Newberry 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 | 278 hrs | 16,661 (47%) | Tropical Storm Helene |
| May 24, 2022 | 1 hrs | 9,725 (27%) | Thunderstorm Wind |
| Jun 8, 2025 | 18 hrs | 9,480 (27%) | Thunderstorm Wind |
| Jan 16, 2022 | 38 hrs | 6,657 (19%) | Ice Storm |
| Jan 3, 2022 | 10 hrs | 5,597 (16%) | Strong Wind |
Over the 12 years from 2014 to 2025, Newberry County recorded 545 distinct power outage events, averaging 4.5 hours per event.
The single worst outage on record in Newberry County started September 27, 2024 (Tropical Storm Helene), lasting 278 hours and leaving up to 16,661 customers without power (47% of the county) at its peak.
July has historically been the worst month for outages in Newberry County, with 70 events recorded during that month across the dataset.
Based on this history, Newberry County earns a Reliability Grade of D, placing it in the 23rd percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in South Carolina
Counties with the closest reliability grade and national percentile to Newberry County.
| County | Grade | National percentile |
|---|---|---|
| Greenwood County | D | 23rd |
| Saluda County | D | 22nd |
| Pickens County | D | 24th |
| Edgefield County | D | 21st |
| Oconee County | F | 19th |
FAQ
How often does power go out in Newberry County?
Between 2014 and 2025, Newberry County recorded 545 outage events, averaging 4.5 hours each.
What is Newberry County's reliability grade?
Newberry County has a Reliability Grade of D, in the 23rd national percentile.
What was the worst power outage in Newberry County?
The worst outage on record started September 27, 2024 (Tropical Storm Helene), lasting 278 hours and affecting up to 16,661 customers.