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 |
|---|---|---|---|---|---|---|
| Tennessee Eastman Operations | Eastman Chemical Co-TN Ops | Kingsport, TN | 1 TWh | Aug 1936 | Sep 2025 | Natural Gas : 60.4% Bituminous Coal : 37.8% Other Gas : 1.0% Sludge Waste : 0.8% |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | 434 GWh | May 1936 | Dec 2024 | Water |
| London | Appalachian Power Co | Handley, WV | 73 GWh | Nov 1935 | Dec 2024 | Water |
| Marmet | Appalachian Power Co | Marmet, WV | 67 GWh | Nov 1935 | Dec 2024 | Water |
| Radford | City of Radford - (VA) | Radford, VA | 5 GWh | Sep 1934 | Dec 2024 | Water |
| Clevelandcliffs Warren | Clevelandcliffs Warren | Warren, OH | 53 GWh | Sep 1934 | Sep 2024 | Other Gas : 62.9% Natural Gas : 37.1% |
| Fries Hydroelectric Project | Central Rivers Power US, LLC | Fries, VA | 21 GWh | Dec 1932 | Sep 2024 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | 1 TWh | Nov 1931 | Dec 2024 | Water |
| Conowingo | Constellation Power, Inc | Darlington, MD | 2 TWh | Feb 1928 | Sep 2025 | Water |
| Luray Hydro Station | Eagle Creek Renewable Energy, LLC | Luray, VA | 3 GWh | Dec 1926 | Dec 2024 | Water |
| Wallenpaupack | Wallenpuapack Hydro | Drumore, PA | 87 GWh | May 1926 | Dec 2024 | Water |
| Lake Lynn Hydro Station | Eagle Creek Renewable Energy, LLC | Lake Lynn, PA | 84 GWh | Apr 1926 | Dec 2024 | Water |
| Deep Creek | BP Piney & Deep Creek LLC | Oakland, MD | 17 GWh | Jun 1925 | Dec 2024 | Water |
| Dixon Hydroelectric Dam | Eagle Creek Renewable Energy, LLC | Dixon, IL | 11 GWh | May 1925 | Dec 2024 | Water |
| Piney | BP Piney & Deep Creek LLC | Clarion, PA | 61 GWh | May 1924 | Dec 2024 | Water |
| Constantine | Indiana Michigan Power Co | Constantine, MI | 4 GWh | Dec 1922 | Dec 2024 | Water |
| Mottville | Indiana Michigan Power Co | White Pigeon, MI | 7 GWh | Dec 1922 | Dec 2024 | Water |
| Newport Hydro Station | Eagle Creek Renewable Energy, LLC | Newport, VA | 3 GWh | Dec 1922 | Dec 2024 | Water |
| French Paper Hydro | French Paper Co | Niles, MI | 3 GWh | Dec 1920 | Sep 2025 | Water |
| Georgia-Pacific Big Island | GP Big Island LLC | Big Island, VA | 42 GWh | May 1920 | Sep 2025 | Natural Gas : 64.2% Wood/Wood Waste Solids : 24.8% Black Liquor : 8.2% Other Biomass Solids : 2.6% |
| Buchanan (MI) | Indiana Michigan Power Co | Buchanan, MI | 15 GWh | Dec 1918 | Dec 2024 | Water |
| Dam No. 5 Hydro Station | Eagle Creek Renewable Energy, LLC | Hedgesville, WV | 4 GWh | Dec 1918 | Dec 2024 | Water |
| Halifax (VA) | Banister Hydro LP | Halifax, VA | 1 GWh | Dec 1914 | Dec 2024 | Water |
| Elkhart | Indiana Michigan Power Co | Elkhart, IN | 13 GWh | Dec 1912 | Dec 2024 | Water |
| Millville Hydro Station | Eagle Creek Renewable Energy, LLC | Millville, WV | 9 GWh | Dec 1912 | Dec 2024 | Water |
| Buck Hydro | Appalachian Power Co | Ivanhoe, VA | 32 GWh | Dec 1911 | Sep 2024 | Water |
| Byllesby 2 | Appalachian Power Co | Ivanhoe, VA | 23 GWh | Dec 1911 | Sep 2024 | Water |
| Glen Ferris Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | 14 GWh | Dec 1911 | Dec 2024 | Water |
| Hydro Plant | City of Sturgis - (MI) | Three Rivers, MI | 6 GWh | Aug 1911 | Dec 2024 | Water |
| Holtwood | BIF III Holtwood LLC | Holtwood, PA | 866 GWh | Sep 1910 | Dec 2024 | Water |
| Dam No. 4 Hydro Station | Eagle Creek Renewable Energy, LLC | Shepherdstown, WV | 9 GWh | Dec 1908 | Dec 2024 | Water |
| York Haven | Eagle Creek Renewable Energy, LLC | York Haven, PA | 87 GWh | Nov 1905 | Dec 2024 | Water |
| Reusens | Eagle Creek Renewable Energy, LLC | Lynchburg, VA | 19 GWh | Dec 1902 | Dec 2024 | Water |
| Wythe County Solar | Consolidated Edison Development Inc. | Wythe County, VA | 93 GWh | - | Sep 2025 | Solar |
| Ross County Solar, LLC | Ross County Solar, LLC | Greenfield, OH | 186 GWh | - | Sep 2025 | Solar |
| Powell Creek Solar | Avangrid Power LLC | Miller City, OH | 175 GWh | - | Sep 2025 | Solar |
| Aspen Road Solar | Urban Grid Solar | Spring Run, PA | 133 GWh | - | Sep 2025 | Solar |
| Jones Farm Solar | Urban Grid Solar | Millington, MD | 50 GWh | - | Sep 2025 | Solar |
| Fayette Solar | National Grid Renewables | Greenfield, OH | 75 GWh | - | Sep 2025 | Solar |
| Northumberland Solar | Northumberland Solar, LLC | Milton, PA | 18 GWh | - | Sep 2025 | Solar |
| Dans Mountain | Dans Mountain Wind Force, LLC | Frostburg, MD | 40 GWh | - | Sep 2025 | Wind |
| Wheatsborough Solar | Wheatsborough Solar, LLC | Bellevue, OH | 53 GWh | - | Sep 2025 | Solar |
| Hardin Solar III | Hardin Solar Energy III | Alger, OH | 391 GWh | - | Sep 2025 | Solar |
| Buckeye Solar | Dominion Renewable Energy | Williamsport, OH | 168 GWh | - | Sep 2025 | Solar |
| Pickaway Solar | Dominion Renewable Energy | Williamsport, OH | 157 GWh | - | Sep 2025 | Solar |
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 |