Directory of Power Plants in the United States
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 28.8 GWh | Dec 1984 | Jul 2025 | Water |
International Paper Riley Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 17.7 GWh | Nov 1981 | Dec 2024 | Water |
International Paper Livermore Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 17.3 GWh | Dec 1909 | Dec 2024 | Water |
Bucksport Generation LLC | Bucksport Generation LLC | Bucksport, ME | ISO New England (ISNE) | 12.1 GWh | Jun 1965 | Jul 2025 | Natural Gas : 95.7% Distillate Fuel Oil : 4.3% |
Univ of Massachusetts Medical Center | University of Massachusetts Medical | Worcester, MA | ISO New England (ISNE) | 68.7 GWh | Mar 1974 | Dec 2024 | Natural Gas : 99.2% Distillate Fuel Oil : 0.7% |
ReEnergy Livermore Falls | ReEnergy Livermore Falls | Livermore Falls, ME | ISO New England (ISNE) | 266.8 GWh | Jul 1992 | Dec 2024 | Wood/Wood Waste Solids |
Rhode Island Hospital | Rhode Island Hospital | Providence, RI | ISO New England (ISNE) | 9.4 GWh | Sep 1974 | Apr 2025 | Natural Gas : 89.3% Residual Fuel Oil : 10.7% |
Robbins Lumber | Robbins Lumber Inc | Searsmont, ME | ISO New England (ISNE) | 97.0 MWh | Dec 1980 | Dec 2023 | Distillate Fuel Oil |
Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | ISO New England (ISNE) | 260.5 GWh | Dec 1917 | Dec 2024 | Water |
Moretown Generating Station | Moretown Hydroelectric LLC | Moretown, VT | ISO New England (ISNE) | 2.6 GWh | Dec 1988 | Dec 2023 | Water |
Regional Waste Systems | Ecomaine | Portland, ME | ISO New England (ISNE) | 89.8 GWh | May 1988 | Jul 2025 | Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8% |
Hartford Hospital Cogeneration | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 39.5 GWh | Jun 1988 | Dec 2024 | Natural Gas |
Bellingham Cogeneration Facility | Northeast Energy Associates LP | Bellingham, MA | ISO New England (ISNE) | 367.8 GWh | Aug 1991 | Dec 2024 | Natural Gas : 99.9% |
China Mill Hydro | New Hampshire Hydro Associates | Allenstown, NH | ISO New England (ISNE) | 2.8 GWh | Jun 1981 | Dec 2024 | Water |
Bridgewater Power LP | Bridgewater Power Co LP | Bridgewater, NH | ISO New England (ISNE) | 93.0 GWh | Jul 1987 | Dec 2024 | Wood/Wood Waste Solids : 99.5% |
Clement Dam Hydro LLC | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 8.9 GWh | Nov 1984 | Dec 2024 | Water |
Blackstone/Tupperware | Blackstone Hydro Inc. | North Smithfield, RI | ISO New England (ISNE) | 2.4 GWh | Dec 1980 | Jul 2025 | Water |
Collins Facility | Relevate Power Management LLC | Wilbraham, MA | ISO New England (ISNE) | 6.8 GWh | Feb 1985 | Dec 2023 | Water |
Upper Barker | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 4.7 GWh | Apr 1987 | Dec 2024 | Water |
West Enfield Hydro | Brookfield Black Bear Hydro, LLC | West Enfield, ME | ISO New England (ISNE) | 77.5 GWh | Mar 1988 | Dec 2024 | Water |
International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 5.4 GWh | Dec 1912 | Dec 2024 | Water |
Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 978.0 MWh | Mar 1983 | Dec 2024 | Water |
Sheldon Springs Hydroelectric | Central Rivers Power US, LLC | Sheldon Springs, VT | ISO New England (ISNE) | 67.8 GWh | Jun 1988 | Dec 2024 | Water |
Medical Area Total Energy Plant | MATEP LLC | Boston, MA | ISO New England (ISNE) | 318.1 GWh | Dec 1979 | Dec 2024 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
Newfound Hydroelectric | Eagle Creek Renewable Energy, LLC | Bristol, NH | ISO New England (ISNE) | 4.1 GWh | Nov 1983 | Dec 2024 | Water |
Clark University | Clark University | Worcester, MA | ISO New England (ISNE) | 4.4 GWh | Dec 2012 | Dec 2024 | Natural Gas |
Lower Village Water Power Project | Sugar River Power LLC | Claremont, NH | ISO New England (ISNE) | 3.9 GWh | Apr 1995 | Dec 2024 | Water |
Pittsfield Generating LP | Pittsfield Generating Company, LP | Pittsfield, MA | ISO New England (ISNE) | 103.2 GWh | Jun 1990 | Jul 2025 | Natural Gas : 98.4% Distillate Fuel Oil : 1.6% |
SEMASS Resource Recovery | SEMASS Partnership | West Wareham, MA | ISO New England (ISNE) | 573.5 GWh | Jun 1988 | Jul 2025 | Non-biogenic Municipal Solid Waste : 54.1% Biogenic Municipal Solid Waste : 44.3% Natural Gas : 1.6% |
MMWAC Resource Recovery Facility | Maine Waste to Energy | Auburn, ME | ISO New England (ISNE) | 10.0 GWh | May 1992 | Jul 2025 | Non-biogenic Municipal Solid Waste : 53.9% Biogenic Municipal Solid Waste : 44.1% Natural Gas : 1.9% |
Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | ISO New England (ISNE) | 7.4 GWh | Nov 1985 | Dec 2024 | Water |
Rolfe Canal Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 17.3 GWh | Nov 1987 | Dec 2024 | Water |
Ridgewood Providence Power | Rhode Island LFG Genco | Johnston, RI | ISO New England (ISNE) | 1.5 GWh | Jul 2005 | Dec 2024 | Landfill Gas |
Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | ISO New England (ISNE) | 16.6 GWh | Jul 1983 | Dec 2024 | Water |
Norwich WWTP | City of Norwich - (CT) | Norwich, CT | ISO New England (ISNE) | 1.0 MWh | Apr 2006 | Mar 2024 | Distillate Fuel Oil |
Dartmouth II Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 3.4 GWh | May 2012 | Dec 2024 | Solar |
Ipswich Wind Turbine | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 1.5 GWh | Apr 2011 | Dec 2024 | Wind |
Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | ISO New England (ISNE) | 37.6 GWh | Apr 2011 | Jul 2025 | Wind |
Foxwoods CoGen | Foxwoods Resort Casino | Mashantucket, CT | ISO New England (ISNE) | 10.8 GWh | May 2010 | Dec 2024 | Natural Gas |
Water Treatment 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 414.0 MWh | Sep 2010 | Jul 2025 | Distillate Fuel Oil |
Middlebury College | Middlebury College Biomass | Middlebury, VT | ISO New England (ISNE) | 2.0 GWh | Dec 1979 | Jul 2025 | Wood/Wood Waste Solids : 67.2% Natural Gas : 32.8% |
Lebanon Pines 1 & 2 | Connecticut Mun Elec Engy Coop | Lebanon, CT | ISO New England (ISNE) | 471.0 MWh | Mar 2010 | Dec 2024 | Distillate Fuel Oil |
Indian Orchard PV Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2011 | Dec 2024 | Solar |
Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 805.0 MWh | Nov 2010 | Dec 2024 | Solar |
LNG 1 & 2 | Connecticut Mun Elec Engy Coop | Norwich, CT | ISO New England (ISNE) | 494.0 MWh | Mar 2010 | Dec 2024 | Distillate Fuel Oil |
Jewett City 1 | Connecticut Mun Elec Engy Coop | Jewett City, CT | ISO New England (ISNE) | 205.0 MWh | Jan 2010 | Dec 2024 | Distillate Fuel Oil |
Gary Court 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 422.0 MWh | Jun 2010 | Dec 2024 | Distillate Fuel Oil |
GenConn Devon LLC | GenConn Devon LLC | Milford, CT | ISO New England (ISNE) | 4.3 GWh | May 2010 | Dec 2024 | Kerosene : 90.3% Natural Gas : 9.7% |
Holyoke Solar Cooperative at Mueller | Holyoke Solar LLC | Holyoke, MA | ISO New England (ISNE) | 3.8 GWh | Nov 2011 | Dec 2024 | Solar |
Douglas Solar | Consolidated Edison Development Inc. | Douglas, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2012 | Dec 2024 | Solar |
Town of Uxbridge MA at Commerce Dr | Luminace Solar Net Metering, LLC | Uxbridge, MA | ISO New England (ISNE) | 2.7 GWh | May 2012 | Dec 2024 | Solar |
Town of Norfolk MA at Medway Branch | Luminace Solar Massachusetts, LLC | Norfolk, MA | ISO New England (ISNE) | 1.9 GWh | May 2012 | Dec 2024 | Solar |
Chittenden County Solar Partners | Chittenden County Solar Partners LLC | South Burlington, VT | ISO New England (ISNE) | 2.9 GWh | Apr 2011 | Dec 2024 | Solar |
Dartmouth Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 2.0 GWh | Feb 2011 | Dec 2024 | Solar |
Beaver Ridge Wind | CPV Beaver Ridge Wind LLC | Freedom, ME | ISO New England (ISNE) | 10.4 GWh | Oct 2008 | Dec 2024 | Wind |
Notus Wind 1 | Notus Clean Energy LLC | E. Falmouth, MA | ISO New England (ISNE) | 4.3 GWh | Jun 2010 | Dec 2024 | Wind |
New England Wind LLC | Avangrid Power LLC | Florida, MA | ISO New England (ISNE) | 76.3 GWh | Nov 2012 | Jul 2025 | Wind |
Fox Island Wind LLC | Fox Island Wind LLC | Vinalhaven, ME | ISO New England (ISNE) | 7.6 GWh | Oct 2009 | Dec 2024 | Wind |
GenConn Middletown LLC | GenConn Middletown LLC | Middletown, CT | ISO New England (ISNE) | 5.9 GWh | May 2011 | Dec 2024 | Kerosene : 57.4% Natural Gas : 42.6% |
Fort Hill 1, 2, 3 & 4 | Connecticut Mun Elec Engy Coop | Uncasville, CT | ISO New England (ISNE) | 594.0 MWh | Jul 2010 | Jul 2025 | Distillate Fuel Oil |
Kingdom Community Wind | Green Mountain Power Corp | Lowell, VT | ISO New England (ISNE) | 186.4 GWh | Oct 2012 | Jul 2025 | Wind |
Sheffield Wind | Evergreen Wind, LLC | Sheffield, VT | ISO New England (ISNE) | 76.3 GWh | Sep 2011 | Jul 2025 | Wind |
NEDC Solar Site | Massachusetts Electric Co | Whitinsville, MA | ISO New England (ISNE) | 979.0 MWh | May 2010 | Dec 2024 | Solar |
Haverhill Solar Power Project | Massachusetts Electric Co | Haverhill, MA | ISO New England (ISNE) | 1.2 GWh | Nov 2010 | Dec 2024 | Solar |
Dorchester Solar Site | Massachusetts Electric Co | Dorchester, MA | ISO New England (ISNE) | 1.5 GWh | Dec 2011 | Dec 2024 | Solar |
MA Military Reservation Wind Project | Air Force Civil Engineer Center | Otis ANG Base Bourne, MA | ISO New England (ISNE) | 9.7 GWh | Nov 2009 | Dec 2024 | Wind |
HSCo CHP | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 27.3 GWh | Sep 2009 | Dec 2024 | Natural Gas |
Groveland Solar | Consolidated Edison Development Inc. | Groveland, MA | ISO New England (ISNE) | 4.5 GWh | Nov 2012 | Dec 2024 | Solar |
Shrewsbury Solar | Consolidated Edison Development Inc. | Shrewsbury, MA | ISO New England (ISNE) | 4.0 GWh | Sep 2012 | Dec 2024 | Solar |
Orono Hydro Station | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 5.8 GWh | Dec 2008 | Dec 2024 | Water |
Boston Scientific Solar | Consolidated Edison Solutions Inc. | Quincy, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2012 | Dec 2024 | Solar |
Fishers Island 1 | Connecticut Mun Elec Engy Coop | Fisher's Island, NY | ISO New England (ISNE) | 151.0 MWh | Nov 2010 | Dec 2024 | Distillate Fuel Oil |
Bridge Street 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 458.0 MWh | Jun 2010 | Dec 2024 | Distillate Fuel Oil |
Mt Wachusett Community College | Mt Wachusett Community College | Gardner, MA | ISO New England (ISNE) | 4.3 GWh | Feb 2011 | Jul 2025 | Wind |
Bull Hill Wind Project | Evergreen Wind, LLC | Eastbrook, ME | ISO New England (ISNE) | 74.0 GWh | Sep 2012 | Dec 2024 | Wind |
Bingham Wind | Onward Energy | Bingham, ME | ISO New England (ISNE) | 493.4 GWh | Nov 2016 | Jul 2025 | Wind |
Spruce Mountain WInd | CPV Spruce Mountain Wind LLC | Bryant Pond, ME | ISO New England (ISNE) | 53.8 GWh | Nov 2011 | Dec 2024 | Wind |
Granite Reliable Power | NexteraEnergy | Dummer, NH | ISO New England (ISNE) | 197.4 GWh | Jan 2012 | Jul 2025 | Wind |
Record Hill Wind | Record Hill Wind LLC | Roxbury, ME | ISO New England (ISNE) | 115.0 GWh | Dec 2011 | Dec 2024 | Wind |
Highgate Falls | Village of Swanton - (VT) | Highgate, VT | ISO New England (ISNE) | 46.6 GWh | Jul 1923 | Dec 2024 | Water |
Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | ISO New England (ISNE) | 13.6 GWh | Sep 1985 | Dec 2024 | Water |
Gorge 18 | Green Mountain Power Corp | South Burlington, VT | ISO New England (ISNE) | 16.7 GWh | Dec 1927 | Dec 2024 | Water |
New Haven Harbor | Generation Bridge II Connecticut, LLC | New Haven, CT | ISO New England (ISNE) | 88.3 GWh | Jun 1975 | Jul 2025 | Natural Gas : 70.7% Residual Fuel Oil : 20.2% Distillate Fuel Oil : 4.7% Kerosene : 4.4% |
Searsburg | Great River Hydro, LLC | Searsburg, VT | ISO New England (ISNE) | 15.4 GWh | Feb 1922 | Dec 2024 | Water |
Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 25.0 GWh | Jul 1912 | Dec 2024 | Water |
Sherman | Great River Hydro, LLC | Rowe, MA | ISO New England (ISNE) | 26.5 GWh | Nov 1926 | Dec 2024 | Water |
Wrightsville Hydro Plant | Washington Electric Coop - (VT) | Montpelier, VT | ISO New England (ISNE) | 1.7 GWh | Aug 1985 | Nov 2024 | Water |
Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | ISO New England (ISNE) | 114.6 GWh | Oct 1981 | Jul 2025 | Natural Gas : 67.4% Distillate Fuel Oil : 32.6% |
Waterbury 22 | Green Mountain Power Corp | Waterbury, VT | ISO New England (ISNE) | 15.2 GWh | May 1953 | Dec 2024 | Water |
Hillsborough Hosiery | Silverstreet Hydro | Hillsboro, NH | ISO New England (ISNE) | 2.1 GWh | Nov 1989 | Dec 2024 | Water |
Seabrook | NextEra Energy Seabrook LLC | Seabrook, NH | ISO New England (ISNE) | 9.7 TWh | Jul 1990 | Jul 2025 | Nuclear |
Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 53.3 GWh | Dec 1930 | Dec 2024 | Water |
Searsburg Wind Turbine | Green Mountain Power Corp | Searsburg, VT | ISO New England (ISNE) | 11.6 GWh | May 1997 | Jul 2025 | Wind |
General Electric Aircraft Engines | General Electric Aircraft Engines | Lynn, MA | ISO New England (ISNE) | 2.3 GWh | Dec 1947 | Jul 2025 | Solar |
Stevens Mills Dam | Eagle Creek Renewable Energy, LLC | Franklin, NH | ISO New England (ISNE) | 5.9 GWh | May 1982 | Dec 2024 | Water |
Vergennes 9 | Green Mountain Power Corp | Vergennes, VT | ISO New England (ISNE) | 8.0 GWh | Dec 1911 | Dec 2024 | Water |
Hampton Facility | Foss Manufacturing Company LLC | Hampton, NH | ISO New England (ISNE) | 23.4 GWh | Sep 1978 | Jul 2025 | Natural Gas |
Front Street | City of Chicopee - (MA) | Chicopee, MA | ISO New England (ISNE) | 497.0 MWh | Dec 1977 | Dec 2024 | Distillate Fuel Oil |
Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 20.2 GWh | Jul 1912 | Dec 2024 | Water |
Derby Hydro | McCallum Enterprises I LP | Shelton, CT | ISO New England (ISNE) | 23.9 GWh | Dec 1988 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on July 2025 generation numbers.State | Rank | Active Plants | Jul 2025 Generation |
---|---|---|---|
Alabama | # 10 | 75 | 14,023.76 GWh |
Alaska | # 49 | 142 | 647.77 GWh |
Arizona | # 11 | 181 | 12,590.97 GWh |
Arkansas | # 22 | 113 | 7,602.58 GWh |
California | # 4 | 1,715 | 20,766.98 GWh |
Colorado | # 30 | 296 | 5,541.43 GWh |
Connecticut | # 33 | 165 | 4,573.62 GWh |
Delaware | # 47 | 33 | 885.76 GWh |
District of Columbia | # 51 | 16 | 20.37 GWh |
Florida | # 2 | 320 | 27,897.12 GWh |
Georgia | # 7 | 252 | 15,314.09 GWh |
Hawaii | # 48 | 70 | 810.90 GWh |
Idaho | # 44 | 148 | 1,737.05 GWh |
Illinois | # 5 | 379 | 18,825.62 GWh |
Indiana | # 14 | 211 | 10,893.09 GWh |
Iowa | # 26 | 294 | 6,378.95 GWh |
Kansas | # 27 | 183 | 6,301.46 GWh |
Kentucky | # 21 | 58 | 8,006.89 GWh |
Louisiana | # 16 | 83 | 9,983.30 GWh |
Maine | # 45 | 216 | 1,335.16 GWh |
Maryland | # 34 | 202 | 4,229.96 GWh |
Massachusetts | # 40 | 645 | 2,723.08 GWh |
Michigan | # 12 | 274 | 12,387.95 GWh |
Minnesota | # 28 | 767 | 6,049.48 GWh |
Mississippi | # 20 | 56 | 8,258.46 GWh |
Missouri | # 24 | 123 | 7,206.37 GWh |
State | Rank | Active Plants | Jul 2025 Generation |
---|---|---|---|
Montana | # 41 | 70 | 2,462.99 GWh |
Nebraska | # 36 | 128 | 3,747.47 GWh |
Nevada | # 32 | 114 | 4,694.68 GWh |
New Hampshire | # 42 | 56 | 1,960.10 GWh |
New Jersey | # 23 | 396 | 7,310.84 GWh |
New Mexico | # 39 | 139 | 3,280.92 GWh |
New York | # 9 | 962 | 14,286.81 GWh |
North Carolina | # 8 | 912 | 14,638.35 GWh |
North Dakota | # 37 | 57 | 3,647.82 GWh |
Ohio | # 6 | 200 | 15,381.51 GWh |
Oklahoma | # 17 | 141 | 9,823.06 GWh |
Oregon | # 31 | 280 | 5,293.15 GWh |
Pennsylvania | # 3 | 255 | 25,049.90 GWh |
Rhode Island | # 46 | 100 | 1,130.00 GWh |
South Carolina | # 15 | 204 | 10,222.75 GWh |
South Dakota | # 43 | 52 | 1,793.26 GWh |
Tennessee | # 19 | 88 | 8,351.47 GWh |
Texas | # 1 | 916 | 57,614.14 GWh |
Utah | # 38 | 125 | 3,499.11 GWh |
Vermont | # 50 | 120 | 210.77 GWh |
Virginia | # 13 | 238 | 11,293.02 GWh |
Washington | # 18 | 136 | 8,919.89 GWh |
West Virginia | # 29 | 39 | 5,909.92 GWh |
Wisconsin | # 25 | 244 | 7,165.77 GWh |
Wyoming | # 35 | 73 | 4,219.58 GWh |