Electric Consumer

Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861, EIA retail sales, EIA-860/923, EPA eGRID, Census ACS · How we got these numbers · Report an error

South Carolina electric companies, rates and outages

EIA counts 26 utilities in South Carolina, serving 2,998,873 accounts for a population of 5,212,774.

Oconee Nuclear Station reactor buildings near Seneca, South Carolina
Oconee Nuclear Station, Seneca (Oconee County, South Carolina). Photo by KudzuVine, CC BY-SA 3.0, Wikimedia Commons. Illustrative, not a listed utility's plant.

In 2025 South Carolina homes paid 14.96 ¢/kWh: rank 31 of 51, 13.5% below the U.S. average of 17.30 ¢ (2024: 14.23 ¢).

Calculators for South Carolina

How it compares

South Carolina prices
Customer sector2024GapRank
Residential14.23 ¢/kWh-13.7% against the U.S.30 of 511 is highest
Commercial10.64 ¢/kWh-16.5% against the U.S.33 of 511 is highest
Industrial6.84 ¢/kWh-15.9% against the U.S.41 of 511 is highest

Electric companies in South Carolina

South Carolina home prices, 2024; lowest filled.

South Carolina companies
CompanyHome accountsAverage priceReliabilityNet metering
Greenwood CPWLowest price11,7539.04 ¢/kWh$95 a month at 1,050 kWh34 minSAIDI, SAIFI 0.47No data
MPD Electric Cooperative31,87410.94 ¢/kWh$115 a month at 1,050 kWh90 minSAIDI, SAIFI 1.001.9 MW208 systems
South Carolina Public Service Authority185,52911.38 ¢/kWh$120 a month at 1,050 kWh55 minSAIDI, SAIFI 0.6512.7 MW1,830 systems
Greer Commission of Public Wks24,89311.80 ¢/kWh$124 a month at 1,050 kWhNo data1.9 MW275 systems
City of Gaffney6,31412.39 ¢/kWh$130 a month at 1,050 kWhNo data0.1 MW13 systems
City of Rock Hill36,49212.55 ¢/kWh$132 a month at 1,050 kWh90 minSAIDI, SAIFI 1.262.8 MW241 systems
York Electric Coop Inc65,24412.65 ¢/kWh$133 a month at 1,050 kWh89 minSAIDI, SAIFI 1.699.0 MW1,171 systems
Palmetto Electric Coop Inc68,33812.79 ¢/kWh$134 a month at 1,050 kWh32 minSAIDI, SAIFI 0.693.2 MW358 systems
Easley Combined Utility System15,77212.81 ¢/kWh$135 a month at 1,050 kWh94 minSAIDI, SAIFI 1.000.8 MW109 systems
Horry Electric Coop Inc86,72613.23 ¢/kWh$139 a month at 1,050 kWh108 minSAIDI, SAIFI 1.562.8 MW301 systems
Lockhart Power Co4,97613.42 ¢/kWh$141 a month at 1,050 kWhNo dataNo data
Black River Electric Coop, Inc30,61013.47 ¢/kWh$141 a month at 1,050 kWh99 minSAIDI, SAIFI 1.354.0 MW509 systems
Fairfield Electric Coop, Inc32,39714.35 ¢/kWh$151 a month at 1,050 kWhNo dataNo data
Dominion Energy South Carolina, Inc696,38514.59 ¢/kWh$153 a month at 1,050 kWh81 minSAIDI, SAIFI 1.19140.2 MW16,368 systems
Laurens Electric Coop, Inc58,43814.66 ¢/kWh$154 a month at 1,050 kWh97 minSAIDI, SAIFI 1.141.7 MW256 systems
Santee Electric Coop, Inc35,23514.74 ¢/kWh$155 a month at 1,050 kWh147 minSAIDI2.1 MW271 systems
Mid-Carolina Electric Coop Inc56,46314.88 ¢/kWh$156 a month at 1,050 kWh117 minSAIDI, SAIFI 1.621.3 MW190 systems
Berkeley Electric Coop Inc115,11714.93 ¢/kWh$157 a month at 1,050 kWh89 minSAIDI, SAIFI 0.9412.2 MW1,866 systems
City of Orangeburg20,63915.49 ¢/kWh$163 a month at 1,050 kWh252 minSAIDI, SAIFI 2.131.9 MW128 systems
Aiken Electric Coop Inc49,46015.53 ¢/kWh$163 a month at 1,050 kWh94 minSAIDI4.4 MW458 systems
Lynches River Elec Coop, Inc21,36315.71 ¢/kWh$165 a month at 1,050 kWh165 minSAIDI, SAIFI 1.901.3 MW176 systems
Broad River Electric Coop, Inc23,14015.91 ¢/kWh$167 a month at 1,050 kWhNo data3.8 MW456 systems
Newberry Electric Coop, Inc12,97016.32 ¢/kWh$171 a month at 1,050 kWhNo data1.6 MW83 systems
Edisto Electric Coop, Inc15,42116.40 ¢/kWh$172 a month at 1,050 kWh293 minSAIDI1.5 MW176 systems
Tri-County Electric Coop, Inc (SC)17,67218.51 ¢/kWh$194 a month at 1,050 kWh175 minSAIDI, SAIFI 2.331.6 MW207 systems
Blue Ridge Electric Coop Inc67,55318.94 ¢/kWh$199 a month at 1,050 kWh193 minSAIDI2.5 MW291 systems

South Carolina: 2025 and 2026

South Carolina, data to July 2026.

South Carolina 2025 average price
14.96 ¢/kWh+5.1% against 2024, U.S. +5.0%
South Carolina 2025 rank
31 of 51-1 places against 2024
South Carolina January to Jul 2026
15.92 ¢/kWh+7.6% on Jan-Jul 2025
South Carolina Last 12 months
15.64 ¢/kWhto July 2026
South Carolina July 2026
15.47 ¢/kWh+5.2% against July 2025
South Carolina 2025 costliest month
Apr 15.86 ¢cheapest Jan 13.88 ¢, a 14% spread
South Carolina Typical 2025 bill
$161 a monthtop Jul $222, low Apr $124

The South Carolina residential price averaged 14.96 ¢/kWh in 2025, +5.1% on 2024: South Carolina stayed within 0.2 points of the nation. From January to July 2026 the South Carolina average is 15.92 ¢, +7.6% on 2025, close to the U.S. change. Seasonality in South Carolina: 2025 peaked in April at 15.86 ¢ and bottomed in January at 13.88 ¢. A typical residential account in South Carolina paid about $1,931 for energy over 2025, from $124 in April to $222 in July; use per account ran 784 to 1,510 kWh a month.

South Carolina price by month, 2024 to Jul 2026

Price by month, South Carolina: 12 rows
Month202420252026 to Jul
Jan13.2813.8815.41
Feb13.9414.5016.15
Mar14.5615.2716.45
Apr14.6015.8617.06
May13.7815.4116.18
Jun13.9014.7915.55
Jul13.8214.7015.47
Aug14.3114.98No data
Sep14.7915.34No data
Oct15.4015.65No data
Nov15.6215.53No data
Dec13.9514.82No data

12 rows from EIA retail sales.

CSV

What a typical South Carolina account paid each month

South Carolina: use per account times price, energy only.

Typical bill by month, South Carolina: 12 rows
Month20252026 to Jul
Jan204198
Feb153183
Mar131135
Apr124131
May141148
Jun184186
Jul222232
Aug188No data
Sep157No data
Oct130No data
Nov128No data
Dec167No data

12 rows from EIA retail sales.

CSV

What South Carolina power is made of

In plain words. Nuclear is the biggest source in South Carolina (54%), and the power made there is cleaner than the U.S. average per kWh. Plants with 1,276 MW are planned to retire by 2030. New plants with 132 MW are under construction.

In 2025 South Carolina plants of 1 MW or more made 104.2 TWh. The biggest sources: nuclear 54.4%, natural gas 21.7%, coal 17.4%. For comparison, nuclear makes 17.7% of U.S. generation. Wind, solar and hydro together: 4.8% (22.6% for the U.S.). South Carolina plants only; imports and rooftop solar are not counted.

South Carolina, share of net generation, %

  • Coal 17.4
  • Natural gas 21.7
  • Nuclear 54.4
  • Hydro (conventional) 1.7
  • Wind
  • Utility-scale solar 3.1
  • Petroleum 0.1
  • Wood, biomass, geothermal, waste 1.5
  • Other 0.0

Fuel groups: prices guide.

South Carolina, share of net generation and operating capacity: 8 rows
SourceSouth Carolina share of generation, %U.S. share, %South Carolina generation, TWhSouth Carolina capacity, MW
Coal17.416.618.185,159
Natural gas21.740.922.667,964
Nuclear54.417.756.676,875
Hydro (conventional)1.75.51.784,390
Utility-scale solar3.16.83.231,956
Petroleum0.10.40.12297
Wood, biomass, geothermal, waste1.51.41.59491
Other0.00.40.010

EIA-923 and EIA-860 for South Carolina, 2025 data, pulled 2 Oct 2026.

CSV

South Carolina plant pipeline

South Carolina, megawatts: 6 rows
South Carolina plantsMW
Operating, utility-scale27,132
Battery storage88
Retiring 2026 to 20301,276
Retiring after 2030229
Under construction132
Planned1,739

EIA-860 generators in South Carolina, 2025 data.

CSV

South Carolina carbon per kWh

South Carolina plants emitted 557 lb of CO₂ per MWh in 2023 (0.253 kg per kWh), against 767 lb for the U.S. An average South Carolina home using 1,065 kWh a month accounts for about 269 kg of CO₂ a month at that rate. The rate is for South Carolina plants, not your supplier.

state and national values: 4 rows
MeasureSouth CarolinaU.S.
CO₂, lb per MWh557.2767.2
CO₂, kg per kWh0.2530.348
NOx, lb per MWh0.2380.452
SO2, lb per MWh0.1710.359

EPA eGRID2023 for South Carolina, pulled 2 Oct 2026.

CSV

South Carolina weather

A normal year in South Carolina brings 2,803 heating and 1,838 cooling degree-days (1991 to 2020). 2025 had 2,512 heating (10% below normal) and 1,972 cooling (7% above normal).

South Carolina degree-days by year

Heating and cooling degree-days, South Carolina, 2015 to 2025: 11 rows
South Carolina yearHeating (HDD)Cooling (CDD)Normal HDDNormal CDD
20152366214428031838
20162391230828031838
20172089205228031838
20182612225828031838
20192336230028031838
20202164195728031838
20212373186828031838
20222502199128031838
20232144182528031838
20242222213728031838
20252512197228031838

NOAA nClimDiv degree-days for South Carolina, 2015 to 2025, pulled 2 Oct 2026.

CSV

South Carolina meters and time-of-use rates

88.7% of South Carolina home meters are advanced (AMI) meters: 2,329,516 of 2,625,485. 9 of 13 reporting utilities offer a home time-of-use rate, and 8,660 home accounts are enrolled in dynamic pricing programs.

EIA-861 meters in South Carolina, data year 2024, pulled 2 Oct 2026: homes.

Flood claims and flood insurance in South Carolina

South Carolina: 21,300 NFIP flood claims with a loss date in 2015 to 2025, $596.6M paid, median paid claim $15,640; 5th of 55 states and territories by dollars paid. The peak year was 2016 with 7,265 claims. FEMA counts 6.1% of South Carolina residential structures as insured, 3rd of 51, and the policy file shows 190,253 NFIP policies in force on 8 Sep 2026. Floods damage substations and lines, and in South Carolina this is claims history, not an outage count.

South Carolina counties with the most NFIP flood claims
Top counties in South CarolinaClaims 2015-2025PaidClaims per 1,000 homes
Charleston County6,064$116.1M41.0
Horry County4,532$186.6M32.5
Beaufort County3,685$73.4M51.8
Georgetown County1,792$53.1M65.5
Richland County942$57.4M7.2

South Carolina: flood claims by state, flood claims by county. 21,300 South Carolina claims as of 8 Sep 2026, OpenFEMA NFIP; counts under 5 hidden.

South Carolina charts

Price by sector, South Carolina

Home 14.23, business 10.64, industry 6.84 ¢ in 2024.

South Carolina price by sector 2015-2024, 2015 to 2024: 10 rows
YearResidentialCommercialIndustrialGap to U.S. residential
201512.5710.216.05-0.08
201612.6510.286.09+0.10
201713.0210.576.19+0.13
201812.4410.116.10-0.43
201912.9910.586.11-0.02
202012.7810.355.98-0.37
202112.8610.676.07-0.80
202213.5910.867.13-1.45
202313.6810.396.68-2.32
202414.2310.646.84-2.25

10 rows from EIA retail sales.

CSV

Largest utilities, SAIDI

Median of 20 reporters here: 95.5 minutes.

min

  • Dominion Energy South Carolina, Inc80.6
  • South Carolina Public Service Authority55.2
  • Berkeley Electric Coop Inc88.9
  • Horry Electric Coop Inc107.6
  • Palmetto Electric Coop Inc31.7
  • Blue Ridge Electric Coop Inc193.2
  • York Electric Coop Inc89.1
  • Laurens Electric Coop, Inc97.1
  • U.S. median99.5

South Carolina, SAIDI of the largest South Carolina utilities: EIA-861 survey.

CSV

Median SAIDI by year, 2015-2024

86 minutes in 2015, 95 in 2024.

Median SAIDI by year, South Carolina, 2015 to 2024: 10 rows
YearSouth Carolina medianGap to U.S. median reporter
201586-15
201697-5
201793-2
2018104+3
201992-6
2020114+17
202190-6
2022116+13
2023115+16
202495-4

10 rows from EIA-861 survey.

CSV

Who serves each county

South Carolina counties shaded by utilities listing them; the table shows the top twelve.

South Carolina counties by number of electric utilitiesSaludaFlorenceLaurensLeeDorchesterPickensSumterAikenAndersonHorryGreenwoodCalhounChesterfieldOconeeGeorgetownLancasterClarendonBambergBeaufortCharlestonDillonAbbevilleAllendaleBarnwellEdgefieldHamptonMcCormickMarionWilliamsburgDarlingtonColletonMarlboroJasperChesterLexingtonNewberryFairfieldYorkGreenvilleKershawOrangeburgRichlandCherokeeBerkeleyUnionSpartanburg

1 utility 2 3 4 or more

South Carolina counties: first 12 of 46 rows
CountyUtilitiesNames
Kershaw6Black River Electric Coop, Inc; Duke Energy Carolinas, LLC; Duke Energy Progress; Fairfield Electric Coop, Inc; Lynches River Elec Coop, Inc; Tri-County Electric Coop, Inc (SC)
Spartanburg6Blue Ridge Electric Coop Inc; Broad River Electric Coop, Inc; Duke Energy Carolinas, LLC; Greer Commission of Public Wks; Laurens Electric Coop, Inc; Lockhart Power Co
York6Broad River Electric Coop, Inc; City of Rock Hill; Duke Energy Carolinas, LLC; Fairfield Electric Coop, Inc; Lockhart Power Co; York Electric Coop Inc
Cherokee5Broad River Electric Coop, Inc; City of Gaffney; Duke Energy Carolinas, LLC; Lockhart Power Co; York Electric Coop Inc
Lexington5Aiken Electric Coop Inc; Dominion Energy South Carolina, Inc; Mid-Carolina Electric Coop Inc; Newberry Electric Coop, Inc; Tri-County Electric Coop, Inc (SC)
Newberry5Broad River Electric Coop, Inc; Duke Energy Carolinas, LLC; Laurens Electric Coop, Inc; Mid-Carolina Electric Coop Inc; Newberry Electric Coop, Inc
Berkeley4Berkeley Electric Coop Inc; Dominion Energy South Carolina, Inc; Edisto Electric Coop, Inc; South Carolina Public Service Authority
Chester4Duke Energy Carolinas, LLC; Fairfield Electric Coop, Inc; Lockhart Power Co; York Electric Coop Inc
Fairfield4Dominion Energy South Carolina, Inc; Duke Energy Carolinas, LLC; Fairfield Electric Coop, Inc; Newberry Electric Coop, Inc
Greenville4Blue Ridge Electric Coop Inc; Duke Energy Carolinas, LLC; Greer Commission of Public Wks; Laurens Electric Coop, Inc
Orangeburg4Aiken Electric Coop Inc; City of Orangeburg; Edisto Electric Coop, Inc; Tri-County Electric Coop, Inc (SC)
Richland4Dominion Energy South Carolina, Inc; Fairfield Electric Coop, Inc; Mid-Carolina Electric Coop Inc; Tri-County Electric Coop, Inc (SC)

46 rows from EIA-861 Service Territory, Census 2023 county outlines.

CSV

Analyst note

South Carolina residential power was 20th highest of 51 in 2015 at 12.57 ¢ and is 30th in 2024 at 14.23 ¢, so the state slid down 10 places. The U.S. figure went 12.65 to 16.48 ¢ while South Carolina went +13.2%. The biggest annual move was 2022 at +5.7%; the latest year, 2024, came in at +4.0% against +3.0% for the U.S. Business customers paid 10.21 ¢ in 2015 and 10.64 ¢ in 2024, a gap to homes of -2.36 ¢ then and -3.59 ¢ now; industry went from 6.05 to 6.84 ¢ (+13.1%). Reliability changed little at the 13 South Carolina utilities that report in both years: their median SAIDI went from 86 minutes in 2015 to 97 in 2024, +13%, against a U.S. median reporter of 99. Dominion Energy South Carolina, Inc is the largest by accounts with 806,434, 26.9% of the 2,998,873 accounts in South Carolina, and the top three hold 38.6%.

South Carolina ranks 30th of 51 on residential price (14.23 ¢), mid-table, and 13.7% under the national average. Since 2015 the residential price moved +13.2% against +30.3% nationally, so South Carolina has slipped behind the national trend by 17.1 points.

Businesses pay 3.59 ¢ less than households here (-25.2%); business is under home price in 51 of 51. SAIDI for the typical reporter is 95.5 minutes across 20 utilities, under the national 99.5. Three utilities serve 56.2% of accounts.

By revenue, South Carolina electricity splits 50.6% residential, 30.6% commercial and 18.8% industrial; by kWh the split is 38.8%, 31.3% and 29.9%. Residential accounts are the largest revenue source here. Home accounts are 86.1% of 2,998,873 accounts and use 1,050 kWh a month, a commercial account 5,303 and an industrial one 580,614.

Facts

Residents (ACS 2023)
5,212,7742,070,390 households
Electric accounts
2,998,873575 per 1,000 residents
Residential price
14.23 ¢/kWh-2.25 ¢ against the U.S.
Commercial price
10.64 ¢/kWh-2.11 ¢ against the U.S.
Industrial price
6.84 ¢/kWh-1.29 ¢ against the U.S.
Residential since 2015
+13.2%-17.1 points vs U.S.
Retail sales
84.0 TWh16,107 kWh a resident
Utilities listed
2617 cooperative, 6 municipal, 2 investor owned
Median SAIDI
95.5 min20 utilities, 0.96x U.S.
Net-metered capacity
215 MW25,941 installations
Top three utilities
56.2%of utility accounts
Business minus home
-3.59 ¢-25.2% of the home price
Counties with 2+ utilities
45 of 46most: York, 6 utilities

Data tables

South Carolina: price by year

YearHomeBusinessIndustryHome vs U.S.
201512.5710.216.05-0.08
201612.6510.286.09+0.10
201713.0210.576.19+0.13
201812.4410.116.10-0.43
201912.9910.586.11-0.02
202012.7810.355.98-0.37
202112.8610.676.07-0.80
202213.5910.867.13-1.45
202313.6810.396.68-2.32
202414.2310.646.84-2.25

Questions on South Carolina

How many cents per kWh do South Carolina homes pay?

14.23 cents in 2024, which is -2.25 cents against the U.S. figure.

Did South Carolina electricity get more expensive after 2015?

It went from 12.57 to 14.23 cents, +13.2% in total, -17.1 points against the U.S.

How many utilities does EIA list for South Carolina?

26 utilities have South Carolina as their largest state, and 20 of them report SAIDI.

How much solar net metering exists in South Carolina?

215 MW over 25,941 installations.

How many electric accounts does South Carolina have per 1,000 residents?

575: 2,998,873 accounts for 5,212,774 residents.

Do South Carolina businesses pay more than households?

Businesses pay 10.64 ¢ and homes 14.23 ¢, a difference of -3.59 ¢.

What did South Carolina residential electricity cost in 2025?

South Carolina averaged 14.96 cents per kWh, +5.1% against 14.23 in 2024, and 31 of 51 among states.

Are South Carolina residential electricity prices rising in 2026?

South Carolina is +0.5 points against the U.S.: 15.92 cents from January to July 2026, +7.6% on 2025.

When in 2025 did South Carolina residential power cost most, April or January?

April at 15.86 cents in South Carolina; January was the lowest at 13.88, a 14% spread.

Does South Carolina residential power cost less than the national average in 2026?

2.29 cents below the national average; South Carolina 15.92 cents over January to July 2026, +7.6% on 2025.

States with a similar home price

Closest to South Carolina at 14.23 ¢/kWh, by 2024 average home price.

More on South Carolina

How South Carolina ranks and compares

South Carolina is 21st cheapest of 51 on price (14.96 ¢); 15th of 44 on outage minutes (93 min); 16th cleanest grid (557 lb CO2 per MWh); 5th highest income burden (2.89%).

All rankings, price, income and outages explorer, compare two states.

Help paying the bill in South Carolina

South Carolina has $49.4 million in federal energy-assistance money for FY2026, shutoff rules and phone lines. Open the South Carolina help page.

Counties in South Carolina ranked: highest and lowest energy burden, storm reports and old homes, county by county.

More on South Carolina

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In 2025 South Carolina homes paid 14.96 ¢/kWh: rank 31 of 51, 13.5% below the U.S. average of 17.30 ¢ (2024: 14.23 ¢).

Cite this page

Underlying data are U.S. government works (EIA, Census Bureau). Our tables and charts: CC BY 4.0, credit Electric Consumer. The access date fills in when you open this page.

APA

Electric Consumer. (2026). South Carolina electricity rates 2025: price per kWh, utilities and outages. Data as of 2 October 2026. Retrieved [date accessed], from https://electricconsumer.org/states/south-carolina.html

MLA

Electric Consumer. “South Carolina electricity rates 2025: price per kWh, utilities and outages.” Electric Consumer, data as of 2 October 2026, https://electricconsumer.org/states/south-carolina.html. Accessed [date accessed].

Chicago

Electric Consumer. “South Carolina electricity rates 2025: price per kWh, utilities and outages.” Data as of 2 October 2026. Accessed [date accessed]. https://electricconsumer.org/states/south-carolina.html.

BibTeX

@misc{usedata_states_south_carolina,
  author = "Electric Consumer",
  title = {South Carolina electricity rates 2025: price per kWh, utilities and outages},
  year = {2026},
  url = {https://electricconsumer.org/states/south-carolina.html},
  note = {Data as of 2 October 2026. Accessed [date accessed]}
}
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