PJM Interconnection, LLC
Balancing Authority Summary Information
PJM Interconnection, LLC is ranked #1 out of 64 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 | Oct 2026 |
| Annual Generation | 892.1 TWh |
| Power Plants | 2,806 |
| Utilities | 1,309 |
| Ranked #1 out of 64 in terms of net annual generation | |
| Ranked #1 out of 53 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 41.1% Nuclear | 30.5% Coal | 16.5% Wind | 3.8% Solar | 3.2% Other Fuel | 2.3% Water | 1.7% |
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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 |
|---|---|---|---|---|---|---|
| Meadow Lake Wind Farm III LLC | Meadow Lake Wind Farm III LLC | Lafayette, IN | 258 GWh | Aug 2010 | Dec 2025 | Wind |
| Meadow Lake Wind Farm IV | Meadow Lake Wind Farm IV LLC | Lafayette, IN | 104 GWh | Sep 2010 | Dec 2025 | Wind |
| Meadow Lake Wind Farm LLC | Meadow Lake Wind Farm LLC | Lafayette, IN | 432 GWh | Sep 2009 | Dec 2025 | Wind |
| Meadow Lake Wind Farm V LLC | Meadow Lake Wind Farm V LLC | Chalmers, IN | 351 GWh | Jun 2017 | Jul 2026 | Wind |
| Mechanicsville Solar | Mechanicsville Solar, LLC | Mechanicsville, VA | 62 GWh | Aug 2020 | Jul 2026 | Solar |
| Mendota | Mendota US Solar 1 LLC | Mendota, IL | 3 GWh | Nov 2020 | Dec 2025 | Solar |
| Merck - Upper Gwynedd Solar Array | Merck - Upper Gwynedd Solar Array | North Wales, PA | 2 GWh | Dec 2010 | Dec 2025 | Solar |
| Elkton | Merck & Co Inc | Elkton, VA | 7 GWh | May 1982 | Dec 2025 | Natural Gas : 99.9% |
| Merck Rahway Power Plant | Merck & Co Inc | Rahway, NJ | 42 GWh | Dec 1976 | Jul 2026 | Natural Gas : 92.4% Distillate Fuel Oil : 7.1% |
| West Point (PA) | Merck & Co Inc-West Point | West Point, PA | 265 GWh | Dec 1971 | Dec 2025 | Natural Gas |
| Rotor Clip | MERIT SI | Somerset, NJ | 470 MWh | Nov 2018 | Dec 2025 | Solar |
| Lockport Powerhouse | Metro Wtr Recl Dist Grtr Chi | Lockport, IL | 20 GWh | Jan 1999 | Jul 2026 | Water |
| MPEA Energy Center | Metropolitan Pier and Exposition Auth | Chicago, IL | 4 MWh | Dec 1996 | Dec 2025 | Distillate Fuel Oil |
| MF Mesa Lane LLC | MF Mesa Lane LLC | Morrisville, PA | 3 GWh | Oct 2008 | Dec 2025 | Solar |
| Wolf Hills Energy | Middle River Power II, LLC | Bristol, VA | 287 GWh | Apr 2001 | Dec 2025 | Natural Gas |
| Big Sandy Peaker Plant | Middle River Power II, LLC | Kenona, WV | 330 GWh | Jun 2001 | Dec 2025 | Natural Gas |
| Middlesex County Utilities Authority | Middlesex County Utilities Authority - (NJ) | Sayreville, NJ | 107 GWh | Dec 1960 | Jul 2026 | Landfill Gas |
| Powerton | Midwest Generations EME LLC | Pekin, IL | 3 TWh | Aug 1972 | Jul 2026 | Subbituminous Coal : 99.8% |
| Fisk Street | Midwest Generations EME LLC | Chicago, IL | 3 GWh | Jun 1968 | Dec 2025 | Distillate Fuel Oil |
| Milan | Milan Energy LLC | Milan, PA | 41 GWh | Feb 2017 | Dec 2025 | Natural Gas |
| Milford Solar Farm | Milford Solar LLC | Milford, DE | 18 GWh | Nov 2012 | Jul 2026 | Solar |
| Seabrook Solar Plant | MN8 Energy LLC | Seabrook, NJ | 8 GWh | Feb 2011 | Dec 2025 | Solar |
| McKee City Solar Phase 2 | MN8 Energy LLC | Egg Harbor Township, NJ | 922 MWh | Nov 2011 | Dec 2024 | Solar |
| WC Landfill Energy LLC | MN8 Energy LLC | Oxford, NJ | 683 MWh | Oct 2006 | Dec 2025 | Solar |
| ETS Ewing Solar Facility | MN8 Energy LLC | Ewing, NJ | 558 MWh | May 2010 | Dec 2025 | Solar |
| Stockton Athletic Center | MN8 Energy LLC | Pomona, NJ | 1 GWh | Jan 2009 | Dec 2025 | Solar |
| L'Oreal Piscataway | MN8 Energy LLC | New Brunswick, NJ | 1 GWh | Nov 2011 | Dec 2025 | Solar |
| Berry Plastics Solar | MN8 Energy LLC | Phillipsburg, NJ | 13 GWh | Nov 2013 | Dec 2025 | Solar |
| Millville City Sewer Auth WTP | MN8 Energy LLC | Millville, NJ | 1 GWh | Feb 2013 | Dec 2025 | Solar |
| Tissington Solar | MN8 Energy LLC | Vernon Township, NJ | 4 GWh | Aug 2019 | Dec 2025 | Solar |
| Spring Lane | MN8 Energy LLC | Ligonier, PA | 19 GWh | Nov 2024 | Dec 2025 | Solar |
| Bluegrass Solar 2 | MN8 Energy LLC | Sudlersville, MD | 36 GWh | Sep 2022 | Jul 2026 | Solar |
| Pittsgrove Solar | MN8 Energy LLC | Elmer, NJ | 3 GWh | Apr 2014 | Dec 2025 | Solar |
| Bluegrass Solar | MN8 Energy LLC | Church Hill, MD | 145 GWh | Sep 2022 | Jul 2026 | Solar |
| Church Hill | MN8 Energy LLC | Church Hill, MD | 6 GWh | Apr 2016 | Jul 2026 | Solar |
| Longview Solar | MN8 Energy LLC | Hebron, MD | 20 GWh | Jan 2016 | Jul 2026 | Solar |
| Bordentown Solar | MN8 Energy LLC | Burlington, NJ | 9 GWh | Nov 2015 | Jul 2026 | Solar |
| Brickyard Solar | MN8 Energy LLC | Farmingdale, NJ | 2 GWh | May 2015 | Dec 2025 | Solar |
| Frankford Solar | MN8 Energy LLC | Branchville, NJ | 8 GWh | Mar 2012 | Dec 2025 | Solar |
| Raritan Solar | MN8 Energy LLC | Ringoes, NJ | 12 GWh | Mar 2016 | Jul 2026 | Solar |
| Owens Corning | MN8 Energy LLC | Gloucester Township, NJ | 3 GWh | Nov 2016 | Dec 2025 | Solar |
| Howell Solar | MN8 Energy LLC | Howell, NJ | 7 GWh | Feb 2016 | Jul 2026 | Solar |
| East Orange Solar | MN8 Energy LLC | Millburn Township, NJ | 5 GWh | Feb 2015 | Dec 2025 | Solar |
| Lakewood Cheddar School | MN8 Energy LLC | Lakewood, NJ | 629 MWh | Dec 2012 | Dec 2025 | Solar |
| WMATA - Cheverly Metro (CSG) | MN8 Energy LLC | Cheverly, MD | 2 GWh | Nov 2024 | Dec 2025 | Solar |
| IFF Hazlet | MN8 Energy LLC | Hazlet, NJ | 4 GWh | Nov 2014 | Dec 2025 | Solar |
| Toms River CSG | MN8 Energy LLC | Toms River, NJ | 6 GWh | Aug 2023 | Dec 2025 | Solar |
| Ben Moreell Solar Farm | MN8 Energy LLC | Tinton Falls, NJ | 35 GWh | Dec 2019 | Dec 2025 | Solar |
| Spruce - WCMD - Resh I | MN8 Energy LLC | Hagerstown, MD | 3 GWh | Feb 2016 | Dec 2025 | Solar |
| Spruce - WCMD - Creek | MN8 Energy LLC | Hagerstown, MD | 2 GWh | Apr 2015 | Dec 2025 | Solar |
| Spruce - WCMD - Rubble I | MN8 Energy LLC | Williamsport, MD | 3 GWh | Aug 2015 | Dec 2025 | Solar |
| Spruce - WCMD - Rubble II | MN8 Energy LLC | Williamsport, MD | 2 GWh | Oct 2015 | Dec 2025 | Solar |
| LTMUA | MN8 Energy LLC | Villas, NJ | 933 MWh | Feb 2012 | Dec 2025 | Solar |
| Thermo Fisher | MN8 Energy LLC | Bridgewater, NJ | 2 GWh | Jan 2013 | Dec 2025 | Solar |
| DSM Solar | MN8 Energy LLC | Columbia, NJ | 6 GWh | Nov 2014 | Dec 2025 | Solar |
| WMATA - Anacostia CSG | MN8 Energy LLC | Washington, DC | 2 GWh | Aug 2023 | Dec 2025 | Solar |
| WMATA - Naylor Rd. Metro | MN8 Energy LLC | Temple Hills, MD | 3 GWh | Oct 2023 | Dec 2025 | Solar |
| WMATA - S. Ave. Carport (East) (CSG) | MN8 Energy LLC | Hillcrest Heights, MD | 2 GWh | Jun 2023 | Dec 2025 | Solar |
| American Beech Solar LLC | MN8 Energy LLC | Scotland Neck, NC | 208 GWh | Oct 2025 | Jul 2026 | Solar |
| Ripley | MN8 Energy LLC | La Plata, MD | 50 GWh | Mar 2023 | Jul 2026 | Solar |
| EDF Ph1 Toms River | MN8 Energy LLC | Tom's River, NJ | 37 GWh | May 2021 | Dec 2025 | Solar |
| ACCC Mays Landing | MN8 Energy LLC | Pleasantville, NJ | 2 GWh | Oct 2013 | Dec 2025 | Solar |
| Lafayette 2 - Kankakee Yonke | MN8 Energy LLC | Kankakee, IL | 4 GWh | Nov 2020 | Dec 2025 | Solar |
| Lafayette 2 - McHenry Franks 2 | MN8 Energy LLC | Huntley, IL | 2 GWh | Nov 2020 | Dec 2025 | Solar |
| Adams Ave MS and HS | MN8 Energy LLC | Egg Harbor Township, NJ | 4 GWh | Jun 2011 | Dec 2025 | Solar |
| Timber Creek HS | MN8 Energy LLC | Sicklerville, NJ | 1 GWh | Nov 2013 | Dec 2025 | Solar |
| Lower Cape May HS | MN8 Energy LLC | Cape May, NJ | 2 GWh | Nov 2012 | Dec 2025 | Solar |
| L'Oreal Monmouth | MN8 Energy LLC | Monmouth Junction, NJ | 3 GWh | Jan 2013 | Dec 2025 | Solar |
| L'Oreal Franklin | MN8 Energy LLC | Somerset, NJ | 1 GWh | Feb 2012 | Dec 2025 | Solar |
| Holland Solar | MN8 Energy LLC | Milford, NJ | 3 GWh | Nov 2015 | Dec 2025 | Solar |
| Gloucester Community College Solar | MN8 Energy LLC | Sewell, NJ | 4 GWh | Feb 2014 | Dec 2025 | Solar |
| Lafayette 2 - McHenry Franks 1 | MN8 Energy LLC | Marengo, IL | 4 GWh | Nov 2020 | Dec 2025 | Solar |
| Molson Coors Shenandoah Brewery | Molson Coors Shenandoah Brewery | Elkton, VA | 5 GWh | May 2012 | Jul 2026 | Other Biomass Gas |
| FirstEnergy Harrison Power Station | Monongahela Power Co | Haywood, WV | 11 TWh | Nov 1972 | Jul 2026 | Refined Coal : 61.6% Bituminous Coal : 38.2% |
| FirstEnergy Fort Martin Power Station | Monongahela Power Co | Maidsville, WV | 5 TWh | Sep 1967 | Jul 2026 | Bituminous Coal : 99.6% |
| Fort Martin Solar | Monongahela Power Co | Maidsville, WV | 25 GWh | Dec 2023 | Dec 2025 | Solar |
| Marlowe Solar | Monongahela Power Co | Falling Waters, WV | 8 GWh | Mar 2025 | Dec 2025 | Solar |
| Rivesville Solar | Monongahela Power Co | Rivesville, WV | 8 GWh | Aug 2024 | Dec 2025 | Solar |
| Monroe Solar | Monroe Solar LLC | Chatham, VA | 5 GWh | Nov 2022 | Dec 2025 | Solar |
| Fort Detrick Solar PV | Montevue Lane Solar, LLC | Frederick, MD | 20 GWh | Jan 2016 | Dec 2025 | Solar |
| Montgomery County Solar | Montgomery County Solar | Gaithersburg, MD | 2 GWh | May 2018 | Dec 2025 | Solar |
| Montpelier Solar Project | Montpelier Solar, LLC | Montpelier, OH | 58 GWh | - | Jul 2026 | Solar |
| Morris Cogeneration LLC | Morris Cogeneration LLC | Morris, IL | 605 GWh | Oct 1998 | Jul 2026 | Natural Gas |
| Morton Salt Rittman | Morton Salt Inc | Rittman, OH | 14 GWh | Sep 1978 | Dec 2025 | Natural Gas |
| Mound City Solar | Mound City Solar PV | Mound City, IL | 9 GWh | Nov 2024 | Dec 2025 | Solar |
| Mount Joy Wire | Mount Joy Wire Corp | Mount Joy, PA | 5 GWh | Nov 2011 | Dec 2025 | Natural Gas |
| Mountain | Mountain Power, LLC | Mount Holly Springs, PA | 16 GWh | May 1972 | Dec 2025 | Distillate Fuel Oil |
| Moxie Freedom Generation Plant | Moxie Freedom LLC | Salem Township, PA | 7 TWh | Jul 2018 | Jul 2026 | Natural Gas |
| MPH Elwood | MPH Elwood, LLC | Elwood, IL | 2 GWh | Jun 1999 | May 2026 | Natural Gas |
| Munich Re Plaza | Munich Reinsurance America, Inc | Princeton, NJ | 2 GWh | Jun 2012 | Dec 2025 | Solar |
| Museum of Science and Industry | Museum of Science and Industry | Chicago, IL | 41 MWh | Mar 2003 | Dec 2025 | Natural Gas |
| Van Sant Station | NAES Corporation - (DE) | Dover, DE | 3 GWh | Apr 1991 | Dec 2025 | Natural Gas : 93.9% Distillate Fuel Oil : 6.1% |
| Nalco | Nalco Co | Naperville, IL | 21 GWh | Oct 1985 | Dec 2025 | Natural Gas |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | 121 GWh | Jun 2004 | Jul 2026 | Natural Gas |
| Upper Marlboro 1 CSG | Nautilus Solar Solutions | Upper Marlboro, MD | 2 GWh | Nov 2019 | Dec 2025 | Solar |
| BTC2 Solar (CSG) | Nautilus Solar Solutions | Kingsville, MD | 4 GWh | Jun 2019 | Dec 2025 | Solar |
| Ten Oaks | Nautilus Solar Solutions | Clarksville, MD | 4 GWh | Mar 2024 | Dec 2025 | Solar |
| KE73 CSG | Nautilus Solar Solutions | Dover, DE | 1 MWh | Nov 2025 | Dec 2025 | Solar |
| Lion One | Nautilus Solar Solutions | Baltimore, MD | 4 GWh | Mar 2024 | Dec 2025 | Solar |
| Livingston Crossing (CSG) | Nautilus Solar Solutions | Clinton, MD | 1 GWh | Jun 2025 | Dec 2025 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 445.8 GWh | 4 |
| #24 | Dominion Energy South Carolina, Inc. | 26.2 TWh | 83 |
| #13 | Duke Energy Carolinas | 113.5 TWh | 578 |
| #17 | Duke Energy Progress East | 66.3 TWh | 574 |
| #50 | Duke Energy Progress West | 4.6 TWh | 15 |
| #15 | ISO New England | 112.2 TWh | 1,667 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.2 TWh | 25 |
| #12 | New York Independent System Operator | 134.3 TWh | 1,334 |
| #28 | South Carolina Public Service Authority | 19.6 TWh | 35 |
| #59 | Southeastern Power Administration | 1.2 TWh | 11 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 892.1 TWh | 2,806 |
| #2 | Midcontinent Independent System Operator, Inc. | 678.7 TWh | 3,095 |
| #3 | Electric Reliability Council of Texas, Inc. | 507.3 TWh | 1,487 |
| #5 | Southwest Power Pool | 315.0 TWh | 876 |
| #6 | Southern Company Services, Inc. - Trans | 259.7 TWh | 423 |
| #7 | California Independent System Operator | 168.6 TWh | 2,170 |
| #9 | Tennessee Valley Authority | 166.3 TWh | 209 |
| #10 | Florida Power & Light Co. | 153.3 TWh | 188 |
| #12 | New York Independent System Operator | 134.3 TWh | 1,334 |
| #13 | Duke Energy Carolinas | 113.5 TWh | 578 |