Power Outages in Barnwell County, SC
Dominion Energy South Carolina, Inc and Edisto Electric Coop, Inc publish only a system-wide total, not county figures. There is no live feed for Aiken Electric Coop Inc. In 2025, the average customer here lost power for about 3.5 hours.
Barnwell County, SC is served by 3 tracked utilities.
Cite this data
- URL
- https://massoutage.com/south-carolina/barnwell-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in Barnwell County, SC". https://massoutage.com/south-carolina/barnwell-county
Dominion Energy South Carolina, Inc and Edisto Electric Coop, Inc publish no county-level figures.
No live feed for Aiken Electric Coop Inc: outages in itsservice area won't show here.
0.0%of this county's ~30,599 customers are served by utilities with a county-level live feed.
We can't see outages for: Aiken Electric Coop Inc. Their customers are not in any number on this page; check their own outage maps.
System-wide total only, no county split: Dominion Energy South Carolina, Inc, Edisto Electric Coop, Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Dominion Energy South Carolina, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Edisto Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Aiken Electric Coop Inc | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Barnwell Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (3)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 29812 | 128 | ≤11 | 100 | ≤11 |
| 29853 | 80 | ≤11 | 59 | ≤11 |
| 29817 | 46 | ≤11 | 31 | ≤11 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Barnwell County or any town and utility in it.
- Lake Wind AdvisoryMODERATE
Barnwell County has been under 32 National Weather Service alerts recently, most recently a Lake Wind Advisory on October 17, 2026.
- Tornado Warning ×16
- Lake Wind Advisory ×7
- Tornado Watch ×3
- Dense Fog Advisory ×2
- Flood Watch ×2
- Special Weather Statement ×2
Latest Barnwell County, SC outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 1h 20m
- OUTAGE BEGAN
Outage began: 627 customers out (5.1% of the county)
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.
The US EIA reports South Carolina utilities averaged 2.5 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 3.5 hrs.
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 |
Cost of power in Barnwell County
ENERGY & AI DEMAND →Estimated residential electricity price for Barnwell County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- Dominion Energy South Carolina, Inc16.4¢712,679 cust
- Aiken Electric Coop Inc17.5¢50,850 cust
- Edisto Electric Coop, Inc19.0¢15,540 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.
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.
- Which utilities serve Barnwell County, SC?
- Tracked electric providers include Dominion Energy South Carolina, Inc, Edisto Electric Coop, Inc.
Outages are tracked at the county level; these ZIP codes fall within Barnwell County.
29812, 29817, 29826, 29853
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Dominion Energy South Carolina, Inc | 2.2 hrs | Live · total only | |
| Aiken Electric Coop Inc | 3.2 hrs | No live feed | - |
| Edisto Electric Coop, Inc | 3.9 hrs | Live · total only | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of South Carolina customers). Machine-readable data: /api/v1/counties/45011 and /api/v1/counties/45011/history.