Mount Saint Mary's
16300 Old Emmitsburg Road, Emmitsburg, MD 21727Plant Summary Information
Mount Saint Mary's is ranked #45 out of 226 power plants in Maryland in terms of total annual net electricity generation.
Mount Saint Mary's generated 5.6 GWh during the 3-month period between March 2026 to June 2026.
| Plant Name | Mount Saint Mary's |
|---|---|
| Utility Name | Constellation Solar Horizons LLC |
| Location | Frederick County, MD |
| Initial Operation Date | July 2012 |
| Last Update | Jun 2026 |
| Annual Generation | 17.0 GWh |
| Annual Consumption | 63.8 k MMBtu |
| Ranked #5,569 out of 13,094 Power Plants Nationwide | |
| Ranked #1,666 out of 7,027 Solar Power Plants Nationwide | |
| Ranked #45 out of 226 Maryland Power Plants | |
| Ranked #16 out of 184 Maryland Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Mount Saint Mary's
Monthly Plant Fuel Consumption for Mount Saint Mary's
Mount Saint Mary's Details
| Summary Information | |
|---|---|
| Plant Name | Mount Saint Mary's (57758) |
| Plant Address | 16300 Old Emmitsburg Road, Emmitsburg, MD 21727 |
| Utility | Constellation Solar Horizons LLC (57065) |
| Latitude, Longitude | 39.675, -77.345 |
| Generation Dates on File | Jul 2012 to Jun 2026 |
| Initial Operation Date | July 2012 |
| Annual Generation | 17.0 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | QF10-586 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | RFC |
| Balancing Authority | PJM Interconnection, LLC (PJM) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | The Potomac Edison Company (15263) MD |
| Grid Voltage | 34.00 kV |
| Energy Storage | No |
Generator PV1 Details Operating July 2012
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 13.7 MW |
| Summer Capacity | 13.7 MW |
| Winter Capacity | 13.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2012 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solid Fuel Gasification | No |
| Multiple Fuels | No |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 157 |
| Tilt Angle | 25 |
| DC Net Capacity | 16.1 MW |
| Thin Film CDTE | Yes |
| Net Metering Agreement | Yes |
| Net Metering DC Capacity | 16.1 MW |
| Virtual Net Metering Agreement | No |
Mount Saint Mary's Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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|---|---|---|---|
| #1656 | Dane County Airport Solar | Madison, WI | 17.4 GWh |
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| #1661 | Mohave Electric Cooperative at Joy Lane | Fort Mohave, AZ | 17.1 GWh |
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| #1663 | Washington White Post Solar LLC | Bath, NC | 17.1 GWh |
| #1664 | Suwannee Solar Facility | Live Oak, FL | 17.1 GWh |
| #1665 | Redstone Arsenal Hybrid | Huntsville, AL | 17.1 GWh |
| #1667 | Costen Solar | Pocomoke City, MD | 17.0 GWh |
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| #1669 | Calipatria State Prison | Calipatria, CA | 16.9 GWh |
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| #1671 | Lemoore West | Lemoore, CA | 16.7 GWh |
| #1672 | Auburn Renewables LLC | Garrett, IN | 16.7 GWh |
| #1673 | Shorthorn Holdings | McColl, SC | 16.7 GWh |
| #1674 | Sierra Pacific Industries (2042-RD) | Red Bluff, CA | 16.7 GWh |
| #1675 | St. Matthews Solar | Matthews, SC | 16.6 GWh |
| #1676 | Gaston Solar I - SC | Gaston, SC | 16.5 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Mount Saint Mary's.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Adams Solar LLC PA | Gettysburg, PA | 146.0 GWh | 16.2 mi |
| Baker Point | Thurmont, MD | 14.1 GWh | 7.3 mi |
| Biggs Ford Solar Center | Walkersville, MD | 10.1 GWh | 13.4 mi |
| Blue Ridge Landfill | Chambersburg, PA | 41.7 GWh | 22.9 mi |
| Cannonball Solar (CSG) | Thurmont, MD | 3.3 GWh | 9.7 mi |
| CES VMT Solar | Hagerstown, MD | 1.5 GWh | 20.3 mi |
| Chambersburg | Chambersburg, PA | 244.4 GWh | 22.4 mi |
| Emmitsburg Solar Arrays | Emmitsburg, MD | 2.3 GWh | 2.1 mi |
| Fort Detrick Solar PV | Frederick, MD | 19.7 GWh | 17.2 mi |
| Francis Scott Key Mall | Frederick, MD | 1.5 GWh | 20.3 mi |
| Frederick County - Landfill | Frederick, MD | 60.0 MWh | 20.8 mi |
| Hostetter Solar One, LLC | Hagerstown, MD | 3.5 GWh | 18.9 mi |
| Hunterstown | Gettysburg, PA | 24.5 GWh | 16.3 mi |
| Hunterstown Power Plant | Gettysburg, PA | 6.3 TWh | 16.6 mi |
| LeGore Bridge Solar Center | Keymar, MD | 3.1 GWh | 7.4 mi |
| Maryland Solar | Hagerstown, MD | 29.5 GWh | 21.4 mi |
| Orrtanna | Orrtanna, PA | 417.0 MWh | 11.7 mi |
| Shepherds Mill CSG | Union Bridge, MD | 3.0 GWh | 12.5 mi |
| Solar Hagerstown | Hagerstown, MD | 15.9 GWh | 17.8 mi |
| Union Bridge Solar | Union Bridge, MD | 11.8 GWh | 11.6 mi |