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

Power plants planned and retiring in South Carolina

2,181 MWSouth Carolina planned power plant capacity

South Carolina plans 2,181 MW, 9% of its 25,148 MW in service (37th of 51). 204 MW is being built or tested; solar leads at 1,714 MW.

South Carolina: planned against running

South Carolina planned, by fuel

  • Solar 1,714 MW (79%)
  • Storage 379 MW (17%)
  • Oil 88 MW (4%)

South Carolina operating, by fuel

  • Solar 1,998 MW (8%)
  • Storage 3,112 MW (12%)
  • Natural gas 6,681 MW (27%)
  • Coal 4,754 MW (19%)
  • Nuclear 6,646 MW (26%)
  • Hydro 1,293 MW (5%)
  • Oil 220 MW (1%)
  • Other 445 MW (2%)

When South Carolina capacity arrives and leaves

MW due online and retiring in South Carolina, 2026 to 2033: 6 rows
YearSouth Carolina planned MWSouth Carolina retiring MW
2026204No data
20271099No data
2028629No data
2029249No data
2030No data1130
2033No data157

6 rows from EIA-860M.

CSV

South Carolina projects dated after 2035 or without a year: 0 MW.

Where the South Carolina projects are

South Carolina counties with planned power plants, darker for more MWLaurensAllendaleFairfieldMarionLeeNewberryHorryWilliamsburgDillonChesterfieldOrangeburgColletonBarnwellGeorgetownDarlingtonBerkeley

South Carolina: 16 counties shaded, darker for more planned MW.

Filter South Carolina planned projects

Filter the 28 planned project lines in South Carolina.

2,181 MW across 28 project lines, 9% of the 25,148 MW operating in South Carolina.

  • Pinopolis BESS, Berkeley: 300 MW storage, online 2027
  • Kingstree East 230 Solar Project, Georgetown: 249 MW solar, online 2029
  • SR Cordova, Orangeburg: 100 MW solar, online 2027
  • Winyah, Georgetown: 88 MW oil, online 2027
  • Robinson Solar Plant, Chesterfield: 76 MW solar, online 2027

What the South Carolina numbers say

South Carolina runs 25,148 MW today. The planned list would add 2,181 MW (9%) while 1,287 MW (5%) of operating units carry a retirement date. Through 2035, South Carolina has 2,181 MW due online and 1,287 MW due to retire there.

South Carolina planned mix: 96% solar, storage and wind, 0% natural gas. South Carolina stages: 204 MW under construction or in testing, 1,388 MW permits received, not started, 201 MW permits pending, 388 MW early planning, no approvals started. South Carolina retired 423 MW from 2021 to 2026 and has 4,361 MW on the canceled or postponed list.

South Carolina capacity by fuel and status

South Carolina capacity by fuel
South Carolina fuelOperating MWPlanned MWRetiring MWRetired MWCanceled in South Carolina, MW
Solar1,9981,714––451
Storage3,112379––290
Natural gas6,681––2701,362
Coal4,754–1,130––
Nuclear6,646–––2,200
Hydro1,293––8–
Oil220881573621
Other445––10836
All fuels25,1482,1811,2874234,361

South Carolina counties with the most planned capacity

South Carolina counties by planned MW
South Carolina countyPlanned, MWGeneratorsLargest fuel
Darlington County4256Solar
Georgetown County3874Solar
Berkeley County3001Storage
Barnwell County2003Solar
Orangeburg County1742Solar
Chesterfield County1512Solar
Dillon County812Solar
Colleton County751Solar
Williamsburg County751Solar
Horry County741Solar

Largest planned projects in South Carolina

South Carolina largest planned projects
South Carolina plantCountyFuelStageDueMW
Pinopolis BESSBerkeleyStorageEarly planning, no approvals started2027300
Kingstree East 230 Solar ProjectGeorgetownSolarPermits received, not started2029249
SR CordovaOrangeburgSolarPermits received, not started2027100
WinyahGeorgetownOilEarly planning, no approvals started202788
Robinson Solar PlantChesterfieldSolarPermits pending202776
Lotus SolarDarlingtonSolarPermits received, not started202775
B & K SolarDarlingtonSolarUnder construction or in testing202675
Big Fork SolarBarnwellStoragePermits received, not started202775
Big Fork SolarBarnwellSolarPermits received, not started202875
Colleton SolarColletonSolarPermits received, not started202875

South Carolina against its neighbors

South Carolina: planned MW equal 9% of operating. Bordering states: Georgia plans 16% of what it runs (7 points above South Carolina); North Carolina plans 6% of what it runs (3 points below South Carolina).

Download

CSV by fuel CSV by project

Sources

EIA-860M inventory for South Carolina: 398 operating generators, 28 planned lines, edition August 2026, retrieved 5 Oct 2026. Sources for {e(sn)}.

More on South Carolina

Questions

South Carolina: how much new power plant capacity is planned?

2,181 MW, 9% of the 25,148 MW South Carolina runs. 204 MW is being built or tested in South Carolina.

South Carolina: what kind of power plants are planned?

Solar leads South Carolina with 1,714 of 2,181 planned MW.

South Carolina: which power plants are retiring?

1,287 MW of South Carolina units have a retirement date, of which 1,130 MW is coal and 0 MW natural gas.

Will South Carolina get all the planned plants?

Not necessarily. South Carolina has 4,361 MW canceled or postponed, and 423 MW (natural gas the largest group) retired from 2021 to 2026.

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2,181 MW South Carolina planned power plant capacity