Greenwood County Power Outage History
2014–2025 · South Carolina
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 |
|---|---|---|---|
| Sep 27, 2024 | 280 hrs | 29,946 (39%) | Tropical Storm |
| Feb 17, 2015 | 15 hrs | 14,786 (19%) | Ice Storm |
| Feb 17, 2015 | 0 hrs | 12,787 (17%) | Ice Storm |
| Feb 17, 2015 | 33 hrs | 12,550 (17%) | Ice Storm |
| Jun 8, 2025 | 19 hrs | 8,322 (11%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Greenwood County recorded 411 distinct power outage events, averaging 4.1 hours per event.
The single worst outage on record in Greenwood County started September 27, 2024 (Tropical Storm), lasting 280 hours and leaving up to 29,946 customers without power (39% of the county) at its peak.
July has historically been the worst month for outages in Greenwood County, with 50 events recorded during that month across the dataset.
Based on this history, Greenwood County earns a Reliability Grade of D, placing it in the 23rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Greenwood County's outage profile
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Similar counties in South Carolina
Counties with the closest reliability grade and national percentile to Greenwood County.
| County | Grade | National percentile |
|---|---|---|
| Newberry County | D | 23rd |
| Pickens County | D | 24th |
| Saluda County | D | 22nd |
| Edgefield County | D | 21st |
| Cherokee County | D | 27th |
FAQ
How often does power go out in Greenwood County?
Between 2014 and 2025, Greenwood County recorded 411 outage events, averaging 4.1 hours each.
What is Greenwood County's reliability grade?
Greenwood County has a Reliability Grade of D, in the 23rd national percentile.
What was the worst power outage in Greenwood County?
The worst outage on record started September 27, 2024 (Tropical Storm), lasting 280 hours and affecting up to 29,946 customers.