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% |
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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 |
|---|---|---|---|---|---|---|
| Hunker Solar River, LLC | SolRiver Capital LLC | Ruffs Dale, PA | 5 GWh | Jul 2021 | Dec 2025 | Solar |
| Somonauk Road Solar 1 | Somonauk Road Solar 1, LLC | Somonauk, IL | 4 GWh | Feb 2021 | Dec 2025 | Solar |
| Halifax County Biomass | South Boston Energy LLC | South Boston, VA | 359 GWh | Oct 2013 | Dec 2025 | Wood/Wood Waste Solids |
| South Field Energy | South Field Energy, LLC | Wellsville, OH | 8 TWh | Jul 2021 | Jul 2026 | Natural Gas |
| SECCRA Community Landfill | Southeastern Chester County Refuse Auth | West Grove, PA | 2 GWh | Dec 2006 | Dec 2025 | Landfill Gas |
| Beech Ridge II Wind Energy Center | Southern Power Co | Rupert, WV | 142 GWh | Apr 2020 | Jul 2026 | Wind |
| Spectrum Solar Hybrid | Spectrum Solar LLC | Oxon Hill, MD | 11 GWh | Nov 2023 | Dec 2025 | Solar |
| IL17021 Brush Creek I CSG | SPG IL Brush Creek I Solar LLC | Freeport, IL | 4 GWh | Feb 2022 | Dec 2025 | Solar |
| Allegheny Energy Units 3 4 & 5 | Springdale Energy LLC | Springdale, PA | 4 TWh | Jun 2003 | Jul 2026 | Natural Gas |
| Springdale 1 & 2 | Springdale Energy LLC | Springdale, PA | 147 GWh | Nov 1999 | Dec 2025 | Natural Gas |
| SR Turkey Creek, LLC | SR Turkey Creek, LLC | Lancaster, KY | 105 GWh | Oct 2022 | Jul 2026 | Solar |
| Cedarville Road | SRC P9 - Lena Solar, LLC | Lena, IL | 4 GWh | Nov 2020 | Dec 2025 | Solar |
| Old Court Rd Solar | SRC Partnership 1, LLC | Woodstock, MD | 3 GWh | Sep 2019 | Dec 2025 | Solar |
| Bluefin Origination 1 | SRC Partnership 1, LLC | Brandywine, MD | 2 GWh | Oct 2019 | Dec 2025 | Solar |
| Irwin Solar, LLC | SRC Partnership 12, LLC | Kankakee, IL | 4 GWh | Feb 2024 | Dec 2025 | Solar |
| Manteno Solar 1 LLC | SRC Partnership 12, LLC | Manteno, IL | 2 GWh | Jul 2023 | Dec 2025 | Solar |
| Boigenzahn Solar 1A, LLC | SRC Partnership 12, LLC | Lee, IL | 3 GWh | Nov 2023 | Dec 2025 | Solar |
| Engel Solar 1, LLC | SRC Partnership 12, LLC | Sandwich, IL | 4 GWh | Nov 2023 | Dec 2025 | Solar |
| Poplar Grove Solar 2, LLC | SRC Partnership 12, LLC | Caledonia, IL | 5 GWh | Nov 2023 | Dec 2025 | Solar |
| Moore Solar 1, LLC | SRC Partnership 12, LLC | Waterman, IL | 4 GWh | May 2024 | Dec 2025 | Solar |
| Frieders Solar 1, LLC | SRC Partnership 12, LLC | Sandwich, IL | 5 GWh | Nov 2023 | Dec 2025 | Solar |
| SV CSG Garden Prairie 1, LLC | SRC Partnership 12, LLC | Garden Prairie, IL | 4 GWh | Apr 2024 | Dec 2025 | Solar |
| SV CSG Gardner 2 LLC | SRC Partnership 12, LLC | Gardner, IL | 4 GWh | May 2024 | Dec 2025 | Solar |
| Goodfarm Solar, LLC | SRC Partnership 12, LLC | Dwight, IL | 4 GWh | Jan 2024 | Dec 2025 | Solar |
| Heinsohn Solar 1A, LLC | SRC Partnership 12, LLC | Kirkland, IL | 2 GWh | May 2024 | Dec 2025 | Solar |
| Heinsohn Solar 1, LLC | SRC Partnership 12, LLC | Kirkland, IL | 2 GWh | Jun 2024 | Dec 2025 | Solar |
| SV CSG Kirkland 1 LLC | SRC Partnership 12, LLC | Kirkland, IL | 1 GWh | May 2024 | Sep 2025 | Solar |
| SV CSG Kirkland 2 LLC | SRC Partnership 12, LLC | Kirkland, IL | 1 GWh | Apr 2024 | Sep 2025 | Solar |
| 7001 Quad Solar, LLC | SRC Partnership 12, LLC | Rosedale, MD | 5 GWh | Aug 2023 | Dec 2025 | Solar |
| Poplar Grove Solar, LLC | SRC Partnership 12, LLC | Caledonia, IL | 4 GWh | Nov 2023 | Dec 2025 | Solar |
| SV CSG Garden Prairie 2, LLC | SRC Partnership 12, LLC | Garden Prairie, IL | 4 GWh | May 2024 | Dec 2025 | Solar |
| SV CSG Mt Morris 3 LLC | SRC Partnership 12, LLC | Mount Morris, IL | 4 GWh | Apr 2024 | Dec 2025 | Solar |
| SV CSG Momence 2 LLC | SRC Partnership 12, LLC | Momence, IL | 4 GWh | Apr 2024 | Dec 2025 | Solar |
| SV CSG Momence 1 LLC | SRC Partnership 12, LLC | Momence, IL | 4 GWh | Apr 2024 | Dec 2025 | Solar |
| SV CSG Kensington 1 LLC | SRC Partnership 12, LLC | Kankakee, IL | 4 GWh | Apr 2024 | Dec 2025 | Solar |
| Moore Solar 1A, LLC | SRC Partnership 12, LLC | Waterman, IL | 5 GWh | May 2024 | Dec 2025 | Solar |
| 4622 Mercedes Dr Solar, LLC | SRC Partnership 13, LLC | Belcamp, MD | 3 GWh | Nov 2023 | Dec 2025 | Solar |
| Hoppe Nitzberg Solar 1 | SRC Partnership 14 LLC | Kingston, IL | 4 GWh | Oct 2024 | Dec 2025 | Solar |
| Engel Solar 1A | SRC Partnership 14 LLC | Sandwich, IL | 5 GWh | Oct 2024 | Dec 2025 | Solar |
| Hoppe Nitzberg Solar 1A | SRC Partnership 14 LLC | Kingston, IL | 3 GWh | Oct 2024 | Dec 2025 | Solar |
| Heinsohn Solar 2A | SRC Partnership 14 LLC | Kingston, IL | 4 GWh | Nov 2024 | Dec 2025 | Solar |
| Briscoe Solar 1 | SRC Partnership 14 LLC | Tonica, IL | 4 GWh | Nov 2024 | Dec 2025 | Solar |
| Briscoe Solar 2 | SRC Partnership 14 LLC | Lostant, IL | 3 GWh | Apr 2025 | Dec 2025 | Solar |
| Clark Solar 1 | SRC Partnership 14 LLC | San Jose, IL | 5 GWh | Nov 2024 | Dec 2025 | Solar |
| Clark Solar 1A | SRC Partnership 14 LLC | San Jose, IL | 5 GWh | Nov 2024 | Dec 2025 | Solar |
| Crawford 1 Solar | SRC Partnership 14 LLC | Dixon, IL | 4 GWh | Oct 2024 | Dec 2025 | Solar |
| Crawford 1A Solar | SRC Partnership 14 LLC | Dixon, IL | 4 GWh | Feb 2025 | Dec 2025 | Solar |
| Heinsohn Solar 2 | SRC Partnership 14 LLC | Kingston, IL | 3 GWh | Nov 2024 | Nov 2025 | Solar |
| USS Clear Creek Solar | SRC Partnership 15 LLC | Virginia, IL | 232 MWh | Oct 2025 | Dec 2025 | Solar |
| USS Lowe Solar | SRC Partnership 15 LLC | Kankakee, IL | 4 GWh | Jul 2024 | Dec 2025 | Solar |
| USS Vermilion Solar 1 LLC (Vermilion 1) | SRC Partnership 15 LLC | Fithian, IL | 3 GWh | Nov 2024 | Dec 2025 | Solar |
| USS Vermilion Solar 1 LLC (Vermilion 2) | SRC Partnership 15 LLC | Fithian, IL | 4 GWh | Nov 2024 | Dec 2025 | Solar |
| Rock Cut Solar | SRC Partnership 15 LLC | Rockford, IL | 2 GWh | Jul 2025 | Dec 2025 | Solar |
| Shissler Solar | SRC Partnership 15 LLC | Brimfield, IL | 847 MWh | Aug 2025 | Dec 2025 | Solar |
| Midwest Power Partners LLC (Pirolo) | SRC Partnership 15 LLC | Williamson, IL | 9 GWh | Jan 2025 | Dec 2025 | Solar |
| Essex Solar | SRC Partnership 15 LLC | Wyoming, IL | 5 GWh | Apr 2025 | Dec 2025 | Solar |
| Brimfield Solar | SRC Partnership 15 LLC | Brimfield, IL | 798 MWh | Aug 2025 | Dec 2025 | Solar |
| Illinois River Solar 2, LLC | SRC Partnership 16, LLC | Henry, IL | 7 MWh | Nov 2025 | Dec 2025 | Solar |
| East Marion IL 1, LLC | SRC Partnership 16, LLC | Marion, IL | 4 GWh | May 2025 | Dec 2025 | Solar |
| Millstadt IL 1, LLC | SRC Partnership 16, LLC | Belleville, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| Princeville Solar, LLC | SRC Partnership 16, LLC | Princeville, IL | 293 MWh | Oct 2025 | Dec 2025 | Solar |
| USS St Anne Solar LLC (St. Anne 1) | SRC Partnership 16, LLC | St Anne, IL | 4 GWh | Oct 2024 | Dec 2025 | Solar |
| USS St Anne Solar LLC (St Anne 2) | SRC Partnership 16, LLC | St Anne, IL | 4 GWh | Oct 2024 | Dec 2025 | Solar |
| USS Young Solar LLC (Young 2) | SRC Partnership 16, LLC | Newman, IL | 4 GWh | Jan 2025 | Dec 2025 | Solar |
| IGS East Central, LLC | SRC Partnership 3, LLC | Joliet, IL | 4 GWh | Nov 2020 | Dec 2025 | Solar |
| University Park Solar | SS PA II PSU LLC | State College, PA | 2 GWh | Nov 2018 | Dec 2024 | Solar |
| St Joseph Energy Center | St Joseph Energy Center LLC | New Carlisle, IN | 6 TWh | Mar 2018 | Jul 2026 | Natural Gas |
| EDF Saucon Valley | Standard Solar | Bethlehem, PA | 5 GWh | May 2024 | Dec 2025 | Solar |
| CUA West Campus - South (CSG) | Standard Solar | Washington, DC | 5 GWh | May 2024 | Dec 2025 | Solar |
| Cenergy IL - Zion CSG | Standard Solar | Zion, IL | 13 MWh | Nov 2025 | Dec 2025 | Solar |
| NL IL - 2000 North Road CSG | Standard Solar | Kankakee, IL | 1 GWh | Sep 2025 | Dec 2025 | Solar |
| NL IL - 241 North CSG | Standard Solar | Peotone, IL | 1 GWh | Sep 2025 | Dec 2025 | Solar |
| NL IL - Maples Road | Standard Solar | Dixon, IL | 867 MWh | Sep 2025 | Dec 2025 | Solar |
| NL IL - McConnell Road | Standard Solar | Rock City, IL | 208 MWh | Oct 2025 | Dec 2025 | Solar |
| NL VA - Dry Fork | Standard Solar | Chatham, VA | 227 MWh | Oct 2025 | Dec 2025 | Solar |
| CUA West Campus - North (CSG) | Standard Solar | Washington, DC | 5 GWh | May 2024 | Dec 2025 | Solar |
| OER Monarch CSG | Standard Solar | Upper Marlboro, MD | 3 GWh | Nov 2021 | Dec 2025 | Solar |
| Hall Property | Standard Solar | Upper Marlboro, MD | 3 GWh | Feb 2024 | Dec 2025 | Solar |
| HCE Amelia Solar I, LLC | Standard Solar | Amelia Court House, VA | 9 GWh | Nov 2023 | Dec 2025 | Solar |
| MNCPPC Randall Farm | Standard Solar | Upper Marlboro, MD | 2 GWh | Mar 2020 | Dec 2025 | Solar |
| HCE Amelia Solar II, LLC | Standard Solar | Amelia, VA | 7 GWh | Nov 2023 | Dec 2025 | Solar |
| HCE Millboro Springs Solar, LLC | Standard Solar | Millboro, VA | 6 GWh | Sep 2024 | Dec 2025 | Solar |
| HCE Moran Solar, LLC | Standard Solar | Rice, VA | 2 GWh | Nov 2024 | Dec 2025 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | 4 GWh | Oct 2022 | Dec 2025 | Solar |
| HCE Reams Solar, LLC | Standard Solar | Dinwiddie, VA | 9 GWh | Jul 2024 | Dec 2025 | Solar |
| HCE Red House Solar, LLC | Standard Solar | Red House, VA | 4 GWh | Feb 2025 | Dec 2025 | Solar |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | 3 GWh | Nov 2021 | Dec 2025 | Solar |
| HCE Powhatan Solar, LLC | Standard Solar | Powhatan, VA | 7 GWh | Nov 2023 | Dec 2025 | Solar |
| HCE Roark Mill Solar, LLC | Standard Solar | Hurt, VA | 4 GWh | Jul 2024 | Dec 2025 | Solar |
| Shepherds Mill CSG | Standard Solar | Union Bridge, MD | 3 GWh | Aug 2021 | Dec 2025 | Solar |
| MNCPPC Germantown Solar | Standard Solar | Boyds, MD | 2 GWh | Jan 2018 | Dec 2025 | Solar |
| USS Sycamore Solar (CSG) | Standard Solar | Sycamore, IL | 4 GWh | Apr 2022 | Dec 2025 | Solar |
| USS Goodrich Solar | Standard Solar | Bonfield, IL | 4 GWh | Jul 2022 | Dec 2025 | Solar |
| Anne Arundel County Public Schools | Standard Solar | Pasadena, MD | 2 GWh | Sep 2017 | Dec 2025 | Solar |
| Holly Spring Meadows | Standard Solar | District Heights, MD | 2 GWh | Jun 2023 | Dec 2025 | Solar |
| UMCES Ground Mount | Standard Solar | Cambridge, MD | 3 GWh | Jan 2018 | Dec 2025 | Solar |
| Fort Indiantown Gap | Standard Solar | Annville, PA | 5 GWh | Dec 2018 | Dec 2025 | Solar |
| Glades Pike Generation Plant | State Correctnl Inst Laurel Highlands | Somerset, PA | 8 GWh | Sep 2011 | Dec 2025 | Landfill Gas |
| Watson Seed Farm PV1 | Strata Manager, LLC | Whitakers, NC | 30 GWh | Nov 2015 | Dec 2025 | Solar |
| Bradley PV1 | Strata Manager, LLC | Aulander, NC | 6 GWh | Nov 2015 | Dec 2025 | Solar |
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 |