PJM Interconnection, LLC
Balancing Authority Summary Information
PJM Interconnection, LLC is ranked #1 out of 65 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | PJM Interconnection, LLC |
|---|---|
| States | Delaware District of Columbia Illinois Indiana Kentucky Maryland Michigan Minnesota New Jersey North Carolina Ohio Pennsylvania Tennessee Virginia West Virginia |
| Last Update | Mar 2026 |
| Annual Generation | 879.0 TWh |
| Power Plants | 2,465 |
| Utilities | 1,203 |
| Ranked #1 out of 65 in terms of net annual generation | |
| Ranked #1 out of 54 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 42% Nuclear | 30.8% Coal | 16.5% Wind | 3.6% Solar | 2.8% Water | 1.7% Other Fuel | 1.6% |
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Daily Net Generation for PJM Interconnection, LLC for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Earthmovers LFGTE | Wabash Valley Power Assn, Inc | Elkhart, IN | 23 GWh | Sep 2010 | Dec 2024 | Landfill Gas |
| Jay County LFGTE | Wabash Valley Power Assn, Inc | Portland, IN | 19 GWh | Mar 2005 | Dec 2024 | Landfill Gas |
| Wallenpaupack | Wallenpuapack Hydro | Drumore, PA | 87 GWh | May 1926 | Dec 2024 | Water |
| FirstEnergy Bay Shore | Walleye Power, LLC | Oregon, OH | 1 TWh | Jul 1955 | Dec 2024 | Petroleum Coke : 99.8% |
| Warren | Warren Generation, LLC | Warren, PA | 17 GWh | Aug 1972 | Nov 2024 | Natural Gas |
| Green Knight Energy Center | Waste Management Inc | Pen Argyl, PA | 41 GWh | Jan 2001 | Dec 2024 | Landfill Gas |
| Waterford Power, LLC | Waterford Power, LLC | Waterford, OH | 5 TWh | Jul 2003 | Dec 2025 | Natural Gas |
| Waverly Solar, LLC | Waverly Solar, LLC | Waverly, VA | 206 GWh | Nov 2023 | Dec 2025 | Solar |
| Charter Dura-Bar | Wells Manufacturing Co | Woodstock, IL | 8 GWh | Mar 1992 | Dec 2025 | Natural Gas |
| Solvay Solar | West Deptford Distributed Solar, LLC | West Deptford, NJ | 8 GWh | Dec 2019 | Dec 2024 | Solar |
| West Deptford Energy Station | West Deptford Energy LLC | West Deptford, NJ | 379 GWh | Sep 2014 | Dec 2025 | Natural Gas |
| Amazon Maryland DCA1 | Westbound Solar LLC | Sparrows Point, MD | 2 GWh | May 2019 | Dec 2024 | Solar |
| Axiall Natrium Plant | Westlake Chemical Natrium Plant | New Martinsville, WV | 617 GWh | Dec 1942 | Dec 2025 | Natural Gas : 97.2% Other Gas : 2.8% |
| Westmoreland County Solar Project | Westmoreland County Solar Project, LLC | WARSAW, VA | 44 GWh | Sep 2021 | Dec 2024 | Solar |
| Covington Facility | WestRock Corp | Covington, VA | 725 GWh | Dec 1950 | Dec 2025 | Black Liquor : 43.8% Natural Gas : 24.7% Wood/Wood Waste Solids : 19.4% Bituminous Coal : 11.6% Residual Fuel Oil : 0.5% |
| KapStone Kraft Paper Corp | Westrock Kraft Paper, LLC | Roanoke Rapids, NC | 199 GWh | Dec 1965 | Dec 2025 | Black Liquor : 62.9% Bituminous Coal : 16.3% Natural Gas : 10.8% Wood/Wood Waste Solids : 9.6% |
| WestRock-West Point Mill | WestRock-West Point Mill | West Point, VA | 549 GWh | Dec 1953 | Dec 2025 | Black Liquor : 43.4% Natural Gas : 36.5% Wood/Wood Waste Solids : 16.2% Bituminous Coal : 2.4% Sludge Waste : 1.4% |
| Wheatsborough Solar | Wheatsborough Solar, LLC | Bellevue, OH | 86 GWh | - | Dec 2025 | Solar |
| Wheelabrator Portsmouth | Wheelabrator Environmental Systems | Portsmouth, VA | 36 GWh | Jan 1987 | Jul 2024 | Distillate Fuel Oil : 46.5% Non-biogenic Municipal Solid Waste : 29.4% Biogenic Municipal Solid Waste : 24.1% |
| Wheelabrator Falls | Wheelabrator Environmental Systems | Morrisville, PA | 262 GWh | Apr 1994 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Gloucester LP | Wheelabrator Environmental Systems | Westville, NJ | 85 GWh | Dec 1989 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | 294 GWh | Oct 1984 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| White Marsh Mall | White Marsh Mall | Baltimore, MD | 1 GWh | Nov 2015 | Dec 2024 | Solar |
| Whitehorn Solar | Whitehorn Solar, LLC | Gretna, VA | 78 GWh | Sep 2021 | Dec 2025 | Solar |
| Whitemarsh Central Utility Plant | Whitemarsh Continuing Care Retirement Community | Lafayette Hill, PA | 97 MWh | Apr 2007 | Dec 2023 | Natural Gas |
| Whitney Hill Wind Power LLC | Whitney Hill Wind Power LLC | Mt.Pulaski, IL | 142 GWh | Feb 2020 | Dec 2025 | Wind |
| Beecher Gas Recovery | Will County Energy LLC | Beecher, IL | 5 GWh | May 2006 | Dec 2024 | Landfill Gas |
| Williamston Speight Solar, LLC | Williamston Speight Solar, LLC | Williamston, NC | 17 GWh | Oct 2016 | Dec 2024 | Solar |
| Wilzig Associates, LLC | Wilzig Associates, LLC | East Rutherford, NJ | 1 GWh | Dec 2012 | Dec 2024 | Solar |
| Greene Valley Gas Recovery | WM Illinois Renewable Energy LLC | Naperville, IL | 23 GWh | Apr 1996 | Dec 2024 | Landfill Gas |
| Settlers Hill Gas Recovery | WM Illinois Renewable Energy LLC | Batavia, IL | 21 GWh | Sep 1988 | Dec 2024 | Landfill Gas |
| Woodland Landfill Gas Recovery | WM Illinois Renewable Energy LLC | South Elgin, IL | 14 GWh | Apr 1992 | Dec 2024 | Landfill Gas |
| Lake Gas Recovery | WM Illinois Renewable Energy LLC | Northbrook, IL | 11 GWh | Jul 1993 | Dec 2024 | Landfill Gas |
| CID Gas Recovery | WM Illinois Renewable Energy LLC | Calumet City, IL | 15 GWh | Feb 1989 | Dec 2024 | Landfill Gas |
| Waste Management King George LFGTE | WM Renewable Energy LLC | King George, VA | 78 GWh | Apr 2010 | Dec 2025 | Landfill Gas |
| Suburban Landfill Gas Recovery | WM Renewable Energy LLC | Glenford, OH | 28 GWh | Dec 2010 | Dec 2024 | Landfill Gas |
| Geneva | WM Renewable Energy LLC | Geneva, OH | 16 GWh | Jun 2013 | Dec 2024 | Landfill Gas |
| Mahoning | WM Renewable Energy LLC | New Springfield, OH | 27 GWh | Dec 2012 | Dec 2024 | Landfill Gas |
| Waste Management Middle Peninsula LFGTE | WM Renewable Energy LLC | Glenns, VA | 50 GWh | Aug 2009 | Dec 2024 | Landfill Gas |
| Waste Management Arden LFGTE | WM Renewable Energy LLC | Washington, PA | 39 GWh | Jan 2009 | Dec 2024 | Landfill Gas |
| Lakeview Gas Recovery | WM Renewable Energy LLC | Erie, PA | 38 GWh | Apr 1997 | Dec 2024 | Landfill Gas |
| Waste Management Bethel LFGTE | WM Renewable Energy LLC | Hampton, VA | 36 GWh | Jan 2008 | Dec 2024 | Landfill Gas |
| Tullytown | WM Renewable Energy LLC | Morrisville, PA | 13 GWh | Feb 2013 | Dec 2024 | Landfill Gas |
| Wolf Run Energy | Wolf Run Energy LLC | Wilmot Township, PA | 45 GWh | May 2019 | Dec 2024 | Natural Gas |
| Wolfcastle | Wolfcastle Solar, LLC | Dekalb, IL | 4 GWh | Sep 2021 | Dec 2024 | Solar |
| Woodbridge Energy Center | Woodbridge Energy Center | Keasbey, NJ | 4 TWh | Sep 2015 | Dec 2025 | Natural Gas |
| Woodlawn II (CSG) | Woodlawn Solar II, LLC | Crete, IL | 2 GWh | Nov 2021 | Dec 2024 | Solar |
| Woodlawn CSG | Woodlawn Solar, LLC | Crete, IL | 5 GWh | May 2021 | Dec 2024 | Solar |
| Wyandot Solar Farm | Wyandot Solar LLC | Upper Sandusky, OH | 10 GWh | Mar 2010 | Dec 2025 | Solar |
| Yellowbud Solar, LLC | Yellowbud Solar LLC | Williamsport, OH | 504 GWh | May 2023 | Dec 2025 | Solar |
| York County Resource Recovery | York County Solid W & R Auth | York, PA | 225 GWh | Oct 1989 | Dec 2025 | Non-biogenic Municipal Solid Waste : 53.7% Biogenic Municipal Solid Waste : 43.9% Natural Gas : 2.4% |
| Zion Energy Center | Zion Energy LLC | Zion, IL | 364 GWh | May 2002 | Dec 2024 | Natural Gas : 99.7% |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #60 | Alcoa Power Generating, Inc. - Yadkin Division | 610.0 GWh | 4 |
| #25 | Dominion Energy South Carolina, Inc. | 25.6 TWh | 87 |
| #13 | Duke Energy Carolinas | 112.4 TWh | 565 |
| #17 | Duke Energy Progress East | 64.5 TWh | 559 |
| #52 | Duke Energy Progress West | 4.3 TWh | 10 |
| #15 | ISO New England | 110.5 TWh | 1,577 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.3 TWh | 25 |
| #12 | New York Independent System Operator | 134.0 TWh | 1,211 |
| #29 | South Carolina Public Service Authority | 18.4 TWh | 34 |
| #59 | Southeastern Power Administration | 1.4 TWh | 11 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 879.0 TWh | 2,465 |
| #2 | Midcontinent Independent System Operator, Inc. | 659.4 TWh | 2,831 |
| #3 | Electric Reliability Council of Texas, Inc. | 484.9 TWh | 1,313 |
| #5 | Southwest Power Pool | 300.1 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 179.9 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 162.4 TWh | 204 |
| #10 | Florida Power & Light Co. | 150.5 TWh | 187 |
| #12 | New York Independent System Operator | 134.0 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.4 TWh | 565 |