Fairfield Pumped Storage
Pumped storage power plant in Fairfield County, South Carolina. 587.2 MW of nameplate capacity across 8 generators, operated by Dominion Energy South Carolina, Inc.
Also known as EIA plant 6126
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Key facts
- Capacity
- 587.2 MWNameplate
- Generators
- 8 operatingEIA-860M, August 2026
- Operating since
- June 1978First generator online
- Operator
- Dominion Energy South Carolina, IncEIA operator ID 17539
- Grid
- SCEGBalancing authority SCEG
- Price nodes
- None linkedNo verified ISO node
- Location
- Fairfield County, SC34.3061, −81.3308
- EIA plant ID
- 6126EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Fairfield Pumped Storage produces
Free · EIA-923Net generation, 2025
479 GWh
478,752 MWh, final
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
238 GWh
Provisional
Range, 2015 to 2025
−197.0–478.8
GWh a year. Low 2016, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | −308,737 | Not reported | 12 of 12 |
| 2001 | −283,548 | Not reported | 12 of 12 |
| 2002 | −290,120 | Not reported | 12 of 12 |
| 2003 | −316,020 | Not reported | 12 of 12 |
| 2004 | −355,963 | Not reported | 12 of 12 |
| 2005 | −340,525 | Not reported | 12 of 12 |
| 2006 | −312,346 | Not reported | 12 of 12 |
| 2007 | −307,872 | Not reported | 12 of 12 |
| 2008 | −307,360 | Not reported | 12 of 12 |
| 2009 | −254,068 | Not reported | 12 of 12 |
| 2010 | −245,732 | Not reported | 12 of 12 |
| 2011 | −229,744 | Not reported | 12 of 12 |
| 2012 | −254,434 | Not reported | 12 of 12 |
| 2013 | −175,206 | Not reported | 12 of 12 |
| 2014 | −152,382 | Not reported | 12 of 12 |
| 2015 | −123,916 | Not reported | 12 of 12 |
| 2016 | −197,011 | Not reported | 12 of 12 |
| 2017 | −151,470 | Not reported | 12 of 12 |
| 2018 | −167,767 | Not reported | 12 of 12 |
| 2019 | −188,774 | Not reported | 12 of 12 |
| 2020 | −169,277 | Not reported | 12 of 12 |
| 2021 | −155,377 | Not reported | 12 of 12 |
| 2022 | −169,689 | Not reported | 12 of 12 |
| 2023 | 231,609 | Not reported | 12 of 12 |
| 2024 | 472,691 | Not reported | 12 of 12 |
| 2025 | 478,752 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | 237,667 | Not reported | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Hydroelectric Pumped Storage | 73.4 | June 1978 |
| 2 | Hydroelectric Pumped Storage | 73.4 | June 1978 |
| 3 | Hydroelectric Pumped Storage | 73.4 | June 1978 |
| 4 | Hydroelectric Pumped Storage | 73.4 | June 1978 |
| 5 | Hydroelectric Pumped Storage | 73.4 | December 1978 |
| 6 | Hydroelectric Pumped Storage | 73.4 | December 1978 |
| 7 | Hydroelectric Pumped Storage | 73.4 | December 1978 |
| 8 | Hydroelectric Pumped Storage | 73.4 | December 1978 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Dominion Energy South Carolina, Inc as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Fairfield Pumped Storage
More plants operated by Dominion Energy South Carolina, Inc
Questions about Fairfield Pumped Storage
How much power does Fairfield Pumped Storage produce?
Fairfield Pumped Storage reported 478,752 MWh (479 GWh) of net generation in 2025. From January to July 2026 it reported 238 GWh, which is provisional.
Where is Fairfield Pumped Storage?
Fairfield Pumped Storage is in Fairfield County, South Carolina, at 34.3061, −81.3308. It is in the Dominion Energy South Carolina balancing area (SCEG).
Who operates Fairfield Pumped Storage?
EIA-860M for August 2026 lists Dominion Energy South Carolina, Inc as the operator (EIA operator ID 17539). The operator is not always the owner.
When did Fairfield Pumped Storage start operating?
Its first generator began operating in June 1978, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page