| Wilder | Great River Hydro, LLC | Hartford, VT | 179 GWh | Oct 1950 | Dec 2024 |
Water
|
| Weybridge | Green Mountain Power Corp | Weybridge, VT | 14 GWh | Jan 1951 | Dec 2024 |
Water
|
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | 14 GWh | Apr 1951 | Dec 2024 |
Water
|
| Cherry Street | Town of Hudson - (MA) | Hudson, MA | 199 MWh | Apr 1951 | Dec 2024 |
Natural Gas : 64.2%
Distillate Fuel Oil : 35.8%
|
| Hadley Falls | City of Holyoke Gas and Electric Dept. | Holyoke, MA | 151 GWh | Dec 1951 | Dec 2024 |
Water
|
| Schiller | Granite Shore Power | Portsmouth, NH | 590 MWh | Sep 1952 | Sep 2025 |
Jet Fuel
|
| Waterbury 22 | Green Mountain Power Corp | Waterbury, VT | 15 GWh | May 1953 | Dec 2024 |
Water
|
| Montville Station | Montville Power LLC | Uncasville, CT | 28 GWh | Dec 1953 | Dec 2024 |
Natural Gas : 52.4%
Residual Fuel Oil : 46.4%
Distillate Fuel Oil : 1.2%
|
| Harris Hydro | Brookfield White Pine Hydro LLC | West Forks, ME | 170 GWh | Dec 1953 | Dec 2024 |
Water
|
| Shepaug | FirstLight Power Resources Services LLC | Southbury, CT | 117 GWh | Dec 1954 | Dec 2024 |
Water
|
| William F Wyman Hybrid | FPL Energy Wyman LLC | Yarmouth, ME | 66 GWh | Dec 1956 | Sep 2025 |
Residual Fuel Oil : 99.2%
Distillate Fuel Oil : 0.8%
|
| S C Moore | Great River Hydro, LLC | Littleton, NH | 341 GWh | Dec 1956 | Dec 2024 |
Water
|
| Central Power Plant | State of Rhode Island | Cranston, RI | 19 GWh | Jul 1958 | Sep 2025 |
Natural Gas : 98.5%
Distillate Fuel Oil : 1.5%
|
| Middletown | Middletown Power LLC | Middletown, CT | 33 GWh | Sep 1958 | Dec 2024 |
Residual Fuel Oil : 60.6%
Natural Gas : 39.3%
|
| Merrimack | Granite Shore Power | Bow, NH | 364 GWh | Nov 1960 | Sep 2025 |
Bituminous Coal : 99.7%
|
| Ascutney | Green Mountain Power Corp | Weatherfield, VT | 113 MWh | Jul 1961 | Sep 2025 |
Distillate Fuel Oil
|
| Bridgeport Station | Generation Bridge II Connecticut, LLC | Bridgeport, CT | 4 TWh | Jul 1961 | Sep 2025 |
Natural Gas : 98.6%
Distillate Fuel Oil : 1.4%
|
| Rutland | Green Mountain Power Corp | Rutland City, VT | 84 MWh | Nov 1962 | Mar 2024 |
Distillate Fuel Oil
|
| Potter Station 2 | Town of Braintree - (MA) | Braintree, MA | 23 GWh | Jun 1963 | Dec 2024 |
Natural Gas : 93.9%
Distillate Fuel Oil : 6.1%
|
| Bucksport Generation LLC | Bucksport Generation LLC | Bucksport, ME | 10 GWh | Jun 1965 | Aug 2025 |
Natural Gas : 97.3%
Distillate Fuel Oil : 2.7%
|
| Colchester 16 | Green Mountain Power Corp | Colchester, VT | 279 MWh | Sep 1965 | Dec 2024 |
Distillate Fuel Oil
|
| Cleary Flood Hybrid | City of Taunton | Taunton, MA | 133 GWh | May 1966 | Dec 2024 |
Natural Gas : 99.8%
|
| Tenth Street | City of Norwich - (CT) | Norwich, CT | 3 GWh | Apr 1967 | Sep 2024 |
Water
|
| Branford | Connecticut Jet Power LLC | Branford, CT | 109 MWh | Oct 1967 | Dec 2024 |
Kerosene
|
| Torrington Terminal | Connecticut Jet Power LLC | Torrington, CT | 146 MWh | Oct 1967 | Dec 2024 |
Kerosene
|
| Canal | Canal Generating LLC | Sandwich, MA | 352 GWh | May 1968 | Sep 2025 |
Natural Gas : 59.2%
Residual Fuel Oil : 37.0%
Distillate Fuel Oil : 3.8%
|
| White Lake | Granite Shore Power | Tamworth, NH | 484 MWh | Jun 1968 | Dec 2024 |
Jet Fuel
|
| Franklin Drive | Connecticut Jet Power LLC | Torrington, CT | 118 MWh | Oct 1968 | Dec 2024 |
Kerosene
|
| Oak Bluffs Diesel Generating Facility | Vineyard Reliability LLC | Oak Bluffs, MA | 2 GWh | Dec 1968 | Dec 2024 |
Distillate Fuel Oil
|
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | 738 MWh | Dec 1968 | Dec 2024 |
Water
|
| Mystic Generating Station | Constellation Mystic Power LLC | Charlestown, MA | 2 TWh | May 1969 | Mar 2024 |
Natural Gas
|
| Lost Nation | Granite Shore Power | Groveton, NH | 422 MWh | Aug 1969 | Dec 2024 |
Distillate Fuel Oil
|
| Exelon Framingham LLC | Constellation Power, Inc | Framingham, MA | 273 MWh | Aug 1969 | Dec 2024 |
Distillate Fuel Oil
|
| Cos Cob | Connecticut Jet Power LLC | Greenwich, CT | 676 MWh | Aug 1969 | Dec 2024 |
Kerosene
|
| Shrewsbury | Town of Shrewsbury - (MA) | Shrewsbury, MA | 34 MWh | Oct 1969 | Dec 2024 |
Distillate Fuel Oil
|
| Cape Gas Turbine | FPL Energy Cape LLC | Portland, ME | 111 MWh | Dec 1969 | Dec 2024 |
Distillate Fuel Oil
|
| Dartmouth College Heating Plant | Dartmouth College | Hanover, NH | 10 GWh | Dec 1969 | Sep 2025 |
Residual Fuel Oil
|
| Exelon Medway LLC | Constellation Power, Inc | Medway, MA | 2 GWh | Jun 1970 | Dec 2024 |
Distillate Fuel Oil
|
| Gillette SBMC | The Gillette Company | Boston, MA | 55 GWh | Jan 1971 | Sep 2025 |
Natural Gas
|
| Burlington GT | City of Burlington Electric - (VT) | Burlington, VT | 358 MWh | Aug 1971 | Dec 2024 |
Distillate Fuel Oil
|
| Waters River | City of Peabody - (MA) | Peabody, MA | 5 GWh | Nov 1971 | Nov 2024 |
Natural Gas : 78.8%
Distillate Fuel Oil : 21.2%
|
| UMass Boston | MSS Energy Holdings, LLC (d.b.a. Calibrant Energy) | Dorchester, MA | 1 GWh | Dec 1971 | Dec 2024 |
Solar
|
| Berlin 5 | Green Mountain Power Corp | Berlin, VT | 1 GWh | May 1972 | Sep 2025 |
Kerosene
|
| Univ of Massachusetts Medical Center | University of Massachusetts Medical | Worcester, MA | 69 GWh | Mar 1974 | Dec 2024 |
Natural Gas : 99.2%
Distillate Fuel Oil : 0.7%
|
| Framingham State University Plant | Framingham State University | Framingham, MA | 41 MWh | May 1974 | Sep 2025 |
Solar : 78.0%
Distillate Fuel Oil : 22.0%
|
| Newington | Granite Shore Power | Newington, NH | 95 GWh | May 1974 | Aug 2025 |
Natural Gas : 60.0%
Residual Fuel Oil : 39.5%
Distillate Fuel Oil : 0.6%
|
| Deerfield 5 | Great River Hydro, LLC | Florida, MA | 42 GWh | Sep 1974 | Dec 2024 |
Water
|
| Fife Brook | Bear Swamp Power Company LLC | Florida, MA | 29 GWh | Sep 1974 | Oct 2024 |
Water
|
| Rhode Island Hospital | Rhode Island Hospital | Providence, RI | 8 GWh | Sep 1974 | Sep 2025 |
Natural Gas : 86.8%
Residual Fuel Oil : 13.2%
|
| West Tisbury Generating Facility | Vineyard Reliability LLC | West Tisbury, MA | 3 GWh | Dec 1974 | Dec 2024 |
Distillate Fuel Oil
|
| New Haven Harbor | Generation Bridge II Connecticut, LLC | New Haven, CT | 93 GWh | Jun 1975 | Sep 2025 |
Natural Gas : 72.8%
Residual Fuel Oil : 17.4%
Distillate Fuel Oil : 6.4%
Kerosene : 3.3%
|
| Wilkins Station | Town of Marblehead - (MA) | Marblehead, MA | 94 MWh | Oct 1975 | Dec 2024 |
Distillate Fuel Oil
|
| Millstone | Dominion Energy Nuclear Conn Inc | Waterford, CT | 16 TWh | Nov 1975 | Sep 2025 |
Nuclear
|
| Somerset Plant | Sappi Fine Paper North America-Somerset | Skowhegan, ME | 573 GWh | Dec 1975 | Sep 2025 |
Black Liquor : 46.2%
Wood/Wood Waste Solids : 38.4%
Natural Gas : 6.9%
Tire-derived Fuels : 5.1%
Residual Fuel Oil : 2.5%
Sludge Waste : 0.8%
|
| Front Street | City of Chicopee - (MA) | Chicopee, MA | 497 MWh | Dec 1977 | Dec 2024 |
Distillate Fuel Oil
|
| Hampton Facility | Foss Manufacturing Company LLC | Hampton, NH | 24 GWh | Sep 1978 | Sep 2025 |
Natural Gas
|
| M Street Jet | Massachusetts Bay Trans Auth | Boston, MA | 457 MWh | Apr 1979 | Dec 2024 |
Kerosene
|
| Middlebury College | Middlebury College Biomass | Middlebury, VT | 2 GWh | Dec 1979 | Sep 2025 |
Wood/Wood Waste Solids : 62.2%
Natural Gas : 37.8%
|
| Medical Area Total Energy Plant | MATEP LLC | Boston, MA | 318 GWh | Dec 1979 | Dec 2024 |
Natural Gas : 98.3%
Distillate Fuel Oil : 1.7%
|
| Blackstone/Tupperware | Blackstone Hydro Inc. | North Smithfield, RI | 2 GWh | Dec 1980 | Sep 2025 |
Water
|
| Robbins Lumber | Robbins Lumber Inc | Searsmont, ME | 97 MWh | Dec 1980 | Dec 2023 |
Distillate Fuel Oil
|
| Thundermist Hydro | City of Woonsocket | Providence, RI | 90 MWh | May 1981 | Dec 2024 |
Water
|
| Lawrence Hydroelectric Associates | Central Rivers Power US, LLC | Lawrence, MA | 65 GWh | Jun 1981 | Dec 2024 |
Water
|
| China Mill Hydro | New Hampshire Hydro Associates | Allenstown, NH | 3 GWh | Jun 1981 | Dec 2024 |
Water
|
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | 125 GWh | Oct 1981 | Sep 2025 |
Natural Gas : 74.6%
Distillate Fuel Oil : 25.4%
|
| International Paper Riley Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | 18 GWh | Nov 1981 | Dec 2024 |
Water
|
| Texon Hydroelectric Project | Hitchcock Hydro, LLC | Russell, MA | 4 GWh | Dec 1981 | Dec 2024 |
Water
|
| Brunswick Hydro | Brookfield White Pine Hydro LLC | Brunswick, ME | 88 GWh | Feb 1982 | Dec 2024 |
Water
|
| Stevens Mills Dam | Eagle Creek Renewable Energy, LLC | Franklin, NH | 6 GWh | May 1982 | Dec 2024 |
Water
|
| Smith (VT) | Green Mountain Power Corp | Bradford, VT | 2 GWh | Nov 1982 | Dec 2024 |
Water
|
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | 978 MWh | Mar 1983 | Dec 2024 |
Water
|
| W K Sanders | Village of Morrisville - (VT) | Hyde Park, VT | 548 MWh | Jun 1983 | Dec 2024 |
Water
|
| Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | 17 GWh | Jul 1983 | Dec 2024 |
Water
|
| Newfound Hydroelectric | Eagle Creek Renewable Energy, LLC | Bristol, NH | 4 GWh | Nov 1983 | Dec 2024 |
Water
|
| J C McNeil | City of Burlington Electric - (VT) | Burlington, VT | 228 GWh | May 1984 | Sep 2025 |
Wood/Wood Waste Solids : 99.9%
|
| Boltonville Hydro Associates | Boltonville Hydro Associates | Boltonville, VT | 3 GWh | Jun 1984 | Dec 2024 |
Water
|
| Clement Dam Hydro LLC | Eagle Creek Renewable Energy, LLC | Tilton, NH | 9 GWh | Nov 1984 | Dec 2024 |
Water
|
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | 3 GWh | Nov 1984 | Dec 2024 |
Water
|
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | 28 GWh | Dec 1984 | Sep 2025 |
Water
|
| Collins Facility | Relevate Power Management LLC | Wilbraham, MA | 7 GWh | Feb 1985 | Dec 2023 |
Water
|
| Indian Orchard Plant 1 | Solutia Inc-Indian | Springfield, MA | 137 MWh | Apr 1985 | Aug 2025 |
Natural Gas
|
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | 233 GWh | Apr 1985 | Sep 2025 |
Non-biogenic Municipal Solid Waste : 55.0%
Biogenic Municipal Solid Waste : 45.0%
|
| Wellesley College Central Utility Plant | Wellesley College | Wellesley, MA | 889 MWh | May 1985 | Dec 2024 |
Natural Gas
|
| EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | 3 GWh | Jun 1985 | Jul 2024 |
Water
|
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | 4 GWh | Jun 1985 | Dec 2024 |
Water
|
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | 3 GWh | Jun 1985 | Jun 2024 |
Water
|
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | 226 GWh | Jul 1985 | Sep 2025 |
Non-biogenic Municipal Solid Waste : 55.0%
Biogenic Municipal Solid Waste : 45.0%
|
| Wrightsville Hydro Plant | Washington Electric Coop - (VT) | Montpelier, VT | 2 GWh | Aug 1985 | Nov 2024 |
Water
|
| Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | 14 GWh | Sep 1985 | Dec 2024 |
Water
|
| Boott Hydropower | Boott Hydro, LLC - Hybrid | Lowell, MA | 28 GWh | Sep 1985 | Dec 2024 |
Water
|
| Mine Falls Generating Station | City of Nashua, NH | Nashua, NH | 13 GWh | Nov 1985 | Dec 2024 |
Water
|
| Gregg Falls | Eagle Creek Renewable Energy, LLC | Goffstown, NH | 9 GWh | Nov 1985 | Dec 2024 |
Water
|
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | 7 GWh | Nov 1985 | Dec 2024 |
Water
|
| Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | 9 GWh | Mar 1986 | Dec 2024 |
Water
|
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | 4 GWh | Mar 1986 | Dec 2024 |
Water
|
| Mechanic Falls | KEI (Maine) Power Management (IV) LLC | Mechanic Falls, ME | 2 GWh | Mar 1986 | Dec 2024 |
Water
|
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | 3 GWh | Jun 1986 | Dec 2024 |
Water
|
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | 3 GWh | Jun 1986 | Dec 2024 |
Water
|
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | 2 GWh | Sep 1986 | Dec 2024 |
Water
|
| Errol Hydroelectric Project | Errol Hydroelectric Co LLC | Errol, NH | 15 GWh | Oct 1986 | Dec 2024 |
Water
|
