How many pumped storage hydro plants are in South Carolina?

3, with 3 GW of nameplate capacity between them, spread over 3 counties. That is the EIA-860M operating count for 2026-07.

Is there a map of South Carolina pumped storage hydro plants?

Yes — the map above. Each dot is one pumped storage hydro plant, sized by nameplate capacity and placed at the coordinates EIA files for it.

Which is the largest pumped storage hydro plant in South Carolina?

Bad Creek, at 2 GW. The table is sorted largest first, so the rest follow it.

Is there a pumped storage hydro plant near me in South Carolina?

The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.

Which grid operator runs South Carolina's pumped storage hydro plants?

No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in South Carolina is largely a vertically integrated utility rather than an organised market.

How current is this, and what is left out?

EIA-860M for 2026-07. Hydroelectric pumped storage. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.

Pumped Storage Hydro Plants in South Carolina

Every operating pumped storage hydro plant in South Carolina on EIA-860M for 2026-07: 3 plants, 16 generating units and 3 GW of nameplate capacity across 3 counties.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 3; 16 generating units
Nameplate capacity: 3 GW
Counties: 3
Grid operator: Mixed; no single ISO covers a majority

Map of pumped storage hydro plants in South Carolina

Every one of the 3 plants is drawn at the coordinate EIA files for it.

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Pumped storage · 3

List of pumped storage hydro plants in South Carolina

Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.

pumped storage hydro plants in South Carolina

Bad CreekHydroelectric Pumped Storage	Duke Energy Carolinas, LLC	Oconee	1,680	4	1991	Operating
JocasseeHydroelectric Pumped Storage	Duke Energy Carolinas, LLC	Pickens	774	4	1973	Operating
Fairfield Pumped StorageHydroelectric Pumped Storage	Dominion Energy South Carolina, Inc	Fairfield	587.2	8	1978	Operating

Largest pumped storage hydro plants in South Carolina

1Bad CreekOconee County, South Carolina1,680 MW
2JocasseePickens County, South Carolina774 MW
3Fairfield Pumped StorageFairfield County, South Carolina587.2 MW

Pumped storage hydro plants by county in South Carolina

The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.

County	Plants	Nameplate MW
Oconee	1	1,680
Pickens	1	774
Fairfield	1	587.2

Pumped Storage Hydro Plants in South Carolina: FAQ

How many pumped storage hydro plants are in South Carolina?: 3, with 3 GW of nameplate capacity between them, spread over 3 counties. That is the EIA-860M operating count for 2026-07.
Is there a map of South Carolina pumped storage hydro plants?: Yes — the map above. Each dot is one pumped storage hydro plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest pumped storage hydro plant in South Carolina?: Bad Creek, at 2 GW. The table is sorted largest first, so the rest follow it.
Is there a pumped storage hydro plant near me in South Carolina?: The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
Which grid operator runs South Carolina's pumped storage hydro plants?: No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in South Carolina is largely a vertically integrated utility rather than an organised market.
How current is this, and what is left out?: EIA-860M for 2026-07. Hydroelectric pumped storage. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.