Fairfield County Power Outage History
2014–2025 · South Carolina
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 27, 2024 | 170 hrs | 7,510 (33%) | Tropical Storm Helene |
| Aug 7, 2023 | 11 hrs | 2,817 (12%) | Thunderstorm Wind |
| Apr 15, 2018 | 30 hrs | 2,717 (12%) | Thunderstorm Wind |
| Feb 17, 2015 | 11 hrs | 2,714 (12%) | Ice Storm |
| Jan 16, 2022 | 38 hrs | 2,650 (12%) | Ice Storm |
Over the 12 years from 2014 to 2025, Fairfield County recorded 509 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Fairfield County started September 27, 2024 (Tropical Storm Helene), lasting 170 hours and leaving up to 7,510 customers without power (33% of the county) at its peak.
June has historically been the worst month for outages in Fairfield County, with 60 events recorded during that month across the dataset.
Based on this history, Fairfield County earns a Reliability Grade of C, placing it in the 47th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Fairfield 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 South Carolina
Counties with the closest reliability grade and national percentile to Fairfield County.
| County | Grade | National percentile |
|---|---|---|
| Laurens County | C | 48th |
| Williamsburg County | C | 52nd |
| Chesterfield County | C | 42nd |
| Florence County | C | 41st |
| Jasper County | C | 54th |
FAQ
How often does power go out in Fairfield County?
Between 2014 and 2025, Fairfield County recorded 509 outage events, averaging 3.4 hours each.
What is Fairfield County's reliability grade?
Fairfield County has a Reliability Grade of C, in the 47th national percentile.
What was the worst power outage in Fairfield County?
The worst outage on record started September 27, 2024 (Tropical Storm Helene), lasting 170 hours and affecting up to 7,510 customers.