Effingham CountyPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 7, 2016 | 20 hrs | 28,667 (90%) | Unnamed event |
| Sep 27, 2024 | 178 hrs | 27,466 (86%) | Tropical Storm |
| Oct 8, 2016 | 97 hrs | 22,313 (70%) | Unnamed event |
| Sep 11, 2017 | 86 hrs | 12,146 (38%) | Unnamed event |
| Jun 14, 2023 | 19 hrs | 7,332 (23%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Effingham County, Georgia that day.
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).
Similar counties in Georgia
Counties with the closest reliability grade and national percentile to Effingham County.
| County | Grade | National percentile |
|---|---|---|
| Charlton County | F | 9th |
| Calhoun County | F | 9th |
| Baker County | F | 9th |
| Treutlen County | F | 8th |
| Hancock County | F | 8th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.