Power Outages in Dorchester County, SC
As of October 15, 2026 00:30 UTC, about 1 customers are without power in Dorchester County, SC across 1 reported incident. Berkeley Electric Coop Inc, Coastal Electric Coop, Inc, Dominion Energy South Carolina, Inc and Edisto Electric Coop, Inc publish only a system-wide total, not county figures. In 2025, the average customer here lost power for about 2.8 hours.
Dorchester County, SC is served by 4 tracked utilities.
Cite this data
- URL
- https://massoutage.com/south-carolina/dorchester-county
- As of
- October 15, 2026 00:30 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Dorchester County, SC", live data as of October 15, 2026 00:30 UTC. https://massoutage.com/south-carolina/dorchester-county
0.0%of this county's ~179,314 customers are served by utilities with a county-level live feed.
System-wide total only, no county split: Berkeley Electric Coop Inc, Coastal Electric Coop, Inc, Dominion Energy South Carolina, Inc, Edisto Electric Coop, Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Berkeley Electric Coop Inc | Live · total only | not by county | - | - | - | - | - | - |
| Coastal Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Dominion Energy South Carolina, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Edisto Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Dorchester 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 (7)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 29485 | 376 | 14 | 252 | 14 |
| 29420 | 106 | ≤11 | 64 | ≤11 |
| 29477 | 94 | ≤11 | 70 | ≤11 |
| 29472 | 94 | ≤11 | 72 | 0 |
| 29448 | 22 | 0 | 15 | 0 |
| 29437 | 21 | ≤11 | 18 | 0 |
| 29471 | 12 | 0 | ≤11 | 0 |
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 Dorchester County or any town and utility in it.
No active NWS alerts for Dorchester County right now.
Dorchester County has been under 17 National Weather Service alerts recently, most recently a Tornado Watch on October 10, 2026.
- Flood Watch ×5
- Tornado Watch ×5
- Special Weather Statement ×4
- Flood Advisory ×2
- Dense Fog Advisory ×1
Latest Dorchester County, SC outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 3h 4m
- OUTAGE BEGAN
Outage began: 692 customers out (0.8% of the county)
- RESOLVED
Power restored after 45m
- RESTORATION ETA
Restoration now estimated October 3, 2026
- RESTORATION ETA
Restoration now estimated October 3, 2026
- OUTAGE BEGAN
Outage began: 651 customers out (0.8% of the county)
- RESOLVED
Power restored after 1h 15m
- RESTORATION ETA
Restoration now estimated September 22, 2026
Hardest-hit cities in Dorchester County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Dorchester Countyisn't available yet.
Historical reliability
In 2025, the average customer in Dorchester County went about 2.8 hours without power. Peak simultaneous outage on record reached 50,197 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 2.8 hrs.
Worst year here was 2016 (peak 50,197 customers out) · decade average 5.4 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 800 | 4,906 | 1.0 |
| 2016 | 665 | 50,197 | 19.2 |
| 2017 | 931 | 16,079 | 2.9 |
| 2018 | 943 | 14,421 | 2.1 |
| 2019 | 831 | 41,166 | 11.2 |
| 2020 | 791 | 13,943 | 2.7 |
| 2021 | 787 | 8,702 | 1.4 |
| 2022 | 827 | 25,331 | 4.2 |
| 2023 | 1,035 | 24,222 | 2.4 |
| 2024 | 955 | 23,470 | 9.1 |
| 2025 | 982 | 12,386 | 2.8 |
Cost of power in Dorchester County
ENERGY & AI DEMAND →Estimated residential electricity price for Dorchester 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
- Berkeley Electric Coop Inc16.3¢119,545 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 High hurricanes exposure · 5.4 hrs/yr of outages over the last decade.
Power outages in Dorchester County: FAQ
- How often does Dorchester County, SC lose power?
- Based on EAGLE-I records, Dorchester County, SC logged 982 distinct outage events in 2025, averaging about 2.8 hours without power per customer over the year.
- What was the worst power outage in Dorchester County, SC?
- The largest tracked outage peaked at 50,197 customers without power, beginning October 8, 2016 and lasting about 5d 11h.
- Is there a power outage in Dorchester County, SC right now?
- Yes, about 1 customers are currently without power across 1 reported incident(s).
- Which utilities serve Dorchester County, SC?
- Tracked electric providers include Berkeley Electric Coop Inc, Coastal Electric Coop, Inc, Dominion Energy South Carolina, Inc, Edisto Electric Coop, Inc.
Summerville. Outage counts for these communities are reported at the Dorchester County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Dorchester County.
29420, 29437, 29448, 29471, 29472, 29477, 29483, 29485
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 | |
| Edisto Electric Coop, Inc | 3.9 hrs | Live · total only | - |
| Berkeley Electric Coop Inc | 1.9 hrs | Live · total only | - |
| Coastal Electric Coop, Inc | - | 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/45035 and /api/v1/counties/45035/history. Live data as of .