Orangeburg County Power Outage History
2014–2025 · South Carolina
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 |
|---|---|---|---|
| Apr 13, 2020 | 39 hrs | 14,062 (13%) | Thunderstorm Wind |
| Oct 8, 2016 | 10 hrs | 12,550 (12%) | Hurricane Matthew |
| Oct 8, 2016 | 117 hrs | 10,879 (10%) | Hurricane Matthew |
| Sep 27, 2024 | 31 hrs | 9,653 (9%) | Tropical Storm Helene |
| Jul 7, 2022 | 0 hrs | 8,076 (8%) | Flash Flood |
Over the 12 years from 2014 to 2025, Orangeburg County recorded 670 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Orangeburg County started April 13, 2020 (Thunderstorm Wind), lasting 39 hours and leaving up to 14,062 customers without power (13% of the county) at its peak.
November has historically been the worst month for outages in Orangeburg County, with 118 events recorded during that month across the dataset.
Based on this history, Orangeburg County earns a Reliability Grade of B, placing it in the 80th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Orangeburg County's outage profile
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Similar counties in South Carolina
Counties with the closest reliability grade and national percentile to Orangeburg County.
| County | Grade | National percentile |
|---|---|---|
| Union County | B | 80th |
| Kershaw County | A | 83rd |
| Richland County | B | 76th |
| Horry County | B | 76th |
| York County | A | 84th |
FAQ
How often does power go out in Orangeburg County?
Between 2014 and 2025, Orangeburg County recorded 670 outage events, averaging 2.3 hours each.
What is Orangeburg County's reliability grade?
Orangeburg County has a Reliability Grade of B, in the 80th national percentile.
What was the worst power outage in Orangeburg County?
The worst outage on record started April 13, 2020 (Thunderstorm Wind), lasting 39 hours and affecting up to 14,062 customers.