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 | Mar 2026 |
| Annual Generation | 879.0 TWh |
| Power Plants | 2,465 |
| Utilities | 1,203 |
| Ranked #1 out of 65 in terms of net annual generation | |
| Ranked #1 out of 54 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 42% Nuclear | 30.8% Coal | 16.5% Wind | 3.6% Solar | 2.8% Water | 1.7% Other Fuel | 1.6% |
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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 |
|---|---|---|---|---|---|---|
| Oregon Clean Energy Center | Oregon Clean Energy Center | Oregon, OH | 6 TWh | Jun 2017 | Dec 2025 | Natural Gas |
| Marcus Hook Energy LP | Marcus Hook Energy LP | Marcus Hook, PA | 6 TWh | Nov 2004 | Dec 2025 | Natural Gas |
| Clifty Creek | Indiana-Kentucky Electric Corp | Madison, IN | 6 TWh | Jan 1955 | Dec 2025 | Bituminous Coal : 96.7% Subbituminous Coal : 3.1% |
| Bethlehem Power Plant | Calpine Bethlehem LLC | Bethlehem, PA | 6 TWh | Nov 2002 | Dec 2025 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| Hunterstown Power Plant | Hunterstown Generation, LLC | Gettysburg, PA | 6 TWh | Jun 2003 | Dec 2025 | Natural Gas |
| Hamilton Patriot Generation Plant | Hamilton Operating Services, LLC | Montgomery, PA | 6 TWh | Jun 2016 | Dec 2025 | Natural Gas |
| FirstEnergy Fort Martin Power Station | Monongahela Power Co | Maidsville, WV | 6 TWh | Sep 1967 | Dec 2025 | Bituminous Coal : 99.7% |
| Indeck Niles Energy Center | Indeck Niles, LLC | Niles, MI | 6 TWh | Jun 2022 | Dec 2025 | Natural Gas |
| Tenaska Westmoreland Generating Station | Tenaska Pennsylvania Partners, LLC | Smithton, PA | 6 TWh | Nov 2018 | Dec 2025 | Natural Gas |
| CPV Three Rivers Energy Center | CPV Three Rivers, LLC | Morris, IL | 6 TWh | May 2023 | Dec 2025 | Natural Gas |
| Clean Energy Future-Lordstown, LLC | Clean Energy Future-Lordstown, LLC | Lordstown, OH | 7 TWh | Sep 2018 | Dec 2025 | Natural Gas |
| Hickory Run Energy Station | Hickory Run Energy, LLC | New Castle, PA | 7 TWh | Apr 2020 | Dec 2025 | Natural Gas |
| Miami Fort | Luminant Miami Fort | North Bend, OH | 7 TWh | Oct 1960 | Dec 2025 | Bituminous Coal : 99.8% |
| Mountaineer | Appalachian Power Co | New Haven, WV | 7 TWh | Aug 1980 | Dec 2025 | Bituminous Coal : 99.7% |
| Moxie Freedom Generation Plant | Moxie Freedom LLC | Salem Township, PA | 7 TWh | Jul 2018 | Dec 2025 | Natural Gas |
| South Field Energy | South Field Energy, LLC | Wellsville, OH | 7 TWh | Jul 2021 | Dec 2025 | Natural Gas |
| New Covert Generating Facility | Consumers Energy Co - (MI) | Covert, MI | 7 TWh | Feb 2004 | Dec 2025 | Natural Gas |
| CPV Fairview Energy Center | CPV Fairview, LLC | Johnstown, PA | 8 TWh | Nov 2019 | Dec 2025 | Natural Gas |
| Jackson Generation, LLC | Jackson Generation, LLC | Elwood, IL | 8 TWh | Apr 2022 | Dec 2025 | Natural Gas |
| Davis Besse | Energy Harbor Nuclear Generation LLC | Oak Harbor, OH | 8 TWh | Oct 1977 | Dec 2025 | Nuclear |
| Lawrenceburg Power, LLC | Lawrenceburg Power, LLC | Lawrenceburg, IN | 8 TWh | May 2004 | Dec 2025 | Natural Gas |
| Hummel Station LLC | Hummel Station, LLC | Shamokin Dam, PA | 8 TWh | May 2018 | Dec 2025 | Natural Gas |
| Fairless Energy Center | Edgewater Generation, LLC | Fairless Hills, PA | 9 TWh | Apr 2004 | Dec 2025 | Natural Gas |
| Warren County | Virginia Electric & Power Co | Front Royal, VA | 9 TWh | Nov 2014 | Dec 2025 | Natural Gas |
| York Energy Center | Calpine Mid-Merit LLC | Delta, PA | 9 TWh | Feb 2011 | Dec 2025 | Natural Gas : 99.6% |
| H L Spurlock | East Kentucky Power Coop, Inc | Maysville, KY | 9 TWh | Aug 1977 | Dec 2025 | Bituminous Coal : 99.4% |
| Lackawanna Energy Center | Invenergy Services LLC | Jessup, PA | 9 TWh | Feb 2018 | Dec 2025 | Natural Gas |
| John E Amos | Appalachian Power Co | St Albans, WV | 9 TWh | Aug 1971 | Dec 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| PSEG Hope Creek Generating Station | PSEG Nuclear LLC | Hancocks Bridge, NJ | 9 TWh | Nov 1986 | Dec 2025 | Nuclear |
| Perry | Energy Harbor Nuclear Generation LLC | Perry, OH | 9 TWh | Oct 1987 | Dec 2025 | Nuclear |
| Rockport | Indiana Michigan Power Co | Rockport, IN | 10 TWh | Nov 1984 | Dec 2025 | Subbituminous Coal : 97.3% Bituminous Coal : 2.3% |
| Brunswick County Power Station | Virginia Electric & Power Co | Freeman, VA | 10 TWh | Mar 2016 | Dec 2025 | Natural Gas |
| Hanging Rock Energy Facility | Dynegy Hanging Rock Energy Facility | Ironton, OH | 10 TWh | May 2003 | Dec 2025 | Natural Gas |
| FirstEnergy Harrison Power Station | Monongahela Power Co | Haywood, WV | 11 TWh | Nov 1972 | Dec 2025 | Refined Coal : 99.8% |
| Cardinal | Cardinal Operating Company | Brillant, OH | 11 TWh | Jan 1967 | Dec 2025 | Bituminous Coal : 99.7% |
| Guernsey Power Station | Guernsey Power Station LLC | Byesville, OH | 11 TWh | Jan 2023 | Dec 2025 | Natural Gas |
| Greensville County Power Station | Virginia Electric & Power Co | Emporia, VA | 11 TWh | Nov 2018 | Dec 2025 | Natural Gas |
| Gavin Power, LLC | Gavin Power, LLC | Cheshire, OH | 13 TWh | Sep 1974 | Dec 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Surry | Virginia Electric & Power Co | Surry, VA | 13 TWh | Nov 1972 | Dec 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Constellation Nuclear | Lusby, MD | 15 TWh | Apr 1975 | Dec 2025 | Nuclear |
| North Anna | Virginia Electric & Power Co | Mineral, VA | 15 TWh | May 1978 | Dec 2025 | Nuclear |
| Beaver Valley | Energy Harbor Nuclear Generation LLC | Shippingport, PA | 15 TWh | Aug 1976 | Dec 2025 | Nuclear |
| Quad Cities Generating Station | Constellation Nuclear | Cordova, IL | 15 TWh | Nov 1972 | Dec 2025 | Nuclear |
| Dresden Generating Station | Constellation Nuclear | Morris, IL | 15 TWh | Jul 1970 | Dec 2025 | Nuclear |
| Donald C Cook | Indiana Michigan Power Co | Bridgman, MI | 18 TWh | Jul 1975 | Dec 2025 | Nuclear |
| TalenEnergy Susquehanna | TalenEnergy Susquehanna LLC | Berwick, PA | 19 TWh | May 1983 | Dec 2025 | Nuclear |
| PSEG Salem Generating Station | PSEG Nuclear LLC | Hancocks Bridge, NJ | 19 TWh | May 1971 | Dec 2025 | Nuclear |
| LaSalle Generating Station | Constellation Nuclear | Marseilles, IL | 19 TWh | Dec 1983 | Dec 2025 | Nuclear |
| Limerick | Constellation Nuclear | Sanatoga, PA | 19 TWh | Jan 1986 | Dec 2025 | Nuclear |
| Byron Generating Station | Constellation Nuclear | Byron, IL | 20 TWh | Aug 1985 | Dec 2025 | Nuclear |
| Braidwood Generation Station | Constellation Nuclear | Braceville, IL | 20 TWh | Jun 1988 | Dec 2025 | Nuclear |
| Peach Bottom | Constellation Nuclear | Delta, PA | 22 TWh | Jun 1974 | Dec 2025 | Nuclear |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #60 | Alcoa Power Generating, Inc. - Yadkin Division | 610.0 GWh | 4 |
| #25 | Dominion Energy South Carolina, Inc. | 25.6 TWh | 87 |
| #13 | Duke Energy Carolinas | 112.4 TWh | 565 |
| #17 | Duke Energy Progress East | 64.5 TWh | 559 |
| #52 | Duke Energy Progress West | 4.3 TWh | 10 |
| #15 | ISO New England | 110.5 TWh | 1,577 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.3 TWh | 25 |
| #12 | New York Independent System Operator | 134.0 TWh | 1,211 |
| #29 | 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 | 879.0 TWh | 2,465 |
| #2 | Midcontinent Independent System Operator, Inc. | 659.4 TWh | 2,831 |
| #3 | Electric Reliability Council of Texas, Inc. | 484.9 TWh | 1,313 |
| #5 | Southwest Power Pool | 300.1 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 179.9 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 162.4 TWh | 204 |
| #10 | Florida Power & Light Co. | 150.5 TWh | 187 |
| #12 | New York Independent System Operator | 134.0 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.4 TWh | 565 |