Directory of Power Plants in Pennsylvania
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hummel Station LLC | Hummel Station, LLC | Shamokin Dam, PA | PJM Interconnection, LLC (PJM) | 7.5 TWh | May 2018 | Sep 2025 | Natural Gas |
| Shawville | Shawville Power, LLC | Shawville, PA | PJM Interconnection, LLC (PJM) | 1.0 TWh | Feb 1954 | Sep 2025 | Natural Gas |
| Keystone | KeyCon Operating LLC | Shelocta, PA | PJM Interconnection, LLC (PJM) | 4.2 TWh | Jul 1967 | Sep 2025 | Bituminous Coal |
| Armstrong | Armstrong Power LLC | Shelocta, PA | PJM Interconnection, LLC (PJM) | 1.2 TWh | Apr 2002 | Sep 2025 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Locust Ridge II LLC | Avangrid Power LLC | Shenandoah, PA | PJM Interconnection, LLC (PJM) | 184.1 GWh | Apr 2009 | Dec 2024 | Wind |
| St Nicholas Cogen Project | Schuylkill Energy Resource Inc | Shenandoah, PA | PJM Interconnection, LLC (PJM) | 670.2 GWh | Aug 1990 | Sep 2025 | Waste/Other Coal : 99.7% |
| Cumberland County PA LFG Recovery | NextEra Renewable Fuels, LLC | Shippensburg, PA | PJM Interconnection, LLC (PJM) | 44.7 GWh | Dec 2008 | Dec 2024 | Landfill Gas |
| Beaver Valley | Energy Harbor Nuclear Generation LLC | Shippingport, PA | PJM Interconnection, LLC (PJM) | 15.3 TWh | Aug 1976 | Sep 2025 | Nuclear |
| Cambria Wind LLC | Exus Pennsylvania Wind Holdings | Sidman, PA | PJM Interconnection, LLC (PJM) | 126.1 GWh | Jul 2009 | Dec 2024 | Wind |
| Highland North Wind Farm | Exus Pennsylvania Wind Holdings | Sidman, PA | PJM Interconnection, LLC (PJM) | 173.0 GWh | Feb 2012 | Dec 2024 | Wind |
| Tenaska Westmoreland Generating Station | Tenaska Pennsylvania Partners, LLC | Smithton, PA | PJM Interconnection, LLC (PJM) | 6.8 TWh | Nov 2018 | Sep 2025 | Natural Gas |
| Glades Pike Generation Plant | State Correctnl Inst Laurel Highlands | Somerset, PA | PJM Interconnection, LLC (PJM) | 7.7 GWh | Sep 2011 | Dec 2024 | Landfill Gas |
| Pixelle Specialty Solutions LLC - Spring | Pixelle Specialty Solutions LLC - (PA) | Spring Grove, PA | PJM Interconnection, LLC (PJM) | 411.6 GWh | Apr 1948 | Sep 2025 | Black Liquor : 47.9% Natural Gas : 25.6% Bituminous Coal : 21.6% Wood/Wood Waste Solids : 3.6% Residual Fuel Oil : 0.7% Sludge Waste : 0.6% |
| Spring House | Janssen Pharmaceutical Co | Spring House, PA | PJM Interconnection, LLC (PJM) | 12.4 GWh | Mar 2013 | Dec 2024 | Natural Gas |
| Aspen Road Solar | Urban Grid Solar | Spring Run, PA | PJM Interconnection, LLC (PJM) | 133.1 GWh | - | Sep 2025 | Solar |
| Springdale 1 & 2 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 130.9 GWh | Nov 1999 | Dec 2024 | Natural Gas |
| Allegheny Energy Units 3 4 & 5 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 4.3 TWh | Jun 2003 | Sep 2025 | Natural Gas |
| Whitetail Solar 2 | Lightsource Renewable Energy Asset Management, LLC | St. Thomas, PA | PJM Interconnection, LLC (PJM) | 38.2 GWh | Aug 2020 | Dec 2024 | Solar |
| University Park Solar | SS PA II PSU LLC | State College, PA | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2018 | Dec 2024 | Solar |
| Hamilton Liberty | Hamilton Liberty O&M LLC | Towanda, PA | PJM Interconnection, LLC (PJM) | 5.2 TWh | May 2016 | Sep 2025 | Natural Gas |
| Westwood Generation LLC | Rausch Creek Generation, LLC | Tremont, PA | PJM Interconnection, LLC (PJM) | 147.0 GWh | May 1987 | Dec 2024 | Waste/Other Coal : 99.4% Distillate Fuel Oil : 0.6% |
| Sandy Ridge Wind Farm | Algonquin Power Co | Tyrone, PA | PJM Interconnection, LLC (PJM) | 116.8 GWh | Jan 2012 | Dec 2024 | Wind |
| Sandy Ridge Wind 2, LLC | Algonquin Power Co | Tyrone, PA | PJM Interconnection, LLC (PJM) | 243.7 GWh | Aug 2023 | Sep 2025 | Wind |
| West Campus Steam Plant | Penn State University | University Park, PA | PJM Interconnection, LLC (PJM) | 46.3 GWh | Dec 1937 | Aug 2025 | Natural Gas |
| East Campus Steam Plant | Penn State University | University Park, PA | PJM Interconnection, LLC (PJM) | 48.8 GWh | May 2011 | Sep 2025 | Natural Gas : 99.9% |
| Warren | Warren Generation, LLC | Warren, PA | PJM Interconnection, LLC (PJM) | 16.6 GWh | Aug 1972 | Nov 2024 | Natural Gas |
| Waste Management Arden LFGTE | WM Renewable Energy LLC | Washington, PA | PJM Interconnection, LLC (PJM) | 38.5 GWh | Jan 2009 | Dec 2024 | Landfill Gas |
| TalenEnergy Montour | TalenEnergy Montour LLC | Washingtonville, PA | PJM Interconnection, LLC (PJM) | 4.3 TWh | Jan 1971 | Sep 2025 | Natural Gas |
| Weatherly(PA) RTO BTM | American Mun Power-Ohio, Inc | Weatherly, PA | PJM Interconnection, LLC (PJM) | 114.0 MWh | May 2023 | Dec 2024 | Distillate Fuel Oil |
| Aqua Ingrams Mill | Aqua America Inc | West Chester, PA | PJM Interconnection, LLC (PJM) | 769.0 MWh | Nov 2009 | Dec 2023 | Solar |
| Marlboro Mushrooms Solar Field | Marlboro Mushroom | West Grove, PA | PJM Interconnection, LLC (PJM) | 1.3 GWh | Oct 2011 | Dec 2024 | Solar |
| SECCRA Community Landfill | Southeastern Chester County Refuse Auth | West Grove, PA | PJM Interconnection, LLC (PJM) | 124.0 MWh | Dec 2006 | Dec 2024 | Landfill Gas |
| Cottontail Solar 2 | Lightsource Renewable Energy Asset Management, LLC | West Manchester Towns, PA | PJM Interconnection, LLC (PJM) | 38.0 GWh | Jan 2024 | Dec 2024 | Solar |
| Cottontail Solar 8 | Lightsource Renewable Energy Asset Management, LLC | West Manchester Towns, PA | PJM Interconnection, LLC (PJM) | 34.5 GWh | Mar 2024 | Dec 2024 | Solar |
| New Castle Plant | New Castle Power, LLC | West Pittsburg, PA | PJM Interconnection, LLC (PJM) | 695.9 GWh | Aug 1952 | Dec 2024 | Natural Gas |
| West Point (PA) | Merck & Co Inc-West Point | West Point, PA | PJM Interconnection, LLC (PJM) | 272.0 GWh | Dec 1971 | Dec 2024 | Natural Gas |
| Wolf Run Energy | Wolf Run Energy LLC | Wilmot Township, PA | PJM Interconnection, LLC (PJM) | 44.9 GWh | May 2019 | Dec 2024 | Natural Gas |
| Towanda Facility | REV LNG SSL BC, LLC | Wyalusing, PA | PJM Interconnection, LLC (PJM) | 13.6 GWh | Dec 2020 | Dec 2024 | Natural Gas |
| Brunner Island | Brunner Island LLC | York Haven, PA | PJM Interconnection, LLC (PJM) | 4.1 TWh | Apr 1961 | Sep 2025 | Natural Gas : 60.9% Bituminous Coal : 39.1% |
| York Haven | Eagle Creek Renewable Energy, LLC | York Haven, PA | PJM Interconnection, LLC (PJM) | 86.7 GWh | Nov 1905 | Dec 2024 | Water |
| York County Resource Recovery | York County Solid W & R Auth | York, PA | PJM Interconnection, LLC (PJM) | 222.2 GWh | Oct 1989 | Sep 2025 | Non-biogenic Municipal Solid Waste : 53.5% Biogenic Municipal Solid Waste : 43.7% Natural Gas : 2.8% |
| Cottontail Solar 1 | Lightsource Renewable Energy Asset Management, LLC | York, PA | PJM Interconnection, LLC (PJM) | 13.4 GWh | May 2024 | Dec 2024 | Solar |
| Haleon York RDC Solar Facility | Haleon PLC | York, PA | PJM Interconnection, LLC (PJM) | 798.0 MWh | Nov 2010 | Dec 2024 | Solar |
Browse Power Plants By Pennsylvania Counties
Figures are based on September 2025 generation numbers.| County | State Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| York County, PA | # 1 | 16 | 36.0 TWh |
| Luzerne County, PA | # 2 | 10 | 27.0 TWh |
| Montgomery County, PA | # 3 | 13 | 19.9 TWh |
| Beaver County, PA | # 4 | 12 | 17.0 TWh |
| Northampton County, PA | # 5 | 11 | 13.3 TWh |
| Delaware County, PA | # 6 | 7 | 10.9 TWh |
| Cambria County, PA | # 7 | 11 | 9.9 TWh |
| Lackawanna County, PA | # 8 | 5 | 9.1 TWh |
| Bucks County, PA | # 9 | 10 | 8.1 TWh |
| Berks County, PA | # 10 | 12 | 7.8 TWh |
| Snyder County, PA | # 11 | 4 | 7.6 TWh |
| Lawrence County, PA | # 12 | 3 | 7.0 TWh |
| Indiana County, PA | # 13 | 4 | 6.9 TWh |
| Westmoreland County, PA | # 14 | 4 | 6.8 TWh |
| Lycoming County, PA | # 15 | 8 | 6.6 TWh |
| Adams County, PA | # 16 | 7 | 6.3 TWh |
| Armstrong County, PA | # 17 | 8 | 5.6 TWh |
| Bradford County, PA | # 18 | 9 | 5.4 TWh |
| Allegheny County, PA | # 19 | 18 | 5.2 TWh |
| Lebanon County, PA | # 20 | 4 | 5.0 TWh |
| Greene County, PA | # 21 | 4 | 4.9 TWh |
| Fayette County, PA | # 22 | 8 | 4.8 TWh |
| Montour County, PA | # 23 | 2 | 4.3 TWh |
| Lancaster County, PA | # 24 | 15 | 1.7 TWh |
| Schuylkill County, PA | # 25 | 14 | 1.7 TWh |
| Philadelphia County, PA | # 26 | 16 | 1.2 TWh |
| County | State Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Clearfield County, PA | # 27 | 7 | 1.1 TWh |
| Wyoming County, PA | # 28 | 4 | 918.1 GWh |
| Franklin County, PA | # 29 | 14 | 825.7 GWh |
| Somerset County, PA | # 30 | 16 | 820.7 GWh |
| Blair County, PA | # 31 | 6 | 683.8 GWh |
| Carbon County, PA | # 32 | 6 | 475.1 GWh |
| Potter County, PA | # 33 | 3 | 281.3 GWh |
| Tioga County, PA | # 34 | 6 | 237.6 GWh |
| Wayne County, PA | # 35 | 4 | 182.3 GWh |
| Venango County, PA | # 36 | 3 | 149.6 GWh |
| Fulton County, PA | # 37 | 1 | 111.7 GWh |
| Dauphin County, PA | # 38 | 5 | 107.9 GWh |
| Northumberland County, PA | # 39 | 6 | 102.3 GWh |
| Centre County, PA | # 40 | 5 | 97.4 GWh |
| Huntingdon County, PA | # 41 | 2 | 85.8 GWh |
| Clarion County, PA | # 42 | 4 | 61.4 GWh |
| Cumberland County, PA | # 43 | 7 | 57.4 GWh |
| Union County, PA | # 44 | 3 | 46.0 GWh |
| Elk County, PA | # 45 | 1 | 40.6 GWh |
| Washington County, PA | # 46 | 8 | 38.5 GWh |
| Erie County, PA | # 47 | 6 | 37.9 GWh |
| Juniata County, PA | # 48 | 1 | 33.8 GWh |
| Susquehanna County, PA | # 49 | 5 | 29.9 GWh |
| Chester County, PA | # 50 | 9 | 5.9 GWh |
| Mercer County, PA | # 51 | 2 | 5.2 GWh |
| Monroe County, PA | # 52 | 2 | 2.9 GWh |