Lexington 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 |
|---|---|---|---|
| Sep 27, 2024 | 256 hrs | 126,022 (34%) | Tropical Storm Helene |
| Jun 8, 2025 | 18 hrs | 55,567 (15%) | Thunderstorm Wind |
| Apr 15, 2018 | 32 hrs | 39,448 (11%) | Thunderstorm Wind |
| Jun 20, 2019 | 23 hrs | 30,997 (8%) | Thunderstorm Wind |
| Sep 11, 2017 | 53 hrs | 30,565 (8%) | Heavy Rain |
Over the 12 years from 2014 to 2025, Lexington County recorded 1,658 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Lexington County started September 27, 2024 (Tropical Storm Helene), lasting 256 hours and leaving up to 126,022 customers without power (34% of the county) at its peak.
August has historically been the worst month for outages in Lexington County, with 207 events recorded during that month across the dataset.
Based on this history, Lexington County earns a Reliability Grade of B, placing it in the 67th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Lexington County's outage profile
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Outage-prep kit
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Similar counties in South Carolina
Counties with the closest reliability grade and national percentile to Lexington County.
| County | Grade | National percentile |
|---|---|---|
| Lancaster County | B | 68th |
| Barnwell County | B | 68th |
| Beaufort County | B | 69th |
| Charleston County | B | 69th |
| Georgetown County | B | 72nd |
FAQ
How often does power go out in Lexington County?
Between 2014 and 2025, Lexington County recorded 1,658 outage events, averaging 2.0 hours each.
What is Lexington County's reliability grade?
Lexington County has a Reliability Grade of B, in the 67th national percentile.
What was the worst power outage in Lexington County?
The worst outage on record started September 27, 2024 (Tropical Storm Helene), lasting 256 hours and affecting up to 126,022 customers.