Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 158th Fighter Wing Solar Farm | 158th Fighter Wing | South Burlington, VT | ISO New England (ISNE) | 1.5 GWh | Aug 2011 | Dec 2025 | Solar |
| Westport MA 1 Community Solar | Navisun LLC | Westport, MA | ISO New England (ISNE) | 2.1 GWh | Aug 2016 | Dec 2025 | Solar |
| Onondaga County- Clearwater | Tesla Inc. | Oswego, NY | ISO New England (ISNE) | 2.5 GWh | Jun 2017 | Dec 2025 | Solar |
| Greene County Meter #1 | Tesla Inc. | Cairo, NY | ISO New England (ISNE) | 2.0 GWh | Jan 2018 | Dec 2025 | Solar |
| Limerick Road Solar Farm | Limerick Road Solar, LLC | Shelburne, VT | ISO New England (ISNE) | 3.0 GWh | Nov 2013 | Dec 2025 | Solar |
| Stafford Hill Solar Hybrid | Green Mountain Power Corp | Rutland, VT | ISO New England (ISNE) | 355.0 MWh | Feb 2015 | Jun 2026 | Solar |
| CMEEC - Norwich Stott St Solar Hybrid | Tesla Inc. | Norwich, CT | ISO New England (ISNE) | 3.6 GWh | Nov 2016 | Dec 2025 | Solar |
| Southbridge Solar | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 1.3 GWh | Feb 2016 | Aug 2026 | Solar |
| Rising Paper | Altus Power America Management, LLC | Great Barrington, MA | ISO New England (ISNE) | 3.4 GWh | Apr 2016 | Dec 2025 | Solar |
| Belchertown | Altus Power America Management, LLC | Belchertown, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2015 | Dec 2025 | Solar |
| West Groton CHP | Hollingsworth & Vose Co West Groton | Groton, MA | ISO New England (ISNE) | 20.9 GWh | Nov 2015 | Dec 2025 | Natural Gas |
| West Brookfield Solar, LLC | CVI CleanCapital Solar 7 | West Brookfield, MA | ISO New England (ISNE) | 1.9 GWh | Dec 2015 | Dec 2025 | Solar |
| Solar Mule, LLC | Solar Mule, LLC | Oakland, ME | ISO New England (ISNE) | 2.1 GWh | Aug 2017 | Dec 2025 | Solar |
| Rail Trail | Altus Power America Management, LLC | Great Barrington, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2016 | Dec 2025 | Solar |
| Renew Canal 1 CSG LLC | NRG Renew Canal 1 LLC | Sandwich, MA | ISO New England (ISNE) | 1.9 GWh | May 2017 | Dec 2025 | Solar |
| CED Westfield Solar, LLC | RWE Clean Energy | Westfield, MA | ISO New England (ISNE) | 2.7 GWh | Jul 2016 | Dec 2025 | Solar |
| Worcester Landfill | City of Worcester DPW - (MA) | Worcester, MA | ISO New England (ISNE) | 7.9 GWh | Apr 2017 | Dec 2025 | Solar |
| Morin Solar 2013 LLC | CVI CleanCapital Solar 6 | Warren, MA | ISO New England (ISNE) | 5.1 GWh | Nov 2013 | Dec 2025 | Solar |
| Brookfield Solar 2013 LLC | CVI CleanCapital Solar 6 | North Brookfield, MA | ISO New England (ISNE) | 2.6 GWh | Nov 2013 | Dec 2025 | Solar |
| CMEEC - Navy NE Trident | Tesla Inc. | Groton, CT | ISO New England (ISNE) | 1.2 GWh | May 2017 | Dec 2025 | Solar |
| WYM 1250 Palmer LLC | CVI CleanCapital Solar 6 | Palmer, MA | ISO New England (ISNE) | 1.5 GWh | Aug 2013 | Dec 2025 | Solar |
| Southern Sky Renew Energy Berkley LLC | Southern Sky Renewable Energy Berkley, LLC | Berkley, MA | ISO New England (ISNE) | 4.2 GWh | May 2014 | Dec 2025 | Solar |
| Westport MA 2 Community Solar | Navisun LLC | Westport, MA | ISO New England (ISNE) | 1.5 GWh | Aug 2016 | Dec 2025 | Solar |
| Winchendon Solar | Altus Power America Management, LLC | Winchendon, MA | ISO New England (ISNE) | 2.7 GWh | Mar 2014 | Dec 2025 | Solar |
| Chicopee River Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 2.9 GWh | Dec 2014 | Dec 2025 | Solar |
| Town of Needham VNEM CSG | Tesla Inc. | Needham, MA | ISO New England (ISNE) | 4.1 GWh | Jan 2016 | Dec 2025 | Solar |
| Advance Stores Company, Inc | Tesla Inc. | Enfield, CT | ISO New England (ISNE) | 1.0 GWh | Oct 2014 | Mar 2025 | Solar |
| UDR Glastonbury Fuel Cell | UIL Distributed Resources, LLC | Glastonbury, CT | ISO New England (ISNE) | 15.8 GWh | Jan 2016 | Dec 2025 | Natural Gas |
| St. Albans SPEED Project | St. Albans Solar Partners, LLC | St. Albans, VT | ISO New England (ISNE) | 2.0 GWh | Nov 2013 | Dec 2025 | Solar |
| Upper Blackstone (MA) Treasure Valley | Nexamp Treasure Valley Solar, LLC | Rutland, MA | ISO New England (ISNE) | 6.2 GWh | Jun 2014 | Dec 2025 | Solar |
| New Bedford (MA) Plymouth | BWC Origination 4, LLC | Plymouth, MA | ISO New England (ISNE) | 7.0 GWh | Jun 2014 | Dec 2025 | Solar |
| RGS-Rutland VNM SREC II Project (MA) | TerraForm Solar XVII, LLC | Rutland, MA | ISO New England (ISNE) | 2.7 GWh | Oct 2015 | Dec 2025 | Solar |
| Adams Farm Solar | Altus Power America Management, LLC | Athol, MA | ISO New England (ISNE) | 3.5 GWh | Sep 2013 | Dec 2025 | Solar |
| UI RCP New Haven Fuel Cell | United Illuminating Co | New Haven, CT | ISO New England (ISNE) | 20.5 GWh | Jul 2015 | Aug 2026 | Natural Gas |
| Concord Solar Farm | Kearsarge Solar LLC | Concord, MA | ISO New England (ISNE) | 1.9 GWh | Mar 2014 | Dec 2025 | Solar |
| Chester Solar Farm | Kearsarge Solar LLC | Chester, MA | ISO New England (ISNE) | 6.0 GWh | May 2014 | Dec 2025 | Solar |
| Barton Solar Farm | Barton Solar, LLC | Barton, VT | ISO New England (ISNE) | 2.5 GWh | Oct 2014 | Dec 2025 | Solar |
| Syncarpha Palmer, LLC | Syncarpha Palmer, LLC | Palmer, MA | ISO New England (ISNE) | 7.2 GWh | Nov 2015 | Dec 2025 | Solar |
| Barre II Solar Project | Kearsarge Solar LLC | Barre, MA | ISO New England (ISNE) | 2.1 GWh | Mar 2014 | Dec 2025 | Solar |
| Stetson Road Solar - Barre I | Kearsarge Solar LLC | Barre, MA | ISO New England (ISNE) | 1.8 GWh | Apr 2014 | Dec 2025 | Solar |
| Sullivan Solar | Altus Power America Management, LLC | New Bedford, MA | ISO New England (ISNE) | 2.1 GWh | Jul 2014 | Dec 2025 | Solar |
| Future Generation Wind | RWE Clean Energy | Plymouth, MA | ISO New England (ISNE) | 12.2 GWh | Jul 2016 | Nov 2025 | Wind |
| Leominster (MA)-South Street-R&D | South Street Solar, LLC | Tewksbury, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2013 | Dec 2025 | Solar |
| Chester Power Partners | Altus Power America Management, LLC | North Chester, VT | ISO New England (ISNE) | 2.4 GWh | Oct 2014 | Dec 2025 | Solar |
| UI RCP Bridgeport Seaside | United Illuminating Co | Bridgeport, CT | ISO New England (ISNE) | 18.1 GWh | Oct 2015 | Aug 2026 | Natural Gas : 85.6% Solar : 14.4% |
| BlueWave Capital - Grafton (SREC II) | TerraForm Solar XVII, LLC | Grafton, MA | ISO New England (ISNE) | 1.9 GWh | Feb 2015 | Dec 2025 | Solar |
| Ayers Village Solar | Altus Power America Management, LLC | Methuen, MA | ISO New England (ISNE) | 2.8 GWh | May 2014 | Dec 2025 | Solar |
| Bourne (MA) - Holliston I | NVT LICENSES, LLC | Holliston, MA | ISO New England (ISNE) | 3.5 GWh | Nov 2014 | Dec 2025 | Solar |
| Monson Solar | Altus Power America Management, LLC | Monson, MA | ISO New England (ISNE) | 3.8 GWh | Jun 2014 | Dec 2025 | Solar |
| Twiss Street Solar | Citizens Enterprises Corporation | Westfield, MA | ISO New England (ISNE) | 1.9 GWh | Dec 2014 | Mar 2025 | Solar |
| Tisbury Landfill Solar | Clean Focus Yield, LLC | Tisbury, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2014 | Dec 2025 | Solar |
| Pepperidge Farm Bloomfield | Pepperidge Farm, Inc.- Bloomfield | Bloomfield, CT | ISO New England (ISNE) | 15.5 GWh | Jul 2008 | Dec 2024 | Natural Gas |
| Mashpee Landfill Solar | Nautilus Solar Solutions | Mashpee, MA | ISO New England (ISNE) | 2.0 GWh | Aug 2014 | Dec 2025 | Solar |
| Antrim Wind | Antrim Wind Energy LLC | Antrim, NH | ISO New England (ISNE) | 79.4 GWh | Nov 2019 | Aug 2026 | Wind |
| Acton Solar Landfill | Heliovaas LLC | Acton, MA | ISO New England (ISNE) | 475.0 MWh | Nov 2013 | Dec 2025 | Solar |
| Hunt Road Solar | Citizens Enterprises Corporation | Amesbury, MA | ISO New England (ISNE) | 7.0 GWh | Nov 2016 | Dec 2025 | Solar |
| True North | CD US Solar MT1 LLC | Salisbury, MA | ISO New England (ISNE) | 6.0 GWh | Jul 2012 | Dec 2025 | Solar |
| Grafton Solar | CD US Solar MT 2 LLC | Grafton, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2013 | Dec 2025 | Solar |
| Shaffer | CD US Solar MT3, LLC | Billerica, MA | ISO New England (ISNE) | 6.4 GWh | Aug 2014 | Dec 2025 | Solar |
| Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 228.1 GWh | Feb 2019 | Aug 2026 | Natural Gas : 94.6% Kerosene : 5.4% |
| Lowell Solar Landfill | Heliovaas LLC | Lowell, MA | ISO New England (ISNE) | 1.2 GWh | Nov 2013 | Dec 2025 | Solar |
| Oxford | CVI CleanCapital Solar 6 | Oxford, MA | ISO New England (ISNE) | 3.1 GWh | Jun 2014 | Dec 2025 | Solar |
| Backus Microgrid Project | Connecticut Mun Elec Engy Coop | Norwich, CT | ISO New England (ISNE) | 823.0 MWh | Jul 2014 | Aug 2026 | Distillate Fuel Oil |
| Johnston Solar | Concord New Energy | Town of Johnston, RI | ISO New England (ISNE) | 1.8 GWh | Jun 2015 | Dec 2025 | Solar |
| Williamsburg Solar LLC VNEM CSG | Tesla Inc. | Haydenville, MA | ISO New England (ISNE) | 1.0 GWh | Jan 2016 | Dec 2025 | Solar |
| Spring Hill Road | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 286.0 MWh | Nov 2015 | Aug 2026 | Solar |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 9.4 GWh | Aug 2013 | Dec 2025 | Water |
| Westborough Solar LLC | SunRay Power LLC | Westborough, MA | ISO New England (ISNE) | 2.2 GWh | Mar 2014 | Dec 2025 | Solar |
| BJ's Wholesale Club, Inc- Uxbridge | Tesla Inc. | Uxbridge, MA | ISO New England (ISNE) | 270.0 MWh | Jun 2017 | Dec 2024 | Solar |
| 201 Sturbridge B | Altus Power America Management, LLC | Brimfield, MA | ISO New England (ISNE) | 2.5 GWh | May 2014 | Dec 2025 | Solar |
| 205 Sturbridge A | Altus Power America Management, LLC | Brimfield, MA | ISO New England (ISNE) | 3.8 GWh | May 2014 | Dec 2025 | Solar |
| Hunt Farm Solar | Altus Power America Management, LLC | Orange, MA | ISO New England (ISNE) | 3.3 GWh | Aug 2013 | Dec 2025 | Solar |
| Orono B | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 17.2 GWh | Oct 2013 | Dec 2025 | Water |
| Town of Halfmoon | Tesla Inc. | Waterford, NY | ISO New England (ISNE) | 680.0 MWh | May 2017 | Dec 2025 | Solar |
| Granby LFG | Industrial Power Services Corp. | Granby, MA | ISO New England (ISNE) | 1.7 GWh | Aug 2001 | Dec 2025 | Landfill Gas |
| Hewlett-Packard (HP) - Andover, MA | Tesla Inc. | Andover, MA | ISO New England (ISNE) | 2.3 GWh | May 2017 | Dec 2025 | Solar |
| Oneida County- DPW | Tesla Inc. | Oriskany, NY | ISO New England (ISNE) | 1.4 GWh | Sep 2017 | Dec 2025 | Solar |
| Antares-GRE 314 East Lyme LLC | MN8 Energy LLC | East Lyme, CT | ISO New England (ISNE) | 4.4 GWh | May 2014 | Aug 2026 | Solar |
| Clarendon Solar Farm | Clarendon Solar Farm, LLC | North Clarendon, VT | ISO New England (ISNE) | 2.9 GWh | Jun 2014 | Dec 2025 | Solar |
| NBC Field's Point Wind Farm | Narragansett Bay Commission | Providence, RI | ISO New England (ISNE) | 6.6 GWh | Sep 2012 | Aug 2026 | Wind |
| Claire Solar Farm | Claire Solar Partners LLC | South Burlington, VT | ISO New England (ISNE) | 4.1 GWh | Jun 2014 | Dec 2025 | Solar |
| Subase Microgrid Project | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 29.6 GWh | Nov 2022 | Dec 2025 | Natural Gas |
| Charlton Solar I CSG | Charlton Solar I, LLC | Charlton, MA | ISO New England (ISNE) | 5.3 GWh | Nov 2014 | Dec 2025 | Solar |
| Leominster | Syncarpha Massachusetts, LLC | Leominster, MA | ISO New England (ISNE) | 2.6 GWh | Apr 2015 | Dec 2025 | Solar |
| Browne Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.4 GWh | Mar 2014 | Dec 2025 | Solar |
| Main Street Solar Project | Greenbacker Renewable Energy Corporation | Rutland, VT | ISO New England (ISNE) | 2.1 GWh | Nov 2014 | Dec 2025 | Solar |
| North Adams Landfill | Syncarpha North Adams, LLC | North Adams, MA | ISO New England (ISNE) | 3.3 GWh | Sep 2015 | Dec 2025 | Solar |
| Fisher Road Solar | Fisher Road Solar I, LLC | Dartmouth, MA | ISO New England (ISNE) | 7.1 GWh | Apr 2015 | Dec 2025 | Solar |
| Palmer Landfill | Syncarpha Bondsville, LLC | Palmer, MA | ISO New England (ISNE) | 6.0 GWh | Nov 2016 | Dec 2025 | Solar |
| Devens | Altus Power America Management, LLC | Shirley, MA | ISO New England (ISNE) | 4.6 GWh | May 2014 | Dec 2025 | Solar |
| BWC Swan Pond River CSG | BWC Swan Pond River, LLC | Rehoboth, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2015 | Dec 2025 | Solar |
| Framingham State University Plant | Framingham State University | Framingham, MA | ISO New England (ISNE) | 53.0 MWh | May 1974 | Aug 2026 | Solar : 66.0% Distillate Fuel Oil : 34.0% |
| Charlotte Solar LLC VT | Altus Power America Management, LLC | Charlotte, VT | ISO New England (ISNE) | 2.9 GWh | Jun 2014 | Dec 2025 | Solar |
| Indian Hill Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.4 GWh | Mar 2014 | Dec 2025 | Solar |
| Chicopee Granby Road Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 2.4 GWh | Dec 2014 | Dec 2025 | Solar |
| KS Solar Six LLC | Kearsarge Solar LLC | Hubbardston, MA | ISO New England (ISNE) | 2.8 GWh | Nov 2013 | Dec 2025 | Solar |
| Templeton | Sunny Templeton, LLC | Templeton, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2014 | Dec 2025 | Solar |
| 265 Pleasant Solar NG, LLC | NuGen Capital Management | Lunenburg, MA | ISO New England (ISNE) | 1.3 GWh | Jun 2014 | Dec 2025 | Solar |
| State Street Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.5 GWh | Mar 2014 | Dec 2025 | Solar |
| Scituate Wind | Scituate Wind LLC | Scituate, MA | ISO New England (ISNE) | 2.5 GWh | Feb 2012 | Dec 2025 | Wind |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |