Mount Saint Mary's

16300 Old Emmitsburg Road, Emmitsburg, MD 21727

Plant Summary Information

Mount Saint Mary's is ranked #38 out of 195 power plants in Maryland in terms of total annual net electricity generation.

Mount Saint Mary's generated 3.6 GWh during the 3-month period between December 2024 to March 2025.

Plant NameMount Saint Mary's
Utility NameConstellation Solar Horizons LLC
LocationFrederick County, MD
Initial Operation DateJuly 2012
Last Update Mar 2025
Annual Generation 17.7 GWh
Annual Consumption 66.2 k MMBtu
Ranked #5,325 out of 12,288 Power Plants Nationwide
Ranked #1,403 out of 6,174 Solar Power Plants Nationwide
Ranked #38 out of 195 Maryland Power Plants
Ranked #11 out of 154 Maryland Solar Power Plants
Fuel Types Solar

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Monthly Net Generation for Mount Saint Mary's

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Mount Saint Mary's Details

Summary Information
Plant NameMount Saint Mary's (57758)
Plant Address16300 Old Emmitsburg Road, Emmitsburg, MD 21727
UtilityConstellation Solar Horizons LLC (57065)
Latitude, Longitude39.675, -77.345
Generation Dates on FileJul 2012 to Mar 2025
Initial Operation DateJuly 2012
Annual Generation 17.7 GWh
Fuel Types Solar
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusYes
FERC Small Power Producer Docket NumberQF10-586
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusNon-Regulated
NERC RegionRFC
Balancing AuthorityPJM Interconnection, LLC (PJM)
NAICS CodeUtilities (22)
Sector IPP Non-CHP (2)
Water Source
Ash Impoundment
Transmission / Distribution OwnerThe Potomac Edison Company (15263) MD
Grid Voltage 34.00 kV
Energy StorageNo

Generator PV1 Details Operating July 2012

TechnologySolar Photovoltaic
Prime MoverPhotovoltaic
OwnershipSingle Owner
Nameplate Capacity13.7 MW
Summer Capacity13.7 MW
Winter Capacity13.7 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 2012
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceSolar
Solid Fuel Gasification No
Multiple FuelsNo
Solar Details
Fixed TiltYes
Azimuth Angle157
Tilt Angle25
DC Net Capacity16.1 MW
Thin Film CDTEYes
Net Metering AgreementYes
Net Metering DC Capacity16.1 MW
Virtual Net Metering AgreementNo

Mount Saint Mary's Plant Owners

Owner NameAddressOwnership
We couldn't locate any owners for this plant

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Nearby Power Plants

Below are closest 20 power plants surrounding Mount Saint Mary's.

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Adams Solar LLC PAGettysburg, PA147.1 GWh16.2 mi
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Blue Ridge LandfillChambersburg, PA46.0 GWh22.9 mi
Cannonball Solar (CSG)Thurmont, MD1.5 GWh9.7 mi
CES VMT SolarHagerstown, MD1.4 GWh20.3 mi
ChambersburgChambersburg, PA193.8 GWh22.4 mi
Emmitsburg Solar ArraysEmmitsburg, MD2.5 GWh2.1 mi
FedEx HagerstownHagerstown, MD2.7 GWh23.9 mi
Fort Detrick Solar PVFrederick, MD21.2 GWh17.2 mi
Francis Scott Key MallFrederick, MD1.3 GWh20.3 mi
Frederick County - LandfillFrederick, MD2.3 GWh20.8 mi
Hostetter Solar One, LLCHagerstown, MD3.9 GWh18.9 mi
HunterstownGettysburg, PA12.4 GWh16.3 mi
Hunterstown Power PlantGettysburg, PA6.2 TWh16.6 mi
Maryland SolarHagerstown, MD30.0 GWh21.4 mi
Orchard ParkChambersburg, PA28.3 GWh23.6 mi
Shepherds Mill CSGUnion Bridge, MD3.3 GWh12.5 mi
Solar HagerstownHagerstown, MD15.9 GWh17.8 mi
Spruce - WCMD - Resh IHagerstown, MD2.8 GWh24.3 mi
Union Bridge SolarUnion Bridge, MD12.3 GWh11.6 mi