Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Grabinski | Grabinski Solar LLC | Walden, NY | New York Independent System Operator (NYIS) | 3.6 GWh | Jun 2019 | Aug 2024 | Solar |
| Graham Solar Center LLC | Graham Solar Center LLC | Fair Bluff, NC | Duke Energy Progress East (CPLE) | 9.2 GWh | Nov 2014 | Dec 2024 | Solar |
| Granby Solar, LLC CSG | Granby Solar, LLC | Granby, MA | ISO New England (ISNE) | 6.1 GWh | Jun 2021 | Dec 2024 | Solar |
| NY Grand Island 871 Whitehaven Rd Solar | Grand Island Sunrise LLC | Grand Island, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Feb 2024 | Dec 2024 | Solar |
| GREC | Grand River Dam Authority | Chouteau, OK | Southwest Power Pool (SWPP) | 4.0 TWh | May 1981 | Nov 2025 | Natural Gas : 69.3% Subbituminous Coal : 30.7% |
| Markham | Grand River Dam Authority | Locust Grove, OK | Southwest Power Pool (SWPP) | 188.2 GWh | Apr 1964 | Dec 2024 | Water |
| Pensacola | Grand River Dam Authority | Langley, OK | Southwest Power Pool (SWPP) | 349.1 GWh | Jul 1940 | Dec 2024 | Water |
| Vinelands Power Plant | Grand Valley Power LLC | Palisade, CO | Public Service Company of Colorado (PSCO) | 15.6 GWh | Oct 2022 | Dec 2024 | Water |
| Grand View Solar Two | Grand View PV Solar Two, LLC | Grand View, ID | Idaho Power Company (IPCO) | 183.0 GWh | Nov 2016 | Nov 2025 | Solar |
| Granite Ridge | Granite Ridge Energy LLC | Londonderry, NH | ISO New England (ISNE) | 3.2 TWh | Feb 2003 | Nov 2025 | Natural Gas |
| 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% |
| Lost Nation | Granite Shore Power | Groveton, NH | ISO New England (ISNE) | 422.0 MWh | Aug 1969 | Dec 2024 | Distillate Fuel Oil |
| Merrimack | Granite Shore Power | Bow, NH | ISO New England (ISNE) | 341.2 GWh | Nov 1960 | Nov 2025 | Bituminous Coal : 99.6% |
| Schiller | Granite Shore Power | Portsmouth, NH | ISO New England (ISNE) | 697.0 MWh | Sep 1952 | Nov 2025 | Jet Fuel |
| White Lake | Granite Shore Power | Tamworth, NH | ISO New England (ISNE) | 484.0 MWh | Jun 1968 | Dec 2024 | Jet Fuel |
| Gransolar Texas One, LLC | Gransolar Texas One, LLC | Thorndale, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 104.8 GWh | - | Nov 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) | 139.9 GWh | - | Nov 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) | 136.9 GWh | May 2018 | Nov 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) | 77.9 GWh | Oct 2019 | Nov 2025 | Solar |
| Greasewood II LLC | Greasewood II LLC | Girvin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 796.7 GWh | Sep 2024 | Nov 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) | 136.0 GWh | Feb 2018 | Nov 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) | 791.2 GWh | Jan 2023 | Nov 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 | Nov 2025 | Wind |
| 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 |
| Dickinson Solar Array | Great River Energy | Buffalo, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 GWh | Jul 2016 | Dec 2024 | Solar |
| Spiritwood Station | Great River Energy | Spiritwood, ND | Midcontinent Independent System Operator, Inc. (MISO) | 171.5 GWh | Oct 2014 | Nov 2025 | Natural Gas : 57.0% Refined Coal : 43.0% |
| Maple Lake | Great River Energy | Maple Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 176.0 MWh | Apr 1978 | Dec 2024 | Distillate Fuel Oil |
| 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% |
| Elk River | Great River Energy | Elk River, MN | Midcontinent Independent System Operator, Inc. (MISO) | 94.9 GWh | Dec 1950 | Nov 2025 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| 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 |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 53.3 GWh | Dec 1930 | Dec 2024 | Water |
| Bellows Falls | Great River Hydro, LLC | Bellow Falls, VT | ISO New England (ISNE) | 264.4 GWh | Feb 1928 | 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 |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 25.0 GWh | Jul 1912 | Dec 2024 | Water |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.2 GWh | Jul 1913 | Dec 2024 | Water |
| Deerfield 5 | Great River Hydro, LLC | Florida, MA | ISO New England (ISNE) | 42.1 GWh | Sep 1974 | 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 |
| S C Moore | Great River Hydro, LLC | Littleton, NH | ISO New England (ISNE) | 341.5 GWh | Dec 1956 | Dec 2024 | Water |
| Comerford | Great River Hydro, LLC | Monroe, NH | ISO New England (ISNE) | 400.5 GWh | Aug 1930 | 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) | 3.7 TWh | Jan 2002 | Nov 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 - Hartford | Green Mountain Power Corp | Hartford, VT | ISO New England (ISNE) | 7.1 GWh | Nov 2016 | Nov 2025 | Solar |
| GMP Solar - Williamstown | Green Mountain Power Corp | Williamstown, VT | ISO New England (ISNE) | 7.0 GWh | Nov 2016 | Nov 2025 | Solar |
| GMP Solar - Williston | Green Mountain Power Corp | Williston, VT | ISO New England (ISNE) | 6.1 GWh | Oct 2016 | Nov 2025 | Solar |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 1.5 GWh | Nov 1988 | 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 |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 2.3 GWh | Sep 1986 | Dec 2024 | Water |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.6 GWh | Jun 1986 | 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 |
| Searsburg Wind Turbine | Green Mountain Power Corp | Searsburg, VT | ISO New England (ISNE) | 11.4 GWh | May 1997 | Nov 2025 | Wind |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 978.0 MWh | Mar 1983 | Dec 2024 | Water |
| Kingdom Community Wind | Green Mountain Power Corp | Lowell, VT | ISO New England (ISNE) | 171.2 GWh | Oct 2012 | Nov 2025 | Wind |
| Colchester 16 | Green Mountain Power Corp | Colchester, VT | ISO New England (ISNE) | 279.0 MWh | Sep 1965 | Dec 2024 | Distillate Fuel Oil |
| Ascutney | Green Mountain Power Corp | Weatherfield, VT | ISO New England (ISNE) | 104.0 MWh | Jul 1961 | Nov 2025 | Distillate Fuel Oil |
| Essex Junction 19 | Green Mountain Power Corp | Essex Junction, VT | ISO New England (ISNE) | 33.7 GWh | Dec 1916 | Nov 2025 | Water : 99.5% |
| Marshfield 6 | Green Mountain Power Corp | Marshfield, VT | ISO New England (ISNE) | 8.1 GWh | Dec 1926 | 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 |
| Proctor | Green Mountain Power Corp | Proctor, VT | ISO New England (ISNE) | 31.2 GWh | Jul 1905 | Dec 2024 | Water |
| 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 |
| Waterbury 22 | Green Mountain Power Corp | Waterbury, VT | ISO New England (ISNE) | 15.2 GWh | May 1953 | Dec 2024 | Water |
| Vergennes 9 | Green Mountain Power Corp | Vergennes, VT | ISO New England (ISNE) | 8.0 GWh | Dec 1911 | Dec 2024 | Water |
| Gorge 18 | Green Mountain Power Corp | South Burlington, VT | ISO New England (ISNE) | 16.7 GWh | Dec 1927 | Dec 2024 | Water |
| Smith (VT) | Green Mountain Power Corp | Bradford, VT | ISO New England (ISNE) | 1.6 GWh | Nov 1982 | Dec 2024 | Water |
| Lower Middlebury | Green Mountain Power Corp | Middlebury Lower, VT | ISO New England (ISNE) | 4.3 GWh | Jul 1917 | Dec 2024 | Water |
| Glen | Green Mountain Power Corp | Rutland, VT | ISO New England (ISNE) | 6.1 GWh | Jul 1920 | Dec 2024 | Water |
| Fairfax Falls | Green Mountain Power Corp | Fairfax, VT | ISO New England (ISNE) | 20.4 GWh | Jan 1919 | Dec 2024 | Water |
| Berlin 5 | Green Mountain Power Corp | Berlin, VT | ISO New England (ISNE) | 1.4 GWh | May 1972 | Nov 2025 | Kerosene |
| 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 |
| 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 |
| Pittsford | Green Mountain Power Corp | Pittsford, VT | ISO New England (ISNE) | 8.0 GWh | Jan 1914 | 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 |
| Salisbury | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 2.0 GWh | Jan 1917 | Dec 2024 | Water |
| Silver Lake (VT) | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 4.6 GWh | Jan 1917 | Dec 2024 | Water |
| Weybridge | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 14.1 GWh | Jan 1951 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on November 2025 generation numbers.| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,511.20 GWh |
| Alaska | # 48 | 144 | 528.08 GWh |
| Arizona | # 13 | 184 | 8,245.57 GWh |
| Arkansas | # 24 | 116 | 5,216.59 GWh |
| California | # 4 | 1,736 | 15,288.71 GWh |
| Colorado | # 29 | 302 | 4,252.83 GWh |
| Connecticut | # 34 | 166 | 3,697.17 GWh |
| Delaware | # 49 | 33 | 425.33 GWh |
| District of Columbia | # 51 | 16 | 14.43 GWh |
| Florida | # 2 | 323 | 18,667.27 GWh |
| Georgia | # 8 | 262 | 11,183.00 GWh |
| Hawaii | # 47 | 73 | 801.36 GWh |
| Idaho | # 43 | 146 | 1,663.41 GWh |
| Illinois | # 5 | 384 | 14,942.91 GWh |
| Indiana | # 15 | 211 | 7,722.21 GWh |
| Iowa | # 19 | 293 | 6,283.14 GWh |
| Kansas | # 32 | 187 | 4,136.03 GWh |
| Kentucky | # 21 | 60 | 5,370.35 GWh |
| Louisiana | # 12 | 86 | 8,259.66 GWh |
| Maine | # 45 | 216 | 1,300.62 GWh |
| Maryland | # 40 | 203 | 2,568.19 GWh |
| Massachusetts | # 41 | 648 | 1,975.71 GWh |
| Michigan | # 9 | 273 | 10,785.64 GWh |
| Minnesota | # 28 | 765 | 4,723.22 GWh |
| Mississippi | # 23 | 57 | 5,274.88 GWh |
| Missouri | # 22 | 128 | 5,368.91 GWh |
| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Montana | # 39 | 71 | 2,609.34 GWh |
| Nebraska | # 35 | 129 | 3,447.15 GWh |
| Nevada | # 38 | 114 | 3,066.88 GWh |
| New Hampshire | # 44 | 60 | 1,466.90 GWh |
| New Jersey | # 27 | 393 | 4,952.95 GWh |
| New Mexico | # 36 | 144 | 3,313.38 GWh |
| New York | # 10 | 956 | 10,414.21 GWh |
| North Carolina | # 11 | 909 | 9,927.17 GWh |
| North Dakota | # 33 | 61 | 3,714.56 GWh |
| Ohio | # 6 | 198 | 11,688.48 GWh |
| Oklahoma | # 18 | 143 | 6,525.64 GWh |
| Oregon | # 20 | 275 | 5,407.05 GWh |
| Pennsylvania | # 3 | 256 | 17,277.29 GWh |
| Rhode Island | # 46 | 100 | 833.56 GWh |
| South Carolina | # 16 | 208 | 7,560.03 GWh |
| South Dakota | # 42 | 52 | 1,785.37 GWh |
| Tennessee | # 26 | 88 | 5,030.87 GWh |
| Texas | # 1 | 955 | 43,514.30 GWh |
| Utah | # 37 | 125 | 3,174.08 GWh |
| Vermont | # 50 | 117 | 164.43 GWh |
| Virginia | # 17 | 239 | 7,087.47 GWh |
| Washington | # 14 | 137 | 7,966.23 GWh |
| West Virginia | # 31 | 39 | 4,211.99 GWh |
| Wisconsin | # 25 | 250 | 5,195.24 GWh |
| Wyoming | # 30 | 71 | 4,237.64 GWh |