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 | Jan 2026 |
| Annual Generation | 872.9 TWh |
| Power Plants | 2,465 |
| Utilities | 1,203 |
| Ranked #1 out of 65 in terms of net annual generation | |
| Ranked #1 out of 53 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 41.9% Nuclear | 31% Coal | 16.4% Wind | 3.7% Solar | 2.8% Water | 1.8% Other Fuel | 1.5% |
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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 |
|---|---|---|---|---|---|---|
| Sandy Ridge Wind Farm | Algonquin Power Co | Tyrone, PA | 117 GWh | Jan 2012 | Dec 2024 | Wind |
| Albemarle Beach Solar | Albemarle Beach Solar, LLC | Roper, NC | 226 GWh | Nov 2020 | Oct 2025 | Solar |
| Ahern Community Solar I, LLC | Ahern Community Solar I, LLC | Morris, IL | 3 GWh | Apr 2023 | Dec 2024 | Solar |
| AES Warrior Run Cogeneration Facility | AES WR Ltd Partnership | Cumberland, MD | 726 GWh | Jul 1999 | Jun 2024 | Bituminous Coal : 99.8% |
| AES Griggs Solar, LLC | AES Griggs Solar, LLC | Grant Park, IL | 3 GWh | Nov 2020 | Dec 2024 | Solar |
| Pleinmont Solar 2 | AES Distributed Energy | Spotsylvania, VA | 437 GWh | Jul 2021 | Oct 2025 | Solar |
| Highlander Solar Energy Station 1 | AES Distributed Energy | Spotsylvania, VA | 287 GWh | Nov 2020 | Oct 2025 | Solar |
| Pleinmont Solar 1 | AES Distributed Energy | Spotsylvania, VA | 142 GWh | Sep 2020 | Oct 2025 | Solar |
| Richmond Spider Solar | AES Distributed Energy | Spotsylvania, VA | 37 GWh | Nov 2020 | Dec 2024 | Solar |
| Elizabethtown Solar | AES Distributed Energy | Elizabethtown, PA | 2 GWh | Jan 2016 | Dec 2024 | Solar |
| Skipjack Solar Center | AES Distributed Energy | Wayside, VA | 302 GWh | Apr 2022 | Oct 2025 | Solar |
| Great Cove Solar | AES Distributed Energy | McConnellsburg, PA | 114 GWh | Nov 2023 | Oct 2025 | Solar |
| Laurel Mountain Hybrid | AES Distributed Energy | Belington, WV | 257 GWh | Jul 2011 | Oct 2025 | Wind |
| AC Criminal Courts Complex SPE2, LLC | AES Distributed Energy | Mays Landing, NJ | 496 MWh | Nov 2012 | Dec 2024 | Solar |
| Big Spring Solar (CSG) | AES Clean Energy | Clear Spring, MD | 264 MWh | Oct 2024 | Dec 2024 | Solar |
| Cavalier Solar | AES Clean Energy | Smithfield, VA | 305 GWh | May 2024 | Oct 2025 | Solar |
| Great Cove Solar II | AES Clean Energy | Saint Thomas, PA | 235 GWh | Nov 2023 | Oct 2025 | Solar |
| Cannonball Solar (CSG) | AES Clean Energy | Thurmont, MD | 1 GWh | May 2024 | Dec 2024 | Solar |
| Cavalier Solar A2 | AES Clean Energy | Smithfield, VA | 147 GWh | Nov 2024 | Oct 2025 | Solar |
| Madison Solar (VA) | AES Clean Energy | Locust Grove, VA | 118 GWh | Aug 2024 | Oct 2025 | Solar |
| Ohio Northern University Solar Site | AEP Onsite Partners, LLC | Ada, OH | 4 GWh | Nov 2016 | Oct 2025 | Solar |
| Clyde Peaking Engine | AEP Onsite Partners, LLC | Clyde, OH | 641 MWh | Oct 2020 | Dec 2024 | Natural Gas |
| Shelby Solar Array | AEP Onsite Partners, LLC | Shelby, OH | 3 GWh | Nov 2019 | Oct 2025 | Solar |
| PNA Rossford Solar Array | AEP Onsite Partners, LLC | Rossford, OH | 2 GWh | Jun 2022 | Dec 2024 | Solar |
| Clyde Solar Array | AEP Onsite Partners, LLC | Clyde, OH | 4 GWh | May 2016 | Oct 2025 | Solar |
| Denison Solar Array | AEP Onsite Partners, LLC | Granville, OH | 2 GWh | Nov 2017 | Oct 2025 | Solar |
| LabCorp Engine | AEP Onsite Partners, LLC | Raritan, NJ | 235 MWh | Nov 2019 | Dec 2024 | Natural Gas |
| Fowler Ridge Wind Farm LLC | AE Power Services LLC | Fowler, IN | 1 TWh | Jan 2009 | Oct 2025 | Wind |
| Mehoopany Wind Energy LLC | AE Power Services LLC | Noxen, PA | 265 GWh | Nov 2012 | Dec 2024 | Wind |
| ADP Roseland, NJ | ADP Boulevard Solar Project 2021, LLC | Roseland, NJ | 1 GWh | Feb 2024 | Dec 2024 | Solar |
| Adkins Energy LLC | Adkins Energy LLC | Lena, IL | 39 GWh | Jul 2002 | Dec 2024 | Natural Gas |
| Adams Solar LLC PA | Adams Solar LLC (PA) | Gettysburg, PA | 142 GWh | Nov 2023 | Oct 2025 | Solar |
| EcoGrove Wind LLC | Acciona Wind Energy USA LLC | Lena, IL | 258 GWh | Jun 2009 | Dec 2024 | Wind |
| High Point Solar LLC | Acciona Energy USA Global, LLC | Lena, IL | 190 GWh | Oct 2023 | Oct 2025 | Solar |
| AEUG Union Solar, LLC | Acciona Energy USA Global, LLC | West Mansfield, OH | 652 GWh | Oct 2024 | Oct 2025 | Solar |
| Smith Island | A & N Electric Coop | Ewell, MD | 102 MWh | Nov 1969 | Dec 2024 | Distillate Fuel Oil |
| Tangier | A & N Electric Coop | Tangier, VA | 203 MWh | Apr 1974 | Dec 2024 | Distillate Fuel Oil |
| 6685 Santa Barbara Ct | 6685 Santa Barbara Ct | Elkridge, MD | 2 GWh | Nov 2020 | Dec 2024 | Solar |
| Mendota Rich Dev CSG | 42nd Road Solar LLC | Mendota, IL | 4 GWh | Jan 2022 | Dec 2024 | Solar |
| IIV000 Mt Bethel Fuel Cell | 2016 ESA Project Company, LLC | Warren, NJ | 19 GWh | Dec 2018 | Dec 2024 | Natural Gas |
| EQX012 Harz Fuel Cell | 2016 ESA Project Company, LLC | Secaucus, NJ | 17 GWh | Jun 2018 | Dec 2024 | Natural Gas |
| EQX003 Secaucus Rd Fuel Cell | 2016 ESA Project Company, LLC | Secaucus, NJ | 14 GWh | Aug 2018 | Dec 2024 | Natural Gas |
| EQX002 Secaucus Rd Fuel Cell | 2016 ESA Project Company, LLC | Secaucus, NJ | 11 GWh | Jun 2019 | Dec 2024 | Natural Gas |
| AGT001 Centerville Fuel Cell | 2016 ESA Project Company, LLC | Wilmington, DE | 10 GWh | Feb 2019 | Dec 2024 | Natural Gas |
| 180 Raritan Solar | 180 Raritan Energy Solutions, LLC | Edison, NJ | 3 GWh | May 2012 | Dec 2024 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #60 | Alcoa Power Generating, Inc. - Yadkin Division | 643.5 GWh | 4 |
| #25 | Dominion Energy South Carolina, Inc. | 25.6 TWh | 87 |
| #13 | Duke Energy Carolinas | 111.6 TWh | 565 |
| #17 | Duke Energy Progress East | 64.0 TWh | 559 |
| #52 | Duke Energy Progress West | 4.3 TWh | 10 |
| #15 | ISO New England | 107.8 TWh | 1,577 |
| #24 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.2 TWh | 25 |
| #12 | New York Independent System Operator | 132.6 TWh | 1,211 |
| #30 | 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 | 872.9 TWh | 2,465 |
| #2 | Midcontinent Independent System Operator, Inc. | 656.9 TWh | 2,831 |
| #3 | Electric Reliability Council of Texas, Inc. | 484.7 TWh | 1,313 |
| #5 | Southwest Power Pool | 300.6 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 249.9 TWh | 417 |
| #7 | California Independent System Operator | 184.8 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 161.0 TWh | 204 |
| #10 | Florida Power & Light Co. | 149.6 TWh | 187 |
| #12 | New York Independent System Operator | 132.6 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 111.6 TWh | 565 |