Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| CP Middletown Solar I LLC | Green Street Power Partners | Middletown, CT | ISO New England (ISNE) | 1.6 GWh | Nov 2019 | Dec 2025 | Solar |
| CP Middletown Solar II LLC | Green Street Power Partners | Middletown, CT | ISO New England (ISNE) | 1.6 GWh | Nov 2019 | Dec 2025 | Solar |
| Cashton Solar | Green Street Power Partners | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Aug 2019 | Dec 2025 | Solar |
| Arcadia Solar | Green Street Power Partners | Arcadia, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.2 GWh | Aug 2019 | Dec 2025 | Solar |
| GSPP Devens, LLC | Green Street Power Partners | Ayer, MA | ISO New England (ISNE) | 3.0 GWh | Dec 2018 | Dec 2025 | Solar |
| GSPP Terrawatt Westfield LLC CSG | Green Street Power Partners | Westfield, MA | ISO New England (ISNE) | 6.0 GWh | Jan 2019 | Dec 2025 | Solar |
| GSPP Raynham TMLP, LLC CSG | Green Street Power Partners | Raynham, MA | ISO New England (ISNE) | 3.7 GWh | Jan 2019 | Dec 2025 | Solar |
| Ajax Solar, LLC (MA) | Green Street Power Partners | West Bridgewater, MA | ISO New England (ISNE) | 4.4 GWh | Nov 2017 | Dec 2025 | Solar |
| Gibbon Solar | Green Street Power Partners | Gibbon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | May 2019 | Dec 2025 | Solar |
| GSPP Held LLC CSG | Green Street Power Partners | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | May 2019 | Dec 2025 | Solar |
| GSPP Imholte CSG | Green Street Power Partners | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Apr 2019 | Dec 2025 | Solar |
| Fennimore Solar | Green Street Power Partners | Fennimore, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Aug 2019 | Dec 2025 | Solar |
| St. Charles Solar | Green Street Power Partners | St Charles Township, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 GWh | Aug 2019 | Dec 2025 | Solar |
| Elroy Solar | Green Street Power Partners | Mauston, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Aug 2019 | Dec 2025 | Solar |
| Forest City Solar | Green Street Power Partners | Forest City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.6 GWh | Aug 2019 | Dec 2025 | Solar |
| New Lisbon Solar | Green Street Power Partners | New Lisbon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Aug 2019 | Dec 2025 | Solar |
| Cumberland Solar | Green Street Power Partners | Cumberland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Aug 2019 | Dec 2025 | Solar |
| GSPP 409 Ferris Road | Green Street Power Partners | Lawrence, NY | ISO New England (ISNE) | 7.7 GWh | Nov 2024 | Dec 2025 | Solar |
| Randall Road Solar II | Green Street Power Partners | Ballston Spa, NY | ISO New England (ISNE) | 3.0 GWh | Jun 2024 | Dec 2025 | Solar |
| GSPP 641 Ferris Road West | Green Street Power Partners | Lawrence, NY | ISO New England (ISNE) | 4.0 GWh | Nov 2024 | Dec 2025 | Solar |
| CBEP Solar 7 | Green Street Power Partners | Johnstown, CO | Public Service Company of Colorado (PSCO) | 9.2 GWh | Jul 2024 | Dec 2025 | Solar |
| ECA CO Greeley | Green Street Power Partners | Greeley, CO | Public Service Company of Colorado (PSCO) | 6.5 GWh | Oct 2024 | Dec 2025 | Solar |
| Randall Road Solar I | Green Street Power Partners | Ballston Spa, NY | ISO New England (ISNE) | 5.2 GWh | Jun 2024 | Dec 2025 | Solar |
| Swaggertown Solar I | Green Street Power Partners | Glenville, NY | ISO New England (ISNE) | 3.9 GWh | Oct 2024 | Dec 2025 | Solar |
| Swaggertown Solar II | Green Street Power Partners | Glenville, NY | ISO New England (ISNE) | 7.0 GWh | Aug 2024 | Dec 2025 | Solar |
| GSPP Onyx New Brunswick LLC | Green Street Power Partners | New Brunswick, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Nov 2019 | Dec 2025 | Solar |
| Sunvestment Energy Group NY 63 LLC | Green Street Power Partners | East Syracuse, NY | New York Independent System Operator (NYIS) | 2.9 GWh | Aug 2020 | Dec 2025 | Solar |
| Green River Solar | Green River Solar, LLC | Guston, KY | Midcontinent Independent System Operator, Inc. (MISO) | 396.5 GWh | Apr 2025 | Jun 2026 | Solar |
| Green River Energy Center - Hybrid | Green River Energy Center, LLC | Emery, UT | PacifiCorp East (PACE) | 46.4 GWh | - | Jun 2026 | Solar |
| Green Providence Wind II, LLC | Green Providence Wind II, LLC | Providence, RI | ISO New England (ISNE) | 4.6 GWh | Nov 2021 | Dec 2025 | Wind |
| Green Providence Wind I, LLC | Green Providence Wind I, LLC | Providence, RI | ISO New England (ISNE) | 2.1 GWh | Nov 2021 | Dec 2025 | Wind |
| Green Pastures Wind II | Green Pastures Wind II, LLC | Seymour, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 298.1 GWh | Sep 2015 | Dec 2025 | Wind |
| Green Pastures Wind I | Green Pastures Wind I, LLC | Seymour, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 255.6 GWh | Mar 2015 | Dec 2025 | Wind |
| GMP Solar - Richmond | Green Mountain Power Corp | Richmond, VT | ISO New England (ISNE) | 2.7 GWh | Sep 2016 | Jun 2026 | Solar |
| Stafford Hill Solar Hybrid | Green Mountain Power Corp | Rutland, VT | ISO New England (ISNE) | 355.0 MWh | Feb 2015 | Jun 2026 | Solar |
| GMP Solar - Panton Hybrid | Green Mountain Power Corp | Panton, VT | ISO New England (ISNE) | 8.4 GWh | Nov 2016 | Jun 2026 | Solar |
| GMP Solar - Williamstown | Green Mountain Power Corp | Williamstown, VT | ISO New England (ISNE) | 6.8 GWh | Nov 2016 | Jun 2026 | Solar |
| GMP Solar - Hartford | Green Mountain Power Corp | Hartford, VT | ISO New England (ISNE) | 7.0 GWh | Nov 2016 | Jun 2026 | Solar |
| GMP Solar - Williston | Green Mountain Power Corp | Williston, VT | ISO New England (ISNE) | 6.2 GWh | Oct 2016 | Jun 2026 | Solar |
| Kingdom Community Wind | Green Mountain Power Corp | Lowell, VT | ISO New England (ISNE) | 162.2 GWh | Oct 2012 | Jun 2026 | Wind |
| Deweys Mill | Green Mountain Power Corp | White River Jct., VT | ISO New England (ISNE) | 1.7 GWh | May 1989 | Dec 2025 | Water |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 2.8 GWh | Mar 1983 | Dec 2025 | Water |
| Huntington Falls | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 12.0 GWh | Sep 1988 | Dec 2025 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 498.0 MWh | Jun 1985 | Dec 2025 | Water |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.1 GWh | Jun 1986 | Dec 2025 | Water |
| Searsburg Wind Turbine | Green Mountain Power Corp | Searsburg, VT | ISO New England (ISNE) | 9.6 GWh | May 1997 | Jun 2026 | Wind |
| Cavendish | Green Mountain Power Corp | Cavendish, VT | ISO New England (ISNE) | 1.4 GWh | Jan 1907 | Dec 2025 | Water |
| Clark Falls | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 14.1 GWh | Jan 1937 | Dec 2025 | Water |
| Fairfax Falls | Green Mountain Power Corp | Fairfax, VT | ISO New England (ISNE) | 16.1 GWh | Jan 1919 | Dec 2025 | Water |
| Glen | Green Mountain Power Corp | Rutland, VT | ISO New England (ISNE) | 6.3 GWh | Jul 1920 | Dec 2025 | Water |
| Waterbury 22 | Green Mountain Power Corp | Waterbury, VT | ISO New England (ISNE) | 11.4 GWh | May 1953 | Dec 2025 | Water |
| Lower Middlebury | Green Mountain Power Corp | Middlebury Lower, VT | ISO New England (ISNE) | 5.2 GWh | Jul 1917 | Dec 2025 | Water |
| Milton | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 33.8 GWh | Jan 1929 | Dec 2025 | Water |
| Smith (VT) | Green Mountain Power Corp | Bradford, VT | ISO New England (ISNE) | 1.8 GWh | Nov 1982 | Dec 2025 | Water |
| Ascutney | Green Mountain Power Corp | Weatherfield, VT | ISO New England (ISNE) | 392.0 MWh | Jul 1961 | Jun 2026 | Distillate Fuel Oil |
| Peterson | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 25.1 GWh | Jan 1948 | Dec 2025 | Water |
| Pittsford | Green Mountain Power Corp | Pittsford, VT | ISO New England (ISNE) | 7.5 GWh | Jan 1914 | Dec 2025 | Water |
| Salisbury | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 2.4 GWh | Jan 1917 | Dec 2025 | Water |
| Silver Lake (VT) | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 5.2 GWh | Jan 1917 | Dec 2025 | Water |
| Vergennes 9 | Green Mountain Power Corp | Vergennes, VT | ISO New England (ISNE) | 7.7 GWh | Dec 1911 | Dec 2025 | Water |
| Proctor | Green Mountain Power Corp | Proctor, VT | ISO New England (ISNE) | 27.8 GWh | Jul 1905 | Dec 2025 | Water |
| Weybridge | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 9.7 GWh | Jan 1951 | Dec 2025 | Water |
| Beldens | Green Mountain Power Corp | New Haven, VT | ISO New England (ISNE) | 6.0 GWh | Jul 1913 | Dec 2025 | Water |
| Berlin 5 | Green Mountain Power Corp | Berlin, VT | ISO New England (ISNE) | 1.5 GWh | May 1972 | Jun 2026 | Kerosene |
| Colchester 16 | Green Mountain Power Corp | Colchester, VT | ISO New England (ISNE) | 310.0 MWh | Sep 1965 | Dec 2025 | Distillate Fuel Oil |
| Carver Falls | Green Mountain Power Corp | Hampton, NY | ISO New England (ISNE) | 4.1 GWh | Jan 1922 | Dec 2025 | Water |
| Essex Junction 19 | Green Mountain Power Corp | Essex Junction, VT | ISO New England (ISNE) | 35.0 GWh | Dec 1916 | Jun 2026 | Water : 99.0% Distillate Fuel Oil : 1.0% |
| Marshfield 6 | Green Mountain Power Corp | Marshfield, VT | ISO New England (ISNE) | 3.9 GWh | Dec 1926 | Dec 2025 | Water |
| Bolton Falls | Green Mountain Power Corp | Duxbury, VT | ISO New England (ISNE) | 6.1 GWh | Oct 1986 | Dec 2025 | Water |
| Middlesex 2 | Green Mountain Power Corp | Moretown, VT | ISO New England (ISNE) | 5.9 GWh | Dec 1927 | Dec 2025 | Water |
| West Danville 15 | Green Mountain Power Corp | Danville, VT | ISO New England (ISNE) | 2.2 GWh | Dec 1916 | Dec 2025 | Water |
| Gorge 18 | Green Mountain Power Corp | South Burlington, VT | ISO New England (ISNE) | 15.4 GWh | Dec 1927 | Dec 2025 | Water |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 202.0 MWh | Nov 1988 | Dec 2025 | Water |
| EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | ISO New England (ISNE) | 1.2 GWh | Jun 1985 | Dec 2025 | Water |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 3.0 GWh | Sep 1986 | Dec 2025 | Water |
| GMP Solar/Storage-Essex Hybrid | Green Mountain Power Corp | Essex, VT | ISO New England (ISNE) | 6.7 GWh | Aug 2019 | Jun 2026 | Solar |
| GMP Solar/Storage-Ferrisburgh Hybrid | Green Mountain Power Corp | Ferrisburgh, VT | ISO New England (ISNE) | 8.2 GWh | Aug 2019 | Jun 2026 | Solar |
| GMP Solar/Storage-Milton Hybrid | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 6.9 GWh | Aug 2019 | Jun 2026 | Solar |
| East Barnet | Green Mountain Power Corp | Barnet, VT | ISO New England (ISNE) | 4.7 GWh | Aug 1984 | Dec 2025 | Water |
| ME-EDFR-Phase I-Woolwich | Green Mile Solar, LLC | Woolwich, ME | ISO New England (ISNE) | 7.8 GWh | Aug 2023 | Dec 2025 | Solar |
| Green Energy Machine | Green Energy Machine, LLC | Anita, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | May 2016 | Dec 2025 | Wind |
| Green Cow Power | Green Cow Power LLC | Goshen, IN | Midcontinent Independent System Operator, Inc. (MISO) | 11.1 GWh | Mar 2015 | Dec 2025 | Other Biomass Gas |
| DOCCS Greene | Green Correctional Coxsackie NY Solar LLC | Coxsackie, NY | New York Independent System Operator (NYIS) | 7.8 GWh | Sep 2022 | Dec 2025 | 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 |
| Deerfield 5 | Great River Hydro, LLC | Florida, MA | ISO New England (ISNE) | 44.4 GWh | Sep 1974 | Dec 2025 | Water |
| Comerford | Great River Hydro, LLC | Monroe, NH | ISO New England (ISNE) | 296.8 GWh | Aug 1930 | Dec 2025 | Water |
| Vernon Dam | Great River Hydro, LLC | Vernon, VT | ISO New England (ISNE) | 119.5 GWh | Jul 1909 | Dec 2025 | Water |
| S C Moore | Great River Hydro, LLC | Littleton, NH | ISO New England (ISNE) | 254.7 GWh | Dec 1956 | Dec 2025 | Water |
| Wilder | Great River Hydro, LLC | Hartford, VT | ISO New England (ISNE) | 134.4 GWh | Oct 1950 | Dec 2025 | Water |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 21.5 GWh | Jul 1912 | Dec 2025 | Water |
| Sherman | Great River Hydro, LLC | Rowe, MA | ISO New England (ISNE) | 27.8 GWh | Nov 1926 | Dec 2025 | Water |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 26.5 GWh | Jul 1912 | Dec 2025 | Water |
| Searsburg | Great River Hydro, LLC | Searsburg, VT | ISO New England (ISNE) | 15.9 GWh | Feb 1922 | Dec 2025 | Water |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.4 GWh | Jul 1913 | Dec 2025 | Water |
| Bellows Falls | Great River Hydro, LLC | Bellow Falls, VT | ISO New England (ISNE) | 194.3 GWh | Feb 1928 | Dec 2025 | Water |
| Harriman | Great River Hydro, LLC | Whitingham, VT | ISO New England (ISNE) | 98.2 GWh | Apr 1924 | Dec 2025 | Water |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 39.1 GWh | Dec 1930 | Dec 2025 | Water |
| Rock Lake CT | Great River Energy | Pine City, MN | Midcontinent Independent System Operator, Inc. (MISO) | 449.0 MWh | Mar 1978 | Dec 2025 | Distillate Fuel Oil |
| St Bonifacius | Great River Energy | St. Bonifacius, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | May 1978 | Dec 2025 | Distillate Fuel Oil |
| Dickinson Solar Array | Great River Energy | Buffalo, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.4 GWh | Jul 2016 | Dec 2025 | Solar |
Summary of Power Plants By State
Figures are based on June 2026 generation numbers.| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 77 | 12,594.28 GWh |
| Alaska | # 48 | 140 | 563.53 GWh |
| Arizona | # 11 | 199 | 11,138.97 GWh |
| Arkansas | # 21 | 117 | 6,425.86 GWh |
| California | # 4 | 1,744 | 17,197.11 GWh |
| Colorado | # 29 | 309 | 4,933.21 GWh |
| Connecticut | # 34 | 173 | 3,737.86 GWh |
| Delaware | # 49 | 35 | 376.53 GWh |
| District of Columbia | # 51 | 17 | 18.29 GWh |
| Florida | # 2 | 342 | 26,309.59 GWh |
| Georgia | # 7 | 250 | 13,880.75 GWh |
| Hawaii | # 47 | 70 | 767.91 GWh |
| Idaho | # 41 | 152 | 2,099.32 GWh |
| Illinois | # 5 | 494 | 16,673.62 GWh |
| Indiana | # 18 | 222 | 8,401.10 GWh |
| Iowa | # 23 | 297 | 6,139.01 GWh |
| Kansas | # 25 | 188 | 5,758.25 GWh |
| Kentucky | # 22 | 61 | 6,181.49 GWh |
| Louisiana | # 15 | 90 | 9,779.36 GWh |
| Maine | # 45 | 242 | 1,215.46 GWh |
| Maryland | # 36 | 228 | 3,591.08 GWh |
| Massachusetts | # 44 | 666 | 1,410.23 GWh |
| Michigan | # 14 | 276 | 9,804.74 GWh |
| Minnesota | # 30 | 790 | 4,889.70 GWh |
| Mississippi | # 20 | 60 | 6,899.16 GWh |
| Missouri | # 24 | 129 | 6,066.44 GWh |
| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,225.73 GWh |
| Nebraska | # 39 | 126 | 3,184.64 GWh |
| Nevada | # 31 | 117 | 4,654.59 GWh |
| New Hampshire | # 43 | 57 | 1,659.52 GWh |
| New Jersey | # 28 | 398 | 5,055.63 GWh |
| New Mexico | # 33 | 159 | 4,408.01 GWh |
| New York | # 10 | 1,064 | 11,564.60 GWh |
| North Carolina | # 8 | 913 | 12,773.20 GWh |
| North Dakota | # 35 | 59 | 3,713.80 GWh |
| Ohio | # 6 | 213 | 13,969.06 GWh |
| Oklahoma | # 17 | 144 | 9,156.03 GWh |
| Oregon | # 27 | 281 | 5,322.08 GWh |
| Pennsylvania | # 3 | 259 | 21,018.65 GWh |
| Rhode Island | # 46 | 107 | 854.92 GWh |
| South Carolina | # 16 | 209 | 9,442.42 GWh |
| South Dakota | # 42 | 53 | 1,803.66 GWh |
| Tennessee | # 19 | 99 | 7,036.17 GWh |
| Texas | # 1 | 1,028 | 57,844.67 GWh |
| Utah | # 38 | 129 | 3,196.09 GWh |
| Vermont | # 50 | 118 | 180.62 GWh |
| Virginia | # 12 | 250 | 10,352.13 GWh |
| Washington | # 13 | 135 | 10,051.77 GWh |
| West Virginia | # 32 | 41 | 4,489.44 GWh |
| Wisconsin | # 26 | 266 | 5,542.48 GWh |
| Wyoming | # 37 | 69 | 3,318.53 GWh |