| Millstone | Dominion Energy Nuclear Conn Inc | Waterford, CT | 17 TWh | Nov 1975 | Feb 2026 |
Nuclear
|
| Seabrook | NextEra Energy Seabrook LLC | Seabrook, NH | 11 TWh | Jul 1990 | Feb 2026 |
Nuclear
|
| Lake Road Generating Plant | Lake Road Generating Co LP | Dayville, CT | 6 TWh | Feb 2002 | Feb 2026 |
Natural Gas
|
| CPV Towantic Energy Center | CPV Towantic, LLC | Oxford, CT | 5 TWh | Apr 2018 | Feb 2026 |
Natural Gas
|
| Granite Ridge | Granite Ridge Energy LLC | Londonderry, NH | 4 TWh | Feb 2003 | Feb 2026 |
Natural Gas
|
| Rhode Island State Energy Center | RISEC Operating Services | Johnston, RI | 4 TWh | Sep 2002 | Feb 2026 |
Natural Gas
|
| Westbrook Energy Center Power Plant | Westbrook Energy Center | Westbrook, ME | 4 TWh | Apr 2001 | Feb 2026 |
Natural Gas
|
| ANP Bellingham Energy Project | Bellingham Power Generation LLC | Bellingham, MA | 3 TWh | Oct 2002 | Feb 2026 |
Natural Gas
|
| Kleen Energy Systems Project | Kleen Energy Systems, LLC | Middletown, CT | 3 TWh | Jun 2011 | Feb 2026 |
Natural Gas : 97.7%
Distillate Fuel Oil : 2.3%
|
| Bridgeport Station | Generation Bridge II Connecticut, LLC | Bridgeport, CT | 3 TWh | Jul 1961 | Feb 2026 |
Natural Gas : 85.2%
Distillate Fuel Oil : 14.8%
|
| ANP Blackstone Energy Project | ANP Blackstone Energy Company LLC | Blackstone, MA | 3 TWh | May 2001 | Feb 2026 |
Natural Gas
|
| Milford Power Project | Milford Power Co LLC | Milford, CT | 3 TWh | Jan 2004 | Feb 2026 |
Natural Gas
|
| Fore River Generating Station | Calpine Fore River Energy Center, LLC | North Weymouth, MA | 3 TWh | Jul 2003 | Feb 2026 |
Natural Gas : 93.4%
Distillate Fuel Oil : 6.6%
|
| Bridgeport Energy Project | Bridgeport Energy LLC | Bridgeport, CT | 3 TWh | May 1998 | Feb 2026 |
Natural Gas
|
| Maine Independence Station | Casco Bay Energy Co LLC | Veazie, ME | 3 TWh | Apr 2000 | Dec 2024 |
Natural Gas
|
| Manchester Street | Manchester Street, LLC. | Providence, RI | 2 TWh | Aug 1995 | Feb 2026 |
Natural Gas : 91.8%
Distillate Fuel Oil : 8.2%
|
| Newington Energy Center | Essential Power Operating Services, LLC | Newington, NH | 2 TWh | Sep 2002 | Feb 2026 |
Natural Gas : 92.5%
Distillate Fuel Oil : 7.5%
|
| Mystic Generating Station | Constellation Mystic Power LLC | Charlestown, MA | 2 TWh | May 1969 | Mar 2024 |
Natural Gas
|
| Salem Harbor Power Development LP | Salem Harbor Power Development LP | Salem, MA | 2 TWh | Apr 2018 | Feb 2026 |
Natural Gas
|
| Tiverton Power Plant | Tiverton Power LLC | Tiverton, RI | 2 TWh | Feb 2000 | Dec 2024 |
Natural Gas
|
| Kendall Square Station | Kendall Green Energy, LLC | Cambridge, MA | 2 TWh | May 1949 | Feb 2026 |
Natural Gas : 97.5%
Distillate Fuel Oil : 2.5%
|
| Ocean State Power | Ocean State Power Co | Harrisville, RI | 1 TWh | Nov 1990 | Dec 2024 |
Natural Gas : 99.9%
|
| Millennium Power | Millennium Power Company, LLC | Charlton, MA | 1 TWh | Mar 2001 | Feb 2026 |
Natural Gas
|
| Ocean State Power II | Ocean State Power II | Harrisville, RI | 897 GWh | Sep 1991 | Dec 2024 |
Natural Gas : 99.9%
|
| Rumford Power LLC | Rumford Power | Rumford, ME | 638 GWh | Jun 2000 | Dec 2024 |
Natural Gas
|
| Berkshire Power | Berkshire Power Co LLC | Agawam, MA | 573 GWh | Aug 1999 | Dec 2024 |
Natural Gas
|
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | 571 GWh | Jun 1917 | Dec 2024 |
Water
|
| Somerset Plant | Sappi Fine Paper North America-Somerset | Skowhegan, ME | 558 GWh | Dec 1975 | Feb 2026 |
Black Liquor : 45.5%
Wood/Wood Waste Solids : 36.3%
Natural Gas : 9.5%
Tire-derived Fuels : 4.4%
Residual Fuel Oil : 3.4%
Sludge Waste : 0.7%
|
| SEMASS Resource Recovery | SEMASS Partnership | West Wareham, MA | 556 GWh | Jun 1988 | Feb 2026 |
Non-biogenic Municipal Solid Waste : 54.0%
Biogenic Municipal Solid Waste : 44.2%
Natural Gas : 1.7%
|
| Canal | Canal Generating LLC | Sandwich, MA | 537 GWh | May 1968 | Feb 2026 |
Residual Fuel Oil : 56.2%
Natural Gas : 33.6%
Distillate Fuel Oil : 10.3%
|
| Dighton Power Plant | Dighton Power, LLC | Dighton, MA | 531 GWh | Apr 1999 | Dec 2024 |
Natural Gas
|
| Bingham Wind | Onward Energy | Bingham, ME | 481 GWh | Nov 2016 | Feb 2026 |
Wind
|
| Wheelabrator Bridgeport | Wheelabrator Environmental Systems | Bridgeport, CT | 476 GWh | Jun 1988 | Feb 2026 |
Non-biogenic Municipal Solid Waste : 55.0%
Biogenic Municipal Solid Waste : 45.0%
|
| Masspower | Masspower | Indian Orchard, MA | 476 GWh | Jun 1993 | Dec 2024 |
Natural Gas
|
| Rumford Cogeneration | ND Paper, Inc. | Rumford, ME | 405 GWh | Dec 1989 | Feb 2026 |
Black Liquor : 52.7%
Tire-derived Fuels : 21.8%
Wood/Wood Waste Solids : 16.1%
Bituminous Coal : 7.1%
Residual Fuel Oil : 1.4%
Sludge Waste : 0.8%
|
| Comerford | Great River Hydro, LLC | Monroe, NH | 400 GWh | Aug 1930 | Dec 2024 |
Water
|
| Bellingham Cogeneration Facility | Northeast Energy Associates LP | Bellingham, MA | 368 GWh | Aug 1991 | Dec 2024 |
Natural Gas : 99.9%
|
| Burgess BioPower | Berlin Station, LLC | Berlin, NH | 349 GWh | Oct 2013 | Dec 2024 |
Wood/Wood Waste Solids
|
| Oakfield Wind Project | Onward Energy | City of Oakfield, ME | 342 GWh | Sep 2015 | Feb 2026 |
Wind
|
| S C Moore | Great River Hydro, LLC | Littleton, NH | 341 GWh | Dec 1956 | Dec 2024 |
Water
|
| William F Wyman Hybrid | FPL Energy Wyman LLC | Yarmouth, ME | 339 GWh | Dec 1956 | Feb 2026 |
Residual Fuel Oil : 99.6%
|
| Wyman Hydro | Brookfield White Pine Hydro LLC | Bingham, ME | 337 GWh | Dec 1929 | Dec 2024 |
Water
|
| Downeast Wind | Downeast Wind, LLC | Columbia, ME | 329 GWh | - | Feb 2026 |
Wind
|
| Medical Area Total Energy Plant | MATEP LLC | Boston, MA | 318 GWh | Dec 1979 | Dec 2024 |
Natural Gas : 98.3%
Distillate Fuel Oil : 1.7%
|
| Wheelabrator Millbury Facility | Wheelabrator Environmental Systems | Millbury, MA | 316 GWh | Aug 1987 | Feb 2026 |
Non-biogenic Municipal Solid Waste : 55.0%
Biogenic Municipal Solid Waste : 45.0%
|
| Cabot | FirstLight Power Resources, Inc. - MA | Montague, MA | 304 GWh | Dec 1914 | Dec 2024 |
Water
|
| ReEnergy Livermore Falls | ReEnergy Livermore Falls | Livermore Falls, ME | 267 GWh | Jul 1992 | Dec 2024 |
Wood/Wood Waste Solids
|
| Bellows Falls | Great River Hydro, LLC | Bellow Falls, VT | 264 GWh | Feb 1928 | Dec 2024 |
Water
|
| Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | 261 GWh | Dec 1917 | Dec 2024 |
Water
|
| Milford Power LP | Milford Power LLC | Milford, MA | 253 GWh | Feb 1993 | Dec 2024 |
Natural Gas
|
| Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | 250 GWh | Feb 2019 | Feb 2026 |
Natural Gas : 95.1%
Kerosene : 4.9%
|
| Plainfield Renewable Energy LLC | Plainfield Renewable Energy, LLC | Plainfield, CT | 247 GWh | Nov 2013 | Oct 2024 |
Wood/Wood Waste Solids : 99.5%
Other Biomass Liquids : 0.5%
|
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | 236 GWh | Apr 1985 | Feb 2026 |
Non-biogenic Municipal Solid Waste : 55.0%
Biogenic Municipal Solid Waste : 45.0%
|
| Kibby Wind Facility | Helix Maine Wind Development, LLC | Chain of Ponds, ME | 235 GWh | Sep 2009 | Feb 2026 |
Wind
|
| Weaver Wind | Weaver Wind, LLC (Longroad) | Township 16, ME | 220 GWh | Nov 2020 | Feb 2026 |
Wind
|
| Kimberly Clark-Unit 1,2,3 | Kimberly-Clark Corporation | New Milford, CT | 219 GWh | Mar 2008 | Dec 2024 |
Natural Gas
|
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | 206 GWh | Apr 1989 | Feb 2026 |
Non-biogenic Municipal Solid Waste : 51.9%
Biogenic Municipal Solid Waste : 42.5%
Distillate Fuel Oil : 5.6%
|
| Mass Inst Tech Cntrl Utilities/Cogen Plt | Massachusetts Inst of Tech | Cambridge, MA | 205 GWh | May 1995 | Dec 2024 |
Natural Gas
|
| ReEnergy Stratton LLC | ReEnergy Stratton LLC | Stratton, ME | 203 GWh | Oct 1989 | Dec 2024 |
Wood/Wood Waste Solids
|
| J C McNeil | City of Burlington Electric - (VT) | Burlington, VT | 196 GWh | May 1984 | Feb 2026 |
Wood/Wood Waste Solids : 99.8%
|
| Three Corners Solar | Three Corners Solar, LLC | Unity, ME | 186 GWh | Jun 2024 | Feb 2026 |
Solar
|
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | 183 GWh | Jul 1985 | Feb 2026 |
Non-biogenic Municipal Solid Waste : 55.0%
Biogenic Municipal Solid Waste : 45.0%
|
| Granite Reliable Power | NexteraEnergy | Dummer, NH | 182 GWh | Jan 2012 | Feb 2026 |
Wind
|
| Johnston LFG Turbine Plant | Rhode Island LFG Genco | Johnston, RI | 181 GWh | Apr 2013 | Feb 2026 |
Landfill Gas
|
| Wilder | Great River Hydro, LLC | Hartford, VT | 179 GWh | Oct 1950 | Dec 2024 |
Water
|
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | 176 GWh | Oct 1981 | Feb 2026 |
Distillate Fuel Oil : 56.2%
Natural Gas : 43.8%
|
| Harris Hydro | Brookfield White Pine Hydro LLC | West Forks, ME | 170 GWh | Dec 1953 | Dec 2024 |
Water
|
| Kingdom Community Wind | Green Mountain Power Corp | Lowell, VT | 168 GWh | Oct 2012 | Feb 2026 |
Wind
|
| New Haven Harbor | Generation Bridge II Connecticut, LLC | New Haven, CT | 167 GWh | Jun 1975 | Jan 2026 |
Residual Fuel Oil : 45.1%
Natural Gas : 40.3%
Distillate Fuel Oil : 12.2%
Kerosene : 2.5%
|
| Gravel Pit Solar, LLC | Gravel Pit Solar, LLC | East Windsor, CT | 160 GWh | - | Feb 2026 |
Solar
|
| Vernon Dam | Great River Hydro, LLC | Vernon, VT | 160 GWh | Jul 1909 | Dec 2024 |
Water
|
| Newington | Granite Shore Power | Newington, NH | 153 GWh | May 1974 | Feb 2026 |
Residual Fuel Oil : 65.7%
Natural Gas : 32.8%
Distillate Fuel Oil : 1.5%
|
| Hadley Falls | City of Holyoke Gas and Electric Dept. | Holyoke, MA | 151 GWh | Dec 1951 | Dec 2024 |
Water
|
| Ryegate Associates, LLC | Ryegate Associates, LLC | East Ryegate, VT | 150 GWh | Aug 1992 | Dec 2024 |
Wood/Wood Waste Solids
|
| Toray Plastic America's CHP Plant | Toray Plastics America | North Kingstown, RI | 147 GWh | Dec 2002 | Dec 2024 |
Natural Gas
|
| Algonquin Windsor Locks | Ahlstrom Power Windsor Locks LLC | Windsor Locks, CT | 147 GWh | Dec 1989 | Feb 2026 |
Natural Gas : 92.2%
Distillate Fuel Oil : 7.8%
|
| Charles E Monty | Brookfield White Pine Hydro LLC | Lewiston, ME | 141 GWh | Dec 1989 | Dec 2024 |
Water
|
| Passadumkeag Windpark LLC | Southern Power Co | Greenbush, ME | 138 GWh | Jun 2016 | Feb 2026 |
Wind
|
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | 136 GWh | Dec 1925 | Dec 2024 |
Water
|
| Rollins Wind Project | Evergreen Wind, LLC | Winn Village, ME | 136 GWh | Jun 2011 | Dec 2024 |
Wind
|
| Pittsfield Generating LP | Pittsfield Generating Company, LP | Pittsfield, MA | 136 GWh | Jun 1990 | Feb 2026 |
Natural Gas : 96.9%
Distillate Fuel Oil : 3.1%
|
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | 133 GWh | Dec 1913 | Dec 2024 |
Water
|
| Rand Whitney CHP Plant | Rand Whitney Containerboard L.P. | Montville, CT | 133 GWh | Mar 2005 | Feb 2026 |
Natural Gas
|
| Cleary Flood Hybrid | City of Taunton | Taunton, MA | 133 GWh | May 1966 | Dec 2024 |
Natural Gas : 99.8%
|
| Stetson Wind I | Evergreen Wind, LLC | Danforth, ME | 121 GWh | Dec 2008 | Dec 2024 |
Wind
|
| Farmington Solar | Farmington Solar, LLC | Farmington, ME | 121 GWh | Sep 2021 | Feb 2026 |
Solar
|
| Shepaug | FirstLight Power Resources Services LLC | Southbury, CT | 117 GWh | Dec 1954 | Dec 2024 |
Water
|
| Anson Abenaki Hydros | Eagle Creek Renewable Energy, LLC | Madison, ME | 116 GWh | Dec 1949 | Dec 2024 |
Water
|
| Merrimack | Granite Shore Power | Bow, NH | 116 GWh | Nov 1960 | Feb 2026 |
Bituminous Coal : 97.5%
Jet Fuel : 2.4%
|
| Record Hill Wind | Record Hill Wind LLC | Roxbury, ME | 115 GWh | Dec 2011 | Dec 2024 |
Wind
|
| Covanta Southeastern Connecticut Company | Covanta Southeastern Connecticut Company | Preston, CT | 113 GWh | Nov 1991 | Feb 2026 |
Non-biogenic Municipal Solid Waste : 53.9%
Biogenic Municipal Solid Waste : 44.1%
Distillate Fuel Oil : 1.9%
|
| Smith (NH) | Central Rivers Power NH, LLC | Berlin, NH | 112 GWh | Jul 1948 | Dec 2024 |
Water
|
| UCONN Cogen Facility | University of Connecticut | Storrs, CT | 111 GWh | Feb 2006 | Feb 2026 |
Natural Gas : 95.2%
Distillate Fuel Oil : 4.8%
|
| Covanta Bristol Energy | Covanta Bristol Inc | Bristol, CT | 110 GWh | Nov 1987 | Feb 2026 |
Non-biogenic Municipal Solid Waste : 55.0%
Biogenic Municipal Solid Waste : 45.0%
|
| Hancock Wind Plant | Onward Energy | T22 MD, ME | 108 GWh | Nov 2016 | Feb 2026 |
Wind
|
| Groton Wind LLC | Avangrid Power LLC | Groton, NH | 107 GWh | Nov 2012 | Feb 2026 |
Wind
|
| Derby Fuel Cell | Derby Fuel Cell LLC | Derby, CT | 106 GWh | Dec 2023 | Dec 2024 |
Natural Gas
|
| Central Heating Plant | University of Massachusetts Amherst | Amherst, MA | 104 GWh | Sep 2007 | Dec 2024 |
Natural Gas : 98.5%
Distillate Fuel Oil : 1.5%
|
| Wheelabrator Lisbon | Wheelabrator Environmental Systems | Lisbon, CT | 100 GWh | Sep 1995 | Feb 2026 |
Non-biogenic Municipal Solid Waste : 55.0%
Biogenic Municipal Solid Waste : 45.0%
|
| Bridgeport Fuel Cell, LLC | Bridgeport Fuel Cell, LLC | Bridgeport, CT | 97 GWh | Nov 2013 | Dec 2024 |
Natural Gas
|
