Clayton 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 |
|---|---|---|---|
| Sep 11, 2017 | 87 hrs | 49,422 (35%) | Tropical Storm Irma |
| Jun 26, 2025 | 22 hrs | 28,943 (21%) | Thunderstorm Wind |
| Feb 16, 2025 | 33 hrs | 27,610 (20%) | Thunderstorm Wind |
| Oct 29, 2020 | 54 hrs | 17,247 (12%) | Tropical Storm Zeta |
| Jun 25, 2021 | 3 hrs | 17,202 (12%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Clayton County, Georgia that day.
Over the 12 years from 2014 to 2025, Clayton County recorded 1,599 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Clayton County started September 11, 2017 (Tropical Storm Irma), lasting 87 hours and leaving up to 49,422 customers without power (35% of the county) at its peak.
July has historically been the worst month for outages in Clayton County, with 181 events recorded during that month across the dataset.
Based on this history, Clayton County earns a Reliability Grade of C, placing it in the 50th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Georgia
Counties with the closest reliability grade and national percentile to Clayton County.
| County | Grade | National percentile |
|---|---|---|
| Montgomery County | C | 50th |
| Butts County | C | 50th |
| Murray County | C | 49th |
| Jenkins County | C | 49th |
| Bartow County | C | 53rd |
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 Clayton County?
Between 2014 and 2025, Clayton County recorded 1,599 outage events, averaging 2.1 hours each.
What is Clayton County's reliability grade?
Clayton County has a Reliability Grade of C, in the 50th national percentile.
What was the worst power outage in Clayton County?
The worst outage on record started September 11, 2017 (Tropical Storm Irma), lasting 87 hours and affecting up to 49,422 customers.