Sumter County Power Outage History
2014–2025 · Georgia
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 10, 2018 | 76 hrs | 13,270 (80%) | Hurricane Michael |
| Sep 11, 2017 | 102 hrs | 10,452 (63%) | Tropical Storm Irma |
| Feb 6, 2020 | 11 hrs | 3,134 (19%) | Unnamed event |
| Aug 12, 2021 | 10 hrs | 2,771 (17%) | Unnamed event |
| Apr 13, 2020 | 12 hrs | 2,327 (14%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Sumter County recorded 697 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Sumter County started October 10, 2018 (Hurricane Michael), lasting 76 hours and leaving up to 13,270 customers without power (80% of the county) at its peak.
August has historically been the worst month for outages in Sumter County, with 94 events recorded during that month across the dataset.
Based on this history, Sumter County earns a Reliability Grade of D, placing it in the 24th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Sumter 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.
Similar counties in Georgia
Counties with the closest reliability grade and national percentile to Sumter County.
| County | Grade | National percentile |
|---|---|---|
| Stewart County | D | 24th |
| Webster County | D | 24th |
| Crawford County | D | 24th |
| Polk County | D | 25th |
| Quitman County | D | 25th |
FAQ
How often does power go out in Sumter County?
Between 2014 and 2025, Sumter County recorded 697 outage events, averaging 2.6 hours each.
What is Sumter County's reliability grade?
Sumter County has a Reliability Grade of D, in the 24th national percentile.
What was the worst power outage in Sumter County?
The worst outage on record started October 10, 2018 (Hurricane Michael), lasting 76 hours and affecting up to 13,270 customers.