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758.9 MW Natural Gas Fired Combined Cycle (548 MW) + Natural Gas Fired Combustion Turbine (111 MW) + Natural Gas Steam Turbine (100 MW) operating in Aiken, SC — Dominion Energy South Carolina
758.9 MW
Nameplate Capacity
9
Generators
units
Hybrid (3)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine
1953
Operating Since
Coordinates
33.4350, -81.9111
County
Aiken, SC
Nearby Plants
| 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 | — | — |
The Urquhart power plant, located in Aiken County, South Carolina, has a total capacity of 758.9 MW across 9 generators. The plant is owned by Dominion Energy and operated by Dominion Energy South Carolina, Inc. It began operating in 1953 and utilizes natural gas as its primary fuel source. The plant employs a combination of technologies, including natural gas fired combined cycle, natural gas fired combustion turbine, and natural gas steam turbine, classifying it as a hybrid facility.
Urquhart operates within the Dominion Energy South Carolina balancing authority and the SERC NERC region. In the most recent year with available data, the plant generated 1,602,152 MWh, achieving a capacity factor of 24.0%. Urquhart is ranked as the 6th largest power plant out of 13 in South Carolina, and 272nd out of 945 nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Dominion Energy South Carolina (SCEG)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
69.4K MWh
Latest Month
1.6M MWh
Annual Generation
24.0%
Capacity Factor
CO₂ Intensity
1065 lb/MWh
NOx
0.250 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.019 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
27.1%
Annual Net Gen
1799 GWh
CO₂eq
1066 lb/MWh
Subregion
SERC Virginia/Carolina
2013
$965/kW
Est. Construction Cost
Total estimated cost: $732.4M
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-03-26
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