.
Based on this history, Clarke County earns a Reliability Grade of C, placing it in the 51st percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Alabama
Counties with the closest reliability grade and national percentile to Clarke County.
| County | Grade | National percentile |
|---|---|---|
| Geneva County | C | 50th |
| Choctaw County | C | 50th |
| Bullock County | C | 50th |
| Jefferson County | C | 53rd |
| Sumter County | C | 49th |
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 Clarke County?
Between 2016 and 2025, Clarke County recorded 415 outage events, averaging 2.4 hours each.
What is Clarke County's reliability grade?
Clarke County has a Reliability Grade of C, in the 51st national percentile.
What was the worst power outage in Clarke County?
The worst outage on record started October 29, 2020 (Hurricane Zeta), lasting less than 1 hour and affecting up to 7,796 customers.