Hydroelectric power plants in South Carolina
28 operating hydroelectric power plants in South Carolina with 1,335 MW of hydroelectric capacity, largest first. From EIA-860M, August 2026.
Plants
28
Hydroelectric capacity
1,335 MW
Net generation, 2025
1.77 TWh
27 of 28 plants reported
Largest hydroelectric power plants in South Carolina
| # | Plant | Hydroelectric MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | J Strom ThurmondMcCormick County | 362 | 566 | 17.9% |
| 2 | Saluda LexingtonLexington County | 207 | 91.5 | 5.0% |
| 3 | KeoweePickens County | 158 | 44.3 | 3.2% |
| 4 | JefferiesBerkeley County | 145 | 234 | 18.4% |
| 5 | Wateree HydroKershaw County | 91 | 137 | 17.3% |
| 6 | St StephenBerkeley County | 84 | 161 | 21.9% |
| 7 | WylieYork County | 60 | 98.6 | 18.8% |
| 8 | Cedar Creek (SC)Lancaster County | 45 | 102 | 25.8% |
| 9 | DearbornChester County | 45 | 70.2 | 17.8% |
| 10 | Fishing CreekChester County | 42 | 76.8 | 20.7% |
| 11 | LockhartUnion County | 18 | 49.3 | 31.3% |
| 12 | Parr HydroFairfield County | 15 | 53.3 | 40.6% |
| 13 | Great Falls (SC)Chester County | 12 | 0.0 | – |
| 14 | 99 IslandsCherokee County | 12 | 31.3 | 29.8% |
| 15 | Ware Shoals Hydro ProjectLaurens County | 6.2 | 0.0 | – |
| 16 | Gaston ShoalsCherokee County | 5.3 | 5.0 | – |
| 17 | Cherokee FallsCherokee County | 4.3 | 0.0* | – |
| 18 | Hollidays Bridge HydroAnderson County | 4.0 | 8.5 | 24.4% |
| 19 | Pelzer LowerAnderson County | 3.3 | 3.8 | 13.3% |
| 20 | Rocky River (SC)Anderson County · Hydro and oil | 2.6 | 2.4 | 7.1% |
| 21 | Saluda DamGreenville County | 2.4 | 5.2 | 24.8% |
| 22 | Neal ShoalsUnion County | 2.2 | 13.4 | 34.9% |
| 23 | SpillwayBerkeley County | 2.0 | 4.8 | 27.5% |
| 24 | Pelzer UpperAnderson County | 2.0 | 3.8 | 21.9% |
| 25 | Boyds Mill HydroGreenville County | 1.4 | 3.4 | 27.5% |
| 26 | Clifton Dam 3 Power StationSpartanburg County | 1.2 | – | – |
| 27 | Upper Pacolet HydroSpartanburg County | 1.1 | 4.8 | 49.4% |
| 28 | Piedmont Hydro Power ProjectGreenville County | 1.0 | 4.8 | 54.5% |
* Fewer than 12 months of 2025 reported, so the total is partial.
Projects where hydroelectric is the largest fuel or at least a fifth of nameplate capacity. MW is hydroelectric nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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