Urquhart
Natural gas power plant in Aiken County, South Carolina. 758.9 MW of nameplate capacity across 9 generators, operated by Dominion Energy South Carolina, Inc.
Also known as Urquhart Station · EIA plant 3295
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Key facts
- Capacity
- 758.9 MWNameplate
- Generators
- 9 operatingEIA-860M, August 2026
- Operating since
- December 1953First generator online
- Operator
- Dominion Energy South Carolina, IncEIA operator ID 17539
- Grid
- SCEGBalancing authority SCEG
- Price nodes
- None linkedNo verified ISO node
- Location
- Aiken County, SC33.4350, −81.9111
- EIA plant ID
- 3295EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Urquhart produces
Free · EIA-923Net generation, 2025
1.60 TWh
1,602,152 MWh, final
Capacity factor, 2025
24.1%
2024: 20.9%
January to July 2026
1.32 TWh
Provisional
Range, 2015 to 2025
1.4–2.3
TWh a year. Low 2024, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 1,344,515 | Not reported | 12 of 12 |
| 2001 | 1,242,199 | Not reported | 12 of 12 |
| 2002 | 1,728,209 | Not reported | 12 of 12 |
| 2003 | 1,086,179 | Not reported | 11 of 12 |
| 2004 | 963,288 | Not reported | 12 of 12 |
| 2005 | 983,925 | Not reported | 12 of 12 |
| 2006 | 998,006 | Not reported | 7 of 12 |
| 2007 | 1,649,432 | Not reported | 12 of 12 |
| 2008 | 1,470,442 | Not reported | 12 of 12 |
| 2009 | 2,395,331 | Not reported | 11 of 12 |
| 2010 | 2,178,941 | 32.8% | 12 of 12 |
| 2011 | 2,186,990 | 32.9% | 12 of 12 |
| 2012 | 2,749,374 | Not reported | 12 of 12 |
| 2013 | 1,302,159 | Not reported | 12 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | 1,947,078 | 29.3% | 12 of 12 |
| 2016 | 2,161,962 | 32.4% | 12 of 12 |
| 2017 | 2,311,885 | 34.8% | 12 of 12 |
| 2018 | 2,134,978 | 32.1% | 12 of 12 |
| 2019 | 1,715,365 | 25.8% | 12 of 12 |
| 2020 | 1,936,391 | 29.0% | 12 of 12 |
| 2021 | 2,082,544 | 34.2% | 11 of 12 |
| 2022 | 2,016,742 | 30.3% | 12 of 12 |
| 2023 | 1,799,264 | 27.1% | 12 of 12 |
| 2024 | 1,395,010 | 20.9% | 12 of 12 |
| 2025 | 1,602,152 | 24.1% | 12 of 12 |
| 2026 (provisional, partial year) | 1,318,312 | 34.1% | 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 CAMPDCO₂, 2025
776,625
US short tons. 2024: Not reported
SO₂, 2025
4
US short tons
NOx, 2025
207
US short tons
CO₂ per MWh, calculated
0.48 t
About 969 lb per MWh
4 of 4 EPA units reported CO₂ in 2025 (URQ3, URQ4, URQ5, URQ6), matched to EIA plant 3295 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
22,057
million gallons
Consumption, 2024
Not reported
million gallons
Source
Savannah River
Surface, Fresh. Once-through
Watershed stress
Very low/none · 0.143
USGS SUI, HUC12 Beaverdam Ditch-Savannah River
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Fired Combined Cycle | 75.0 | December 1953 |
| 2 | Natural Gas Fired Combined Cycle | 75.0 | February 1954 |
| 3 | Natural Gas Steam Turbine | 100.0 | November 1955 |
| CT1 | Natural Gas Fired Combined Cycle | 198.9 | June 2002 |
| CT2 | Natural Gas Fired Combined Cycle | 198.9 | June 2002 |
| GT1 | Natural Gas Fired Combustion Turbine | 19.6 | October 1969 |
| GT2 | Natural Gas Fired Combustion Turbine | 16.3 | August 1969 |
| GT3 | Natural Gas Fired Combustion Turbine | 16.3 | July 1969 |
| GT4 | Natural Gas Fired Combustion Turbine | 58.9 | June 1999 |
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.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Urquhart
More plants operated by Dominion Energy South Carolina, Inc
Questions about Urquhart
How much power does Urquhart produce?
Urquhart reported 1,602,152 MWh (1.60 TWh) of net generation in 2025, a 24.1% capacity factor on 758.9 MW of nameplate capacity. From January to July 2026 it reported 1.32 TWh, which is provisional.
Where is Urquhart?
Urquhart is in Aiken County, South Carolina, at 33.4350, −81.9111. It is in the Dominion Energy South Carolina balancing area (SCEG).
Who operates Urquhart?
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 Urquhart start operating?
Its first generator began operating in December 1953, 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)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page