Mount Saint Mary's
16300 Old Emmitsburg Road, Emmitsburg, MD 21727Plant Summary Information
Mount Saint Mary's is ranked #46 out of 231 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 April 2026 to July 2026.
| Plant Name | Mount Saint Mary's |
|---|---|
| Utility Name | Constellation Solar Horizons LLC |
| Location | Frederick County, MD |
| Initial Operation Date | July 2012 |
| Last Update | Jul 2026 |
| Annual Generation | 17.1 GWh |
| Annual Consumption | 64.4 k MMBtu |
| Ranked #5,589 out of 13,285 Power Plants Nationwide | |
| Ranked #1,676 out of 7,198 Solar Power Plants Nationwide | |
| Ranked #46 out of 231 Maryland Power Plants | |
| Ranked #17 out of 189 Maryland Solar Power Plants | |
| Fuel Types | Solar |
Map of Mount Saint Mary's
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Mount Saint Mary's.
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 Jul 2026 |
| Initial Operation Date | July 2012 |
| Annual Generation | 17.1 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 |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1666 | Gardy's Mill Solar | Kinsale, VA | 17.4 GWh |
| #1667 | Dane County Airport Solar | Madison, WI | 17.4 GWh |
| #1668 | Whitewright Solar | Whitewright, TX | 17.4 GWh |
| #1669 | Clear Spring Ranch PV Project | Fountain, CO | 17.2 GWh |
| #1670 | Barrett PV | Oxford, MA | 17.2 GWh |
| #1671 | South 49th 013445 SCS Norfolk, LLC | Norfolk, NE | 17.2 GWh |
| #1672 | Peru 2 | Peru, IN | 17.2 GWh |
| #1673 | Mohave Electric Cooperative at Joy Lane | Fort Mohave, AZ | 17.1 GWh |
| #1674 | Wye Mills VNEM CSG | Queen Anne, MD | 17.1 GWh |
| #1675 | Washington White Post Solar LLC | Bath, NC | 17.1 GWh |
| #1677 | Suwannee Solar Facility | Live Oak, FL | 17.1 GWh |
| #1678 | Redstone Arsenal Hybrid | Huntsville, AL | 17.1 GWh |
| #1679 | Costen Solar | Pocomoke City, MD | 17.0 GWh |
| #1680 | Springerville | Springerville, AZ | 5.4 TWh |
| #1681 | Foul Rift Solar Farm | White Twp, NJ | 16.9 GWh |
| #1682 | Calipatria State Prison | Calipatria, CA | 16.9 GWh |
| #1683 | Fresno Community Solar | Fresno, CA | 16.9 GWh |
| #1684 | Lemoore West | Lemoore, CA | 16.7 GWh |
| #1685 | Auburn Renewables LLC | Garrett, IN | 16.7 GWh |
| #1686 | Shorthorn Holdings | McColl, SC | 16.7 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 | 6.0 TWh | 16.6 mi |
| LeGore Bridge Solar Center | Keymar, MD | 3.1 GWh | 7.4 mi |
| Maryland Solar | Hagerstown, MD | 29.1 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 | 14.6 GWh | 17.8 mi |
| Union Bridge Solar | Union Bridge, MD | 11.8 GWh | 11.6 mi |