Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| White Lake | Granite Shore Power | Tamworth, NH | ISO New England (ISNE) | 484.0 MWh | Jun 1968 | Dec 2024 | Jet Fuel |
| Merrimack | Granite Shore Power | Bow, NH | ISO New England (ISNE) | 363.6 GWh | Nov 1960 | Sep 2025 | Bituminous Coal : 99.7% |
| Lost Nation | Granite Shore Power | Groveton, NH | ISO New England (ISNE) | 422.0 MWh | Aug 1969 | Dec 2024 | Distillate Fuel Oil |
| Gransolar Texas One, LLC | Gransolar Texas One, LLC | Thorndale, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 86.4 GWh | - | Sep 2025 | Solar |
| Grant County Wind LLC | Grant County Wind, LLC | Woodstock, MN | Midcontinent Independent System Operator, Inc. (MISO) | 54.9 GWh | Jul 2010 | Dec 2024 | Wind |
| Plant 31 Paper Mill | Graphic Packaging International | West Monroe, LA | Midcontinent Independent System Operator, Inc. (MISO) | 523.0 GWh | Dec 1963 | Dec 2024 | Natural Gas : 63.2% Black Liquor : 25.1% Wood/Wood Waste Solids : 11.7% |
| International Paper Texarkana Mill | Graphic Packaging International - Texarkana | Queen City, TX | Southwest Power Pool (SWPP) | 336.7 GWh | Dec 1971 | Dec 2024 | Black Liquor : 52.7% Natural Gas : 28.1% Other Biomass Solids : 19.2% |
| Gravel Pit Solar, LLC | Gravel Pit Solar, LLC | East Windsor, CT | ISO New England (ISNE) | 112.8 GWh | - | Sep 2025 | Solar |
| Gray County Wind Energy | Gray County Wind Energy LLC | Montezuma, KS | Southwest Power Pool (SWPP) | 264.1 GWh | Oct 2001 | Dec 2024 | Wind |
| Gray Hawk Solar | Gray Hawk Solar, LLC | Kingman, AZ | Tucson Electric Power (TEPC) | 137.6 GWh | May 2018 | Sep 2025 | Solar |
| Grays Ferry Cogeneration | Grays Ferry Cogen Partnership | Philadelphia, PA | PJM Interconnection, LLC (PJM) | 1.2 TWh | Sep 1997 | Dec 2024 | Natural Gas : 99.9% |
| Grazing Yak Solar | Grazing Yak Solar, LLC | Calhan, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 77.7 GWh | Oct 2019 | Sep 2025 | Solar |
| Greasewood II LLC | Greasewood II LLC | Girvin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 797.6 GWh | Sep 2024 | Sep 2025 | Solar |
| Newport | Great Bay Hydro Corp | Newport, VT | ISO New England (ISNE) | 20.6 GWh | Dec 1935 | Dec 2024 | Water |
| Great Bay Solar 1 | Great Bay Solar I LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 138.5 GWh | Feb 2018 | Sep 2025 | Solar |
| Beaver Island | Great Lakes Energy Coop | Beaver Island, MI | Midcontinent Independent System Operator, Inc. (MISO) | 71.0 MWh | Aug 2000 | Dec 2024 | Distillate Fuel Oil |
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | ISO New England (ISNE) | 133.5 GWh | Dec 1913 | 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 |
| Great Pathfinder Wind | Great Pathfinder Wind | Stratford, IA | Midcontinent Independent System Operator, Inc. (MISO) | 782.7 GWh | Jan 2023 | Sep 2025 | Wind |
| Great Plains Windpark LLC | Great Plains Windpark Legacy LLC | Spearman, TX | Southwest Power Pool (SWPP) | 107.1 GWh | Dec 2008 | Dec 2024 | Wind |
| Great Prairie Wind | Great Prairie Wind LLC | Gruver, TX | Southwest Power Pool (SWPP) | 4.1 TWh | Oct 2022 | Sep 2025 | Wind |
| Spiritwood Station | Great River Energy | Spiritwood, ND | Midcontinent Independent System Operator, Inc. (MISO) | 154.3 GWh | Oct 2014 | Sep 2025 | Natural Gas : 59.9% Refined Coal : 40.1% |
| Dickinson Solar Array | Great River Energy | Buffalo, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 GWh | Jul 2016 | Dec 2024 | Solar |
| Maple Lake | Great River Energy | Maple Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 176.0 MWh | Apr 1978 | Dec 2024 | Distillate Fuel Oil |
| Elk River | Great River Energy | Elk River, MN | Midcontinent Independent System Operator, Inc. (MISO) | 72.7 GWh | Dec 1950 | Sep 2025 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Cambridge CT Hybrid | Great River Energy | Cambridge, MN | Midcontinent Independent System Operator, Inc. (MISO) | 35.7 GWh | Apr 1978 | Dec 2024 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| St Bonifacius | Great River Energy | St. Bonifacius, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | May 1978 | Dec 2024 | Distillate Fuel Oil |
| Rock Lake CT | Great River Energy | Pine City, MN | Midcontinent Independent System Operator, Inc. (MISO) | 270.0 MWh | Mar 1978 | Dec 2024 | Distillate Fuel Oil |
| Pleasant Valley (MN) | Great River Energy | Dexter, MN | Midcontinent Independent System Operator, Inc. (MISO) | 85.9 GWh | Apr 2001 | Dec 2024 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| Lakefield Junction | Great River Energy | Trimont, MN | Midcontinent Independent System Operator, Inc. (MISO) | 63.9 GWh | May 2001 | Dec 2024 | Natural Gas |
| Harriman | Great River Hydro, LLC | Whitingham, VT | ISO New England (ISNE) | 91.5 GWh | Apr 1924 | Dec 2024 | Water |
| Sherman | Great River Hydro, LLC | Rowe, MA | ISO New England (ISNE) | 26.5 GWh | Nov 1926 | Dec 2024 | Water |
| Searsburg | Great River Hydro, LLC | Searsburg, VT | ISO New England (ISNE) | 15.4 GWh | Feb 1922 | Dec 2024 | Water |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 20.2 GWh | Jul 1912 | Dec 2024 | Water |
| Bellows Falls | Great River Hydro, LLC | Bellow Falls, VT | ISO New England (ISNE) | 264.4 GWh | Feb 1928 | Dec 2024 | Water |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.2 GWh | Jul 1913 | Dec 2024 | Water |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 25.0 GWh | Jul 1912 | Dec 2024 | Water |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 53.3 GWh | Dec 1930 | Dec 2024 | Water |
| Wilder | Great River Hydro, LLC | Hartford, VT | ISO New England (ISNE) | 179.5 GWh | Oct 1950 | Dec 2024 | Water |
| Vernon Dam | Great River Hydro, LLC | Vernon, VT | ISO New England (ISNE) | 159.7 GWh | Jul 1909 | Dec 2024 | Water |
| 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 |
| Deerfield 5 | Great River Hydro, LLC | Florida, MA | ISO New England (ISNE) | 42.1 GWh | Sep 1974 | Dec 2024 | Water |
| Greater Sandhill I | Greater Sandhill I LLC | Mosca, CO | Public Service Company of Colorado (PSCO) | 43.4 GWh | Aug 2010 | Dec 2023 | Solar |
| Green City Recovery, LLC | Green City Recovery, LLC | Georgetown, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 1.2 GWh | Dec 2015 | Dec 2024 | Landfill Gas |
| DOCCS Greene | Green Correctional Coxsackie NY Solar LLC | Coxsackie, NY | New York Independent System Operator (NYIS) | 8.8 GWh | Sep 2022 | Dec 2024 | Solar |
| Green Country Energy LLC | Green Country OP Services LLC | Jenks, OK | Southwest Power Pool (SWPP) | 3.8 TWh | Jan 2002 | Sep 2025 | Natural Gas |
| Green Cow Power | Green Cow Power LLC | Goshen, IN | Midcontinent Independent System Operator, Inc. (MISO) | 13.5 GWh | Mar 2015 | Dec 2024 | Other Biomass Gas |
| Green Energy Machine | Green Energy Machine, LLC | Anita, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.7 GWh | May 2016 | Dec 2024 | Wind |
| ME-EDFR-Phase I-Woolwich | Green Mile Solar, LLC | Woolwich, ME | ISO New England (ISNE) | 6.9 GWh | Aug 2023 | Dec 2024 | Solar |
| GMP Solar/Storage-Essex Hybrid | Green Mountain Power Corp | Essex, VT | ISO New England (ISNE) | 7.0 GWh | Aug 2019 | Sep 2025 | Solar : 98.6% Electricity used for energy storage : 1.4% |
| GMP Solar/Storage-Ferrisburgh Hybrid | Green Mountain Power Corp | Ferrisburgh, VT | ISO New England (ISNE) | 8.4 GWh | Aug 2019 | Sep 2025 | Solar : 98.7% Electricity used for energy storage : 1.3% |
| GMP Solar/Storage-Milton Hybrid | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 7.4 GWh | Aug 2019 | Sep 2025 | Solar : 98.6% Electricity used for energy storage : 1.4% |
| GMP Solar - Panton Hybrid | Green Mountain Power Corp | Panton, VT | ISO New England (ISNE) | 8.8 GWh | Nov 2016 | Sep 2025 | Solar : 99.1% Electricity used for energy storage : 0.9% |
| GMP Solar - Richmond | Green Mountain Power Corp | Richmond, VT | ISO New England (ISNE) | 2.8 GWh | Sep 2016 | Sep 2025 | Solar |
| GMP Solar - Williamstown | Green Mountain Power Corp | Williamstown, VT | ISO New England (ISNE) | 7.2 GWh | Nov 2016 | Sep 2025 | Solar |
| GMP Solar - Williston | Green Mountain Power Corp | Williston, VT | ISO New England (ISNE) | 6.2 GWh | Oct 2016 | Sep 2025 | Solar |
| GMP Solar - Hartford | Green Mountain Power Corp | Hartford, VT | ISO New England (ISNE) | 7.3 GWh | Nov 2016 | Sep 2025 | Solar |
| Stafford Hill Solar Hybrid | Green Mountain Power Corp | Rutland, VT | ISO New England (ISNE) | 675.0 MWh | Feb 2015 | Sep 2025 | Solar |
| Milton | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 44.4 GWh | Jan 1929 | 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 |
| Fairfax Falls | Green Mountain Power Corp | Fairfax, VT | ISO New England (ISNE) | 20.4 GWh | Jan 1919 | Dec 2024 | Water |
| Clark Falls | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 17.0 GWh | Jan 1937 | Dec 2024 | Water |
| Cavendish | Green Mountain Power Corp | Cavendish, VT | ISO New England (ISNE) | 830.0 MWh | Jan 1907 | Dec 2024 | Water |
| Smith (VT) | Green Mountain Power Corp | Bradford, VT | ISO New England (ISNE) | 1.6 GWh | Nov 1982 | Dec 2024 | Water |
| Ascutney | Green Mountain Power Corp | Weatherfield, VT | ISO New England (ISNE) | 113.0 MWh | Jul 1961 | Sep 2025 | Distillate Fuel Oil |
| Vergennes 9 | Green Mountain Power Corp | Vergennes, VT | ISO New England (ISNE) | 8.0 GWh | Dec 1911 | Dec 2024 | Water |
| Proctor | Green Mountain Power Corp | Proctor, VT | ISO New England (ISNE) | 31.2 GWh | Jul 1905 | Dec 2024 | Water |
| Waterbury 22 | Green Mountain Power Corp | Waterbury, VT | ISO New England (ISNE) | 15.2 GWh | May 1953 | Dec 2024 | Water |
| Beldens | Green Mountain Power Corp | New Haven, VT | ISO New England (ISNE) | 13.5 GWh | Jul 1913 | Dec 2024 | Water |
| Pittsford | Green Mountain Power Corp | Pittsford, VT | ISO New England (ISNE) | 8.0 GWh | Jan 1914 | Dec 2024 | Water |
| Carver Falls | Green Mountain Power Corp | Hampton, NY | ISO New England (ISNE) | 5.8 GWh | Jan 1922 | Dec 2024 | Water |
| Searsburg Wind Turbine | Green Mountain Power Corp | Searsburg, VT | ISO New England (ISNE) | 11.5 GWh | May 1997 | Sep 2025 | Wind |
| Gorge 18 | Green Mountain Power Corp | South Burlington, VT | ISO New England (ISNE) | 16.7 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 |
| Middlesex 2 | Green Mountain Power Corp | Moretown, VT | ISO New England (ISNE) | 9.8 GWh | Dec 1927 | 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) | 31.8 GWh | Dec 1916 | Sep 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 | Sep 2025 | Kerosene |
| 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 |
| Rutland | Green Mountain Power Corp | Rutland City, VT | ISO New England (ISNE) | 84.0 MWh | Nov 1962 | Mar 2024 | Distillate Fuel Oil |
| Peterson | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 31.3 GWh | Jan 1948 | Dec 2024 | Water |
| Kingdom Community Wind | Green Mountain Power Corp | Lowell, VT | ISO New England (ISNE) | 179.6 GWh | Oct 2012 | Sep 2025 | Wind |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 2.3 GWh | Sep 1986 | Dec 2024 | Water |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 1.5 GWh | Nov 1988 | 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 |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 978.0 MWh | Mar 1983 | Dec 2024 | Water |
| 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 |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.6 GWh | Jun 1986 | Dec 2024 | Water |
| Green Pastures Wind I | Green Pastures Wind I, LLC | Seymour, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 277.5 GWh | Mar 2015 | Dec 2024 | Wind |
| Green Pastures Wind II | Green Pastures Wind II, LLC | Seymour, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 291.1 GWh | Sep 2015 | Dec 2024 | Wind |
| Green Providence Wind I, LLC | Green Providence Wind I, LLC | Providence, RI | ISO New England (ISNE) | 1.6 GWh | Nov 2021 | Dec 2024 | Wind |
| Green Providence Wind II, LLC | Green Providence Wind II, LLC | Providence, RI | ISO New England (ISNE) | 3.8 GWh | Nov 2021 | Dec 2024 | Wind |
| Green River Solar | Green River Solar, LLC | Guston, KY | Midcontinent Independent System Operator, Inc. (MISO) | 200.1 GWh | - | Sep 2025 | Solar |
| Green River Wind Farm | Green River Wind Farm Phase 1, LLC | Deer Grove, IL | PJM Interconnection, LLC (PJM) | 514.8 GWh | Oct 2019 | Sep 2025 | Wind |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |