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 | Nov 2025 |
| Annual Generation | 870.7 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 | 31.2% Coal | 16.5% Wind | 3.7% Solar | 2.8% Water | 1.8% Other Fuel | 1.4% |
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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 |
|---|---|---|---|---|---|---|
| Hay Road | Calpine Mid-Atlantic Generation LLC | Wilmington, DE | 2 TWh | Apr 1989 | Sep 2025 | Natural Gas : 98.1% Distillate Fuel Oil : 1.9% |
| Christiana | Calpine Mid-Atlantic Generation LLC | Wilmington, DE | 217 MWh | May 1973 | Dec 2024 | Distillate Fuel Oil |
| AGT001 Centerville Fuel Cell | 2016 ESA Project Company, LLC | Wilmington, DE | 10 GWh | Feb 2019 | Dec 2024 | Natural Gas |
| South Campus Solar | JPMorgan Chase Bank | Wilmington, DE | 3 GWh | Jul 2011 | Dec 2024 | Solar |
| WHA Southbridge Solar Park CSG | Ecogy Delaware II LLC. | Wilmington, DE | 2 GWh | May 2018 | Dec 2024 | Solar |
| Wolf Run Energy | Wolf Run Energy LLC | Wilmot Township, PA | 45 GWh | May 2019 | Dec 2024 | Natural Gas |
| Headwaters Wind Farm LLC | Headwaters Wind Farm LLC | Winchester, IN | 618 GWh | Nov 2014 | Dec 2024 | Wind |
| J K Smith | East Kentucky Power Coop, Inc | Winchester, KY | 873 GWh | Dec 1998 | Sep 2025 | Natural Gas : 99.9% |
| Cooperative Solar One | East Kentucky Power Coop, Inc | Winchester, KY | 13 GWh | Oct 2017 | Dec 2024 | Solar |
| HP Hood CT | HP Hood LLC | Winchester, VA | 110 GWh | May 2015 | Sep 2025 | Natural Gas |
| Frederick County LFGTE Facility | Frederick County Virginia | Winchester, VA | 13 GWh | Oct 2010 | Dec 2024 | Landfill Gas |
| The Village at Orchard Ridge (TVOR) | Distributed Solar Development, LLC | Winchester, VA | 2 GWh | Feb 2023 | Dec 2024 | Solar |
| Windsor Hwy 17 Solar | Greenbacker Renewable Energy Corporation | Windsor, NC | 11 GWh | Oct 2021 | Dec 2024 | Solar |
| Windsor Cooper HIill Solar, LLC | Duke Energy Renewables Services | Windsor, NC | 9 GWh | Jul 2015 | Dec 2024 | Solar |
| Windsor Solar | Strata Manager, LLC | Windsor, NC | 10 GWh | Nov 2014 | Dec 2024 | Solar |
| Solidago Solar | Dominion Energy Inc. | Windsor, VA | 38 GWh | Jul 2023 | Dec 2024 | Solar |
| Two Mile Solar | Cypress Creek Renewables | Winfall, NC | 9 GWh | May 2015 | Dec 2024 | Solar |
| Winfield | Appalachian Power Co | Winfield, WV | 84 GWh | Dec 1937 | Dec 2024 | Water |
| Winnetka | Village of Winnetka - (IL) | Winnetka, IL | 3 GWh | Dec 1947 | Dec 2024 | Natural Gas : 91.7% Distillate Fuel Oil : 8.3% |
| Winton Solar | Duke Energy Renewables Services | Winton, NC | 9 GWh | Jan 2016 | Dec 2024 | Solar |
| Woodbine Landfill Plant | Cape May County Municipal | Woodbine, NJ | 3 GWh | Sep 2013 | Dec 2024 | Landfill Gas |
| Ladysmith | Virginia Electric & Power Co | Woodford, VA | 901 GWh | Apr 2001 | Sep 2025 | Natural Gas : 86.2% Distillate Fuel Oil : 13.8% |
| Woodland Solar | Duke Energy Renewables Services | Woodland, NC | 9 GWh | Mar 2016 | Dec 2024 | Solar |
| White Farm Solar, LLC | Cypress Creek Renewables | Woodland, NC | 10 GWh | Jul 2016 | Dec 2024 | Solar |
| Anadarko | City of Woodsfield - (OH) | Woodsfield, OH | 42 MWh | Dec 1948 | Dec 2024 | Distillate Fuel Oil |
| Charter Dura-Bar | Wells Manufacturing Co | Woodstock, IL | 9 GWh | Mar 1992 | Sep 2025 | Natural Gas |
| Charter Durabar at Woodstock | Luminace Solar Illinois 2, LLC | Woodstock, IL | 3 GWh | Dec 2020 | Dec 2024 | Solar |
| Old Court Rd Solar | Old Court Rd Solar, LLC | Woodstock, MD | 3 GWh | Sep 2019 | Dec 2024 | Solar |
| Woodville RTO BTM | American Mun Power-Ohio, Inc | Woodville, OH | 144 MWh | Sep 2020 | Dec 2024 | Distillate Fuel Oil |
| Martin Marietta Wind Project | OEE XXXIII LLC | Woodville, OH | 7 GWh | Nov 2023 | Dec 2024 | Wind |
| Kent County - Worton Complex | Terraform Arcadia | Worton, MD | 1 GWh | Jun 2012 | Dec 2024 | Solar |
| North Run | NJR Clean Energy Ventures Corporation | Wrightstown, NJ | 7 GWh | Dec 2014 | Dec 2024 | Solar |
| Day Four Solar LLC | Altus Power America Management, LLC | Wrightstown, NJ | 8 GWh | Sep 2016 | Dec 2024 | Solar |
| Hanover | NJR Clean Energy Ventures Corporation | Wrightstown, NJ | 7 GWh | Aug 2015 | Dec 2024 | Solar |
| Towanda Facility | REV LNG SSL BC, LLC | Wyalusing, PA | 14 GWh | Dec 2020 | Dec 2024 | Natural Gas |
| Chesapeake College | Tesla Inc. | Wye Mills, MD | 2 GWh | Jun 2016 | Dec 2024 | Solar |
| Camp Grove Wind Farm | Orion Energy Group LLC | Wyoming, IL | 406 GWh | Nov 2007 | Dec 2024 | Wind |
| Wythe County Solar | Consolidated Edison Development Inc. | Wythe County, VA | 93 GWh | - | Sep 2025 | Solar |
| Caden Energix Wytheville LLC | Caden Energix Wytheville LLC | Wytheville, VA | 38 GWh | May 2022 | Dec 2024 | Solar |
| York Haven | Eagle Creek Renewable Energy, LLC | York Haven, PA | 87 GWh | Nov 1905 | Dec 2024 | Water |
| Brunner Island | Brunner Island LLC | York Haven, PA | 4 TWh | Apr 1961 | Sep 2025 | Natural Gas : 60.9% Bituminous Coal : 39.1% |
| Haleon York RDC Solar Facility | Haleon PLC | York, PA | 798 MWh | Nov 2010 | Dec 2024 | Solar |
| York County Resource Recovery | York County Solid W & R Auth | York, PA | 222 GWh | Oct 1989 | Sep 2025 | Non-biogenic Municipal Solid Waste : 53.5% Biogenic Municipal Solid Waste : 43.7% Natural Gas : 2.8% |
| Cottontail Solar 1 | Lightsource Renewable Energy Asset Management, LLC | York, PA | 13 GWh | May 2024 | Dec 2024 | Solar |
| 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 |
|---|---|---|---|
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 696.7 GWh | 4 |
| #25 | Dominion Energy South Carolina, Inc. | 25.7 TWh | 87 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |
| #17 | Duke Energy Progress East | 64.3 TWh | 559 |
| #52 | Duke Energy Progress West | 4.3 TWh | 10 |
| #15 | ISO New England | 105.5 TWh | 1,577 |
| #24 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.4 TWh | 25 |
| #12 | New York Independent System Operator | 131.6 TWh | 1,211 |
| #30 | South Carolina Public Service Authority | 18.9 TWh | 34 |
| #59 | Southeastern Power Administration | 1.5 TWh | 11 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 870.7 TWh | 2,465 |
| #2 | Midcontinent Independent System Operator, Inc. | 655.1 TWh | 2,831 |
| #4 | Electric Reliability Council of Texas, Inc. | 485.0 TWh | 1,313 |
| #5 | Southwest Power Pool | 299.9 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 188.0 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 161.6 TWh | 204 |
| #10 | Florida Power & Light Co. | 148.9 TWh | 187 |
| #12 | New York Independent System Operator | 131.6 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |