Columbia Energy Center (SC) — Plant Summary
- EIA Plant ID
- 55386
- Capacity
- 668.5 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Calhoun, SC
- Operating Since
- 2004
- Generators
- 3
- Operator
- Dominion Energy South Carolina, Inc
- Parent Company
- Dominion Energy
- Annual Generation
- 3,041,679 MWh
- Capacity Factor
- 51.9%
- Balancing Authority
- Dominion Energy South Carolina
- ISO/RTO
- —
- NERC Region
- SERC
Columbia Energy Center (SC)
OperatingNatural Gas
Ranked #7 of 20 Natural Gas plants in SC#343 of 2009 nationally
668.5 MW Natural Gas operating in Calhoun, SC — Dominion Energy South Carolina
EIAGEMWD
668.5 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2004
Operating Since
Location
Coordinates
33.8697, -81.0178
County
Calhoun, SC
Nearby Plants
- Otarre Solar ParkSolar1.6 MW · 7.8 km
- Chattanooga Metropolitan Airport SolarSolar2.5 MW · 12.0 km
- Coit GTDistillate Oil39.2 MW · 12.5 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 | — | — |
Ownership Chain
About
Columbia Energy Center is a 668.5 MW natural gas-fired combined cycle power plant located in Calhoun County, South Carolina. The plant began operating in 2004 and consists of 3 generators. It is owned and operated by Dominion Energy South Carolina, Inc, a subsidiary of Dominion Energy. The plant operates within the Dominion Energy South Carolina balancing authority and the SERC NERC region.
In the most recent year of data, Columbia Energy Center generated 3,041,679 MWh of electricity, achieving a capacity factor of 51.9%. According to available data, the installed cost of the plant was $390.62 per kW. Columbia Energy Center is the 7th largest power plant in South Carolina out of 13, and ranks 346th nationally out of 945 plants. Financial data is sourced from 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
252.9K MWh
Latest Month
3.0M MWh
Annual Generation
51.9%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$508/kW
Installed Cost
$26.3/MWh
Operating Cost
South Carolina Electric & Gas Company
Reporting Utility
Annual Capital & Operating Expenses
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
General
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
General
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
General
Campbell County leaders approve solar farm site off Brookneal Highway
CAMPBELL COUNTY, Va. (WSET) — The Campbell County Board of Supervisors voted 6-1 to allow Dominion Energy to build a solar farm off...
WSET·4 weeks ago
General
Virginia gas plant moves ahead despite community objections | Energy
Tense public hearings and protests mocking Dominion Energy have followed the proposed natural gas plant in Chesterfield County, VA,...
Bay Journal·2 months ago
Last updated 2026-03-26
View all 10 articles