| Homer City Generating Station | coal | 2,012 MW | 2024-04-01 | Indiana |
| Eddystone Generating Station | coal | 707 MW | 2012-05-01 | Delaware |
| Sunbury Generation LP | coal | 438 MW | 2014-07-01 | Snyder |
| Portland (PA) | coal | 427 MW | 2014-06-01 | Northampton |
| Cromby Generating Station | oil | 420 MW | 2011-12-01 | Chester |
| TalenEnergy Martins Creek | coal | 411 MW | 2023-06-01 | Northampton |
| Delaware Generating Station | oil | 315 MW | 2006-11-01 | Philadelphia |
| Titus | coal | 225 MW | 2013-09-01 | Berks |
| Seward (PA) | coal | 218 MW | 2003-11-01 | Indiana |
| Schuylkill Generating Station | oil | 193 MW | 2012-12-01 | Philadelphia |
| York Energy Center | gas | 120 MW | — | York |
| Warren | coal | 84 MW | 2002-09-01 | Warren |
| Highland North Wind | mine | 75 MW | — | — |
| New Castle Plant | coal | 70 MW | 1993-12-01 | Lawrence |
| Chester Operations | oil | 67 MW | 2019-09-01 | Delaware |
| TalenEnergy Martin Creek LLC Allentown | oil | 64 MW | 2022-06-01 | Lehigh |
| TalenEnergy Martins Creek LLC Harrisburg | oil | 64 MW | 2022-06-01 | Dauphin |
| Highland Wind | mine | 63 MW | — | — |
| Fairless Hills | gas | 60 MW | 2020-06-01 | Bucks |
| Brunot Island | oil | 51 MW | 2014-05-01 | Allegheny |
| Wheelabrator Frackville Energy | coal | 48 MW | 2020-02-01 | Schuylkill |
| TalenEnergy Martins Creek LLC West Shore | oil | 37 MW | 2022-04-01 | Cumberland |
| TalenEnergy Martins Creek LLC Fishbach | oil | 37 MW | 2022-04-01 | Schuylkill |
| Casselman Wind Power Project | mine | 35 MW | — | — |
| TalenEnergy Martins Creek LLC Harwood | oil | 32 MW | 2022-06-01 | Luzerne |
| TalenEnergy Martins Creek LLC Williamspo | oil | 32 MW | 2022-04-01 | Lycoming |
| TalenEnergy Martins Creek LLC Jenkins | oil | 32 MW | 2022-04-01 | Luzerne |
| Alpaca | gas | 22 MW | — | Bradford |
| Milan | gas | 22 MW | — | Bradford |
| Oxbow Creek | gas | 21 MW | — | Wyoming |
| TalenEnergy Martins Creek LLC Lock Haven | oil | 19 MW | 2022-04-01 | Lycoming |
| TalenEnergy Montour | coal | 17 MW | 2019-02-01 | Montour |
| Broad Mountain | gas | 11 MW | 2023-10-01 | Schuylkill |
| Montgomery L&D Hydroelectric Project | hydro | 10 MW | — | Beaver |
| Harrisburg Facility | waste | 8 MW | 2003-04-01 | Dauphin |
| Brunner Island | oil | 8 MW | 2018-02-01 | York |
| North Wales Diesel | oil | 7 MW | 2024-12-01 | Montgomery |
| West Campus Steam Plant | coal | 6 MW | 2015-03-01 | Centre |
| Stowe Power Production Plant | gas | 6 MW | 2015-11-01 | Montgomery |
| West Point (PA) | gas | 6 MW | 2020-05-01 | Montgomery |
| Pixelle Specialty Solutions LLC - Spring | gas | 6 MW | 2016-12-01 | York |
| Maidencreek Biomass Plant | biomass | 5 MW | — | Berks |
| PPL Glendon LFGTE Plant | gas | 5 MW | 2021-12-01 | Northampton |
| Juniata Locomotive Shop | coal | 4 MW | 2015-04-01 | Blair |
| Glades Pike Generation Plant | gas | 3 MW | 2021-01-01 | Somerset |
| Frey Farm Landfill | landfill | 3 MW | — | — |
| Pioneer Crossing Energy, LLC | gas | 3 MW | — | Berks |
| Exelon-Conergy Solar Energy Center | landfill | 3 MW | — | — |
| Hazelwood Green’s Mill 19 Solar | brownfield | 2 MW | — | — |
| Vitro Architectural Glass (PA) | oil | 2 MW | 2021-11-01 | Cumberland |
| Whitemarsh Central Utility Plant | gas | 2 MW | 2022-05-01 | Montgomery |
| Jersey Shore Steel Co | gas | 2 MW | — | Clinton |
| SECCRA Community Landfill | gas | 1 MW | 2010-11-01 | Chester |
| York County Landfill Solar | superfund | 0 MW | — | — |
| Palmerton Zinc Pile | superfund | 0 MW | — | — |
| Paseo Verde South Apartments | brownfield | — | — | — |
| Ambler Pennsylvania Boiler House (GSHP) | manufacturing | — | — | — |
| USN Phila Naval Shipyard | brownfield | — | — | — |
| Pittsburg Airport | landfill | — | — | — |