Directory of Power Plants in Pennsylvania
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mehoopany Wind Energy LLC | Clearlight Energy Holdings LP | Noxen, PA | PJM Interconnection, LLC (PJM) | 307.0 GWh | Nov 2012 | Dec 2025 | Wind |
| Pixelle Specialty Solutions LLC - Spring | Pixelle Specialty Solutions LLC - (PA) | Spring Grove, PA | PJM Interconnection, LLC (PJM) | 360.6 GWh | Apr 1948 | May 2026 | Black Liquor : 44.5% Natural Gas : 29.4% Bituminous Coal : 20.9% Wood/Wood Waste Solids : 3.6% Residual Fuel Oil : 1.1% Sludge Waste : 0.5% |
| Mon Valley Works | United States Steel-Mon Valley | Dravosburg, PA | PJM Interconnection, LLC (PJM) | 430.7 GWh | May 1943 | Dec 2024 | Blast Furnace Gas : 83.2% Other Gas : 16.8% |
| Scrubgrass Reclamation CO. LP. | Scrubgrass Reclamation CO. LP. | Kennerdell, PA | PJM Interconnection, LLC (PJM) | 438.9 GWh | May 1993 | Dec 2025 | Waste/Other Coal : 99.7% |
| Panther Creek Energy Facility | Panther Creek Power Operating, LLC | Nesquehoning, PA | PJM Interconnection, LLC (PJM) | 446.7 GWh | Jun 1992 | Dec 2024 | Waste/Other Coal : 96.7% Bituminous Coal : 2.6% Distillate Fuel Oil : 0.7% |
| Northampton Generating Company LP | EIF Northampton GP, LLC | Northampton, PA | PJM Interconnection, LLC (PJM) | 495.7 GWh | Jul 1995 | May 2026 | Waste/Other Coal : 95.6% Tire-derived Fuels : 3.1% Waste/Other Oil : 0.9% |
| Twin Ridges Wind Farm | Exus Pennsylvania Wind Holdings | Meyersdale, PA | PJM Interconnection, LLC (PJM) | 510.6 GWh | Nov 2012 | Dec 2025 | Wind |
| Covanta Delaware Valley | Covanta Delaware Valley LP | Chester, PA | PJM Interconnection, LLC (PJM) | 565.3 GWh | Mar 1991 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| John B Rich Memorial Power Station | Gilberton Power Co | Frackville, PA | PJM Interconnection, LLC (PJM) | 641.9 GWh | Jan 1988 | Dec 2025 | Waste/Other Coal : 99.7% |
| St Nicholas Cogen Project | Schuylkill Energy Resource Inc | Shenandoah, PA | PJM Interconnection, LLC (PJM) | 665.7 GWh | Aug 1990 | May 2026 | Waste/Other Coal : 99.6% |
| New Castle Plant | New Castle Power, LLC | West Pittsburg, PA | PJM Interconnection, LLC (PJM) | 695.4 GWh | Aug 1952 | Dec 2025 | Natural Gas |
| Colver Green Energy | Inter-Power/AhlCon Partners, L.P. | Colver, PA | PJM Interconnection, LLC (PJM) | 724.4 GWh | Jan 1995 | Dec 2025 | Waste/Other Coal |
| Procter & Gamble Mehoopany Mill | Procter & Gamble Ppr Prdts Co | Mehoopany, PA | PJM Interconnection, LLC (PJM) | 761.4 GWh | Sep 1984 | Dec 2025 | Natural Gas |
| Holtwood | BIF III Holtwood LLC | Holtwood, PA | PJM Interconnection, LLC (PJM) | 833.4 GWh | Sep 1910 | Dec 2025 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 860.6 GWh | Nov 1931 | Dec 2025 | Water |
| Grays Ferry Cogeneration | Grays Ferry Cogen Partnership | Philadelphia, PA | PJM Interconnection, LLC (PJM) | 1.1 TWh | Sep 1997 | Dec 2025 | Natural Gas : 97.1% Distillate Fuel Oil : 2.9% |
| Armstrong | Armstrong Power LLC | Shelocta, PA | PJM Interconnection, LLC (PJM) | 1.2 TWh | Apr 2002 | May 2026 | Natural Gas : 98.6% Distillate Fuel Oil : 1.4% |
| Shawville | Shawville Power, LLC | Shawville, PA | PJM Interconnection, LLC (PJM) | 1.2 TWh | Feb 1954 | May 2026 | Natural Gas |
| Shell Chemical Appalachia LLC | Shell Chemical Appalachia LLC | Monaca, PA | PJM Interconnection, LLC (PJM) | 1.7 TWh | Jun 2021 | May 2026 | Natural Gas |
| TalenEnergy Martins Creek | TalenEnergy Martins Creek LLC | Bangor, PA | PJM Interconnection, LLC (PJM) | 2.8 TWh | May 1971 | May 2026 | Natural Gas : 94.9% Residual Fuel Oil : 4.9% |
| Birdsboro Power | Birdsboro Power LLC | Birdsboro, PA | PJM Interconnection, LLC (PJM) | 3.1 TWh | Apr 2019 | May 2026 | Natural Gas |
| Seward (PA) | Seward Generating LLC | New Florence, PA | PJM Interconnection, LLC (PJM) | 3.1 TWh | Oct 2004 | May 2026 | Waste/Other Coal : 99.8% |
| Ontelaunee Energy Center | Ontelaunee Energy Center | Reading, PA | PJM Interconnection, LLC (PJM) | 3.7 TWh | Apr 2002 | May 2026 | Natural Gas |
| Allegheny Energy Units 3 4 & 5 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 3.9 TWh | Jun 2003 | May 2026 | Natural Gas |
| Liberty Electric Power Plant | Liberty Electric Power LLC | Eddystone, PA | PJM Interconnection, LLC (PJM) | 3.9 TWh | Apr 2002 | May 2026 | Natural Gas |
| Brunner Island | Brunner Island LLC | York Haven, PA | PJM Interconnection, LLC (PJM) | 4.1 TWh | Apr 1961 | May 2026 | Natural Gas : 72.2% Bituminous Coal : 27.8% |
| Ironwood LLC | Helix Ironwood LLC | Lebanon, PA | PJM Interconnection, LLC (PJM) | 4.1 TWh | Nov 2001 | May 2026 | Natural Gas |
| Hill Top Energy Center, LLC | Hill Top Energy Center, LLC | Carmichaels, PA | PJM Interconnection, LLC (PJM) | 4.2 TWh | Jun 2021 | May 2026 | Natural Gas |
| Lower Mount Bethel Energy | Lower Mount Bethel Energy LLC | Bangor, PA | PJM Interconnection, LLC (PJM) | 4.5 TWh | Jan 2004 | May 2026 | Natural Gas |
| Keystone | KeyCon Operating LLC | Shelocta, PA | PJM Interconnection, LLC (PJM) | 4.5 TWh | Jul 1967 | May 2026 | Bituminous Coal |
| TalenEnergy Montour | TalenEnergy Montour LLC | Washingtonville, PA | PJM Interconnection, LLC (PJM) | 4.7 TWh | Jan 1971 | May 2026 | Natural Gas |
| Conemaugh | KeyCon Operating LLC | New Florence, PA | PJM Interconnection, LLC (PJM) | 4.8 TWh | Jan 1970 | May 2026 | Bituminous Coal : 99.4% Natural Gas : 0.6% |
| Hamilton Liberty | Hamilton Liberty O&M LLC | Towanda, PA | PJM Interconnection, LLC (PJM) | 5.0 TWh | May 2016 | May 2026 | Natural Gas |
| Fayette Energy Facility | Fayette Power Company, LLC | Masontown, PA | PJM Interconnection, LLC (PJM) | 5.2 TWh | May 2003 | May 2026 | Natural Gas |
| Hamilton Patriot Generation Plant | Hamilton Operating Services, LLC | Montgomery, PA | PJM Interconnection, LLC (PJM) | 5.5 TWh | Jun 2016 | May 2026 | Natural Gas |
| CPV Fairview Energy Center | CPV Fairview, LLC | Johnstown, PA | PJM Interconnection, LLC (PJM) | 5.7 TWh | Nov 2019 | May 2026 | Natural Gas |
| Bethlehem Power Plant | Calpine Bethlehem LLC | Bethlehem, PA | PJM Interconnection, LLC (PJM) | 5.9 TWh | Nov 2002 | May 2026 | Natural Gas : 97.7% Distillate Fuel Oil : 2.3% |
| Marcus Hook Energy LP | Marcus Hook Energy LP | Marcus Hook, PA | PJM Interconnection, LLC (PJM) | 5.9 TWh | Nov 2004 | May 2026 | Natural Gas |
| Hunterstown Power Plant | Hunterstown Generation, LLC | Gettysburg, PA | PJM Interconnection, LLC (PJM) | 6.3 TWh | Jun 2003 | May 2026 | Natural Gas |
| Tenaska Westmoreland Generating Station | Tenaska Pennsylvania Partners, LLC | Smithton, PA | PJM Interconnection, LLC (PJM) | 6.4 TWh | Nov 2018 | May 2026 | Natural Gas |
| Hickory Run Energy Station | Hickory Run Energy, LLC | New Castle, PA | PJM Interconnection, LLC (PJM) | 6.8 TWh | Apr 2020 | May 2026 | Natural Gas |
| Moxie Freedom Generation Plant | Moxie Freedom LLC | Salem Township, PA | PJM Interconnection, LLC (PJM) | 7.0 TWh | Jul 2018 | May 2026 | Natural Gas |
| Lackawanna Energy Center | Invenergy Services LLC | Jessup, PA | PJM Interconnection, LLC (PJM) | 8.3 TWh | Feb 2018 | May 2026 | Natural Gas |
| Hummel Station LLC | Hummel Station, LLC | Shamokin Dam, PA | PJM Interconnection, LLC (PJM) | 8.4 TWh | May 2018 | May 2026 | Natural Gas |
| Fairless Energy Center | Edgewater Generation, LLC | Fairless Hills, PA | PJM Interconnection, LLC (PJM) | 8.8 TWh | Apr 2004 | May 2026 | Natural Gas |
| York Energy Center | Calpine Mid-Merit LLC | Delta, PA | PJM Interconnection, LLC (PJM) | 8.9 TWh | Feb 2011 | May 2026 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Beaver Valley | Energy Harbor Nuclear Generation LLC | Shippingport, PA | PJM Interconnection, LLC (PJM) | 14.5 TWh | Aug 1976 | May 2026 | Nuclear |
| TalenEnergy Susquehanna | TalenEnergy Susquehanna LLC | Berwick, PA | PJM Interconnection, LLC (PJM) | 19.3 TWh | May 1983 | May 2026 | Nuclear |
| Limerick | Constellation Nuclear | Sanatoga, PA | PJM Interconnection, LLC (PJM) | 19.4 TWh | Jan 1986 | May 2026 | Nuclear |
| Peach Bottom | Constellation Nuclear | Delta, PA | PJM Interconnection, LLC (PJM) | 22.0 TWh | Jun 1974 | May 2026 | Nuclear |
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 | # 54 | 1 | 2.1 GWh |
| Mercer County, PA | # 53 | 2 | 3.5 GWh |
| Monroe County, PA | # 52 | 2 | 4.0 GWh |
| Lehigh County, PA | # 51 | 5 | 6.0 GWh |
| Chester County, PA | # 50 | 9 | 6.3 GWh |
| Juniata County, PA | # 49 | 2 | 32.0 GWh |
| Susquehanna County, PA | # 48 | 5 | 32.4 GWh |
| Erie County, PA | # 47 | 7 | 32.9 GWh |
| Washington County, PA | # 46 | 8 | 36.4 GWh |
| Union County, PA | # 45 | 3 | 45.9 GWh |
| Clarion County, PA | # 44 | 4 | 62.2 GWh |
| Huntingdon County, PA | # 43 | 2 | 62.8 GWh |
| Cumberland County, PA | # 42 | 8 | 65.7 GWh |
| Centre County, PA | # 41 | 6 | 94.2 GWh |
| Northumberland County, PA | # 40 | 6 | 100.7 GWh |
| Dauphin County, PA | # 39 | 6 | 106.7 GWh |
| Fulton County, PA | # 38 | 1 | 124.5 GWh |
| Elk County, PA | # 37 | 1 | 145.0 GWh |
| Wayne County, PA | # 36 | 4 | 165.7 GWh |
| Tioga County, PA | # 35 | 6 | 269.7 GWh |
| Potter County, PA | # 34 | 3 | 290.1 GWh |
| Carbon County, PA | # 33 | 6 | 470.7 GWh |
| Venango County, PA | # 32 | 3 | 602.5 GWh |
| Blair County, PA | # 31 | 6 | 662.2 GWh |
| Franklin County, PA | # 30 | 18 | 965.1 GWh |
| Somerset County, PA | # 29 | 16 | 1.1 TWh |
| Wyoming County, PA | # 28 | 4 | 1.1 TWh |
| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Philadelphia County, PA | # 27 | 16 | 1.2 TWh |
| Clearfield County, PA | # 26 | 7 | 1.3 TWh |
| Lancaster County, PA | # 25 | 15 | 1.4 TWh |
| Schuylkill County, PA | # 24 | 14 | 1.7 TWh |
| Lebanon County, PA | # 23 | 4 | 4.1 TWh |
| Greene County, PA | # 22 | 4 | 4.2 TWh |
| Montour County, PA | # 21 | 2 | 4.7 TWh |
| Allegheny County, PA | # 20 | 22 | 4.8 TWh |
| Bradford County, PA | # 19 | 9 | 5.2 TWh |
| Fayette County, PA | # 18 | 8 | 5.6 TWh |
| Lycoming County, PA | # 17 | 11 | 5.7 TWh |
| Armstrong County, PA | # 16 | 8 | 6.0 TWh |
| Adams County, PA | # 15 | 7 | 6.4 TWh |
| Westmoreland County, PA | # 14 | 4 | 6.5 TWh |
| Berks County, PA | # 13 | 12 | 6.9 TWh |
| Cambria County, PA | # 12 | 11 | 7.5 TWh |
| Lawrence County, PA | # 11 | 3 | 7.5 TWh |
| Indiana County, PA | # 10 | 4 | 8.0 TWh |
| Lackawanna County, PA | # 9 | 6 | 8.3 TWh |
| Snyder County, PA | # 8 | 8 | 8.4 TWh |
| Bucks County, PA | # 7 | 10 | 9.1 TWh |
| Delaware County, PA | # 6 | 7 | 10.6 TWh |
| Northampton County, PA | # 5 | 11 | 13.7 TWh |
| Beaver County, PA | # 4 | 12 | 16.3 TWh |
| Montgomery County, PA | # 3 | 13 | 19.8 TWh |
| Luzerne County, PA | # 2 | 10 | 26.7 TWh |
| York County, PA | # 1 | 16 | 35.8 TWh |