Calhoun CountyPower Outage History
2014–2025 · Georgia
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 10, 2018 | 196 hrs | 3,401 (96%) | Hurricane Michael |
| Feb 6, 2020 | 12 hrs | 2,740 (77%) | Flood |
| Jul 21, 2018 | 36 hrs | 1,728 (49%) | Thunderstorm Wind |
| Oct 30, 2015 | 2 hrs | 1,563 (44%) | Unnamed event |
| Oct 27, 2016 | <1 hr | 1,409 (40%) | Unnamed event |
Over the 12 years from 2014 to 2025, Calhoun County recorded 574 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Calhoun County started October 10, 2018 (Hurricane Michael), lasting 196 hours and leaving up to 3,401 customers without power (96% of the county) at its peak.
May has historically been the worst month for outages in Calhoun County, with 71 events recorded during that month across the dataset.
Based on this history, Calhoun County earns a Reliability Grade of F, placing it in the 9th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Calhoun County's outage profile
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Read our mission →Similar counties in Georgia
Counties with the closest reliability grade and national percentile to Calhoun County.
| County | Grade | National percentile |
|---|---|---|
| Charlton County | F | 9th |
| Baker County | F | 9th |
| Effingham County | F | 9th |
| Richmond County | F | 10th |
| Treutlen County | F | 8th |
Most reliable counties in Georgia
The top 3 counties in Georgia by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Screven County | A | 94th |
| Chattahoochee County | A | 90th |
| Houston County | A | 89th |
Least reliable counties in Georgia
The bottom 3 counties in Georgia by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Gilmer County | F | 2nd |
| Jefferson County | F | 2nd |
| Rabun County | F | 3rd |
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 Calhoun County?
Between 2014 and 2025, Calhoun County recorded 574 outage events, averaging 2.9 hours each.
What is Calhoun County's reliability grade?
Calhoun County has a Reliability Grade of F, in the 9th national percentile.
What was the worst power outage in Calhoun County?
The worst outage on record started October 10, 2018 (Hurricane Michael), lasting 196 hours and affecting up to 3,401 customers.