Gilmer County Power Outage History
2014–2025 · Georgia
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 29, 2020 | 111 hrs | 15,996 (89%) | Tropical Storm Zeta |
| Jul 30, 2024 | 73 hrs | 13,015 (73%) | Thunderstorm Wind |
| Jul 21, 2018 | 45 hrs | 11,796 (66%) | Thunderstorm Wind |
| May 9, 2024 | 65 hrs | 11,654 (65%) | Tornado |
| Apr 12, 2020 | 43 hrs | 8,502 (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
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.

Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
Outage-prep kit
See our outage-prep guides.

Rechargeable LED Camping Lantern 4000LM with Remote – Tent Light, Warm/Neutral/Cool 3 Modes & Stepless Dimming, IPX5 Waterproof, Magnetic Hook, Portable for Camping & Glamping
Similar counties in Georgia
Counties with the closest reliability grade and national percentile to Gilmer County.
| County | Grade | National percentile |
|---|---|---|
| Jefferson County | F | 2nd |
| Rabun County | F | 3rd |
| Warren County | F | 3rd |
| Taliaferro County | F | 3rd |
| Glascock County | F | 3rd |
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.

