Directory of Power Plants in the United States
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
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% |
Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 4.3 GWh | Jun 1985 | Dec 2024 | Water |
Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | ISO New England (ISNE) | 3.2 GWh | Feb 1987 | Dec 2024 | Water |
Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | ISO New England (ISNE) | 48.6 GWh | Oct 1987 | Dec 2024 | Water |
Moretown Generating Station | Moretown Hydroelectric LLC | Moretown, VT | ISO New England (ISNE) | 2.6 GWh | Dec 1988 | Dec 2023 | Water |
Wheelabrator Lisbon | Wheelabrator Environmental Systems | Lisbon, CT | ISO New England (ISNE) | 102.1 GWh | Sep 1995 | Apr 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
Huntington Falls | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 22.9 GWh | Sep 1988 | Dec 2024 | Water |
Regional Waste Systems | Ecomaine | Portland, ME | ISO New England (ISNE) | 81.8 GWh | May 1988 | Apr 2025 | Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8% |
Ocean State Power II | Ocean State Power II | Harrisville, RI | ISO New England (ISNE) | 896.8 GWh | Sep 1991 | Dec 2024 | Natural Gas : 99.9% |
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) | 13.9 GWh | Jun 1965 | Apr 2025 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
Hartford Hospital Cogeneration | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 43.8 GWh | Jun 1988 | Dec 2023 | Natural Gas : 99.8% |
Worumbo Hydro Station | Eagle Creek Renewable Energy, LLC | Lisbon Falls, ME | ISO New England (ISNE) | 88.7 GWh | Jan 1989 | Dec 2024 | Water |
Lower Village Water Power Project | Sugar River Power LLC | Claremont, NH | ISO New England (ISNE) | 3.9 GWh | Apr 1995 | Dec 2024 | Water |
SEMASS Resource Recovery | SEMASS Partnership | West Wareham, MA | ISO New England (ISNE) | 564.6 GWh | Jun 1988 | Apr 2025 | Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.7% |
Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 3.3 GWh | Jun 1985 | Jun 2024 | Water |
Dartmouth Power Associates LP | Morris Energy Operations Company, LLC | Dartmouth, MA | ISO New England (ISNE) | 63.0 GWh | Feb 1992 | Dec 2024 | Natural Gas : 99.7% |
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% |
Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | ISO New England (ISNE) | 7.4 GWh | Nov 1985 | 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 |
EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | ISO New England (ISNE) | 2.7 GWh | Jun 1985 | Jul 2024 | Water |
Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | ISO New England (ISNE) | 16.6 GWh | Jul 1983 | Dec 2024 | Water |
Rolfe Canal Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 17.3 GWh | Nov 1987 | Dec 2024 | Water |
Aziscohos Hydroelectric Project | Brookfield White Pine Hydro LLC | Wilson Mills, ME | ISO New England (ISNE) | 36.3 GWh | May 1988 | Dec 2024 | Water |
Ryegate Associates, LLC | Ryegate Associates, LLC | East Ryegate, VT | ISO New England (ISNE) | 149.9 GWh | Aug 1992 | Dec 2024 | Wood/Wood Waste Solids |
Ocean State Power | Ocean State Power Co | Harrisville, RI | ISO New England (ISNE) | 1.2 TWh | Nov 1990 | Dec 2024 | Natural Gas : 99.9% |
Newfound Hydroelectric | Eagle Creek Renewable Energy, LLC | Bristol, NH | ISO New England (ISNE) | 4.1 GWh | Nov 1983 | Dec 2024 | Water |
Chace Mill Winooski One | City of Burlington Electric - (VT) | Winooski, VT | ISO New England (ISNE) | 29.5 GWh | Mar 1993 | Dec 2024 | Water |
Beaver Ridge Wind | CPV Beaver Ridge Wind LLC | Freedom, ME | ISO New England (ISNE) | 10.4 GWh | Oct 2008 | Dec 2024 | Wind |
GenConn Devon LLC | GenConn Devon LLC | Milford, CT | ISO New England (ISNE) | 2.3 GWh | May 2010 | Dec 2023 | Kerosene : 96.0% Natural Gas : 4.0% |
Oakfield Wind Project | Onward Energy | City of Oakfield, ME | ISO New England (ISNE) | 346.3 GWh | Sep 2015 | Apr 2025 | Wind |
Bingham Wind | Onward Energy | Bingham, ME | ISO New England (ISNE) | 477.6 GWh | Nov 2016 | Apr 2025 | Wind |
New England Wind LLC | Avangrid Power LLC | Florida, MA | ISO New England (ISNE) | 73.2 GWh | Nov 2012 | Apr 2025 | Wind |
Bull Hill Wind Project | Evergreen Wind, LLC | Eastbrook, ME | ISO New England (ISNE) | 74.0 GWh | Sep 2012 | Dec 2024 | Wind |
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 |
Chittenden County Solar Partners | Chittenden County Solar Partners LLC | South Burlington, VT | ISO New England (ISNE) | 2.9 GWh | Apr 2011 | 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 |
Dorchester Solar Site | Massachusetts Electric Co | Dorchester, MA | ISO New England (ISNE) | 1.5 GWh | Dec 2011 | Dec 2024 | Solar |
Dartmouth Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 2.0 GWh | Feb 2011 | Dec 2024 | Solar |
Sheffield Wind | Evergreen Wind, LLC | Sheffield, VT | ISO New England (ISNE) | 75.2 GWh | Sep 2011 | Apr 2025 | Wind |
Haverhill Solar Power Project | Massachusetts Electric Co | Haverhill, MA | ISO New England (ISNE) | 1.2 GWh | Nov 2010 | Dec 2024 | Solar |
NEDC Solar Site | Massachusetts Electric Co | Whitinsville, MA | ISO New England (ISNE) | 979.0 MWh | May 2010 | Dec 2024 | Solar |
Waterbury Generation | Engie North America | Waterbury, CT | ISO New England (ISNE) | 43.8 GWh | May 2009 | Dec 2024 | Natural Gas : 99.8% |
Stetson Wind I | Evergreen Wind, LLC | Danforth, ME | ISO New England (ISNE) | 120.7 GWh | Dec 2008 | Dec 2024 | Wind |
Waste Management Crossroads LFGTE | WM Renewable Energy LLC | Norridgewock, ME | ISO New England (ISNE) | 18.4 GWh | Feb 2009 | Dec 2024 | Landfill Gas |
Moretown | NextEra Renewable Fuels, LLC | Waterbury, VT | ISO New England (ISNE) | 4.8 GWh | Nov 2008 | Dec 2023 | Landfill Gas |
Kibby Wind Facility | Helix Maine Wind Development, LLC | Chain of Ponds, ME | ISO New England (ISNE) | 264.4 GWh | Sep 2009 | Apr 2025 | Wind |
HSCo CHP | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 27.3 GWh | Sep 2009 | Dec 2024 | Natural Gas |
Rollins Wind Project | Evergreen Wind, LLC | Winn Village, ME | ISO New England (ISNE) | 136.1 GWh | Jun 2011 | Dec 2024 | Wind |
Stetson Wind II | Evergreen Wind, LLC | Danforth, ME | ISO New England (ISNE) | 49.7 GWh | Feb 2010 | Dec 2024 | Wind |
Plainfield Renewable Energy LLC | Plainfield Renewable Energy, LLC | Plainfield, CT | ISO New England (ISNE) | 247.0 GWh | Nov 2013 | Oct 2024 | Wood/Wood Waste Solids : 99.5% |
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 |
Fort Hill 1, 2, 3 & 4 | Connecticut Mun Elec Engy Coop | Uncasville, CT | ISO New England (ISNE) | 520.0 MWh | Jul 2010 | Apr 2025 | Distillate Fuel Oil |
Fairfield University CHP Plant | Fairfield University | Fairfield, CT | ISO New England (ISNE) | 26.1 GWh | Sep 2007 | Dec 2024 | Natural Gas |
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 |
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 |
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 |
LNG 1 & 2 | Connecticut Mun Elec Engy Coop | Norwich, CT | ISO New England (ISNE) | 494.0 MWh | Mar 2010 | Dec 2024 | Distillate Fuel Oil |
GenConn Middletown LLC | GenConn Middletown LLC | Middletown, CT | ISO New England (ISNE) | 3.5 GWh | May 2011 | Dec 2023 | Kerosene : 83.6% Natural Gas : 16.4% |
Record Hill Wind | Record Hill Wind LLC | Roxbury, ME | ISO New England (ISNE) | 115.0 GWh | Dec 2011 | Dec 2024 | Wind |
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 |
Kleen Energy Systems Project | Kleen Energy Systems, LLC | Middletown, CT | ISO New England (ISNE) | 3.3 TWh | Jun 2011 | Apr 2025 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
Fox Island Wind LLC | Fox Island Wind LLC | Vinalhaven, ME | ISO New England (ISNE) | 7.6 GWh | Oct 2009 | Dec 2024 | Wind |
Norwich WWTP | City of Norwich - (CT) | Norwich, CT | ISO New England (ISNE) | 1.0 MWh | Apr 2006 | Mar 2024 | Distillate Fuel Oil |
Notus Wind 1 | Notus Clean Energy LLC | E. Falmouth, MA | ISO New England (ISNE) | 4.3 GWh | Jun 2010 | Dec 2024 | Wind |
Water Treatment 1 & 2 | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 306.0 MWh | Sep 2010 | Apr 2025 | Distillate Fuel Oil |
Fitchburg Gas Recovery | WM Renewable Energy LLC | Westminster, MA | ISO New England (ISNE) | 32.3 GWh | Sep 2007 | Dec 2024 | Landfill Gas |
UCONN Cogen Facility | University of Connecticut | Storrs, CT | ISO New England (ISNE) | 124.8 GWh | Feb 2006 | Apr 2025 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
Foxwoods CoGen | Foxwoods Resort Casino | Mashantucket, CT | ISO New England (ISNE) | 10.8 GWh | May 2010 | Dec 2024 | Natural Gas |
Amherst College Co Gen | Amherst College | Amherst, MA | ISO New England (ISNE) | 6.9 GWh | Oct 2006 | Dec 2024 | Natural Gas |
Rand Whitney CHP Plant | Rand Whitney Containerboard L.P. | Montville, CT | ISO New England (ISNE) | 133.2 GWh | Mar 2005 | Apr 2025 | Natural Gas |
Cottage Street Solar Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.7 GWh | Apr 2014 | Apr 2025 | Solar |
UNH 7.9 MW Plant | Emcor Energy Services | Durham, NH | ISO New England (ISNE) | 50.2 GWh | Aug 2006 | Apr 2025 | Landfill Gas : 74.8% Natural Gas : 24.4% Distillate Fuel Oil : 0.8% |
Ipswich Wind Turbine | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 1.5 GWh | Apr 2011 | Dec 2024 | Wind |
Kingdom Community Wind | Green Mountain Power Corp | Lowell, VT | ISO New England (ISNE) | 183.9 GWh | Oct 2012 | Apr 2025 | Wind |
Town of East Bridgewater CSG | Tesla Inc. | East Bridgewater, MA | ISO New England (ISNE) | 1.1 GWh | May 2013 | Dec 2023 | Solar |
Middlebury College | Middlebury College Biomass | Middlebury, VT | ISO New England (ISNE) | 2.3 GWh | Dec 1979 | Apr 2025 | Wood/Wood Waste Solids : 68.1% Natural Gas : 31.9% |
Merrimac Solar | Consolidated Edison Development Inc. | Merrimac, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2013 | Dec 2024 | Solar |
Wilson Solar | Consolidated Edison Solutions Inc. | Spencer, MA | ISO New England (ISNE) | 1.6 GWh | May 2013 | Dec 2024 | Solar |
Indian Orchard PV Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2011 | Dec 2024 | Solar |
Bradley Energy Center | Ameresco Select Inc | Windsor Locks, CT | ISO New England (ISNE) | 11.8 GWh | Oct 2002 | Dec 2024 | Natural Gas |
Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 805.0 MWh | Nov 2010 | Dec 2024 | Solar |
CCSU Fuel Cell Project | New Britain Renewable Energy, LLC | New Britain, CT | ISO New England (ISNE) | 10.2 GWh | Mar 2012 | Dec 2023 | Natural Gas |
Smith College Central Heating Plant | The Trustees of Smith College | Northampton, MA | ISO New England (ISNE) | 14.2 GWh | Sep 2008 | Dec 2024 | Natural Gas |
Granite Reliable Power | NexteraEnergy | Dummer, NH | ISO New England (ISNE) | 197.2 GWh | Jan 2012 | Apr 2025 | Wind |
Somers Solar Center, LLC | Onward Energy | Somers, CT | ISO New England (ISNE) | 7.9 GWh | Nov 2013 | Dec 2023 | Solar |
Forbes Street Solar | Altus Power America Management, LLC | East Providence, RI | ISO New England (ISNE) | 3.6 GWh | Nov 2013 | Dec 2024 | Solar |
Mass Midstate Solar 3 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 6.3 GWh | Apr 2014 | Dec 2024 | Solar |
Mass Midstate Solar 2 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.3 GWh | Apr 2014 | Dec 2024 | Solar |
West Greenwich Solar | Consolidated Edison Development Inc. | West Greenwich, RI | ISO New England (ISNE) | 2.6 GWh | Apr 2013 | Apr 2025 | Solar |
Mass Midstate Solar 1 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.2 GWh | Apr 2014 | Dec 2024 | Solar |
NFM Solar Power LLC | FirstLight Power Resources, Inc. - MA | Northfield, MA | ISO New England (ISNE) | 1.9 GWh | Feb 2012 | Dec 2024 | Solar |
Millbury Solar | Evergreen Wind, LLC | Millbury, MA | ISO New England (ISNE) | 4.2 GWh | Mar 2014 | Dec 2024 | Solar |
Leicester One MA Solar LLC | CVI CleanCapital Solar 1 LLC | Leicester, MA | ISO New England (ISNE) | 5.6 GWh | Dec 2014 | Dec 2024 | Solar |
Freetown Solar | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 5.9 GWh | Feb 2015 | Dec 2024 | Solar |
Dartmouth II Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 3.4 GWh | May 2012 | Dec 2024 | Solar |
Boston Scientific Solar | Consolidated Edison Solutions Inc. | Quincy, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2012 | Dec 2024 | Solar |
Charlestown Wind Turbine | MWRA Charlestown | Charlestown, MA | ISO New England (ISNE) | 1.2 GWh | Sep 2011 | Dec 2024 | Wind |
Acushnet Hawes Reed Road | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2012 | Dec 2024 | Solar |
Kimberly Clark-Unit 1,2,3 | Kimberly-Clark Corporation | New Milford, CT | ISO New England (ISNE) | 219.0 GWh | Mar 2008 | Dec 2024 | Natural Gas |
Summary of Power Plants By State
Figures are based on April 2025 generation numbers.State | Rank | Active Plants | Apr 2025 Generation |
---|---|---|---|
Alabama | # 7 | 75 | 10,243.20 GWh |
Alaska | # 48 | 142 | 476.79 GWh |
Arizona | # 15 | 173 | 7,447.02 GWh |
Arkansas | # 31 | 99 | 3,937.58 GWh |
California | # 4 | 1,664 | 15,684.45 GWh |
Colorado | # 28 | 290 | 4,479.29 GWh |
Connecticut | # 37 | 162 | 2,832.47 GWh |
Delaware | # 49 | 32 | 450.59 GWh |
District of Columbia | # 51 | 16 | 13.07 GWh |
Florida | # 2 | 317 | 20,430.69 GWh |
Georgia | # 6 | 248 | 11,378.75 GWh |
Hawaii | # 46 | 68 | 750.53 GWh |
Idaho | # 44 | 145 | 1,489.98 GWh |
Illinois | # 5 | 358 | 14,828.23 GWh |
Indiana | # 14 | 208 | 7,809.31 GWh |
Iowa | # 19 | 294 | 6,020.16 GWh |
Kansas | # 21 | 180 | 5,162.37 GWh |
Kentucky | # 25 | 57 | 4,785.23 GWh |
Louisiana | # 16 | 83 | 7,414.75 GWh |
Maine | # 45 | 208 | 1,052.11 GWh |
Maryland | # 36 | 196 | 3,016.71 GWh |
Massachusetts | # 43 | 623 | 1,491.61 GWh |
Michigan | # 9 | 269 | 9,486.98 GWh |
Minnesota | # 27 | 765 | 4,502.46 GWh |
Mississippi | # 20 | 56 | 5,727.48 GWh |
Missouri | # 23 | 120 | 5,119.33 GWh |
State | Rank | Active Plants | Apr 2025 Generation |
---|---|---|---|
Montana | # 40 | 70 | 2,029.46 GWh |
Nebraska | # 38 | 127 | 2,575.70 GWh |
Nevada | # 33 | 110 | 3,434.99 GWh |
New Hampshire | # 42 | 56 | 1,516.23 GWh |
New Jersey | # 22 | 385 | 5,160.42 GWh |
New Mexico | # 32 | 139 | 3,447.34 GWh |
New York | # 8 | 930 | 9,830.59 GWh |
North Carolina | # 10 | 909 | 9,044.94 GWh |
North Dakota | # 35 | 57 | 3,134.93 GWh |
Ohio | # 12 | 197 | 8,321.20 GWh |
Oklahoma | # 18 | 136 | 6,341.82 GWh |
Oregon | # 24 | 272 | 4,888.92 GWh |
Pennsylvania | # 3 | 255 | 17,282.62 GWh |
Rhode Island | # 47 | 97 | 690.36 GWh |
South Carolina | # 11 | 200 | 8,436.34 GWh |
South Dakota | # 41 | 52 | 1,909.63 GWh |
Tennessee | # 26 | 86 | 4,565.37 GWh |
Texas | # 1 | 885 | 43,683.73 GWh |
Utah | # 39 | 122 | 2,192.68 GWh |
Vermont | # 50 | 117 | 200.11 GWh |
Virginia | # 17 | 233 | 6,991.48 GWh |
Washington | # 13 | 134 | 8,268.23 GWh |
West Virginia | # 30 | 39 | 3,969.31 GWh |
Wisconsin | # 29 | 244 | 4,163.43 GWh |
Wyoming | # 34 | 73 | 3,236.34 GWh |