PowerOutageHistory
F

Gilmer County Power Outage History

20142025 · Georgia

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

Total events
1,780
Avg duration
3.3 hrs
Longest outage
111 hrs
National percentile
2nd

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 29, 2020111 hrs15,996 (89%)Tropical Storm Zeta
Jul 30, 202473 hrs13,015 (73%)Thunderstorm Wind
Jul 21, 201845 hrs11,796 (66%)Thunderstorm Wind
May 9, 202465 hrs11,654 (65%)Tornado
Apr 12, 202043 hrs8,502 (48%)Thunderstorm Wind

Over the 12 years from 2014 to 2025, Gilmer County recorded 1,780 distinct power outage events, averaging 3.3 hours per event.

The single worst outage on record in Gilmer County started October 29, 2020 (Tropical Storm Zeta), lasting 111 hours and leaving up to 15,996 customers without power (89% of the county) at its peak.

July has historically been the worst month for outages in Gilmer County, with 223 events recorded during that month across the dataset.

Based on this history, Gilmer County earns a Reliability Grade of F, placing it in the 2nd percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Gilmer 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 Gilmer County.

CountyGradeNational percentile
Jefferson CountyF2nd
Rabun CountyF3rd
Warren CountyF3rd
Taliaferro CountyF3rd
Glascock CountyF3rd

FAQ

How often does power go out in Gilmer County?

Between 2014 and 2025, Gilmer County recorded 1,780 outage events, averaging 3.3 hours each.

What is Gilmer County's reliability grade?

Gilmer County has a Reliability Grade of F, in the 2nd national percentile.

What was the worst power outage in Gilmer County?

The worst outage on record started October 29, 2020 (Tropical Storm Zeta), lasting 111 hours and affecting up to 15,996 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.