Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Easthampton Landfill-City of Easthampton | CleanCapital Holdings | Easthampton, MA | ISO New England (ISNE) | 2.8 GWh | May 2012 | Dec 2023 | Solar |
| CES Sterling LLC | SunEdison LLC | Sterling, MA | ISO New England (ISNE) | 3.1 GWh | Jan 2013 | Dec 2023 | Solar |
| Wesleyan University Cogen 1 | Wesleyan University | Middletown, CT | ISO New England (ISNE) | 10.5 GWh | Jan 2009 | Dec 2023 | Natural Gas |
| Mass Midstate Solar 3 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 6.2 GWh | Apr 2014 | Dec 2023 | Solar |
| Mass Midstate Solar 2 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.0 GWh | Apr 2014 | Dec 2023 | Solar |
| Granite Reliable Power | NexteraEnergy | Dummer, NH | ISO New England (ISNE) | 197.9 GWh | Jan 2012 | Mar 2025 | Wind |
| Town of Norfolk MA at Medway Branch | Luminace Solar Massachusetts, LLC | Norfolk, MA | ISO New England (ISNE) | 1.9 GWh | May 2012 | Dec 2023 | Solar |
| Block Island Wind Farm | Deepwater Wind Block Island LLC | NA, RI | ISO New England (ISNE) | 87.8 GWh | Nov 2016 | Mar 2025 | Wind |
| Mass Midstate Solar 1 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.3 GWh | Apr 2014 | Dec 2023 | Solar |
| Smith College Central Heating Plant | The Trustees of Smith College | Northampton, MA | ISO New England (ISNE) | 15.1 GWh | Sep 2008 | Dec 2023 | Natural Gas |
| Hancock Wind Plant | Onward Energy | T22 MD, ME | ISO New England (ISNE) | 118.4 GWh | Nov 2016 | Mar 2025 | Wind |
| Millbury Solar | Evergreen Wind, LLC | Millbury, MA | ISO New England (ISNE) | 4.6 GWh | Mar 2014 | Dec 2023 | Solar |
| Padelford Solar | Consolidated Edison Solutions Inc. | Berkley, MA | ISO New England (ISNE) | 3.3 GWh | Nov 2012 | Dec 2023 | Solar |
| Spruce Mountain WInd | CPV Spruce Mountain Wind LLC | Bryant Pond, ME | ISO New England (ISNE) | 52.9 GWh | Nov 2011 | Dec 2023 | Wind |
| Quittacas Pond Solar | Consolidated Edison Solutions Inc. | Rochester, MA | ISO New England (ISNE) | 5.5 GWh | Nov 2013 | Dec 2023 | Solar |
| Leicester One MA Solar LLC | CVI CleanCapital Solar 1 LLC | Leicester, MA | ISO New England (ISNE) | 5.1 GWh | Dec 2014 | Dec 2023 | Solar |
| Newington | Essential Power Operating Services, LLC | Newington, NH | ISO New England (ISNE) | 1.6 TWh | Sep 2002 | Mar 2025 | Natural Gas : 95.2% Distillate Fuel Oil : 4.8% |
| Fitchburg Gas Recovery | WM Renewable Energy LLC | Westminster, MA | ISO New England (ISNE) | 30.7 GWh | Sep 2007 | Dec 2023 | Landfill Gas |
| Fore River Generating Station | Calpine Fore River Energy Center, LLC | North Weymouth, MA | ISO New England (ISNE) | 3.4 TWh | Jul 2003 | Mar 2025 | Natural Gas : 95.4% Distillate Fuel Oil : 4.6% |
| Waterbury Generation | Engie North America | Waterbury, CT | ISO New England (ISNE) | 40.1 GWh | May 2009 | Dec 2023 | Natural Gas : 99.7% |
| Quinebaug Lower Project | Quinebaug Associates LLC | Brooklyn, CT | ISO New England (ISNE) | 10.1 GWh | Mar 1990 | Dec 2023 | Water |
| Westbrook Energy Center Power Plant | Westbrook Energy Center | Westbrook, ME | ISO New England (ISNE) | 3.0 TWh | Apr 2001 | Mar 2025 | Natural Gas |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 27.5 GWh | Dec 1922 | Dec 2023 | Water |
| Granite Ridge | Granite Ridge Energy LLC | Londonderry, NH | ISO New England (ISNE) | 2.8 TWh | Feb 2003 | Mar 2025 | Natural Gas |
| Ameresco Chicopee Energy | AMERESCO Chicopee Energy LLC | Chicopee, MA | ISO New England (ISNE) | 14.1 GWh | Jan 2004 | Dec 2023 | Landfill Gas |
| ANP Bellingham Energy Project | Bellingham Power Generation LLC | Bellingham, MA | ISO New England (ISNE) | 2.9 TWh | Oct 2002 | Mar 2025 | Natural Gas |
| ANP Blackstone Energy Project | ANP Blackstone Energy Company LLC | Blackstone, MA | ISO New England (ISNE) | 2.1 TWh | May 2001 | Mar 2025 | Natural Gas |
| Wallingford Energy | Wallingford Energy LLC | Wallingford, CT | ISO New England (ISNE) | 161.3 GWh | Jul 2001 | Dec 2023 | Natural Gas |
| CPV Towantic Energy Center | CPV Towantic, LLC | Oxford, CT | ISO New England (ISNE) | 5.6 TWh | Apr 2018 | Mar 2025 | Natural Gas |
| Lempster Wind LLC | Avangrid Renewables LLC | Lempster, NH | ISO New England (ISNE) | 65.1 GWh | Nov 2008 | Mar 2025 | Wind |
| Waterside Power, LLC | Waterside Power, LLC | Stamford, CT | ISO New England (ISNE) | 1.8 GWh | May 2003 | Dec 2023 | Distillate Fuel Oil |
| Lake Road Generating Plant | Lake Road Generating Co LP | Dayville, CT | ISO New England (ISNE) | 5.8 TWh | Feb 2002 | Mar 2025 | Natural Gas |
| Turnkey Landfill Gas Recovery | WM Renewable Energy LLC | Rochester, NH | ISO New England (ISNE) | 44.8 GWh | Jan 1992 | Dec 2023 | Landfill Gas |
| Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | ISO New England (ISNE) | 12.9 GWh | Mar 1986 | Dec 2023 | Water |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 238.8 GWh | Apr 1985 | Mar 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Ocean State Power II | Ocean State Power II | Harrisville, RI | ISO New England (ISNE) | 1.1 TWh | Sep 1991 | Dec 2023 | Natural Gas : 99.7% |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 3.5 GWh | Nov 1988 | Dec 2023 | Water |
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 4.3 GWh | Nov 1984 | Dec 2023 | Water |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 4.0 GWh | Sep 1986 | Dec 2023 | Water |
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | ISO New England (ISNE) | 168.0 GWh | Dec 1913 | Dec 2023 | Water |
| Dartmouth College Heating Plant | Dartmouth College | Hanover, NH | ISO New England (ISNE) | 10.3 GWh | Dec 1969 | Mar 2025 | Residual Fuel Oil |
| EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | ISO New England (ISNE) | 4.0 GWh | Jun 1985 | Dec 2023 | Water |
| Pratt & Whitney | United Technologies | East Hartford, CT | ISO New England (ISNE) | 91.7 GWh | Dec 1991 | Mar 2025 | Natural Gas |
| Chace Mill Winooski One | City of Burlington Electric - (VT) | Winooski, VT | ISO New England (ISNE) | 36.3 GWh | Mar 1993 | Dec 2023 | Water |
| NE Renewable Fitchburg, LLC | NE Renewable Fitchburg, LLC | Westminster, MA | ISO New England (ISNE) | 36.4 GWh | Jul 1992 | Dec 2023 | Wood/Wood Waste Solids : 97.6% Natural Gas : 2.4% |
| Wheelabrator Lisbon | Wheelabrator Environmental Systems | Lisbon, CT | ISO New England (ISNE) | 98.6 GWh | Sep 1995 | Mar 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | ISO New England (ISNE) | 22.6 GWh | Jul 1983 | Dec 2023 | Water |
| Ridgewood Providence Power | Rhode Island LFG Genco | Johnston, RI | ISO New England (ISNE) | 10.2 GWh | Jul 2005 | Dec 2023 | Landfill Gas |
| Maine Independence Station | Casco Bay Energy Co LLC | Veazie, ME | ISO New England (ISNE) | 936.9 GWh | Apr 2000 | Dec 2023 | Natural Gas |
| Gregg Falls | Eagle Creek Renewable Energy, LLC | Goffstown, NH | ISO New England (ISNE) | 13.7 GWh | Nov 1985 | Dec 2023 | Water |
| Somerset Plant | Sappi Fine Paper North America-Somerset | Skowhegan, ME | ISO New England (ISNE) | 533.7 GWh | Dec 1975 | Mar 2025 | Black Liquor : 46.9% Wood/Wood Waste Solids : 36.7% Tire-derived Fuels : 6.3% Natural Gas : 6.3% Residual Fuel Oil : 2.7% Sludge Waste : 1.0% |
| Penacook Upper Falls Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 17.1 GWh | Nov 1986 | Dec 2023 | Water |
| S D Warren Westbrook | Elevate Power Management LLC | Westbrook, ME | ISO New England (ISNE) | 32.7 GWh | Dec 1902 | Dec 2023 | Water |
| Tiverton Power Plant | Tiverton Power LLC | Tiverton, RI | ISO New England (ISNE) | 1.7 TWh | Feb 2000 | Dec 2023 | Natural Gas |
| Bridgeport Energy Project | Bridgeport Energy LLC | Bridgeport, CT | ISO New England (ISNE) | 2.8 TWh | May 1998 | Mar 2025 | Natural Gas |
| Berkshire Power | Berkshire Power Co LLC | Agawam, MA | ISO New England (ISNE) | 70.1 GWh | Aug 1999 | Dec 2023 | Natural Gas |
| Rolfe Canal Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 27.8 GWh | Nov 1987 | Dec 2023 | Water |
| Lawrence Hydroelectric Associates | Central Rivers Power US, LLC | Lawrence, MA | ISO New England (ISNE) | 94.2 GWh | Jun 1981 | Dec 2023 | Water |
| Androscoggin Energy Center | JGT2 Energy LLC | Jay, ME | ISO New England (ISNE) | 82.0 GWh | Sep 1999 | Dec 2023 | Natural Gas : 96.1% Distillate Fuel Oil : 3.9% |
| New Milford Gas Recovery | WM Renewable Energy LLC | New Milford, CT | ISO New England (ISNE) | 5.4 GWh | Apr 2008 | Dec 2023 | Landfill Gas |
| Central Power Plant | State of Rhode Island | Cranston, RI | ISO New England (ISNE) | 19.2 GWh | Jul 1958 | Mar 2025 | Natural Gas |
| Dighton Power Plant | Dighton Power, LLC | Dighton, MA | ISO New England (ISNE) | 358.4 GWh | Apr 1999 | Dec 2023 | Natural Gas |
| Covanta Bristol Energy | Covanta Bristol Inc | Bristol, CT | ISO New England (ISNE) | 108.5 GWh | Nov 1987 | Mar 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| ReEnergy Stratton LLC | ReEnergy Stratton LLC | Stratton, ME | ISO New England (ISNE) | 177.1 GWh | Oct 1989 | Dec 2023 | Wood/Wood Waste Solids |
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | ISO New England (ISNE) | 298.4 GWh | Apr 1989 | Mar 2025 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8% |
| Nashua Plant | EPP Renewable Energy | Nashua, NH | ISO New England (ISNE) | 13.8 GWh | Mar 1996 | Dec 2023 | Landfill Gas |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 6.7 GWh | Jun 1985 | Dec 2023 | Water |
| Regional Waste Systems | Ecomaine | Portland, ME | ISO New England (ISNE) | 82.2 GWh | May 1988 | Mar 2025 | Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.8% |
| International Paper Riley Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 5.9 GWh | Nov 1981 | Dec 2023 | Water |
| International Paper Livermore Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 10.2 GWh | Dec 1909 | Dec 2023 | Water |
| Univ of Massachusetts Medical Center | University of Massachusetts Medical | Worcester, MA | ISO New England (ISNE) | 68.1 GWh | Mar 1974 | Dec 2023 | Natural Gas : 97.4% Residual Fuel Oil : 2.4% |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 31.8 GWh | Dec 1984 | Mar 2025 | Water |
| China Mill Hydro | New Hampshire Hydro Associates | Allenstown, NH | ISO New England (ISNE) | 4.0 GWh | Jun 1981 | Dec 2023 | Water |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 3.5 GWh | Mar 1983 | Dec 2023 | Water |
| Milford Power Project | Milford Power Co LLC | Milford, CT | ISO New England (ISNE) | 3.8 TWh | Jan 2004 | Mar 2025 | Natural Gas |
| International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 6.2 GWh | Dec 1912 | Dec 2023 | Water |
| Blackstone/Tupperware | Blackstone Hydro Inc. | North Smithfield, RI | ISO New England (ISNE) | 2.6 GWh | Dec 1980 | Mar 2025 | Water |
| Rhode Island State Energy Center | RISEC Operating Services | Johnston, RI | ISO New England (ISNE) | 3.4 TWh | Sep 2002 | Mar 2025 | Natural Gas |
| Boltonville Hydro Associates | Boltonville Hydro Associates | Boltonville, VT | ISO New England (ISNE) | 3.4 GWh | Jun 1984 | Dec 2023 | Water |
| Rumford Power LLC | Rumford Power | Rumford, ME | ISO New England (ISNE) | 403.4 GWh | Jun 2000 | Dec 2023 | Natural Gas |
| Robbins Lumber | Robbins Lumber Inc | Searsmont, ME | ISO New England (ISNE) | 97.0 MWh | Dec 1980 | Dec 2023 | Distillate Fuel Oil |
| Bucksport Generation LLC | Bucksport Generation LLC | Bucksport, ME | ISO New England (ISNE) | 14.1 GWh | Jun 1965 | Mar 2025 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Worumbo Hydro Station | Eagle Creek Renewable Energy, LLC | Lisbon Falls, ME | ISO New England (ISNE) | 104.8 GWh | Jan 1989 | Dec 2023 | Water |
| MM Taunton Energy | MM Taunton Energy LLC | Taunton, MA | ISO New England (ISNE) | 8.1 GWh | Aug 1997 | Dec 2023 | Landfill Gas |
| Lower Village Water Power Project | Sugar River Power LLC | Claremont, NH | ISO New England (ISNE) | 6.4 GWh | Apr 1995 | Dec 2023 | Water |
| SEMASS Resource Recovery | SEMASS Partnership | West Wareham, MA | ISO New England (ISNE) | 568.9 GWh | Jun 1988 | Mar 2025 | Non-biogenic Municipal Solid Waste : 54.1% Biogenic Municipal Solid Waste : 44.3% Natural Gas : 1.5% |
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | ISO New England (ISNE) | 15.4 GWh | Nov 1985 | Dec 2023 | Water |
| Newfound Hydroelectric | Eagle Creek Renewable Energy, LLC | Bristol, NH | ISO New England (ISNE) | 8.1 GWh | Nov 1983 | Dec 2023 | Water |
| Millennium Power | Millennium Power Company, LLC | Charlton, MA | ISO New England (ISNE) | 464.7 GWh | Mar 2001 | Mar 2025 | Natural Gas |
| Milford Power LP | Milford Power LLC | Milford, MA | ISO New England (ISNE) | 210.3 GWh | Feb 1993 | Dec 2023 | Natural Gas |
| Wheelabrator Millbury Facility | Wheelabrator Environmental Systems | Millbury, MA | ISO New England (ISNE) | 322.8 GWh | Aug 1987 | Mar 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | ISO New England (ISNE) | 231.4 GWh | Jul 1985 | Mar 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Bridgeport | Wheelabrator Environmental Systems | Bridgeport, CT | ISO New England (ISNE) | 460.4 GWh | Jun 1988 | Mar 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Rousselot Inc | Rousselot Inc | Peabody, MA | ISO New England (ISNE) | 15.0 GWh | Apr 1947 | Nov 2023 | Natural Gas |
| Aziscohos Hydroelectric Project | Brookfield White Pine Hydro LLC | Wilson Mills, ME | ISO New England (ISNE) | 38.7 GWh | May 1988 | Dec 2023 | Water |
| Ryegate Associates, LLC | Ryegate Associates, LLC | East Ryegate, VT | ISO New England (ISNE) | 160.8 GWh | Aug 1992 | Dec 2023 | Wood/Wood Waste Solids |
| Rhode Island Hospital | Rhode Island Hospital | Providence, RI | ISO New England (ISNE) | 9.3 GWh | Sep 1974 | Mar 2025 | Natural Gas : 89.5% Residual Fuel Oil : 10.5% |
| Dartmouth Power Associates LP | Morris Energy Operations Company, LLC | Dartmouth, MA | ISO New England (ISNE) | 34.8 GWh | Feb 1992 | Dec 2023 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Moretown Generating Station | Moretown Hydroelectric LLC | Moretown, VT | ISO New England (ISNE) | 2.6 GWh | Dec 1988 | Dec 2023 | Water |
| Hartford Hospital Cogeneration | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 43.8 GWh | Jun 1988 | Dec 2023 | Natural Gas : 99.8% |
Summary of Power Plants By State
Figures are based on March 2025 generation numbers.| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,399.45 GWh |
| Alaska | # 48 | 137 | 460.30 GWh |
| Arizona | # 16 | 167 | 7,756.35 GWh |
| Arkansas | # 29 | 79 | 4,503.48 GWh |
| California | # 5 | 1,565 | 15,306.94 GWh |
| Colorado | # 30 | 257 | 4,337.74 GWh |
| Connecticut | # 31 | 152 | 3,831.37 GWh |
| Delaware | # 50 | 30 | 183.34 GWh |
| District of Columbia | # 51 | 12 | 15.27 GWh |
| Florida | # 3 | 305 | 18,686.61 GWh |
| Georgia | # 9 | 239 | 9,979.52 GWh |
| Hawaii | # 46 | 67 | 749.10 GWh |
| Idaho | # 43 | 126 | 1,488.21 GWh |
| Illinois | # 4 | 332 | 15,592.21 GWh |
| Indiana | # 12 | 201 | 8,849.97 GWh |
| Iowa | # 20 | 279 | 6,323.45 GWh |
| Kansas | # 25 | 157 | 5,176.23 GWh |
| Kentucky | # 24 | 56 | 5,180.56 GWh |
| Louisiana | # 18 | 81 | 6,708.43 GWh |
| Maine | # 45 | 157 | 1,313.29 GWh |
| Maryland | # 39 | 179 | 2,427.73 GWh |
| Massachusetts | # 42 | 597 | 1,608.56 GWh |
| Michigan | # 10 | 263 | 9,898.87 GWh |
| Minnesota | # 26 | 736 | 5,082.27 GWh |
| Mississippi | # 19 | 53 | 6,374.07 GWh |
| Missouri | # 21 | 116 | 5,776.95 GWh |
| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 67 | 2,309.70 GWh |
| Nebraska | # 37 | 117 | 3,008.88 GWh |
| Nevada | # 34 | 109 | 3,381.98 GWh |
| New Hampshire | # 44 | 56 | 1,374.49 GWh |
| New Jersey | # 28 | 371 | 4,514.07 GWh |
| New Mexico | # 35 | 138 | 3,378.20 GWh |
| New York | # 8 | 818 | 10,278.94 GWh |
| North Carolina | # 11 | 877 | 9,080.20 GWh |
| North Dakota | # 33 | 57 | 3,690.67 GWh |
| Ohio | # 6 | 190 | 11,252.37 GWh |
| Oklahoma | # 17 | 129 | 6,972.70 GWh |
| Oregon | # 22 | 254 | 5,543.74 GWh |
| Pennsylvania | # 2 | 237 | 19,658.43 GWh |
| Rhode Island | # 47 | 94 | 622.24 GWh |
| South Carolina | # 14 | 194 | 8,606.12 GWh |
| South Dakota | # 41 | 52 | 1,945.10 GWh |
| Tennessee | # 23 | 85 | 5,241.09 GWh |
| Texas | # 1 | 818 | 43,194.33 GWh |
| Utah | # 36 | 114 | 3,056.84 GWh |
| Vermont | # 49 | 112 | 230.44 GWh |
| Virginia | # 15 | 214 | 8,465.83 GWh |
| Washington | # 13 | 127 | 8,662.62 GWh |
| West Virginia | # 38 | 36 | 2,977.95 GWh |
| Wisconsin | # 27 | 222 | 4,571.79 GWh |
| Wyoming | # 32 | 69 | 3,817.24 GWh |