Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/55386
EIA plant 55386
Gaston · Calhoun · SC
Columbia Energy Center (SC)
Operated by Dominion Energy South Carolina, Inc
Published location
Where is Columbia Energy Center (SC)?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
33.869700, -81.017800
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
Equipment mix
Operating capacity by technology
Grouped from this plant’s represented generator records. Use the SC plant index for regional peers.
See the evidence
Electricity output across the year
Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.
1286,955
2226,883
3302,676
4144,215
5322,592
6290,128
7298,023
8308,939
9303,169
10277,401
11206,819
12291,226
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.
Read the chart as a table
| Record | MWh net generation |
|---|---|
| 1 | 286,955 |
| 2 | 226,883 |
| 3 | 302,676 |
| 4 | 144,215 |
| 5 | 322,592 |
| 6 | 290,128 |
| 7 | 298,023 |
| 8 | 308,939 |
| 9 | 303,169 |
| 10 | 277,401 |
| 11 | 206,819 |
| 12 | 291,226 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 286,955 MWh |
| 2 | 226,883 MWh |
| 3 | 302,676 MWh |
| 4 | 144,215 MWh |
| 5 | 322,592 MWh |
| 6 | 290,128 MWh |
| 7 | 298,023 MWh |
| 8 | 308,939 MWh |
| 9 | 303,169 MWh |
| 10 | 277,401 MWh |
| 11 | 206,819 MWh |
| 12 | 291,226 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| ST1 | Natural Gas Fired Combined Cycle | NG | 274.5 | OP |
| CT1 | Natural Gas Fired Combined Cycle | NG | 197 | OP |
| CT2 | Natural Gas Fired Combined Cycle | NG | 197 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
55386
Sector
Electric Utility
Water source
Congaree River (Indirectly)
Data edition
2024-final
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right Columbia Energy Center (SC) power plant: capacity and generation | PowerPlantFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Columbia Energy Center (SC)
Variation in the published months
Across 12 numeric monthly generation entries, 5 has the highest recorded value (322,592 MWh) and 4 the lowest (144,215 MWh). Their difference is 178,377 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 3 numeric rows displayed in this table, MW ranges from 197 (CT1, CT2) to 274.5 (ST1). The difference is 77.5 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| CT1 | Natural Gas Fired Combined Cycle | 197.0 | 166.5 | 197.1 | 100.0 |
| CT2 | Natural Gas Fired Combined Cycle | 197.0 | 166.5 | 197.1 | 100.0 |
| ST1 | Natural Gas Fired Combined Cycle | 274.5 | 240.0 | 273.0 | 20.0 |
EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.
Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.