PowerOutageHistory
C

Clayton County Power Outage History

20142025 · Georgia

Average — typical outage frequency and duration nationally. How grades are calculated

Total events
1,599
Avg duration
2.1 hrs
Longest outage
87 hrs
National percentile
50th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 11, 201787 hrs49,422 (35%)Tropical Storm Irma
Jun 26, 202522 hrs28,943 (21%)Thunderstorm Wind
Feb 16, 202533 hrs27,610 (20%)Thunderstorm Wind
Oct 29, 202054 hrs17,247 (12%)Tropical Storm Zeta
Jun 25, 20213 hrs17,202 (12%)Unnamed event

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).

Sized for Clayton County's outage profile

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Outage-prep kit

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Similar counties in Georgia

Counties with the closest reliability grade and national percentile to Clayton County.

CountyGradeNational percentile
Montgomery CountyC50th
Butts CountyC50th
Murray CountyC49th
Jenkins CountyC49th
Bartow CountyC53rd

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.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.