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% |
Map of PJM Interconnection, LLC
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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 |
|---|---|---|---|---|---|---|
| Anderson 5 | Indiana Municipal Power Agency | Anderson, IN | 6 GWh | Jul 2021 | Dec 2025 | Solar |
| Anderson 4 | Indiana Municipal Power Agency | Anderson, IN | 15 GWh | Jul 2021 | Dec 2025 | Solar |
| Anderson 6 | Indiana Municipal Power Agency | Anderson, IN | 13 GWh | May 2022 | Dec 2025 | Solar |
| IMPA Anderson Solar Park | Indiana Municipal Power Agency | Anderson, IN | 8 GWh | Dec 2016 | Dec 2025 | Solar |
| Anderson | Indiana Municipal Power Agency | Anderson, IN | 92 GWh | May 1992 | Dec 2025 | Natural Gas : 99.8% |
| Amherst Solar Facility (VA) | Appalachian Power Co | Amherst, VA | 10 GWh | Sep 2023 | Dec 2025 | Solar |
| HCE Amelia Solar II, LLC | Standard Solar | Amelia, VA | 7 GWh | Nov 2023 | Dec 2025 | Solar |
| Ponton Diesel Generating Facility | Old Dominion Electric Coop | Amelia, VA | 712 MWh | Nov 2002 | Dec 2025 | Distillate Fuel Oil |
| HCE Amelia Solar I, LLC | Standard Solar | Amelia Court House, VA | 9 GWh | Nov 2023 | Dec 2025 | Solar |
| Chestnut Flats Wind Farm | UPC Power Solutions | Altoona, PA | 90 GWh | Nov 2011 | Dec 2025 | Wind |
| Alton Post Office Solar | Urban Grid Solar | Alton, VA | 139 GWh | Nov 2024 | Jul 2026 | Solar |
| Powells Creek Solar - Hybrid | Powells Creek Farm Solar, LLC | Alton, VA | 149 GWh | Jul 2023 | Jul 2026 | Solar |
| Altavista Power Station | Virginia Electric & Power Co | Altavista, VA | 300 GWh | Jan 1992 | Dec 2025 | Wood/Wood Waste Solids |
| Allentown - Ruppsville | Madison Energy Investments LLC | Allentown, PA | 4 GWh | Nov 2024 | Dec 2025 | Solar |
| Square Barn Solar | Forefront Power, LLC | Algonquin, IL | 2 GWh | Jul 2020 | Dec 2025 | Solar |
| Hardin Solar Energy LLC | Dominion Renewable Energy | Alger, OH | 309 GWh | Jan 2021 | Jul 2026 | Solar |
| Hardin Solar III | Hardin Solar Energy III | Alger, OH | 542 GWh | Feb 2025 | Jul 2026 | Solar |
| Covanta Alexandria/Arlington Energy | Covanta Alexandria/Arlington | Alexandria, VA | 147 GWh | Sep 1987 | Jul 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| POET Biorefining- Alexandria, LLC | POET Biorefining - Alexandria, LLC. | Alexandria, IN | 19 GWh | Mar 2008 | Dec 2025 | Natural Gas |
| Pope Creek Solar PV | Pope Creek Solar, LLC | Aledo, IL | 10 GWh | Nov 2024 | Dec 2025 | Solar |
| Akron WRF | City of Akron - (OH) | Akron, OH | 6 GWh | Apr 2014 | Jul 2026 | Other Biomass Gas |
| IGS AKC1 | Altus Power America Management, LLC | Akron, OH | 4 GWh | Jun 2023 | Dec 2025 | Solar |
| Hertford Solar Power, LLC | Capital V LLC | Ahoskie, NC | 21 GWh | May 2022 | Dec 2025 | Solar |
| Ahoskie | Altus Power America Management, LLC | Ahoskie, NC | 7 GWh | Dec 2017 | Mar 2025 | Solar |
| Colice Hall Solar | Colice Hall Solar LLC | Ahoskie, NC | 34 GWh | Jun 2023 | Dec 2025 | Solar |
| Simons Farm | Cypress Creek Renewables | Ahoskie, NC | 9 GWh | Dec 2015 | Dec 2025 | Solar |
| Allegheny Hydro No 8 | Allegheny Hydro LP | Adrian, PA | 80 GWh | Nov 1990 | Dec 2025 | Water |
| Listonburg Solar | Listonburg Solar, LLC | Addison Township, PA | 23 GWh | Nov 2024 | Dec 2025 | Solar |
| Hog Creek Wind Project | Hog Creek Wind Project LLC | Ada, OH | 214 GWh | Nov 2017 | Jul 2026 | Wind |
| Ohio Northern University Solar Site | Onsite Partners, LLC | Ada, OH | 4 GWh | Nov 2016 | Jul 2026 | Solar |
| Perdue Diesel Generation Facility | Old Dominion Electric Coop | Accomack, VA | 554 MWh | Oct 2002 | Dec 2025 | Distillate Fuel Oil |
| MD - CS - Potomac Edison Co - GA25 TPE ( | Distributed Solar Development, LLC | Accident, MD | 3 GWh | May 2022 | Dec 2025 | Solar |
| APG New Chesapeake | Onyx Asset Services Group | Aberdeen, MD | 4 GWh | Sep 2018 | Dec 2025 | Solar |
| APG Old Bayside | Onyx Asset Services Group | Aberdeen, MD | 3 GWh | Sep 2018 | Dec 2025 | Solar |
| The Clorox Company | Tesla Inc. | Aberdeen, MD | 2 GWh | Jul 2016 | Dec 2025 | Solar |
| Hamilton (PA) | Hamilton Power, LLC | Abbottstown, PA | 827 MWh | May 1971 | Dec 2025 | Distillate Fuel Oil |
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 |