gridprims

Power plant · EIA plant code 3295

Urquhart

Operator
Dominion Energy South Carolina, Inc
Location
Aiken, SC (county level only)
Balancing authority
Dominion Energy South Carolina (SCEG)
Nameplate capacity
758.9 MW
Summer capacity
640 MW

U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Generation in 2025

Net generation
1,602,152 MWh
Capacity factor
24.1%

Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.

U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Emissions

Carbon dioxide in 2023
869,476 metric tons
Carbon dioxide per MWh
1,065 lb/MWh

eGRID reports 958,433 short tons. One short ton is 0.90718474 metric tons.

Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.

U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0

Generators

Generators at Urquhart
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
1Natural Gas Fired Combined CycleNG75 MW1953Operable · As of September 2026 (EIA-860M): (OP) Operating
2Natural Gas Fired Combined CycleNG75 MW1954Operable · As of September 2026 (EIA-860M): (OP) Operating
3Natural Gas Steam TurbineNG100 MW1955Operable · As of September 2026 (EIA-860M): (OP) Operating
CT1Natural Gas Fired Combined CycleNG198.9 MW2002Operable · As of September 2026 (EIA-860M): (OP) Operating
CT2Natural Gas Fired Combined CycleNG198.9 MW2002Operable · As of September 2026 (EIA-860M): (OP) Operating
GT1Natural Gas Fired Combustion TurbineNG19.6 MW1969Operable · As of September 2026 (EIA-860M): (OP) Operating
GT2Natural Gas Fired Combustion TurbineNG16.3 MW1969Operable · As of September 2026 (EIA-860M): (OP) Operating
GT3Natural Gas Fired Combustion TurbineNG16.3 MW1969Operable · As of September 2026 (EIA-860M): (OP) Operating
GT4Natural Gas Fired Combustion TurbineNG58.9 MW1999Operable · As of September 2026 (EIA-860M): (OP) Operating

U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

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