Columbia County Power Outage History
2014–2025 · Georgia
Better than average — fewer or shorter 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 |
|---|---|---|---|
| Jul 30, 2019 | 0 hrs | 25,337 (36%) | Unnamed event |
| Sep 11, 2017 | 106 hrs | 14,958 (21%) | Heavy Rain |
| Nov 4, 2020 | 1 hrs | 12,931 (18%) | Unnamed event |
| Jul 23, 2025 | 0 hrs | 11,538 (17%) | Unnamed event |
| Jan 3, 2022 | 20 hrs | 10,588 (15%) | High Wind |
Over the 12 years from 2014 to 2025, Columbia County recorded 698 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Columbia County started July 30, 2019, lasting 0 hours and leaving up to 25,337 customers without power (36% of the county) at its peak.
August has historically been the worst month for outages in Columbia County, with 98 events recorded during that month across the dataset.
Based on this history, Columbia County earns a Reliability Grade of B, placing it in the 76th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Columbia County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
See our outage-prep guides.
Similar counties in Georgia
Counties with the closest reliability grade and national percentile to Columbia County.
| County | Grade | National percentile |
|---|---|---|
| Jackson County | B | 76th |
| Walton County | B | 75th |
| Newton County | B | 75th |
| Early County | B | 74th |
| Oconee County | B | 78th |
FAQ
How often does power go out in Columbia County?
Between 2014 and 2025, Columbia County recorded 698 outage events, averaging 2.0 hours each.
What is Columbia County's reliability grade?
Columbia County has a Reliability Grade of B, in the 76th national percentile.
What was the worst power outage in Columbia County?
The worst outage on record started July 30, 2019, lasting 0 hours and affecting up to 25,337 customers.