PowerOutageHistory
F

Effingham County Power Outage History

20142025 · Georgia

Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated

Total events
602
Avg duration
2.7 hrs
Longest outage
178 hrs
National percentile
9th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 7, 201620 hrs28,667 (90%)Unnamed event
Sep 27, 2024178 hrs27,466 (86%)Tropical Storm
Oct 8, 201697 hrs22,313 (70%)Unnamed event
Sep 11, 201786 hrs12,146 (38%)Unnamed event
Jun 14, 202319 hrs7,332 (23%)Thunderstorm Wind

Over the 12 years from 2014 to 2025, Effingham County recorded 602 distinct power outage events, averaging 2.7 hours per event.

The single worst outage on record in Effingham County started October 7, 2016, lasting 20 hours and leaving up to 28,667 customers without power (90% of the county) at its peak.

August has historically been the worst month for outages in Effingham County, with 78 events recorded during that month across the dataset.

Based on this history, Effingham County earns a Reliability Grade of F, placing it in the 9th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Effingham 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 Effingham County.

CountyGradeNational percentile
Charlton CountyF9th
Calhoun CountyF9th
Baker CountyF9th
Treutlen CountyF8th
Hancock CountyF8th

FAQ

How often does power go out in Effingham County?

Between 2014 and 2025, Effingham County recorded 602 outage events, averaging 2.7 hours each.

What is Effingham County's reliability grade?

Effingham County has a Reliability Grade of F, in the 9th national percentile.

What was the worst power outage in Effingham County?

The worst outage on record started October 7, 2016, lasting 20 hours and affecting up to 28,667 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.