Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
668.5 MW Natural Gas operating in Calhoun, SC — Dominion Energy South Carolina
668.5 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2004
Operating Since
Coordinates
33.8697, -81.0178
County
Calhoun, 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 | — | — |
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
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Dominion Energy South Carolina (SCEG)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
252.9K MWh
Latest Month
3.0M MWh
Annual Generation
51.9%
Capacity Factor
CO₂ Intensity
742 lb/MWh
NOx
0.086 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.013 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
42.1%
Annual Net Gen
2466 GWh
CO₂eq
743 lb/MWh
Subregion
SERC Virginia/Carolina
Combined cycle · South Carolina Electric & Gas Company · Data from 2018–2024
$508/kW
Installed Cost
$3/kW
Annual CapEx
$26.3/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-04-09
View all 5 articlesNo ask pi reports yet for this entity.
ask pi about Columbia Energy Center (SC)