Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/57758
EIA plant 57758
Emmitsburg · Frederick · MD
Mount Saint Mary's
Operated by Constellation Solar Horizons LLC
Published location
Where is Mount Saint Mary's?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
39.675000, -77.345000
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.
1704
21,397
31,688
41,641
51,685
61,984
71,901
81,791
91,387
101,747
111,174
12771
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 | 704 |
| 2 | 1,397 |
| 3 | 1,688 |
| 4 | 1,641 |
| 5 | 1,685 |
| 6 | 1,984 |
| 7 | 1,901 |
| 8 | 1,791 |
| 9 | 1,387 |
| 10 | 1,747 |
| 11 | 1,174 |
| 12 | 771 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 704 MWh |
| 2 | 1,397 MWh |
| 3 | 1,688 MWh |
| 4 | 1,641 MWh |
| 5 | 1,685 MWh |
| 6 | 1,984 MWh |
| 7 | 1,901 MWh |
| 8 | 1,791 MWh |
| 9 | 1,387 MWh |
| 10 | 1,747 MWh |
| 11 | 1,174 MWh |
| 12 | 771 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| PV1 | Solar Photovoltaic | SUN | 13.7 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
57758
Sector
IPP Non-CHP
Water source
Unavailable
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 Mount Saint Mary's 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 Mount Saint Mary's
Variation in the published months
Across 12 numeric monthly generation entries, 6 has the highest recorded value (1,984 MWh) and 1 the lowest (704 MWh). Their difference is 1,280 MWh. Missing months have not been treated as zero.