1 Allegheny Energy Units 3 4 & 5 Springdale Energy LLC Detailed profile 556 MW Natural Gas Fired Combined Cycle Springdale Energy LLC Allegheny County 2 Brunot Island Brunot Island Power, LLC Detailed profile 365.4 MW Petroleum Liquids, Natural Gas Fired Combined Cycle Brunot Island Power, LLC Allegheny County 3 Springdale 1 & 2 Springdale Energy LLC 87.6 MW Natural Gas Fired Combustion Turbine Springdale Energy LLC Allegheny County 4 Mon Valley Works United States Steel-Mon Valley 52.5 MW Other Gases United States Steel-Mon Valley Allegheny County 5 Clairton Works United States Steel- Clairton 31 MW Other Gases United States Steel- Clairton Allegheny County 6 Pittsburgh Airport Gas Plant IMG Energy Solutions 22 MW Natural Gas Internal Combustion Engine IMG Energy Solutions Allegheny County 7 ECP Uptown Campus ECP Uptown Campus LLC 5.6 MW Natural Gas Fired Combustion Turbine ECP Uptown Campus LLC Allegheny County 8 Ohara CSG 1 LLC Dimension Energy LLC 3 MW Solar Photovoltaic Dimension Energy LLC Allegheny County 9 PG Solar 1 IMG Energy Solutions 3 MW Solar Photovoltaic IMG Energy Solutions Allegheny County