Columbia Energy Center (SC)

Columbia Energy Center (SC) is a 669 MW natural gas power plant in Calhoun County, South Carolina, operated by Dominion Energy South Carolina, Inc. EIA-860M lists 3 generating units here. Its units entered service in 2004.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
668.5 MW
612 MW net summer
Generating units
3
In service
2004
EIA plant ID
55386

Where it is

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County
Calhoun County, South Carolina
Coordinates
33.8697, -81.0178
Balancing authority
SCEG
Sector
Electric Utility

Units, technology and status

Operator of record
Dominion Energy South Carolina, Inc
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combined Cycle
Status
Operating

Every plant Dominion Energy South Carolina, Inc reports to EIA →

Columbia Energy Center (SC): FAQ

Where is Columbia Energy Center (SC)?
In Calhoun County, South Carolina (SC). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Columbia Energy Center (SC)?
669 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Columbia Energy Center (SC)?
EIA-860M names Dominion Energy South Carolina, Inc as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Columbia Energy Center (SC) LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Dominion Energy South Carolina, Inc here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Columbia Energy Center (SC) LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Columbia Energy Center (SC) still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.