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Electric companies in South Carolina

47 electric utilities serve South Carolina, according to US EIA-861 service-territory filings and live outage feeds. The largest by customers is Dominion Energy South Carolina, Inc, with about 824,270 customers in South Carolina (US EIA-861, 2025).

Territory is filed by county, so a county can list several utilities; usually only one serves a given address, and your electric bill names it.

Find yours by ZIP code

Every electric utility in South Carolina

Largest first, by customers on its lines in South Carolina (US EIA-861, 2025). “Live” is whether MassOutage can see its outages.

UtilityTypeCustomersCountiesLiveReport an outage
Dominion Energy South Carolina, IncInvestor Owned824,27024Live · countyOutage map ↗
Duke Energy Carolinas, LLCInvestor Owned687,54219Live · county-
South Carolina Public Service AuthorityState219,8973Live · county-
Duke Energy Progress - (NC)Investor Owned176,82513Live · county-
Berkeley Electric Coop IncCooperative138,0733Live · county-
Horry Electric Coop IncCooperative103,9491Live · county-
Palmetto Electric Coop IncCooperative81,8634Live · county-
Blue Ridge Electric Coop Inc - (SC)Cooperative74,0145Live · county-
York Electric Coop IncCooperative71,5224No live feed-
Laurens Electric Coop, IncCooperative66,1927No live feed-
Mid-Carolina Electric Coop IncCooperative61,1965Live · county-
Aiken Electric Coop IncCooperative54,2559No live feed-
Santee Electric Coop, IncCooperative45,1104Live · county-
City of Rock Hill - (SC)Municipal40,7291No live feed-
MPD Electric CooperativeCooperative38,9057Live · county-
Black River Electric Coop, Inc - (SC)Cooperative35,1164Live · county-
Fairfield Electric Coop, IncCooperative34,9126Live · county-
Greer Commission of Public WksMunicipal27,6122Live · county-
Broad River Electric Coop, IncCooperative24,8625Live · county-
City of Orangeburg - (SC)Municipal24,5721No live feed-
Lynches River Elec Coop, IncCooperative22,7213Live · county-
Edisto Electric Coop, IncCooperative21,4958Live · county-
Tri-County Electric Coop, Inc (SC)Cooperative18,4886No live feed-
Easley Combined Utility SystemMunicipal17,6741Live · county-
Little River Electric Coop Inc-15,5814No live feed-
Greenwood CPWMunicipal14,6791No live feed-
Newberry Electric Coop, IncCooperative13,9904No live feed-
Coastal Electric Coop, IncCooperative12,3373Live · county-
City of Camden-11,7603No live feed-
City of Seneca - (SC)Municipal8,2941No live feed-
City of Gaffney - (SC)Municipal7,6491Live · county-
City of Union - (SC)-6,9851No live feed-
Lockhart Power Co-6,3395No live feed-
City of Laurens - (SC)Municipal5,5121Live · county-
City of Newberry - (SC)-5,4581No live feed-
City of Georgetown - (SC)-5,2411No live feed-
City of Bennettsville - (SC)-4,7721No live feed-
Clinton Combined Utility SysMunicipal4,5041No live feed-
City of Abbeville - (SC)-3,5631No live feed-
Town of Winnsboro - (SC)-3,1611No live feed-
Bamberg Board of Public WorksMunicipal1,7831No live feed-
City of Westminster - (SC)-1,5321No live feed-
Town of McCormick - (SC)-1,0661No live feed-
Town of Prosperity - (SC)-8491No live feed-
City of Due West - (SC)-4961No live feed-
Haywood Electric Member CorpCooperative141Live · county-
Duke Energy--21No live feed-

Electric utilities by county

Each county's utilities, largest in the state first. The county name opens its live outage page.

Electric companies in South Carolina: FAQ

How many electric companies serve South Carolina?
47 electric utilities serve South Carolina, according to US EIA-861 service-territory filings and live outage feeds.
What is the largest electric company in South Carolina?
Dominion Energy South Carolina, Inc, with about 824,270 customers in South Carolina (US EIA-861, 2025).
Which electric company serves my address in South Carolina?
Your electric bill names it. Service territory is filed by county, so MassOutage lists the utilities serving each South Carolina county; usually only one of them serves a given address, and a utility can tell you whether it serves yours.
Who do I call to report a power outage in South Carolina?
Your electric utility. MassOutage has an outage phone line, report page or outage map on file for 1 of the 47 utilities serving South Carolina, listed above; for the others, check your bill or the utility's website. For a downed power line, stay at least 35 feet away and call 911.

Live power outages in South Carolina →

Data from EIA Form 861 (utility reliability), every source we read. Service territory and customer counts are each utility's own EIA-861 filing; a utility a live outage feed has reported in a county is listed there too.