Fairfield Pumped Storage — Plant Summary
- EIA Plant ID
- 6126
- Capacity
- 587.2 MW
- Primary Fuel
- Hydro
- Technology
- Hydroelectric Pumped Storage
- Status
- Operating
- Location
- Fairfield, SC
- Operating Since
- 1978
- Generators
- 8
- Operator
- Dominion Energy South Carolina, Inc
- Parent Company
- Dominion Energy
- Annual Generation
- 478,752 MWh
- Capacity Factor
- 9.3%
- Balancing Authority
- Dominion Energy South Carolina
- ISO/RTO
- —
- NERC Region
- SERC
Fairfield Pumped Storage
OperatingHydro
Ranked #3 of 32 Hydro plants in SC#43 of 1454 nationally
587.2 MW Hydro operating in Fairfield, SC — Dominion Energy South Carolina
EIAGEMWD
587.2 MW
Nameplate Capacity
8
Generators
units
Hydroelectric Pumped Storage
Technology
1978
Operating Since
Location
Coordinates
34.3061, -81.3308
County
Fairfield, SC
Nearby Plants
- V C SummerNuclear1029.6 MW · 1.7 km
- Parr GTNatural Gas130.8 MW · 4.7 km
- Parr HydroHydro15 MW · 5.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Dominion Energy South Carolina, Inc | Dominion Energy South Carolina | — |
| Owner(s) | Dominion Energy South Carolina, Inc | Dominion Energy | — |
| Status | Operating | operating | — |
Ownership Chain
About
Fairfield Pumped Storage is a hydroelectric pumped storage power plant located in Fairfield County, South Carolina. The plant, which began operating in 1978, has a total capacity of 587.2 MW across 8 generators. It is owned and operated by Dominion Energy South Carolina, Inc., a subsidiary of Dominion Energy. The plant uses water as its primary fuel source. Fairfield Pumped Storage ranks as the 3rd largest of 7 hydroelectric plants in South Carolina, and 43rd out of 194 nationally.
In the latest year of reported data, the plant generated 478,752 MWh of electricity, resulting in a capacity factor of 9.3%. The plant operates within the Dominion Energy South Carolina balancing authority and the SERC NERC region. Financial data indicates an installed cost of $491.21 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Dominion Energy South Carolina
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
24.2K MWh
Net Discharge
478.8K MWh
Annual Net Energy
9.3%
Capacity Factor
Jan 2023 – Dec 2025
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Financial DataBeta
Source: FERC Form 1HIGH
$408/kW
Installed Cost
$9.3/MWh
Operating Cost
South Carolina Electric & Gas Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
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Dominion Energy delivers first power from Coastal Virginia Offshore Wind project (D:NYSE)
Dominion Energy's 2.6 GW Coastal Virginia Offshore Wind project has reached first power, with the project's first turbine generating power...
Seeking Alpha·Yesterday
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Last updated 2026-03-26
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