Power Outages in Barnwell County, SC
No live outage feed is available for Barnwell County, SC yet — live coverage depends on local utilities reporting to ODIN. In 2025, the average customer here lost power for about 3.5 hours.
Barnwell County, SC is served by local tracked utilities.
Barnwell County's utilities do not report live data to ODIN, so real-time outage counts aren't available here. The historical record below is complete.
- Heat AdvisoryMODERATE
Barnwell County has been under 31 National Weather Service alerts recently — most recently a Heat Advisory on July 18, 2026.
- Severe Thunderstorm Warning ×10
- Special Weather Statement ×9
- Severe Thunderstorm Watch ×6
- Flash Flood Warning ×3
- Heat Advisory ×2
- Flood Advisory ×1
Hardest-hit cities in Barnwell County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Barnwell County went about 3.5 hours without power. Peak simultaneous outage on record reached 7,897 customers.
Worst year here was 2024 (peak 6,437 customers out) · decade average 7.3 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 275 | 2,044 | 0.3 |
| 2016 | 208 | 4,839 | 3.5 |
| 2017 | 456 | 5,426 | 5.3 |
| 2018 | 424 | 3,500 | 6.3 |
| 2019 | 267 | 2,874 | 4.1 |
| 2020 | 357 | 7,897 | 11.4 |
| 2021 | 382 | 2,047 | 2.0 |
| 2022 | 435 | 4,125 | 5.4 |
| 2023 | 536 | 3,835 | 3.5 |
| 2024 | 443 | 6,437 | 35.4 |
| 2025 | 515 | 3,838 | 3.5 |
Relatively Moderate hurricanes exposure · 7.3 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 Barnwell County: FAQ
- How often does Barnwell County, SC lose power?
- Based on EAGLE-I records, Barnwell County, SC logged 515 distinct outage events in 2025, averaging about 3.5 hours without power per customer over the year.
- What was the worst power outage in Barnwell County, SC?
- The largest tracked outage peaked at 7,897 customers without power, beginning April 13, 2020 and lasting about 2d 6h.
- Is there a power outage in Barnwell County, SC right now?
- No major outage is currently reported for Barnwell County, SC. Live coverage depends on whether local utilities report to ODIN.
Outages are tracked at the county level; these ZIP codes fall within Barnwell County.
29812, 29817, 29826, 29853
Machine-readable data: /api/v1/counties/45011 and /api/v1/counties/45011/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of South Carolina customers).