Directory of Power Plants in Pennsylvania
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Keystone | KeyCon Operating LLC | Shelocta, PA | PJM Interconnection, LLC (PJM) | 4.0 TWh | Jul 1967 | Aug 2026 | Bituminous Coal |
| Knouse Solar Project 1 | Knouse Food Cooperative Inc | Gardners, PA | PJM Interconnection, LLC (PJM) | 4.0 GWh | Nov 2010 | Dec 2025 | Solar |
| Keystone Solar | Altus Power America Management, LLC | Quarryville, PA | PJM Interconnection, LLC (PJM) | 6.8 GWh | Aug 2012 | Aug 2026 | Solar |
Browse Power Plants By Pennsylvania Counties
Figures are based on December 2025 generation numbers.| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Perry County, PA | # 55 | 1 | 2.1 GWh |
| Mercer County, PA | # 54 | 2 | 3.5 GWh |
| Monroe County, PA | # 53 | 2 | 4.0 GWh |
| Lehigh County, PA | # 52 | 5 | 6.0 GWh |
| Chester County, PA | # 51 | 9 | 6.7 GWh |
| Forest County, PA | # 50 | 1 | 18.9 GWh |
| Juniata County, PA | # 49 | 3 | 32.0 GWh |
| Susquehanna County, PA | # 48 | 5 | 32.4 GWh |
| Washington County, PA | # 47 | 8 | 36.4 GWh |
| Union County, PA | # 46 | 3 | 46.1 GWh |
| Huntingdon County, PA | # 45 | 2 | 53.2 GWh |
| Erie County, PA | # 44 | 7 | 56.1 GWh |
| Clarion County, PA | # 43 | 6 | 62.2 GWh |
| Cumberland County, PA | # 42 | 8 | 65.8 GWh |
| Centre County, PA | # 41 | 6 | 95.0 GWh |
| Dauphin County, PA | # 40 | 6 | 107.3 GWh |
| Fulton County, PA | # 39 | 1 | 123.8 GWh |
| Northumberland County, PA | # 38 | 7 | 132.4 GWh |
| Elk County, PA | # 37 | 3 | 145.0 GWh |
| Wayne County, PA | # 36 | 5 | 168.0 GWh |
| Tioga County, PA | # 35 | 6 | 269.7 GWh |
| Potter County, PA | # 34 | 5 | 291.5 GWh |
| Carbon County, PA | # 33 | 6 | 407.3 GWh |
| Venango County, PA | # 32 | 3 | 610.6 GWh |
| Blair County, PA | # 31 | 6 | 674.7 GWh |
| Franklin County, PA | # 30 | 18 | 972.4 GWh |
| Wyoming County, PA | # 29 | 4 | 1.1 TWh |
| Somerset County, PA | # 28 | 16 | 1.1 TWh |
| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Philadelphia County, PA | # 27 | 17 | 1.2 TWh |
| Clearfield County, PA | # 26 | 13 | 1.4 TWh |
| Lancaster County, PA | # 25 | 15 | 1.5 TWh |
| Schuylkill County, PA | # 24 | 14 | 1.7 TWh |
| Lebanon County, PA | # 23 | 4 | 4.0 TWh |
| Greene County, PA | # 22 | 4 | 4.1 TWh |
| Allegheny County, PA | # 21 | 22 | 4.7 TWh |
| Montour County, PA | # 20 | 3 | 5.2 TWh |
| Bradford County, PA | # 19 | 9 | 5.3 TWh |
| Armstrong County, PA | # 18 | 14 | 5.5 TWh |
| Fayette County, PA | # 17 | 8 | 5.7 TWh |
| Lycoming County, PA | # 16 | 11 | 5.8 TWh |
| Adams County, PA | # 15 | 7 | 6.0 TWh |
| Cambria County, PA | # 14 | 11 | 6.4 TWh |
| Westmoreland County, PA | # 13 | 6 | 6.5 TWh |
| Berks County, PA | # 12 | 12 | 6.9 TWh |
| Indiana County, PA | # 11 | 4 | 7.4 TWh |
| Lawrence County, PA | # 10 | 3 | 7.6 TWh |
| Lackawanna County, PA | # 9 | 6 | 7.9 TWh |
| Snyder County, PA | # 8 | 9 | 8.4 TWh |
| Bucks County, PA | # 7 | 10 | 9.4 TWh |
| Delaware County, PA | # 6 | 7 | 10.7 TWh |
| Northampton County, PA | # 5 | 11 | 14.6 TWh |
| Beaver County, PA | # 4 | 12 | 16.4 TWh |
| Montgomery County, PA | # 3 | 13 | 19.8 TWh |
| Luzerne County, PA | # 2 | 11 | 27.4 TWh |
| York County, PA | # 1 | 16 | 35.6 TWh |