Power Outages in Williamsburg County, SC
As of the latest utility report, no major power outages are reported in Williamsburg County, SC. In 2025, the average customer here lost power for about 3.5 hours.
Williamsburg County, SC is served by 1 tracked utility.
No active power outages are currently reported in Williamsburg County.
- Heat AdvisoryMODERATE
Williamsburg County has been under 21 National Weather Service alerts recently — most recently a Heat Advisory on July 18, 2026.
- Special Weather Statement ×8
- Severe Thunderstorm Warning ×7
- Heat Advisory ×4
- Flood Advisory ×1
- Severe Thunderstorm Watch ×1
Hardest-hit cities in Williamsburg County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Williamsburg County went about 3.5 hours without power. Peak simultaneous outage on record reached 7,036 customers.
Worst year here was 2016 (peak 6,579 customers out) · decade average 6.4 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 355 | 4,203 | 2.0 |
| 2016 | 353 | 6,579 | 27.7 |
| 2017 | 588 | 5,092 | 3.8 |
| 2018 | 786 | 4,505 | 4.0 |
| 2019 | 659 | 3,456 | 5.5 |
| 2020 | 656 | 1,881 | 2.1 |
| 2021 | 733 | 2,732 | 2.3 |
| 2022 | 701 | 7,036 | 8.6 |
| 2023 | 717 | 5,856 | 3.5 |
| 2024 | 568 | 6,613 | 7.5 |
| 2025 | 780 | 5,067 | 3.5 |
Relatively High hurricanes exposure · 6.4 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability very high — outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Williamsburg County: FAQ
- How often does Williamsburg County, SC lose power?
- Based on EAGLE-I records, Williamsburg County, SC logged 780 distinct outage events in 2025, averaging about 3.5 hours without power per customer over the year.
- What was the worst power outage in Williamsburg County, SC?
- The largest tracked outage peaked at 7,036 customers without power, beginning September 30, 2022 and lasting about 2d 16h.
- Is there a power outage in Williamsburg County, SC right now?
- No major outage is currently reported for Williamsburg County, SC. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Williamsburg County, SC?
- Tracked electric providers include Duke Energy.
Outages are tracked at the county level; these ZIP codes fall within Williamsburg County.
29056, 29510, 29518, 29556, 29564, 29580, 29590
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Duke Energy | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/45089 and /api/v1/counties/45089/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of South Carolina customers).