Directory of Power Plants in Pennsylvania
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Keystone Solar | Altus Power America Management, LLC | Quarryville, PA | PJM Interconnection, LLC (PJM) | 7.1 GWh | Aug 2012 | May 2026 | Solar |
| South Chestnut LLC | Avangrid Power LLC | Farmington, PA | PJM Interconnection, LLC (PJM) | 109.2 GWh | Mar 2012 | Dec 2025 | Wind |
| Highland North Wind Farm | Exus Pennsylvania Wind Holdings | Sidman, PA | PJM Interconnection, LLC (PJM) | 163.9 GWh | Feb 2012 | Dec 2025 | Wind |
| Sandy Ridge Wind Farm | Algonquin Power Co | Tyrone, PA | PJM Interconnection, LLC (PJM) | 131.1 GWh | Jan 2012 | Dec 2025 | Wind |
| Pickering Solar | Aqua America Inc | Phoenixville, PA | PJM Interconnection, LLC (PJM) | 236.6 MWh | Dec 2011 | Aug 2025 | Solar |
| Chestnut Flats Wind Farm | UPC Power Solutions | Altoona, PA | PJM Interconnection, LLC (PJM) | 90.7 GWh | Nov 2011 | Dec 2024 | Wind |
| Mount Joy Wire | Mount Joy Wire Corp | Mount Joy, PA | PJM Interconnection, LLC (PJM) | 5.1 GWh | Nov 2011 | Dec 2025 | Natural Gas |
| Morgantown Solar Park | The Hankin Group | Morgantown, PA | PJM Interconnection, LLC (PJM) | 930.0 MWh | Oct 2011 | Dec 2025 | Solar |
| Romark PA Solar | Romark Logistics of PA Inc. | Hazle Township, PA | PJM Interconnection, LLC (PJM) | 1.6 GWh | Oct 2011 | Dec 2025 | Solar |
| Marlboro Mushrooms Solar Field | Marlboro Mushroom | West Grove, PA | PJM Interconnection, LLC (PJM) | 1.3 GWh | Oct 2011 | Dec 2025 | Solar |
| Glades Pike Generation Plant | State Correctnl Inst Laurel Highlands | Somerset, PA | PJM Interconnection, LLC (PJM) | 8.4 GWh | Sep 2011 | Dec 2025 | Landfill Gas |
| 500 Virginia Solar | Alliance HP Virginia Drive LLC | Ft. Washington, PA | PJM Interconnection, LLC (PJM) | 789.0 MWh | Jun 2011 | Dec 2025 | Solar |
| East Campus Steam Plant | Penn State University | University Park, PA | PJM Interconnection, LLC (PJM) | 50.1 GWh | May 2011 | May 2026 | Natural Gas : 99.9% |
| Masser Farms Realty Solar | Masser Farms Realty Ltd | Sacramento, PA | PJM Interconnection, LLC (PJM) | 1.2 GWh | Apr 2011 | Dec 2024 | Solar |
| Temple Solar Arrays | UGI Energy Services, LLC | Reading, PA | PJM Interconnection, LLC (PJM) | 2.6 GWh | Apr 2011 | May 2026 | Solar |
| 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% |
| PPL Frey Farm Landfill Wind | NextEra Renewable Fuels, LLC | Conestoga, PA | PJM Interconnection, LLC (PJM) | 3.5 GWh | Dec 2010 | Mar 2025 | Wind |
| Merck - Upper Gwynedd Solar Array | Merck - Upper Gwynedd Solar Array | North Wales, PA | PJM Interconnection, LLC (PJM) | 1.6 GWh | Dec 2010 | Dec 2025 | Solar |
| Haleon York RDC Solar Facility | Haleon PLC | York, PA | PJM Interconnection, LLC (PJM) | 1.9 GWh | Nov 2010 | Dec 2025 | Solar |
| Knouse Solar Project 1 | Knouse Food Cooperative Inc | Gardners, PA | PJM Interconnection, LLC (PJM) | 4.0 GWh | Nov 2010 | Dec 2025 | Solar |
| Pocono Solar Project | Pocono International Raceway Inc | Long Pond, PA | PJM Interconnection, LLC (PJM) | 2.9 GWh | Jul 2010 | Dec 2025 | Solar |
| Crayola Solar Project | UGI Energy Services, LLC | Easton, PA | PJM Interconnection, LLC (PJM) | 1.7 GWh | Apr 2010 | May 2026 | Solar |
| Longwood Gardens | Ecogy Pennsylvania Systems LLC | Kennett Square, PA | PJM Interconnection, LLC (PJM) | 1.8 GWh | Apr 2010 | Dec 2024 | Solar |
| Armenia Mountain Wind Farm | ALLETE Clean Energy | Mainesburg, PA | PJM Interconnection, LLC (PJM) | 265.2 GWh | Nov 2009 | Dec 2025 | Wind |
| Stony Creek Wind Farm LLC | RWE Clean Energy | Berlin, PA | PJM Interconnection, LLC (PJM) | 144.2 GWh | Oct 2009 | Dec 2025 | Wind |
| North Allegheny Windpower Project | Duke Energy Renewables Services | Lilly, PA | PJM Interconnection, LLC (PJM) | 201.3 GWh | Aug 2009 | May 2026 | Wind |
| Cambria Wind LLC | Exus Pennsylvania Wind Holdings | Sidman, PA | PJM Interconnection, LLC (PJM) | 128.2 GWh | Jul 2009 | Dec 2025 | Wind |
| Locust Ridge II LLC | Avangrid Power LLC | Shenandoah, PA | PJM Interconnection, LLC (PJM) | 198.7 GWh | Apr 2009 | Dec 2025 | Wind |
| Waste Management Arden LFGTE | WM Renewable Energy LLC | Washington, PA | PJM Interconnection, LLC (PJM) | 36.4 GWh | Jan 2009 | Dec 2025 | Landfill Gas |
| Cumberland County PA LFG Recovery | NextEra Renewable Fuels, LLC | Shippensburg, PA | PJM Interconnection, LLC (PJM) | 41.2 GWh | Dec 2008 | Dec 2025 | Landfill Gas |
| Norther Tier Landfill | NextEra Renewable Fuels, LLC | Burlington, PA | PJM Interconnection, LLC (PJM) | 8.5 GWh | Dec 2008 | Dec 2025 | Landfill Gas |
| MF Mesa Lane LLC | MF Mesa Lane LLC | Morrisville, PA | PJM Interconnection, LLC (PJM) | 3.4 GWh | Oct 2008 | Dec 2024 | Solar |
| Lookout Windpower LLC | Lookout Windpower, LLC | Berlin, PA | PJM Interconnection, LLC (PJM) | 91.1 GWh | Sep 2008 | Dec 2025 | Wind |
| Pioneer Crossing Energy, LLC | Pioneer Crossing Energy LLC | Birdsboro, PA | PJM Interconnection, LLC (PJM) | 38.0 GWh | Sep 2008 | Dec 2025 | Landfill Gas |
| Forward Windpower LLC | Forward Windpower, LLC | Berlin, PA | PJM Interconnection, LLC (PJM) | 54.8 GWh | Mar 2008 | Dec 2025 | Wind |
| Pine Grove | Industrial Power Generating Company LLC | Pine Grove, PA | PJM Interconnection, LLC (PJM) | 96.0 MWh | Jan 2008 | Dec 2025 | Landfill Gas : 96.6% Distillate Fuel Oil : 3.4% |
| Casselman Wind Power Project | Avangrid Power LLC | Garrett, PA | PJM Interconnection, LLC (PJM) | 91.0 GWh | Nov 2007 | Dec 2025 | Wind |
| GLRA Landfill | NextEra Renewable Fuels, LLC | Lebanon, PA | PJM Interconnection, LLC (PJM) | 10.4 GWh | Aug 2007 | Dec 2025 | Landfill Gas |
| Allegheny Ridge Wind Farm | Leeward Asset Management, LLC | Portage, PA | PJM Interconnection, LLC (PJM) | 175.5 GWh | May 2007 | May 2026 | Wind |
| Locust Ridge | Avangrid Power LLC | Mahanoy City, PA | PJM Interconnection, LLC (PJM) | 55.9 GWh | Feb 2007 | Dec 2025 | Wind |
| SECCRA Community Landfill | Southeastern Chester County Refuse Auth | West Grove, PA | PJM Interconnection, LLC (PJM) | 2.0 GWh | Dec 2006 | Dec 2025 | Landfill Gas |
| Lanchester Generating Station | Energy Developments, Inc d/b/a EDL | Narvon, PA | PJM Interconnection, LLC (PJM) | 13.4 GWh | Nov 2006 | Dec 2025 | Landfill Gas |
| Harrisburg Facility | Harrisburg Authority | Harrisburg, PA | PJM Interconnection, LLC (PJM) | 100.7 GWh | Mar 2006 | May 2026 | Non-biogenic Municipal Solid Waste : 51.6% Biogenic Municipal Solid Waste : 42.2% Natural Gas : 6.2% |
| Wind Park Bear Creek | Leeward Asset Management, LLC | Bear Creek, PA | PJM Interconnection, LLC (PJM) | 58.8 GWh | Feb 2006 | May 2026 | Wind |
| Frey Farm Landfill | NextEra Renewable Fuels, LLC | Conestoga, PA | PJM Interconnection, LLC (PJM) | 15.3 GWh | Dec 2005 | Dec 2025 | Landfill Gas |
| Marcus Hook Energy LP | Marcus Hook Energy LP | Marcus Hook, PA | PJM Interconnection, LLC (PJM) | 5.9 TWh | Nov 2004 | 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% |
| Fairless Energy Center | Edgewater Generation, LLC | Fairless Hills, PA | PJM Interconnection, LLC (PJM) | 8.8 TWh | Apr 2004 | 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 |
| Orchard Park | Borough of Chambersburg - (PA) | Chambersburg, PA | PJM Interconnection, LLC (PJM) | 49.0 GWh | Nov 2003 | May 2026 | Natural Gas : 96.0% Distillate Fuel Oil : 4.0% |
| Meyersdale Windpower, LLC | Sequitur Renewables, LLC | Meyersdale, PA | PJM Interconnection, LLC (PJM) | 41.1 GWh | Nov 2003 | May 2026 | Wind |
| Waymart Wind | Sequitur Renewables, LLC | Forest City, PA | PJM Interconnection, LLC (PJM) | 98.4 GWh | Sep 2003 | May 2026 | Wind |
| Allegheny Energy Units 3 4 & 5 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 3.9 TWh | Jun 2003 | 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 |
| Fayette Energy Facility | Fayette Power Company, LLC | Masontown, PA | PJM Interconnection, LLC (PJM) | 5.2 TWh | May 2003 | May 2026 | Natural Gas |
| Mountain View | Industrial Power Generating Company LLC | Greencastle, PA | PJM Interconnection, LLC (PJM) | 26.4 GWh | Feb 2003 | Dec 2025 | Landfill Gas : 95.0% Distillate Fuel Oil : 5.0% |
| 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% |
| Ontelaunee Energy Center | Ontelaunee Energy Center | Reading, PA | PJM Interconnection, LLC (PJM) | 3.7 TWh | Apr 2002 | 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 |
| 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% |
| Ironwood LLC | Helix Ironwood LLC | Lebanon, PA | PJM Interconnection, LLC (PJM) | 4.1 TWh | Nov 2001 | May 2026 | Natural Gas |
| Somerset Windpower LLC | Sequitur Renewables, LLC | Ohiopyle, PA | PJM Interconnection, LLC (PJM) | 6.6 GWh | Nov 2001 | May 2026 | Wind |
| Mill Run Windpower LLC | Sequitur Renewables, LLC | Mill Run, PA | PJM Interconnection, LLC (PJM) | 16.4 GWh | Nov 2001 | May 2026 | Wind |
| Chambersburg | Chambersburg Energy, LLC | Chambersburg, PA | PJM Interconnection, LLC (PJM) | 244.4 GWh | Oct 2001 | Dec 2025 | Natural Gas |
| Handsome Lake Energy LLC | Handsome Lake Energy LLC | Kennerdell, PA | PJM Interconnection, LLC (PJM) | 163.6 GWh | Jun 2001 | Dec 2025 | Natural Gas |
| Green Knight Energy Center | Waste Management Inc | Pen Argyl, PA | PJM Interconnection, LLC (PJM) | 30.4 GWh | Jan 2001 | Dec 2025 | Landfill Gas |
| Hunlock Unit 4 | Hunlock Energy, LLC | Hunlock Creek, PA | PJM Interconnection, LLC (PJM) | 37.9 GWh | Nov 2000 | Dec 2025 | Natural Gas |
| Gans | Gans Energy LLC | Gans, PA | PJM Interconnection, LLC (PJM) | 145.5 GWh | Oct 2000 | Dec 2025 | Natural Gas |
| Springdale 1 & 2 | Springdale Energy LLC | Springdale, PA | PJM Interconnection, LLC (PJM) | 147.3 GWh | Nov 1999 | Dec 2025 | Natural Gas |
| ECP Uptown Campus | ECP Uptown Campus LLC | Pittsburgh, PA | PJM Interconnection, LLC (PJM) | 29.5 GWh | Oct 1997 | Dec 2025 | Natural Gas |
| 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% |
| Lakeview Gas Recovery | WM Renewable Energy LLC | Erie, PA | PJM Interconnection, LLC (PJM) | 32.6 GWh | Apr 1997 | Dec 2025 | Landfill Gas |
| 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% |
| 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 |
| Wheelabrator Falls | Wheelabrator Environmental Systems | Morrisville, PA | PJM Interconnection, LLC (PJM) | 260.0 GWh | Apr 1994 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| 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% |
| Temple SEGF | Temple University | Philadelphia, PA | PJM Interconnection, LLC (PJM) | 906.0 MWh | Apr 1993 | May 2026 | Natural Gas |
| Johnsonburg Mill | Domtar LLC | Johnsonburg, PA | PJM Interconnection, LLC (PJM) | 145.0 GWh | Jan 1993 | Dec 2025 | Black Liquor : 52.9% Natural Gas : 47.1% |
| 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% |
| Reworld Plymouth LLC | Reworld Waste LLC | Conshohocken, PA | PJM Interconnection, LLC (PJM) | 205.5 GWh | Nov 1991 | May 2026 | Non-biogenic Municipal Solid Waste : 54.3% Biogenic Municipal Solid Waste : 44.4% Distillate Fuel Oil : 1.3% |
| Bucknell University | Bucknell University | Lewisburg, PA | PJM Interconnection, LLC (PJM) | 43.6 GWh | Sep 1991 | May 2026 | Natural Gas |
| 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% |
| Lancaster County Resource Recovery | Covanta Lancaster Inc | Brainbridge, PA | PJM Interconnection, LLC (PJM) | 176.4 GWh | Nov 1990 | May 2026 | Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 44.9% |
| Allegheny Hydro No 8 | Allegheny Hydro LP | Adrian, PA | PJM Interconnection, LLC (PJM) | 79.6 GWh | Nov 1990 | Dec 2025 | Water |
| Allegheny Hydro No 9 | Allegheny Hydro LP | Cowansville, PA | PJM Interconnection, LLC (PJM) | 86.4 GWh | Nov 1990 | Dec 2025 | Water |
| Ebensburg Power | Ebensburg Power Co | Ebensburg, PA | PJM Interconnection, LLC (PJM) | 307.0 GWh | Oct 1990 | Dec 2025 | Waste/Other Coal : 99.8% |
| 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% |
| Yough Hydro Power | D/R Hydro Co | Confluence, PA | PJM Interconnection, LLC (PJM) | 38.2 GWh | Nov 1989 | Dec 2025 | Water |
| York County Resource Recovery | York County Solid W & R Auth - (PA) | York, PA | PJM Interconnection, LLC (PJM) | 236.6 GWh | Oct 1989 | May 2026 | Non-biogenic Municipal Solid Waste : 53.8% Biogenic Municipal Solid Waste : 44.0% Natural Gas : 2.2% |
| Conemaugh Hydro Plant | Pennsylvania Renewable Resources | Saltsburg, PA | PJM Interconnection, LLC (PJM) | 43.3 GWh | Jan 1989 | Dec 2025 | Water |
| Hazelton | Hazleton Generation LLC | Hazelton, PA | PJM Interconnection, LLC (PJM) | 8.1 GWh | Dec 1988 | Dec 2025 | Natural Gas : 89.6% Distillate Fuel Oil : 10.4% |
| Allegheny No 6 Hydro Station | Eagle Creek Renewable Energy, LLC | Ford City, PA | PJM Interconnection, LLC (PJM) | 35.6 GWh | Oct 1988 | Dec 2025 | Water |
| Allegheny No. 5 Hydro Station | Eagle Creek Renewable Energy, LLC | Schenley, PA | PJM Interconnection, LLC (PJM) | 35.4 GWh | Sep 1988 | Dec 2025 | Water |
| Archbald Power Station | PEI Power Corp | Archbald, PA | PJM Interconnection, LLC (PJM) | 60.1 GWh | Aug 1988 | May 2026 | Natural Gas : 96.7% Landfill Gas : 3.3% |
| William F Matson Generating Station | Allegheny Electric Coop Inc | Huntingdon, PA | PJM Interconnection, LLC (PJM) | 62.8 GWh | May 1988 | May 2026 | Water |
| Indiana University of Pennsylvania | Indiana University of Penn | Indiana, PA | PJM Interconnection, LLC (PJM) | 19.9 GWh | Feb 1988 | May 2026 | Natural Gas : 97.6% Distillate Fuel Oil : 2.4% |
| 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% |
| Townsend Hydro | Beaver Falls Municipal Auth - (PA) | New Brighton, PA | PJM Interconnection, LLC (PJM) | 14.2 GWh | Sep 1987 | Dec 2025 | Water |
| 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% |
| Paxton Creek Cogeneration | Energy Center Paxton LLC | Harrisburg, PA | PJM Interconnection, LLC (PJM) | 2.1 GWh | Jul 1986 | Dec 2025 | Distillate Fuel Oil : 57.8% Natural Gas : 42.2% |
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 |