Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 13.9 GWh | Apr 1951 | Dec 2024 | Water |
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | ISO New England (ISNE) | 738.0 MWh | Dec 1968 | Dec 2024 | Water |
| 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 |
| NE Renewable Springfield, LLC | NE Renewable Springfield, LLC | Springfield, NH | ISO New England (ISNE) | 33.1 GWh | Nov 1987 | Dec 2024 | Wood/Wood Waste Solids |
| NE Renewable Whitefield, LLC | NE Renewable Whitefield, LLC | Whitefield, NH | ISO New England (ISNE) | 54.4 GWh | Feb 1988 | Dec 2024 | Wood/Wood Waste Solids |
| Pittsfield Generating LP | Pittsfield Generating Company, LP | Pittsfield, MA | ISO New England (ISNE) | 129.9 GWh | Jun 1990 | Oct 2025 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
| MMWAC Resource Recovery Facility | Maine Waste to Energy | Auburn, ME | ISO New England (ISNE) | 10.1 GWh | May 1992 | Oct 2025 | Non-biogenic Municipal Solid Waste : 54.1% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.7% |
| M Street Jet | Massachusetts Bay Trans Auth | Boston, MA | ISO New England (ISNE) | 457.0 MWh | Apr 1979 | Dec 2024 | Kerosene |
| International Paper Jay Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 7.1 GWh | Dec 1911 | Dec 2024 | Water |
| Blackstone/Tupperware | Blackstone Hydro Inc. | North Smithfield, RI | ISO New England (ISNE) | 1.9 GWh | Dec 1980 | Oct 2025 | Water |
| Mine Falls Generating Station | City of Nashua, NH | Nashua, NH | ISO New England (ISNE) | 12.7 GWh | Nov 1985 | Dec 2024 | Water |
| Regional Waste Systems | Ecomaine | Portland, ME | ISO New England (ISNE) | 89.5 GWh | May 1988 | Oct 2025 | Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.7% |
| International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 5.4 GWh | Dec 1912 | Dec 2024 | Water |
| Anson Abenaki Hydros | Eagle Creek Renewable Energy, LLC | Madison, ME | ISO New England (ISNE) | 116.3 GWh | Dec 1949 | Dec 2024 | Water |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 29.3 GWh | Dec 1984 | Oct 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 |
| Worumbo Hydro Station | Eagle Creek Renewable Energy, LLC | Lisbon Falls, ME | ISO New England (ISNE) | 88.7 GWh | Jan 1989 | 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 |
| 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% |
| West Enfield Hydro | Brookfield Black Bear Hydro, LLC | West Enfield, ME | ISO New England (ISNE) | 77.5 GWh | Mar 1988 | Dec 2024 | Water |
| 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) | 10.3 GWh | Jun 1965 | Oct 2025 | Natural Gas : 97.3% Distillate Fuel Oil : 2.7% |
| Stevens Mills Dam | Eagle Creek Renewable Energy, LLC | Franklin, NH | ISO New England (ISNE) | 5.9 GWh | May 1982 | Dec 2024 | Water |
| Hampton Facility | Foss Manufacturing Company LLC | Hampton, NH | ISO New England (ISNE) | 24.7 GWh | Sep 1978 | Oct 2025 | Natural Gas |
| Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | ISO New England (ISNE) | 13.6 GWh | Sep 1985 | Dec 2024 | Water |
| Derby Hydro | McCallum Enterprises I LP | Shelton, CT | ISO New England (ISNE) | 23.9 GWh | Dec 1988 | Dec 2024 | Water |
| Newington | Granite Shore Power | Newington, NH | ISO New England (ISNE) | 94.0 GWh | May 1974 | Oct 2025 | Natural Gas : 59.4% Residual Fuel Oil : 40.0% Distillate Fuel Oil : 0.6% |
| Indeck Jonesboro Energy Center | Stored Solar J&WE | Jonesboro, ME | ISO New England (ISNE) | 16.0 MWh | Nov 1987 | Jun 2025 | Gaseous Propane : 66.7% Wood/Wood Waste Solids : 33.3% |
| Errol Hydroelectric Project | Errol Hydroelectric Co LLC | Errol, NH | ISO New England (ISNE) | 15.3 GWh | Oct 1986 | Dec 2024 | Water |
| Cabot Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 4.4 GWh | Dec 1892 | Dec 2024 | Water |
| Clark University | Clark University | Worcester, MA | ISO New England (ISNE) | 4.4 GWh | Dec 2012 | Dec 2024 | Natural Gas |
| Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | ISO New England (ISNE) | 260.5 GWh | Dec 1917 | Dec 2024 | Water |
| Gregg Falls | Eagle Creek Renewable Energy, LLC | Goffstown, NH | ISO New England (ISNE) | 8.9 GWh | Nov 1985 | Dec 2024 | Water |
| Cherry Street | Town of Hudson - (MA) | Hudson, MA | ISO New England (ISNE) | 199.0 MWh | Apr 1951 | Dec 2024 | Natural Gas : 64.2% Distillate Fuel Oil : 35.8% |
| Gilman Mill | Ampersand Gilman Hydro LP | Gilman, VT | ISO New England (ISNE) | 3.9 GWh | Dec 1940 | Dec 2024 | Water |
| Indian Orchard Plant 1 | Solutia Inc-Indian | Springfield, MA | ISO New England (ISNE) | 137.0 MWh | Apr 1985 | Aug 2025 | Natural Gas |
| Lawrence Hydroelectric Associates | Central Rivers Power US, LLC | Lawrence, MA | ISO New England (ISNE) | 65.1 GWh | Jun 1981 | Dec 2024 | Water |
| Fife Brook | Bear Swamp Power Company LLC | Florida, MA | ISO New England (ISNE) | 29.5 GWh | Sep 1974 | Oct 2024 | Water |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 3.7 GWh | Mar 1986 | Dec 2024 | Water |
| Masspower | Masspower | Indian Orchard, MA | ISO New England (ISNE) | 475.7 GWh | Jun 1993 | Dec 2024 | Natural Gas |
| Somerset Plant | Sappi Fine Paper North America-Somerset | Skowhegan, ME | ISO New England (ISNE) | 562.3 GWh | Dec 1975 | Oct 2025 | Black Liquor : 45.3% Wood/Wood Waste Solids : 39.1% Natural Gas : 7.1% Tire-derived Fuels : 4.9% Residual Fuel Oil : 2.7% Sludge Waste : 0.8% |
| Penacook Upper Falls Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 11.6 GWh | Nov 1986 | Dec 2024 | Water |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 3.8 GWh | Dec 1919 | Oct 2025 | Water |
| S D Warren Westbrook | Relevate Power Management LLC | Westbrook, ME | ISO New England (ISNE) | 32.7 GWh | Dec 1902 | Dec 2023 | Water |
| Covanta Southeastern Connecticut Company | Covanta Southeastern Connecticut Company | Preston, CT | ISO New England (ISNE) | 115.5 GWh | Nov 1991 | Oct 2025 | Non-biogenic Municipal Solid Waste : 54.1% Biogenic Municipal Solid Waste : 44.2% Distillate Fuel Oil : 1.7% |
| Brassua Hydroelectric Project | Brassua Hydroelectric LP | Rockwood, ME | ISO New England (ISNE) | 10.4 GWh | Aug 1989 | Dec 2024 | Water |
| Newfound Hydroelectric | Eagle Creek Renewable Energy, LLC | Bristol, NH | ISO New England (ISNE) | 4.1 GWh | Nov 1983 | Dec 2024 | Water |
| Boltonville Hydro Associates | Boltonville Hydro Associates | Boltonville, VT | ISO New England (ISNE) | 3.3 GWh | Jun 1984 | Dec 2024 | Water |
| ReEnergy Livermore Falls | ReEnergy Livermore Falls | Livermore Falls, ME | ISO New England (ISNE) | 266.8 GWh | Jul 1992 | Dec 2024 | Wood/Wood Waste Solids |
| Milton Hydro | SFR Hydro Cor | Milton, NH | ISO New England (ISNE) | 5.6 GWh | Dec 1913 | Dec 2024 | Water |
| Rolfe Canal Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 17.3 GWh | Nov 1987 | Dec 2024 | Water |
| Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | ISO New England (ISNE) | 16.6 GWh | Jul 1983 | Dec 2024 | Water |
| Boott Hydropower | Boott Hydro, LLC - Hybrid | Lowell, MA | ISO New England (ISNE) | 27.5 GWh | Sep 1985 | Dec 2024 | Water |
| Rumford Cogeneration | ND Paper, Inc. | Rumford, ME | ISO New England (ISNE) | 419.6 GWh | Dec 1989 | Oct 2025 | Black Liquor : 51.5% Tire-derived Fuels : 22.2% Wood/Wood Waste Solids : 14.4% Bituminous Coal : 7.9% Residual Fuel Oil : 3.1% Sludge Waste : 0.9% |
| Algonquin Windsor Locks | Ahlstrom Power Windsor Locks LLC | Windsor Locks, CT | ISO New England (ISNE) | 124.5 GWh | Dec 1989 | Oct 2025 | Natural Gas : 99.9% |
| Sheldon Springs Hydroelectric | Central Rivers Power US, LLC | Sheldon Springs, VT | ISO New England (ISNE) | 67.8 GWh | Jun 1988 | Dec 2024 | Water |
| Benton Falls Associates | Essex Hydro Associates LLC | Benton, ME | ISO New England (ISNE) | 4.3 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 |
| Indeck West Enfield Energy Center | Stored Solar J&WE | West Enfield, ME | ISO New England (ISNE) | 50.6 GWh | Nov 1987 | Dec 2024 | Wood/Wood Waste Solids : 99.9% |
| New Haven Harbor | Generation Bridge II Connecticut, LLC | New Haven, CT | ISO New England (ISNE) | 92.5 GWh | Jun 1975 | Sep 2025 | Natural Gas : 72.8% Residual Fuel Oil : 17.4% Distillate Fuel Oil : 6.4% Kerosene : 3.3% |
| 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 |
| 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) | 11.5 GWh | May 1997 | Oct 2025 | 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) | 109.3 GWh | Oct 1981 | Oct 2025 | Natural Gas : 70.7% Distillate Fuel Oil : 29.3% |
| 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) | 10.5 TWh | Jul 1990 | Oct 2025 | 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) | 1.5 TWh | Sep 2002 | Oct 2025 | Natural Gas : 95.0% Distillate Fuel Oil : 5.0% |
| Westbrook Energy Center Power Plant | Westbrook Energy Center | Westbrook, ME | ISO New England (ISNE) | 2.9 TWh | Apr 2001 | Oct 2025 | Natural Gas |
| CPV Towantic Energy Center | CPV Towantic, LLC | Oxford, CT | ISO New England (ISNE) | 5.0 TWh | Apr 2018 | Oct 2025 | Natural Gas |
| Lempster Wind LLC | Avangrid Power LLC | Lempster, NH | ISO New England (ISNE) | 67.6 GWh | Nov 2008 | Oct 2025 | 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 | Oct 2025 | Natural Gas : 95.0% Distillate Fuel Oil : 5.0% |
| 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 | Oct 2025 | 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 |
Summary of Power Plants By State
Figures are based on October 2025 generation numbers.| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,041.22 GWh |
| Alaska | # 49 | 144 | 484.88 GWh |
| Arizona | # 11 | 184 | 9,400.73 GWh |
| Arkansas | # 24 | 116 | 5,068.08 GWh |
| California | # 4 | 1,734 | 16,078.58 GWh |
| Colorado | # 30 | 302 | 4,272.03 GWh |
| Connecticut | # 38 | 166 | 3,176.41 GWh |
| Delaware | # 48 | 33 | 521.87 GWh |
| District of Columbia | # 51 | 16 | 15.93 GWh |
| Florida | # 2 | 321 | 22,593.36 GWh |
| Georgia | # 6 | 262 | 11,885.65 GWh |
| Hawaii | # 47 | 73 | 845.96 GWh |
| Idaho | # 44 | 147 | 1,448.54 GWh |
| Illinois | # 5 | 382 | 15,897.55 GWh |
| Indiana | # 12 | 211 | 9,138.69 GWh |
| Iowa | # 18 | 292 | 6,552.01 GWh |
| Kansas | # 31 | 187 | 4,138.18 GWh |
| Kentucky | # 23 | 60 | 5,089.89 GWh |
| Louisiana | # 14 | 86 | 8,618.27 GWh |
| Maine | # 45 | 215 | 1,114.12 GWh |
| Maryland | # 35 | 203 | 3,540.16 GWh |
| Massachusetts | # 41 | 648 | 1,963.73 GWh |
| Michigan | # 9 | 272 | 10,045.59 GWh |
| Minnesota | # 27 | 765 | 4,687.69 GWh |
| Mississippi | # 20 | 57 | 6,085.50 GWh |
| Missouri | # 21 | 127 | 5,515.65 GWh |
| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,455.83 GWh |
| Nebraska | # 36 | 129 | 3,412.31 GWh |
| Nevada | # 33 | 114 | 3,578.95 GWh |
| New Hampshire | # 43 | 60 | 1,661.03 GWh |
| New Jersey | # 25 | 393 | 4,903.52 GWh |
| New Mexico | # 37 | 143 | 3,370.59 GWh |
| New York | # 8 | 956 | 10,108.60 GWh |
| North Carolina | # 13 | 906 | 9,082.37 GWh |
| North Dakota | # 34 | 60 | 3,554.85 GWh |
| Ohio | # 10 | 197 | 9,920.42 GWh |
| Oklahoma | # 17 | 142 | 7,167.46 GWh |
| Oregon | # 26 | 275 | 4,755.34 GWh |
| Pennsylvania | # 3 | 256 | 16,669.60 GWh |
| Rhode Island | # 46 | 100 | 886.30 GWh |
| South Carolina | # 15 | 208 | 8,061.53 GWh |
| South Dakota | # 42 | 52 | 1,892.35 GWh |
| Tennessee | # 22 | 88 | 5,198.50 GWh |
| Texas | # 1 | 947 | 48,837.92 GWh |
| Utah | # 39 | 125 | 3,044.05 GWh |
| Vermont | # 50 | 117 | 151.45 GWh |
| Virginia | # 19 | 239 | 6,515.03 GWh |
| Washington | # 16 | 137 | 7,971.98 GWh |
| West Virginia | # 29 | 39 | 4,608.16 GWh |
| Wisconsin | # 28 | 250 | 4,687.23 GWh |
| Wyoming | # 32 | 70 | 3,770.47 GWh |