Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Fife Brook | Bear Swamp Power Company LLC | Florida, MA | ISO New England (ISNE) | 29.5 GWh | Sep 1974 | Oct 2024 | Water |
| Wilkins Station | Town of Marblehead - (MA) | Marblehead, MA | ISO New England (ISNE) | 94.0 MWh | Oct 1975 | Dec 2024 | Distillate Fuel Oil |
| Newington | Granite Shore Power | Newington, NH | ISO New England (ISNE) | 104.4 GWh | May 1974 | Jul 2025 | Natural Gas : 62.4% Residual Fuel Oil : 37.1% Distillate Fuel Oil : 0.5% |
| Cabot Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 4.4 GWh | Dec 1892 | Dec 2024 | Water |
| 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 |
| 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 |
| 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% |
| Beldens | Green Mountain Power Corp | New Haven, VT | ISO New England (ISNE) | 13.5 GWh | Jul 1913 | Dec 2024 | Water |
| Carver Falls | Green Mountain Power Corp | Hampton, NY | ISO New England (ISNE) | 5.8 GWh | Jan 1922 | Dec 2024 | Water |
| M Street Jet | Massachusetts Bay Trans Auth | Boston, MA | ISO New England (ISNE) | 457.0 MWh | Apr 1979 | Dec 2024 | Kerosene |
| Mine Falls Generating Station | City of Nashua, NH | Nashua, NH | ISO New England (ISNE) | 12.7 GWh | Nov 1985 | 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 |
| Princeton Wind Farm | Town of Princeton - (MA) | Princeton, MA | ISO New England (ISNE) | 3.7 GWh | Dec 2009 | Dec 2024 | Wind |
| Indian Orchard | Central Rivers Power MA, LLC | Indian Orchard, MA | ISO New England (ISNE) | 6.3 GWh | Dec 1927 | Dec 2024 | Water |
| Turners Falls | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 12.4 GWh | Dec 1904 | Dec 2024 | Water |
| Dwight | Central Rivers Power MA, LLC | Chicopee, MA | ISO New England (ISNE) | 6.3 GWh | Dec 1919 | Dec 2024 | Water |
| Marshfield 6 | Green Mountain Power Corp | Marshfield, VT | ISO New England (ISNE) | 8.1 GWh | Dec 1926 | Dec 2024 | Water |
| Essex Junction 19 | Green Mountain Power Corp | Essex Junction, VT | ISO New England (ISNE) | 36.5 GWh | Dec 1916 | Jul 2025 | Water : 99.6% |
| Colchester 16 | Green Mountain Power Corp | Colchester, VT | ISO New England (ISNE) | 279.0 MWh | Sep 1965 | Dec 2024 | Distillate Fuel Oil |
| Berlin 5 | Green Mountain Power Corp | Berlin, VT | ISO New England (ISNE) | 1.1 GWh | May 1972 | Jul 2025 | Kerosene |
| Newport | Great Bay Hydro Corp | Newport, VT | ISO New England (ISNE) | 20.6 GWh | Dec 1935 | Dec 2024 | Water |
| Weybridge | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 14.1 GWh | Jan 1951 | Dec 2024 | Water |
| Silver Lake (VT) | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 4.6 GWh | Jan 1917 | Dec 2024 | Water |
| Salisbury | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 2.0 GWh | Jan 1917 | Dec 2024 | Water |
| Middlesex 2 | Green Mountain Power Corp | Moretown, VT | ISO New England (ISNE) | 9.8 GWh | Dec 1927 | Dec 2024 | Water |
| West Danville 15 | Green Mountain Power Corp | Danville, VT | ISO New England (ISNE) | 2.6 GWh | Dec 1916 | Dec 2024 | Water |
| Hooksett | Central Rivers Power NH, LLC | Hooksett, NH | ISO New England (ISNE) | 5.3 GWh | Jul 1927 | Dec 2024 | Water |
| Bellows Falls | Great River Hydro, LLC | Bellow Falls, VT | ISO New England (ISNE) | 264.4 GWh | Feb 1928 | Dec 2024 | Water |
| Harriman | Great River Hydro, LLC | Whitingham, VT | ISO New England (ISNE) | 91.5 GWh | Apr 1924 | Dec 2024 | Water |
| Canaan | Central Rivers Power NH, LLC | Canaan, VT | ISO New England (ISNE) | 6.5 GWh | Jul 1927 | Dec 2024 | Water |
| West Charleston | Barton Village, Inc | West Charleston, VT | ISO New England (ISNE) | 6.9 GWh | Jun 1931 | Dec 2024 | Water |
| Burlington GT | City of Burlington Electric - (VT) | Burlington, VT | ISO New England (ISNE) | 358.0 MWh | Aug 1971 | Dec 2024 | Distillate Fuel Oil |
| Great Falls (VT) | The Town of Lyndon Electric Department | Lyndon, VT | ISO New England (ISNE) | 3.0 GWh | Jul 1915 | Dec 2024 | Water |
| Morrisville | Village of Morrisville - (VT) | Morrisville, VT | ISO New England (ISNE) | 4.9 GWh | Jul 1924 | Dec 2024 | Water |
| Cadys Falls | Village of Morrisville - (VT) | Morrisville, VT | ISO New England (ISNE) | 139.0 MWh | Jul 1914 | Dec 2024 | Water |
| Garvins Falls | Central Rivers Power NH, LLC | Bow, NH | ISO New England (ISNE) | 30.9 GWh | Jul 1925 | Dec 2024 | Water |
| Manchester Street | Manchester Street, LLC. | Providence, RI | ISO New England (ISNE) | 1.6 TWh | Aug 1995 | Jul 2025 | Natural Gas : 98.4% Distillate Fuel Oil : 1.6% |
| Comerford | Great River Hydro, LLC | Monroe, NH | ISO New England (ISNE) | 400.5 GWh | Aug 1930 | Dec 2024 | Water |
| S C Moore | Great River Hydro, LLC | Littleton, NH | ISO New England (ISNE) | 341.5 GWh | Dec 1956 | Dec 2024 | Water |
| Vernon Dam | Great River Hydro, LLC | Vernon, VT | ISO New England (ISNE) | 159.7 GWh | Jul 1909 | Dec 2024 | Water |
| Wilder | Great River Hydro, LLC | Hartford, VT | ISO New England (ISNE) | 179.5 GWh | Oct 1950 | Dec 2024 | Water |
| Amoskeag | Central Rivers Power NH, LLC | Manchester, NH | ISO New England (ISNE) | 76.9 GWh | Jul 1922 | Dec 2024 | Water |
| Ayers Island | Central Rivers Power NH, LLC | Bristol, NH | ISO New England (ISNE) | 40.1 GWh | Jul 1925 | Dec 2024 | Water |
| Eastman Falls | Central Rivers Power NH, LLC | Franklin, NH | ISO New England (ISNE) | 24.3 GWh | Jul 1937 | Dec 2024 | Water |
| Pittsford | Green Mountain Power Corp | Pittsford, VT | ISO New England (ISNE) | 8.0 GWh | Jan 1914 | Dec 2024 | Water |
| White Lake | Granite Shore Power | Tamworth, NH | ISO New England (ISNE) | 484.0 MWh | Jun 1968 | Dec 2024 | Jet Fuel |
| Smith (NH) | Central Rivers Power NH, LLC | Berlin, NH | ISO New England (ISNE) | 112.2 GWh | Jul 1948 | Dec 2024 | Water |
| Schiller | Granite Shore Power | Portsmouth, NH | ISO New England (ISNE) | 618.0 MWh | Sep 1952 | Jul 2025 | Jet Fuel |
| Merrimack | Granite Shore Power | Bow, NH | ISO New England (ISNE) | 352.4 GWh | Nov 1960 | Jul 2025 | Bituminous Coal : 99.6% |
| Lost Nation | Granite Shore Power | Groveton, NH | ISO New England (ISNE) | 422.0 MWh | Aug 1969 | Dec 2024 | Distillate Fuel Oil |
| Jackman | Central Rivers Power NH, LLC | Hillsborough, NH | ISO New England (ISNE) | 8.8 GWh | Jan 1926 | Dec 2024 | Water |
| Gorham | Central Rivers Power NH, LLC | Gorham, NH | ISO New England (ISNE) | 11.2 GWh | Jul 1917 | Dec 2024 | Water |
| Rutland | Green Mountain Power Corp | Rutland City, VT | ISO New England (ISNE) | 84.0 MWh | Nov 1962 | Mar 2024 | Distillate Fuel Oil |
| Ascutney | Green Mountain Power Corp | Weatherfield, VT | ISO New England (ISNE) | 228.0 MWh | Jul 1961 | Jun 2025 | Distillate Fuel Oil |
| Smith (VT) | Green Mountain Power Corp | Bradford, VT | ISO New England (ISNE) | 1.6 GWh | Nov 1982 | Dec 2024 | Water |
| Cavendish | Green Mountain Power Corp | Cavendish, VT | ISO New England (ISNE) | 830.0 MWh | Jan 1907 | Dec 2024 | Water |
| Clark Falls | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 17.0 GWh | Jan 1937 | Dec 2024 | Water |
| Fairfax Falls | Green Mountain Power Corp | Fairfax, VT | ISO New England (ISNE) | 20.4 GWh | Jan 1919 | Dec 2024 | Water |
| Glen | Green Mountain Power Corp | Rutland, VT | ISO New England (ISNE) | 6.1 GWh | Jul 1920 | Dec 2024 | Water |
| Lower Middlebury | Green Mountain Power Corp | Middlebury Lower, VT | ISO New England (ISNE) | 4.3 GWh | Jul 1917 | Dec 2024 | Water |
| Milton | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 44.4 GWh | Jan 1929 | Dec 2024 | Water |
| Peterson | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 31.3 GWh | Jan 1948 | Dec 2024 | Water |
| EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | ISO New England (ISNE) | 2.7 GWh | Jun 1985 | Jul 2024 | Water |
| Erving Paper Mills | Erving Paper Mills Inc | Erving, MA | ISO New England (ISNE) | 42.2 GWh | Nov 2013 | Jul 2025 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Gillette SBMC | The Gillette Company | Boston, MA | ISO New England (ISNE) | 55.2 GWh | Jan 1971 | Jul 2025 | Natural Gas : 99.9% |
| Bridgeport Energy Project | Bridgeport Energy LLC | Bridgeport, CT | ISO New England (ISNE) | 2.6 TWh | May 1998 | Jul 2025 | Natural Gas |
| Newington Energy Center | Essential Power Operating Services, LLC | Newington, NH | ISO New England (ISNE) | 1.8 TWh | Sep 2002 | Jul 2025 | Natural Gas : 95.8% Distillate Fuel Oil : 4.2% |
| Berkshire Power | Berkshire Power Co LLC | Agawam, MA | ISO New England (ISNE) | 573.3 GWh | Aug 1999 | Dec 2024 | Natural Gas |
| Thundermist Hydro | City of Woonsocket | Providence, RI | ISO New England (ISNE) | 90.0 MWh | May 1981 | Dec 2024 | Water |
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | ISO New England (ISNE) | 133.5 GWh | Dec 1913 | Dec 2024 | Water |
| 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 |
| Pratt & Whitney | United Technologies | East Hartford, CT | ISO New England (ISNE) | 76.1 GWh | Dec 1991 | Jul 2025 | Natural Gas |
| Lake Road Generating Plant | Lake Road Generating Co LP | Dayville, CT | ISO New England (ISNE) | 5.8 TWh | Feb 2002 | Jul 2025 | Natural Gas |
| Milford Power LP | Milford Power LLC | Milford, MA | ISO New England (ISNE) | 253.1 GWh | Feb 1993 | Dec 2024 | Natural Gas |
| Hydro Kennebec Project | Hydro Kennebec LLC | Winslow, ME | ISO New England (ISNE) | 27.0 GWh | Dec 1988 | Dec 2024 | Water |
| Pfizer Groton Plant | Pfizer Inc | Groton, CT | ISO New England (ISNE) | 79.9 GWh | Dec 1947 | Jul 2025 | Natural Gas : 94.3% Distillate Fuel Oil : 5.7% |
| Chace Mill Winooski One | City of Burlington Electric - (VT) | Winooski, VT | ISO New England (ISNE) | 29.5 GWh | Mar 1993 | Dec 2024 | Water |
| Granite Ridge | Granite Ridge Energy LLC | Londonderry, NH | ISO New England (ISNE) | 3.1 TWh | Feb 2003 | Jul 2025 | Natural Gas |
| Tiverton Power Plant | Tiverton Power LLC | Tiverton, RI | ISO New England (ISNE) | 1.7 TWh | Feb 2000 | Dec 2024 | Natural Gas |
| Milford Power Project | Milford Power Co LLC | Milford, CT | ISO New England (ISNE) | 3.7 TWh | Jan 2004 | Jul 2025 | Natural Gas |
| Maine Independence Station | Casco Bay Energy Co LLC | Veazie, ME | ISO New England (ISNE) | 2.5 TWh | Apr 2000 | Dec 2024 | 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 |
| Millennium Power | Millennium Power Company, LLC | Charlton, MA | ISO New England (ISNE) | 479.8 GWh | Mar 2001 | Jul 2025 | Natural Gas |
| Wallingford Energy | Wallingford Energy LLC | Wallingford, CT | ISO New England (ISNE) | 87.8 GWh | Jul 2001 | Dec 2024 | Natural Gas |
| MM Taunton Energy | MM Taunton Energy LLC | Taunton, MA | ISO New England (ISNE) | 5.8 GWh | Aug 1997 | Dec 2024 | Landfill Gas |
| Rhode Island State Energy Center | RISEC Operating Services | Johnston, RI | ISO New England (ISNE) | 3.3 TWh | Sep 2002 | Jul 2025 | 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% |
| Rumford Power LLC | Rumford Power | Rumford, ME | ISO New England (ISNE) | 637.7 GWh | Jun 2000 | Dec 2024 | Natural Gas |
| 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% |
| Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | ISO New England (ISNE) | 8.9 GWh | Mar 1986 | Dec 2024 | Water |
| Dartmouth College Heating Plant | Dartmouth College | Hanover, NH | ISO New England (ISNE) | 10.1 GWh | Dec 1969 | Jul 2025 | Residual Fuel Oil |
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 3.5 GWh | Nov 1984 | Dec 2024 | Water |
| Westbrook Energy Center Power Plant | Westbrook Energy Center | Westbrook, ME | ISO New England (ISNE) | 3.0 TWh | Apr 2001 | Jul 2025 | Natural Gas |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 1.5 GWh | Nov 1988 | Dec 2024 | Water |
| Wheelabrator Lisbon | Wheelabrator Environmental Systems | Lisbon, CT | ISO New England (ISNE) | 101.4 GWh | Sep 1995 | Jul 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 2.3 GWh | Sep 1986 | Dec 2024 | Water |
| Nashua Plant | NextEra Renewable Fuels, LLC | Nashua, NH | ISO New England (ISNE) | 13.4 GWh | Mar 1996 | Dec 2024 | Landfill Gas |
| Quinebaug Lower Project | Quinebaug Associates LLC | Brooklyn, CT | ISO New England (ISNE) | 6.4 GWh | Mar 1990 | 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 |