Owner profile

Constellation Power Source Generation, LLC

Part of Constellation Energy

Constellation Power Source Generation, LLC owns or operates 6 generating facilities commissioned between 1951 and 1972, with a combined nameplate capacity of 1.20 GW. The largest share of capacity is natural gas (93%), located in Maryland.

Ownership reflects the utility or operator reported to EIA (Form EIA-860); equity ownership of individual facilities may differ.

6
Plants
1.20 GW
Total capacity
1
States
492.3 MW
Largest: Perryman

Capacity mix

Natural Gas 93.1%Oil 6.9%

Operating plants

PlantFuelStateOwnerCapacity
PerrymanNatural GasMarylandConstellation Power Source Generation, LLC492.3 MW
PhiladelphiaOilMarylandConstellation Power Source Generation, LLC82.8 MW
Retired plants (4)
PlantFuelStateOwnerCapacity
Riverside (MD)retired 2019Natural GasMarylandConstellation Power Source Generation, LLC257.2 MW
Notch Cliffretired 2020Natural GasMarylandConstellation Power Source Generation, LLC144 MW
Westportretired 2020Natural GasMarylandConstellation Power Source Generation, LLC121.5 MW
Gould Streetretired 2019Natural GasMarylandConstellation Power Source Generation, LLC103.5 MW