Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Turners Falls | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 12.4 GWh | Dec 1904 | Dec 2024 | Water |
| Indian Orchard | Central Rivers Power MA, LLC | Indian Orchard, MA | ISO New England (ISNE) | 6.3 GWh | Dec 1927 | Dec 2024 | Water |
| Dwight | Central Rivers Power MA, LLC | Chicopee, MA | ISO New England (ISNE) | 6.3 GWh | Dec 1919 | Dec 2024 | Water |
| Searsburg Wind Turbine | Green Mountain Power Corp | Searsburg, VT | ISO New England (ISNE) | 10.7 GWh | May 1997 | Feb 2026 | Wind |
| Front Street | City of Chicopee - (MA) | Chicopee, MA | ISO New England (ISNE) | 497.0 MWh | Dec 1977 | Dec 2024 | Distillate Fuel Oil |
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | ISO New England (ISNE) | 176.2 GWh | Oct 1981 | Feb 2026 | Distillate Fuel Oil : 56.2% Natural Gas : 43.8% |
| Princeton Wind Farm | Town of Princeton - (MA) | Princeton, MA | ISO New England (ISNE) | 3.7 GWh | Dec 2009 | Dec 2024 | Wind |
| Wilkins Station | Town of Marblehead - (MA) | Marblehead, MA | ISO New England (ISNE) | 94.0 MWh | Oct 1975 | Dec 2024 | Distillate Fuel Oil |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.2 GWh | Jul 1913 | Dec 2024 | Water |
| West Tisbury Generating Facility | Vineyard Reliability LLC | West Tisbury, MA | ISO New England (ISNE) | 3.0 GWh | Dec 1974 | Dec 2024 | Distillate Fuel Oil |
| Waterbury 22 | Green Mountain Power Corp | Waterbury, VT | ISO New England (ISNE) | 15.2 GWh | May 1953 | Dec 2024 | Water |
| Wrightsville Hydro Plant | Washington Electric Coop - (VT) | Montpelier, VT | ISO New England (ISNE) | 1.7 GWh | Aug 1985 | Nov 2024 | Water |
| Gorge 18 | Green Mountain Power Corp | South Burlington, VT | ISO New England (ISNE) | 16.7 GWh | Dec 1927 | Dec 2024 | Water |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 53.3 GWh | Dec 1930 | Dec 2024 | Water |
| Carver Falls | Green Mountain Power Corp | Hampton, NY | ISO New England (ISNE) | 5.8 GWh | Jan 1922 | Dec 2024 | Water |
| Beldens | Green Mountain Power Corp | New Haven, VT | ISO New England (ISNE) | 13.5 GWh | Jul 1913 | Dec 2024 | Water |
| Vergennes 9 | Green Mountain Power Corp | Vergennes, VT | ISO New England (ISNE) | 8.0 GWh | Dec 1911 | Dec 2024 | Water |
| Searsburg | Great River Hydro, LLC | Searsburg, VT | ISO New England (ISNE) | 15.4 GWh | Feb 1922 | Dec 2024 | Water |
| Shrewsbury | Town of Shrewsbury - (MA) | Shrewsbury, MA | ISO New England (ISNE) | 34.0 MWh | Oct 1969 | Dec 2024 | Distillate Fuel Oil |
| Proctor | Green Mountain Power Corp | Proctor, VT | ISO New England (ISNE) | 31.2 GWh | Jul 1905 | Dec 2024 | Water |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 20.2 GWh | Jul 1912 | Dec 2024 | Water |
| Seabrook | NextEra Energy Seabrook LLC | Seabrook, NH | ISO New England (ISNE) | 10.9 TWh | Jul 1990 | Feb 2026 | Nuclear |
| Highgate Falls | Village of Swanton - (VT) | Highgate, VT | ISO New England (ISNE) | 46.6 GWh | Jul 1923 | Dec 2024 | Water |
| Ameresco Chicopee Energy | AMERESCO Chicopee Energy LLC | Chicopee, MA | ISO New England (ISNE) | 9.5 GWh | Jan 2004 | Dec 2024 | Landfill Gas |
| Wallingford Energy | Wallingford Energy LLC | Wallingford, CT | ISO New England (ISNE) | 87.8 GWh | Jul 2001 | Dec 2024 | Natural Gas |
| Newington Energy Center | Essential Power Operating Services, LLC | Newington, NH | ISO New England (ISNE) | 2.0 TWh | Sep 2002 | Feb 2026 | Natural Gas : 92.5% Distillate Fuel Oil : 7.5% |
| Westbrook Energy Center Power Plant | Westbrook Energy Center | Westbrook, ME | ISO New England (ISNE) | 3.6 TWh | Apr 2001 | Feb 2026 | Natural Gas |
| CPV Towantic Energy Center | CPV Towantic, LLC | Oxford, CT | ISO New England (ISNE) | 4.9 TWh | Apr 2018 | Feb 2026 | Natural Gas |
| Lempster Wind LLC | Avangrid Power LLC | Lempster, NH | ISO New England (ISNE) | 65.2 GWh | Nov 2008 | Feb 2026 | Wind |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 23.3 GWh | Dec 1922 | Dec 2024 | Water |
| Fitchburg Gas Recovery | WM Renewable Energy LLC | Westminster, MA | ISO New England (ISNE) | 32.3 GWh | Sep 2007 | Dec 2024 | Landfill Gas |
| Waterside Power, LLC | Waterside Power, LLC | Stamford, CT | ISO New England (ISNE) | 2.1 GWh | May 2003 | Dec 2024 | Distillate Fuel Oil |
| Fore River Generating Station | Calpine Fore River Energy Center, LLC | North Weymouth, MA | ISO New England (ISNE) | 3.1 TWh | Jul 2003 | Feb 2026 | Natural Gas : 93.4% Distillate Fuel Oil : 6.6% |
| Quinebaug Lower Project | Quinebaug Associates LLC | Brooklyn, CT | ISO New England (ISNE) | 6.4 GWh | Mar 1990 | Dec 2024 | Water |
| Lake Road Generating Plant | Lake Road Generating Co LP | Dayville, CT | ISO New England (ISNE) | 5.8 TWh | Feb 2002 | Feb 2026 | Natural Gas |
| Mass Inst Tech Cntrl Utilities/Cogen Plt | Massachusetts Inst of Tech | Cambridge, MA | ISO New England (ISNE) | 204.8 GWh | May 1995 | Dec 2024 | Natural Gas |
| Dighton Power Plant | Dighton Power, LLC | Dighton, MA | ISO New England (ISNE) | 531.1 GWh | Apr 1999 | Dec 2024 | Natural Gas |
| Huntington Falls | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 22.9 GWh | Sep 1988 | Dec 2024 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 3.3 GWh | Jun 1985 | Jun 2024 | Water |
| Collins Facility | Relevate Power Management LLC | Wilbraham, MA | ISO New England (ISNE) | 6.8 GWh | Feb 1985 | Dec 2023 | Water |
| Thundermist Hydro | City of Woonsocket | Providence, RI | ISO New England (ISNE) | 90.0 MWh | May 1981 | Dec 2024 | Water |
| Wheelabrator Concord Facility | Wheelabrator Environmental Systems | Concord, NH | ISO New England (ISNE) | 95.1 GWh | Mar 1989 | Feb 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Nashua Plant | NextEra Renewable Fuels, LLC | Nashua, NH | ISO New England (ISNE) | 13.4 GWh | Mar 1996 | Dec 2024 | Landfill Gas |
| Ocean State Power | Ocean State Power Co | Harrisville, RI | ISO New England (ISNE) | 1.2 TWh | Nov 1990 | Dec 2024 | Natural Gas : 99.9% |
| ANP Bellingham Energy Project | Bellingham Power Generation LLC | Bellingham, MA | ISO New England (ISNE) | 3.5 TWh | Oct 2002 | Feb 2026 | Natural Gas |
| Milford Power LP | Milford Power LLC | Milford, MA | ISO New England (ISNE) | 253.1 GWh | Feb 1993 | Dec 2024 | Natural Gas |
| Granite Ridge | Granite Ridge Energy LLC | Londonderry, NH | ISO New England (ISNE) | 3.7 TWh | Feb 2003 | Feb 2026 | Natural Gas |
| Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | ISO New England (ISNE) | 48.6 GWh | Oct 1987 | Dec 2024 | Water |
| Maine Independence Station | Casco Bay Energy Co LLC | Veazie, ME | ISO New England (ISNE) | 2.5 TWh | Apr 2000 | Dec 2024 | Natural Gas |
| Aziscohos Hydroelectric Project | Brookfield White Pine Hydro LLC | Wilson Mills, ME | ISO New England (ISNE) | 36.3 GWh | May 1988 | Dec 2024 | Water |
| Wheelabrator Lisbon | Wheelabrator Environmental Systems | Lisbon, CT | ISO New England (ISNE) | 100.2 GWh | Sep 1995 | Feb 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Bridgeport | Wheelabrator Environmental Systems | Bridgeport, CT | ISO New England (ISNE) | 476.1 GWh | Jun 1988 | Feb 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Ryegate Associates, LLC | Ryegate Associates, LLC | East Ryegate, VT | ISO New England (ISNE) | 149.9 GWh | Aug 1992 | Dec 2024 | Wood/Wood Waste Solids |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 235.9 GWh | Apr 1985 | Feb 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| ANP Blackstone Energy Project | ANP Blackstone Energy Company LLC | Blackstone, MA | ISO New England (ISNE) | 3.3 TWh | May 2001 | Feb 2026 | Natural Gas |
| Rhode Island Hospital | Rhode Island Hospital | Providence, RI | ISO New England (ISNE) | 52.7 GWh | Sep 1974 | Feb 2026 | Natural Gas : 87.3% Residual Fuel Oil : 12.7% |
| 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% |
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | ISO New England (ISNE) | 183.2 GWh | Jul 1985 | Feb 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Moretown Generating Station | Moretown Hydroelectric LLC | Moretown, VT | ISO New England (ISNE) | 2.6 GWh | Dec 1988 | Dec 2023 | Water |
| Pontook Hydro Facility | Pontook Operating LP | Dummer, NH | ISO New England (ISNE) | 61.9 GWh | Nov 1986 | Dec 2024 | Water |
| Wheelabrator Millbury Facility | Wheelabrator Environmental Systems | Millbury, MA | ISO New England (ISNE) | 316.3 GWh | Aug 1987 | Feb 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Hartford Hospital Cogeneration | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 39.5 GWh | Jun 1988 | Dec 2024 | Natural Gas |
| Central Power Plant | State of Rhode Island | Cranston, RI | ISO New England (ISNE) | 18.8 GWh | Jul 1958 | Feb 2026 | Natural Gas : 97.5% Distillate Fuel Oil : 2.5% |
| New Milford Gas Recovery | WM Renewable Energy LLC | New Milford, CT | ISO New England (ISNE) | 4.7 GWh | Apr 2008 | Dec 2024 | Landfill Gas |
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | ISO New England (ISNE) | 3.5 GWh | Jun 1986 | Dec 2024 | Water |
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | ISO New England (ISNE) | 570.9 GWh | Jun 1917 | Dec 2024 | Water |
| Hydro Kennebec Project | Hydro Kennebec LLC | Winslow, ME | ISO New England (ISNE) | 27.0 GWh | Dec 1988 | Dec 2024 | Water |
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 3.5 GWh | Nov 1984 | Dec 2024 | Water |
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | ISO New England (ISNE) | 206.5 GWh | Apr 1989 | Feb 2026 | Non-biogenic Municipal Solid Waste : 51.9% Biogenic Municipal Solid Waste : 42.5% Distillate Fuel Oil : 5.6% |
| MM Taunton Energy | MM Taunton Energy LLC | Taunton, MA | ISO New England (ISNE) | 5.8 GWh | Aug 1997 | Dec 2024 | Landfill Gas |
| Gillette SBMC | The Gillette Company | Boston, MA | ISO New England (ISNE) | 54.2 GWh | Jan 1971 | Feb 2026 | Natural Gas |
| Erving Paper Mills | Erving Paper Mills Inc | Erving, MA | ISO New England (ISNE) | 41.5 GWh | Nov 2013 | Feb 2026 | Natural Gas : 98.0% Distillate Fuel Oil : 2.0% |
| Pfizer Groton Plant | Pfizer Inc | Groton, CT | ISO New England (ISNE) | 74.9 GWh | Dec 1947 | Feb 2026 | Natural Gas : 87.4% Distillate Fuel Oil : 12.6% |
| Milford Power Project | Milford Power Co LLC | Milford, CT | ISO New England (ISNE) | 3.2 TWh | Jan 2004 | Feb 2026 | Natural Gas |
| ReEnergy Stratton LLC | ReEnergy Stratton LLC | Stratton, ME | ISO New England (ISNE) | 203.1 GWh | Oct 1989 | Dec 2024 | Wood/Wood Waste Solids |
| Covanta Bristol Energy | Covanta Bristol Inc | Bristol, CT | ISO New England (ISNE) | 109.9 GWh | Nov 1987 | Feb 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.6 GWh | Jun 1986 | Dec 2024 | Water |
| Berkshire Power | Berkshire Power Co LLC | Agawam, MA | ISO New England (ISNE) | 573.3 GWh | Aug 1999 | Dec 2024 | Natural Gas |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 1.5 GWh | Nov 1988 | Dec 2024 | Water |
| Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | ISO New England (ISNE) | 8.9 GWh | Mar 1986 | Dec 2024 | Water |
| Rumford Power LLC | Rumford Power | Rumford, ME | ISO New England (ISNE) | 637.7 GWh | Jun 2000 | Dec 2024 | Natural Gas |
| 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% |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 2.3 GWh | Sep 1986 | Dec 2024 | Water |
| Rhode Island State Energy Center | RISEC Operating Services | Johnston, RI | ISO New England (ISNE) | 3.6 TWh | Sep 2002 | Feb 2026 | Natural Gas |
| Dartmouth College Heating Plant | Dartmouth College | Hanover, NH | ISO New England (ISNE) | 10.3 GWh | Dec 1969 | Feb 2026 | Residual Fuel Oil |
| Chace Mill Winooski One | City of Burlington Electric - (VT) | Winooski, VT | ISO New England (ISNE) | 29.5 GWh | Mar 1993 | Dec 2024 | Water |
| Bridgeport Energy Project | Bridgeport Energy LLC | Bridgeport, CT | ISO New England (ISNE) | 2.6 TWh | May 1998 | Feb 2026 | Natural Gas |
| EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | ISO New England (ISNE) | 2.7 GWh | Jun 1985 | Jul 2024 | Water |
| Mechanic Falls | KEI (Maine) Power Management (IV) LLC | Mechanic Falls, ME | ISO New England (ISNE) | 1.9 GWh | Mar 1986 | 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 |
| Millennium Power | Millennium Power Company, LLC | Charlton, MA | ISO New England (ISNE) | 1.0 TWh | Mar 2001 | Feb 2026 | Natural Gas |
| Pratt & Whitney | United Technologies | East Hartford, CT | ISO New England (ISNE) | 55.7 GWh | Dec 1991 | Feb 2026 | Natural Gas |
| Turnkey Landfill Gas Recovery | WM Renewable Energy LLC | Rochester, NH | ISO New England (ISNE) | 44.2 GWh | Jan 1992 | Dec 2024 | Landfill Gas |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 4.3 GWh | Jun 1985 | Dec 2024 | Water |
| NE Renewable Fitchburg, LLC | NE Renewable Fitchburg, LLC | Westminster, MA | ISO New England (ISNE) | 61.2 GWh | Jul 1992 | Dec 2024 | Wood/Wood Waste Solids : 98.1% Natural Gas : 1.9% |
| Upper Barker | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 4.7 GWh | Apr 1987 | Dec 2024 | Water |
| Wellesley College Central Utility Plant | Wellesley College | Wellesley, MA | ISO New England (ISNE) | 889.0 MWh | May 1985 | Dec 2024 | Natural Gas |
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | ISO New England (ISNE) | 133.5 GWh | Dec 1913 | Dec 2024 | Water |
| Tiverton Power Plant | Tiverton Power LLC | Tiverton, RI | ISO New England (ISNE) | 1.7 TWh | Feb 2000 | 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 |
Summary of Power Plants By State
Figures are based on February 2026 generation numbers.| State | Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 77 | 10,522.92 GWh |
| Alaska | # 48 | 139 | 547.09 GWh |
| Arizona | # 16 | 184 | 7,875.02 GWh |
| Arkansas | # 25 | 114 | 5,134.19 GWh |
| California | # 5 | 1,677 | 13,090.02 GWh |
| Colorado | # 31 | 294 | 4,129.24 GWh |
| Connecticut | # 32 | 162 | 3,713.11 GWh |
| Delaware | # 49 | 33 | 489.00 GWh |
| District of Columbia | # 51 | 16 | 15.28 GWh |
| Florida | # 3 | 334 | 18,619.02 GWh |
| Georgia | # 8 | 248 | 10,834.93 GWh |
| Hawaii | # 47 | 70 | 669.33 GWh |
| Idaho | # 41 | 145 | 1,901.37 GWh |
| Illinois | # 4 | 380 | 14,875.53 GWh |
| Indiana | # 12 | 216 | 9,790.54 GWh |
| Iowa | # 19 | 290 | 6,378.25 GWh |
| Kansas | # 29 | 183 | 4,702.54 GWh |
| Kentucky | # 22 | 60 | 6,056.73 GWh |
| Louisiana | # 17 | 86 | 7,844.56 GWh |
| Maine | # 45 | 215 | 1,304.77 GWh |
| Maryland | # 38 | 203 | 3,022.33 GWh |
| Massachusetts | # 43 | 638 | 1,703.92 GWh |
| Michigan | # 11 | 268 | 9,944.77 GWh |
| Minnesota | # 28 | 763 | 4,707.75 GWh |
| Mississippi | # 23 | 56 | 5,592.62 GWh |
| Missouri | # 24 | 127 | 5,447.62 GWh |
| State | Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,424.51 GWh |
| Nebraska | # 35 | 124 | 3,248.85 GWh |
| Nevada | # 39 | 114 | 3,017.15 GWh |
| New Hampshire | # 44 | 56 | 1,533.32 GWh |
| New Jersey | # 27 | 386 | 5,076.17 GWh |
| New Mexico | # 37 | 143 | 3,060.89 GWh |
| New York | # 9 | 949 | 10,653.43 GWh |
| North Carolina | # 7 | 903 | 11,173.71 GWh |
| North Dakota | # 33 | 59 | 3,698.46 GWh |
| Ohio | # 6 | 200 | 13,061.62 GWh |
| Oklahoma | # 18 | 141 | 6,415.64 GWh |
| Oregon | # 21 | 270 | 6,135.97 GWh |
| Pennsylvania | # 2 | 251 | 20,963.61 GWh |
| Rhode Island | # 46 | 100 | 708.28 GWh |
| South Carolina | # 15 | 207 | 8,044.42 GWh |
| South Dakota | # 42 | 52 | 1,872.08 GWh |
| Tennessee | # 20 | 88 | 6,323.51 GWh |
| Texas | # 1 | 959 | 41,824.62 GWh |
| Utah | # 36 | 125 | 3,187.35 GWh |
| Vermont | # 50 | 116 | 163.02 GWh |
| Virginia | # 14 | 236 | 9,222.47 GWh |
| Washington | # 13 | 135 | 9,340.69 GWh |
| West Virginia | # 30 | 40 | 4,249.38 GWh |
| Wisconsin | # 26 | 239 | 5,119.83 GWh |
| Wyoming | # 34 | 70 | 3,369.17 GWh |