State

South Carolina

Who serves its customers, 2025

Who serves its customers, 2025
Kind of utility	Customers	Share of customers
Investor owned	1,694,976	55.7%
Cooperative	906,677	29.8%
Public (municipal, state, federal, and districts)	352,812	11.6%
Other	87,840	2.9%

Customers of full-service and energy-only providers, as EIA counts them; delivery-only customers are the same people, so they are not counted twice.

U.S. Energy Information Administration · Annual Electric Power Industry Report (Form EIA-861) · data for 2025 · as of Oct 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Average price by sector, 2025

Average price by sector, 2025
Sector	Average price (cents per kWh)
Residential	15.12
Commercial	11.18
Industrial	7.26

Revenue from every kind of service over sales counted once, as EIA computes its state averages.

Capacity and generation by fuel

Capacity and generation by fuel
Fuel	Capacity	Net generation in 2025
Natural gas	7,964.4 MW	22,658,667 MWh
Nuclear	6,875.1 MW	56,670,524 MWh
Bituminous coal	5,158.8 MW	18,177,808 MWh
Hydro	4,389.8 MW	1,499,241 MWh
Solar	1,956.2 MW	3,226,354 MWh
Distillate fuel oil	296.6 MW	101,369 MWh
Wood	250.3 MW	736,909 MWh
BLQ	201.6 MW	790,442 MWh
Batteries	88 MW	-1,809 MWh
Landfill gas	39.1 MW	61,828 MWh
Petroleum coke		0 MWh
WO		10,550 MWh
RC		0 MWh
JF		0 MWh
Residual fuel oil		4,070 MWh
TDF		7,036 MWh
ANT		0 MWh

Balancing authorities serving it: CPLE, DUK, SC, SCEG.

U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Interconnection queue, as of the end of 2025

Interconnection queue, as of the end of 2025
Type	Active capacity (MW)	Projects
Solar	6,902	103
Storage	2,227	19
Gas	8,541	49
Hybrid	1,433	12
Other	736	11

Requests still active in an interconnection queue at the end of 2025. Most never get built. Credit: Lawrence Berkeley National Laboratory and GridTracker.

Lawrence Berkeley National Laboratory and GridTracker · Queued Up: Interconnection Queue Data File (Lawrence Berkeley National Laboratory) · data for 2025 · as of May 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Utilities

Utilities
Utility	Ownership, as EIA reports it	Customers	Sales (MWh)
Dominion Energy South Carolina, Inc	Investor Owned	824,270	21,771,302
Duke Energy Carolinas, LLC	Investor Owned	687,542	21,635,887
South Carolina Public Service Authority	State	219,897	10,275,836
Duke Energy Progress - (NC)	Investor Owned	176,825	5,864,506
Berkeley Electric Coop Inc	Cooperative	138,073	5,436,124
Horry Electric Coop Inc	Cooperative	103,949	1,447,201
Palmetto Electric Coop Inc	Cooperative	81,863	1,579,368
Adjustment 2025		80,738	1,515,928
Blue Ridge Electric Coop Inc - (SC)	Cooperative	74,014	1,182,397
York Electric Coop Inc	Cooperative	71,522	1,205,649
Laurens Electric Coop, Inc	Cooperative	66,192	1,178,479
Mid-Carolina Electric Coop Inc	Cooperative	61,196	1,057,452
Aiken Electric Coop Inc	Cooperative	54,255	1,043,438
Santee Electric Coop, Inc	Cooperative	45,110	1,163,030
City of Rock Hill - (SC)	Municipal	40,729	860,434
MPD Electric Cooperative	Cooperative	38,905	1,540,683
Black River Electric Coop, Inc - (SC)	Cooperative	35,116	737,329
Fairfield Electric Coop, Inc	Cooperative	34,912	680,423
Greer Commission of Public Wks	Municipal	27,612	450,244
Broad River Electric Coop, Inc	Cooperative	24,862	440,359
City of Orangeburg - (SC)	Municipal	24,572	710,918
Lynches River Elec Coop, Inc	Cooperative	22,721	483,000
Edisto Electric Coop, Inc	Cooperative	21,495	369,999
Tri-County Electric Coop, Inc (SC)	Cooperative	18,488	307,209
Easley Combined Utility System	Municipal	17,674	307,370
Greenwood CPW	Municipal	14,679	284,558
Newberry Electric Coop, Inc	Cooperative	13,990	431,499
City of Gaffney - (SC)	Municipal	7,649	212,557
Sunrun Inc.	Behind the Meter	7,102	64,330
Lockhart Power Co	Investor Owned	6,339	717,423
Haywood Electric Member Corp	Cooperative	14	122
Sunnova	Behind the Meter	0	0

A utility with too few reported figures for its own page is listed here with what it reported.

Power plants (243)

Power plants in South Carolina, largest first
Plant	County	Nameplate capacity	Operator
Oconee	Oconee	2,666.7 MW	Duke Energy Carolinas, LLC
Cross	Berkeley	2,451.5 MW	South Carolina Public Service Authority
Catawba	York	2,410.2 MW	Duke Energy Carolinas, LLC
Bad Creek	Oconee	1,680 MW	Duke Energy Carolinas, LLC
Winyah	Georgetown	1,275.8 MW	South Carolina Public Service Authority
John S Rainey	Anderson	1,154.3 MW	South Carolina Public Service Authority
Jasper	Jasper	1,068.2 MW	Dominion Energy South Carolina, Inc
V C Summer	Fairfield	1,029.6 MW	Dominion Energy South Carolina, Inc
Broad River Energy Center	Cherokee	985 MW	Broad River Energy LLC
W S Lee	Anderson	954.7 MW	Duke Energy Carolinas, LLC
Mill Creek (SC)	Cherokee	799.2 MW	Duke Energy Carolinas, LLC
Jocassee	Pickens	774 MW	Duke Energy Carolinas, LLC
Wateree	Richland	771.8 MW	Dominion Energy South Carolina, Inc
H B Robinson	Darlington	768.6 MW	Duke Energy Progress - (NC)
Urquhart	Aiken	758.9 MW	Dominion Energy South Carolina, Inc
Columbia Energy Center (SC)	Calhoun	668.5 MW	Dominion Energy South Carolina, Inc
Williams	Berkeley	659.7 MW	South Carolina Genertg Co, Inc
Fairfield Pumped Storage	Fairfield	587.2 MW	Dominion Energy South Carolina, Inc
Cope	Orangeburg	417.3 MW	Dominion Energy South Carolina, Inc
J Strom Thurmond	McCormick	361.9 MW	USCE-Savannah District
Darlington County	Darlington	316 MW	Duke Energy Progress - (NC)
McMeekin	Lexington	293.6 MW	Dominion Energy South Carolina, Inc
Saluda Lexington	Lexington	207.3 MW	Dominion Energy South Carolina, Inc
Hagood	Charleston	177.3 MW	Dominion Energy South Carolina, Inc
Keowee	Pickens	157.6 MW	Duke Energy Carolinas, LLC
Jefferies	Berkeley	145.2 MW	South Carolina Public Service Authority
Lone Star Solar	Calhoun	132 MW	Lone Star Solar
Parr GT	Fairfield	130.8 MW	Dominion Energy South Carolina, Inc
Hilton Head	Beaufort	117.9 MW	South Carolina Public Service Authority
Cherokee County Cogen	Cherokee	117.7 MW	Cherokee County Cogen Partners LLC
Myrtle Beach	Horry	111.5 MW	South Carolina Public Service Authority
Sylvamo Corporation Eastover Facility	Richland	109.6 MW	Sylvamo Corporation - Eastover
SR Lambert I, LLC	Georgetown	100 MW	SR Lambert I, LLC
SR Lambert II	Georgetown	100 MW	SR Lambert II, LLC
International Paper Georgetown Mill	Georgetown	95.6 MW	International Paper Co-GT Mill
Eastover Solar	Richland	91.6 MW	Eastover Solar, LLC
Florence Mill	Florence	91.5 MW	WestRock-Florence
Wateree Hydro	Kershaw	90.5 MW	Duke Energy Carolinas, LLC
St Stephen	Berkeley	84 MW	US Army Corps of Engineers
Allora Solar, LLC	Lexington	75 MW	Allora Solar, LLC
Catalina Solar (SC)	Saluda	75 MW	Catalina Solar, LLC
Centerfield Cooper Solar, LLC	Chesterfield	75 MW	SunStrong Management
Gunsight Solar, LLC	Lexington	75 MW	Gunsight Solar, LLC
Huntley	Orangeburg	75 MW	Cubico USA, LLC
Palmetto Plains	Orangeburg	75 MW	Cubico USA, LLC
TWE Bowman Solar Project	Orangeburg	75 MW	SunStrong Management
Beulah Solar	Saluda	74.9 MW	SunStrong Management
Shaw Creek Solar, LLC	Aiken	74.9 MW	Shaw Creek Solar
Seabrook Solar	Beaufort	72.5 MW	Dominion Energy Inc.
Midlands	Calhoun	72.1 MW	Cubico USA, LLC
Moffett Solar Project	Jasper	71.4 MW	Dominion Renewable Energy
Lily Solar	Allendale	70 MW	X-Elio North America Inc
Bushy Park Combustion Turbine Facility	Berkeley	65.4 MW	Dominion Energy South Carolina, Inc
Wylie	York	60 MW	Duke Energy Carolinas, LLC
Landrace Holdings, LLC	Horry	55 MW	Landrace Holdings, LLC
Marlboro Mill	Marlboro	51.4 MW	Domtar Paper Company Bennettsville
Cedar Creek (SC)	Lancaster	45 MW	Duke Energy Carolinas, LLC
Dearborn	Chester	45 MW	Duke Energy Carolinas, LLC
Fishing Creek	Chester	42.3 MW	Duke Energy Carolinas, LLC
Sonoco Products Co	Darlington	40.5 MW	Sonoco Products Co
Peony Solar	Orangeburg	39 MW	SunStrong Management
Allendale Biomass	Allendale	22.5 MW	Allendale Biomass LLC
Dorchester Biomass	Dorchester	22.5 MW	Dorchester Biomass LLC
Savannah River Site Biomass Cogen	Aiken	20.8 MW	Ameresco
Bishopville Solar, LLC	Lee	20 MW	Headwater Energy, LLC
Blackville Solar II	Barnwell	20 MW	DP-C2 Episode 1 LLC
Cameron Solar	Calhoun	20 MW	Cameron Solar, LLC
Estill Solar	Hampton	20 MW	Estill Solar I, LLC
Hampton Solar 2	Hampton	20 MW	Hampton Solar II, LLC
Pinson Solar Farm	Spartanburg	20 MW	Cardinal Renewables
Camden South Carolina	Kershaw	19 MW	Invista
Lockhart	Union	18 MW	Lockhart Power Co
MCRD Parris Island PV Hybrid	Beaufort	17 MW	Ameresco Federal Solutions
Parr Hydro	Fairfield	15 MW	Dominion Energy South Carolina, Inc
North Road Peak	Orangeburg	14 MW	City of Orangeburg - (SC)
Duke Energy CHP at Clemson University	Pickens	13.4 MW	Duke Energy Carolinas, LLC
Midway Green Solar	Union	12.8 MW	Midway Green Solar, LLC
99 Islands	Cherokee	12 MW	Duke Energy Carolinas, LLC
Great Falls (SC)	Chester	12 MW	Duke Energy Carolinas, LLC
Trask East Solar	Beaufort	12 MW	Dominion Renewable Energy
BMW Manufacturing Co	Spartanburg	11.1 MW	BMW Manufacturing Co LLC
Champion Solar	Lexington	10.8 MW	SunStrong Management
Swamp Fox Solar	Lexington	10.8 MW	SunStrong Management
Columbia Canal Hydro	Richland	10.6 MW	City of Columbia - (SC)
Estill Solar II	Allendale	10.2 MW	Cypress Creek Renewables
Gaston Solar I - SC	Lexington	10.2 MW	Cypress Creek Renewables
Southern Current One, LLC	Allendale	10.2 MW	SunStrong Management
St. Matthews Solar	Calhoun	10.2 MW	SunStrong Management
Bishopville Solar II, LLC	Lee	10 MW	Bishopville Solar II, LLC
Cherry Blossom Solar LLC	Williamsburg	10 MW	CBH Lessor LLC
Darlington Solar, LLC	Darlington	10 MW	SunStrong Management
Ebbie Solar, LLC	Marion	10 MW	Headwater Energy, LLC
Rankin Solar Center, LLC	Florence	10 MW	SunStrong Management
Ridgeland Solar Project	Jasper	10 MW	Dominion Renewable Energy
Seneca City of	Oconee	10 MW	City of Seneca - (SC)
Sunflower Solar LLC	Williamsburg	10 MW	SolRiver Capital LLC
Whitetail Solar	Dillon	10 MW	SolRiver Capital LLC
Yemassee Solar	Beaufort	10 MW	Dominion Renewable Energy
Rowesville Rd Plant	Orangeburg	9.6 MW	City of Orangeburg - (SC)
Richland County Landfill	Richland	8.9 MW	South Carolina Public Service Authority
Shorthorn Holdings	Marlboro	8.9 MW	SolRiver Capital LLC
Diamond Solar	Lexington	8.2 MW	DP-C2 Episode 1 LLC
Haley Solar	Allendale	8.2 MW	SunStrong Management
Jefferson Solar (SC)	Darlington	8.2 MW	Jefferson Solar
Odyssey Solar	Lexington	8.2 MW	SunStrong Management
SCE&G Nimitz CSG	Jasper	8 MW	Cypress Creek Renewables
Gaston II	Lexington	7.5 MW	Cypress Creek Renewables
Blackville Solar Farm, LLC	Barnwell	7.2 MW	Dominion Energy Inc.
City West Diesel Plant	Union	7.2 MW	Lockhart Power Co
Cardinal Solar LLC	Marion	7 MW	Cardinal Solar LLC
Hampton Solar I	Hampton	6.8 MW	SunStrong Management
Saluda Solar, LLC	Saluda	6.8 MW	Cypress Creek Renewables
Ware Shoals Hydro Project	Laurens	6.2 MW	Central Rivers Power US, LLC
SCE&G Springfield CSG	Orangeburg	6.1 MW	Cypress Creek Renewables
Denmark Solar	Bamberg	6 MW	Dominion Renewable Energy
Omtanke Solar	Berkeley	6 MW	DG South Carolina Solar, LLC
Webb Forging	Union	5.8 MW	Central Electric Power
Lee County Landfill	Lee	5.7 MW	South Carolina Public Service Authority
Central Energy Facility	Pickens	5.5 MW	Clemson University - Main Campus
Barnwell Solar	Barnwell	5.4 MW	SunStrong Management
Pacolet Diesel Generation Facility	Spartanburg	5.4 MW	Lockhart Power Co
Gaston Shoals	Cherokee	5.3 MW	Northbrook Carolina Hydro II, LLC
Spartanburg Water System	Spartanburg	5.3 MW	Spartanburg Commissioners PW
Freedom Solar	Dillon	5 MW	SunStrong Management
Mohea Solar Energy Center, LLC	Cherokee	5 MW	SunStrong Management
Edison Solar	Barnwell	4.8 MW	DP-C2 Episode 1 LLC
Neal Shoals	Union	4.4 MW	Dominion Energy South Carolina, Inc
Cherokee Falls	Cherokee	4.3 MW	Hydroland Omega LLC
Horry Land Fill Gas Site	Horry	4.2 MW	South Carolina Public Service Authority
Cameron Solar II	Calhoun	4.1 MW	SunStrong Management
Central Plant	GREENVILLE	4.1 MW	Bob Jones University
Hollidays Bridge Hydro	Anderson	4 MW	Northbrook Carolina Hydro LLC
Rocky River (SC)	Anderson	3.9 MW	City of Abbeville - (SC)
Limelight Solar III, LLC	Spartanburg	3.6 MW	Limelight Solar III, LLC
Richardson Solar	Barnwell	3.6 MW	DP-C2 Episode 1 LLC
Saluda Solar II	Saluda	3.4 MW	SunStrong Management
Hecate Energy West Newberry, LLC	Newberry	3.3 MW	Hecate Energy West Newberry, LLC
Pelzer Lower	Anderson	3.3 MW	Central Rivers Power US, LLC
Berkeley County Landfill	Berkeley	3.2 MW	South Carolina Public Service Authority
Union Renewable Energy Facility	Union	3.2 MW	Lockhart Power Co
Bluebird Solar SC LLC	Anderson	3 MW	Bluebird Solar LLC
Crown	Lancaster	3 MW	Crown Solar Center, LLC
Honea Path	Abbeville	2.9 MW	Central Electric Power
Sediver	York	2.9 MW	Central Electric Power
Thermal Kem	York	2.9 MW	Central Electric Power
Valenite	Oconee	2.9 MW	Central Electric Power
Hickson Solar, LLC	Marlboro	2.8 MW	Hickson Solar, LLC
Colleton Solar Farm	Colleton	2.5 MW	TIG Sun Energy I LLC
Saluda Dam	Greenville	2.4 MW	Northbrook Carolina Hydro LLC
1634 Solar	Darlington	2 MW	1634 Solar, LLC
Abbot Solar	Clarendon	2 MW	Altus Power America Management, LLC
Adams	Anderson	2 MW	Adams Solar SC, LLC
AGA TAG Solar III LLC	Spartanburg	2 MW	AGA TAG Solar III LLC
Anderson (SC)	Anderson	2 MW	Anderson Solar Farm, LLC
Ashley Solar (SC)	Darlington	2 MW	Ashley Solar (SC)
Atood II	Spartanburg	2 MW	Cypress Creek Renewables
ATOOD Solar III LLC	Spartanburg	2 MW	ATOOD Solar III LLC
Augusta Solar	Greenwood	2 MW	Augusta Solar, LLC
Ballenger Road Solar A	Spartanburg	2 MW	Ballenger Road Solar A
Bani Solar	Florence	2 MW	Bani Solar, LLC
Berry Road Solar	Greenville	2 MW	RPSC Solar 3, LLC
Birch Solar (SC)	Darlington	2 MW	Headwater Energy, LLC
Blacktip Solar	Florence	2 MW	Altus Power America Management, LLC
Bloom Solar	Clarendon	2 MW	Altus Power America Management, LLC
Bond Solar	Clarendon	2 MW	Altus Power America Management, LLC
Bonefish Solar	Clarendon	2 MW	Bonefish Solar, LLC
Briarwood	Greenwood	2 MW	Briarwood Solar, LLC
Bryant Road Solar	Spartanburg	2 MW	JSD Flatwood PV-1, LLC
Bull Street Plant	Orangeburg	2 MW	City of Orangeburg - (SC)
Chapman Solar	Darlington	2 MW	Headwater Energy, LLC
Gaines Solar	Lee	2 MW	Gaines Solar
Gary Solar	Lee	2 MW	Altus Power America Management, LLC
Goldenrod Solar	Florence	2 MW	Altus Power America Management, LLC
Limelight Solar I, LLC	Spartanburg	2 MW	Limelight Solar I, LLC
Limelight Solar II LLC	Spartanburg	2 MW	Limelight Solar II LLC
Magdaline Solar, LLC	Lee	2 MW	Magdaline Solar, LLC
Marshall Solar	Darlington	2 MW	Marshall Solar
Ogburn Solar, LLC	Chesterfield	2 MW	Ogburn Solar, LLC
Pelzer Upper	Anderson	2 MW	Central Rivers Power US, LLC
Redwing Solar	Darlington	2 MW	Altus Power America Management, LLC
River Solar	Lee	2 MW	Altus Power America Management, LLC
Runway Solar Farm	Horry	2 MW	Runway Solar Farm
Sapphire Solar	Florence	2 MW	Altus Power America Management, LLC
SCE&G Curie CSG	Hampton	2 MW	Cypress Creek Renewables
South Solar	Florence	2 MW	Altus Power America Management, LLC
Spillway	Berkeley	2 MW	South Carolina Public Service Authority
Stamey Solar	Darlington	2 MW	Headwater Energy, LLC
Substation 20 Plant	Orangeburg	2 MW	City of Orangeburg - (SC)
Tedder Solar	Darlington	2 MW	Tedder Solar
Thomas Solar	Lee	2 MW	Headwater Energy, LLC
Vincent Solar	Lee	2 MW	Altus Power America Management, LLC
Washington Solar (SC)	Marion	2 MW	Headwater Energy, LLC
Washington Solar II (SC)	Marion	2 MW	Washington Solar II (SC)
Watauga Solar	Darlington	2 MW	Altus Power America Management, LLC
Weaver Solar	Lee	2 MW	Weaver Solar
White Horse Solar A	Greenville	2 MW	White Horse Solar A
Whitehall Solar LLC	Florence	2 MW	SolRiver Capital LLC
Whitt Solar	Anderson	2 MW	Altus Power America Management, LLC
Willis Solar	Florence	2 MW	Altus Power America Management, LLC
Woodfields Solar	Greenwood	2 MW	Woodfields Solar, LLC
Jessamine Solar	Marion	1.9 MW	Altus Power America Management, LLC
Bell Bay Solar Farm	Horry	1.6 MW	Bell Bay Solar Farm
Otarre Solar Park	Lexington	1.6 MW	TIG Sun Energy IV, LLC
Wellford Renewable Energy Plant	Spartanburg	1.6 MW	Lockhart Power Co
Gold Mine	Greenwood	1.5 MW	Gold Mine Solar, LLC
Boyds Mill Hydro	Greenville	1.4 MW	Northbrook Carolina Hydro LLC
Georgetown LFGTE	Georgetown	1.3 MW	South Carolina Public Service Authority
Clifton Dam 3 Power Station	Spartanburg	1.2 MW	Converse Energy Inc
Jamison Solar Farm	Orangeburg	1.2 MW	Jamison Solar Farm
Luz Solar	Darlington	1.1 MW	Luz Solar
Upper Pacolet Hydro	Spartanburg	1.1 MW	Lockhart Power Co
Ace Solar	Anderson	1 MW	Altus Power America Management, LLC
Otis Elevator Company Solar	Florence	1 MW	Otis Elevator Company
Pelzer Solar I	Anderson	1 MW	Altus Power America Management, LLC
Piedmont Hydro Power Project	Greenville	1 MW	Central Rivers Power US, LLC
B & K Solar	Darlington	0 MW	B & K Solar
Beaverdam Renewable Energy Center	Laurens	0 MW	Duke Energy Carolinas, LLC
Big Fork Solar	Barnwell	0 MW	Big Fork Solar
Bush River Solar Plant	Laurens	0 MW	Duke Energy Carolinas, LLC
Colleton Solar	Colleton	0 MW	Colleton Solar
Cotton Solar	Dillon	0 MW	Cotton Solar, LLC
Crossroads Solar	Barnwell	0 MW	Crossroads Solar
Culpepper Solar	Darlington	0 MW	Culpepper Solar
GEB Solar	Darlington	0 MW	GEB Solar
Holliday Solar I	Horry	0 MW	Holliday Solar I
Hudson Place Solar Plant	Newberry	0 MW	Duke Energy Carolinas, LLC
Juniper Solar	Chesterfield	0 MW	Juniper Solar
Kingstree East 230 Solar Project	Georgetown	0 MW	Kingstree East 230 LLC
Kingstree West 115	Williamsburg	0 MW	Kingstree West 115 LLC
Longtown Energy Storage	Fairfield	0 MW	Duke Energy Carolinas, LLC
Lotus Solar	Darlington	0 MW	Lotus Solar LLC
Melsam Solar	Dillon	0 MW	Melsam Solar
Pinopolis BESS	Berkeley	0 MW	Pinopolis BESS LLC
Pruger Solar II	Marion	0 MW	Headwater Energy, LLC
Quest Solar	Allendale	0 MW	Quest Solar
Rhubarb One SC	Marion	0 MW	SolRiver Capital LLC
Robinson Solar Plant	Chesterfield	0 MW	Duke Energy Carolinas, LLC
Rollins Solar	Darlington	0 MW	Rollins Solar
Ross Solar	Darlington	0 MW	Ross Solar
Shining Sun Solar	Orangeburg	0 MW	Shining Sun Solar
Shorthorn Solar	Lee	0 MW	Shorthorn Solar
SR Cordova	Orangeburg	0 MW	SR Cordova, LLC
SR Georgetown	Georgetown	0 MW	SR Georgetown. LLC