Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/56846
EIA plant 56846
Waldorf · Charles · MD
CPV St Charles Energy Center
Operated by CPV Maryland LLC
Published location
Where is CPV St Charles Energy Center?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
38.568600, -76.891900
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 MD 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.
1307,709
2292,858
3231,168
4400,156
5296,066
6215,961
7419,783
8291,858
9318,235
10431,265
11249,423
12173,985
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 | 307,709 |
| 2 | 292,858 |
| 3 | 231,168 |
| 4 | 400,156 |
| 5 | 296,066 |
| 6 | 215,961 |
| 7 | 419,783 |
| 8 | 291,858 |
| 9 | 318,235 |
| 10 | 431,265 |
| 11 | 249,423 |
| 12 | 173,985 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 307,709 MWh |
| 2 | 292,858 MWh |
| 3 | 231,168 MWh |
| 4 | 400,156 MWh |
| 5 | 296,066 MWh |
| 6 | 215,961 MWh |
| 7 | 419,783 MWh |
| 8 | 291,858 MWh |
| 9 | 318,235 MWh |
| 10 | 431,265 MWh |
| 11 | 249,423 MWh |
| 12 | 173,985 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| STGEN | Natural Gas Fired Combined Cycle | NG | 328.1 | OP |
| GTG1 | Natural Gas Fired Combined Cycle | NG | 223.6 | OP |
| GTG2 | Natural Gas Fired Combined Cycle | NG | 223.6 | OP |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
56846
Sector
IPP Non-CHP
Water source
Mattawoman WWTP
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 CPV St Charles Energy Center 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 CPV St Charles Energy Center
Variation in the published months
Across 12 numeric monthly generation entries, 10 has the highest recorded value (431,265 MWh) and 12 the lowest (173,985 MWh). Their difference is 257,280 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 223.6 (GTG1, GTG2) to 328.1 (STGEN). The difference is 104.5 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 |
|---|---|---|---|---|---|
| GTG1 | Natural Gas Fired Combined Cycle | 223.6 | 213.4 | 234.9 | 90.0 |
| GTG2 | Natural Gas Fired Combined Cycle | 223.6 | 213.9 | 232.1 | 90.0 |
| STGEN | Natural Gas Fired Combined Cycle | 328.1 | 305.0 | 304.5 | 0.0 |
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.