Orangeburg CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
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 | <1 hr | 8,076 (8%) | Flash Flood |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Orangeburg County, South Carolina that day.
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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.