Florence 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 |
|---|---|---|---|
| Oct 8, 2016 | 164 hrs | 48,077 (45%) | Hurricane Matthew |
| Oct 8, 2016 | 9 hrs | 27,300 (25%) | Hurricane Matthew |
| Dec 19, 2019 | 0 hrs | 23,390 (22%) | Unnamed event |
| Sep 15, 2018 | 30 hrs | 12,740 (12%) | Unnamed event |
| Jul 28, 2020 | 1 hrs | 10,146 (9%) | Unnamed event |
Over the 12 years from 2014 to 2025, Florence County recorded 804 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Florence County started October 8, 2016 (Hurricane Matthew), lasting 164 hours and leaving up to 48,077 customers without power (45% of the county) at its peak.
July has historically been the worst month for outages in Florence County, with 118 events recorded during that month across the dataset.
Based on this history, Florence County earns a Reliability Grade of C, placing it in the 41st 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 Florence County.
| County | Grade | National percentile |
|---|---|---|
| Allendale County | C | 40th |
| Chesterfield County | C | 42nd |
| Colleton County | D | 38th |
| Chester County | D | 36th |
| Hampton County | D | 35th |
FAQ
How often does power go out in Florence County?
Between 2014 and 2025, Florence County recorded 804 outage events, averaging 2.1 hours each.
What is Florence County's reliability grade?
Florence County has a Reliability Grade of C, in the 41st national percentile.
What was the worst power outage in Florence County?
The worst outage on record started October 8, 2016 (Hurricane Matthew), lasting 164 hours and affecting up to 48,077 customers.