World Power Plants

Mount Saint Mary's is a 13.7 MW solar power plant in the United States, operated by Constellation Solar Horizons LLC and commissioned in 2012. Ranked #512 of 3,289 solar plants in the United States. Its 13.7 MW represents 0.03% of the United States' total solar capacity of 40,823 MW. The largest solar plant in the United States is the Sandstone Solar Energy Project at 2,000 MW, making Mount Saint Mary's 146.7 times smaller. Nearby plants include Hunterstown Power Plant (898 MW, Gas), Chambersburg (87.6 MW, Gas), and Hunterstown (60 MW, Oil). The facility is located in Pennsylvania, approximately 90 km northwest of Baltimore.

Capacity
13.7 MW
Commissioning Year
2012

14 years old

Owner
Constellation Solar Horizons LLC
Location
39.6750°, -77.3450°

United States of America, North America

Context & rankings
  • 4,437. largest of 10,098 plants in United States of America
  • #21,960 worldwide by installed capacity
  • #3,215 of 11,042 Solar plants worldwide
Age & fleet comparison

14 years in operation

Solar fleet average: 10.4 years

Operator portfolio

Constellation Solar Horizons LLC operates 1 plants totalling 14 MW

Regional density

117 plants within 100 km, 22,088 MW combined

Nearest plant: Emmitsburg Solar Arrays (3.3 km)

Location

Coordinates:: 39.675000, -77.345000
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Mount Saint Mary's is a solar power plant producing approximately 22 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~41 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Solar
Energy Source
Renewable
Country
United States of America
Continent
North America
Data Source
Global Power Plant Database

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
GasCoalNuclearWind
Top Fuels

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