Westmoreland Generating Station

Smithton, PA


The Westmoreland Generating Station is a 940-megawatt (MW), natural gas, combined-cycle electric generating station located in Westmoreland County, PA. Westmoreland consists of two Mitsubishi Hitachi Power Systems Americas (MHPS) 501J gas turbine generators, two heat recovery steam generators and one Siemens steam turbine.

Westmoreland uses clean-burning natural gas and effective generation and control technology to ensure low emissions and environmentally responsible operation. The plant’s maximum allowable emissions of nitrogen oxides (NOx), sulfur dioxide (SO2 ) and carbon dioxide (CO2 ) per unit of electricity generated are 95 percent, 99.7 percent and 40 percent lower, respectively, than the average Pennsylvania fossil-fueled plant (based upon actual 2016 emissions).

Power generated by Westmoreland is sold into the PJM Interconnection regional transmission organization to meet growing regional energy needs. The PJM Interconnection market assures the electric reliability of the largest centrally dispatched grid in North America, which includes the state of Pennsylvania. Westmoreland can produce enough electricity to power more than 940,000 homes.

Westmoreland Generating Station

Smithton, PA


446 Smithton Pike
Smithton, PA 15479


Natural Gas, Combined-Cycle

Nominal Capacity:

940 MW

Commercial Operation Date:


DGC Role:

Ownership / Hedge Provider

DGC Ownership:


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