Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Happy Hollow CSG Hybrid | REA Investments, LLC | Winchendon, MA | ISO New England (ISNE) | 8.6 GWh | Sep 2019 | Dec 2024 | Solar |
| Winchendon Landfill Solar | Onyx Asset Services Group | Winchendon, MA | ISO New England (ISNE) | 2.8 GWh | Sep 2018 | Dec 2024 | Solar |
| BWC Wareham River | BWC Wareham River, LLC | Wareham, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2018 | Dec 2024 | Solar |
| Founders Homestead Farms Solar | AES Distributed Energy | Portsmouth, RI | ISO New England (ISNE) | 6.1 GWh | Nov 2019 | Aug 2025 | Solar |
| North Stonington Solar Center, LLC | Adapture Renewables, Inc. | North Stonington, CT | ISO New England (ISNE) | 30.5 GWh | Sep 2022 | Dec 2024 | Solar |
| Hopkinton CSG | Altus Power America Management, LLC | Hopkinton, MA | ISO New England (ISNE) | 2.8 GWh | Mar 2019 | Dec 2024 | Solar |
| Dynamic - Walpole | AES Distributed Energy | Walpole, MA | ISO New England (ISNE) | 2.6 GWh | May 2017 | Dec 2024 | Solar |
| Bridgewater Complex Co-Generation Plant | Massachusetts Department of Correction | Bridgewater, MA | ISO New England (ISNE) | 1.1 GWh | Oct 2015 | Dec 2024 | Natural Gas |
| Barre Solar III LLC | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 1.5 GWh | Feb 2018 | Dec 2024 | Solar |
| BWC Origination 18 | BWC Origination 18, LLC | Mattapoisett, MA | ISO New England (ISNE) | 7.6 GWh | Nov 2018 | Dec 2024 | Solar |
| BWC Gibbs Brook | BWC Gibbs Brook, LLC | Wareham, MA | ISO New England (ISNE) | 6.4 GWh | Nov 2018 | Dec 2024 | Solar |
| Richmond NMCA | AES Distributed Energy | Wood River Junction, RI | ISO New England (ISNE) | 6.0 GWh | Nov 2018 | Aug 2025 | Solar |
| BWC Harlow Brook | BWC Harlow Brook, LLC | Wareham, MA | ISO New England (ISNE) | 2.2 GWh | Nov 2018 | Dec 2024 | Solar |
| BWC Pocasset River | BWC Pocasset River, LLC | Wareham, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2018 | Dec 2024 | Solar |
| Palmer | AES Distributed Energy | Palmer, MA | ISO New England (ISNE) | 5.9 GWh | Sep 2019 | Dec 2024 | Solar |
| GMP Solar/Storage-Milton Hybrid | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 7.7 GWh | Aug 2019 | Aug 2025 | Solar : 97.9% Electricity used for energy storage : 2.1% |
| GMP Solar/Storage-Ferrisburgh Hybrid | Green Mountain Power Corp | Ferrisburgh, VT | ISO New England (ISNE) | 8.2 GWh | Aug 2019 | Aug 2025 | Solar : 98.3% Electricity used for energy storage : 1.7% |
| GMP Solar/Storage-Essex Hybrid | Green Mountain Power Corp | Essex, VT | ISO New England (ISNE) | 7.1 GWh | Aug 2019 | Aug 2025 | Solar : 97.9% Electricity used for energy storage : 2.1% |
| MHG Wallingford | Standard Solar | Wallingford, VT | ISO New England (ISNE) | 3.7 GWh | Nov 2019 | Dec 2024 | Solar |
| Hatfield Solar PV | NSTAR Electric Company | Hatfield, MA | ISO New England (ISNE) | 5.7 GWh | Nov 2018 | Dec 2024 | Solar |
| Carver CSG | Altus Power America Management, LLC | Carver, MA | ISO New England (ISNE) | 3.6 GWh | Apr 2019 | Dec 2024 | Solar |
| Westtown CSG | Altus Power America Management, LLC | Westtown, NY | ISO New England (ISNE) | 3.2 GWh | Apr 2019 | Dec 2024 | Solar |
| Plymouth Solar | NSTAR Electric Company | Plymouth, MA | ISO New England (ISNE) | 1.5 GWh | May 2018 | Dec 2024 | Solar |
| Lee Site 31 Solar | NSTAR Electric Company | Lee, MA | ISO New England (ISNE) | 2.0 GWh | Jul 2018 | Apr 2024 | Solar |
| Pittsfield 44 - M&W PV | NSTAR Electric Company | Pittsfield, MA | ISO New England (ISNE) | 1.7 GWh | Jul 2018 | Dec 2024 | Solar |
| Dry Bridge Solar (Brown University) | MN8 Energy LLC | North Kingstown, RI | ISO New England (ISNE) | 68.5 GWh | Oct 2023 | Aug 2025 | Solar |
| Hadley 2 Solar, LLC CSG | Hadley 2 Solar, LLC | Hadley, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2016 | Dec 2024 | Solar |
| East Bridgewater Solar | Altus Power America Management, LLC | East Bridgewater, MA | ISO New England (ISNE) | 3.4 GWh | Oct 2017 | Dec 2024 | Solar |
| Griffin Road Solar, LLC CSG | Griffin Road Solar, LLC | Charlton, MA | ISO New England (ISNE) | 3.2 GWh | Feb 2018 | Dec 2024 | Solar |
| Ashby Solar, LLC CSG | Ashby Solar, LLC | Fitchburg, MA | ISO New England (ISNE) | 3.0 GWh | Jun 2018 | Dec 2024 | Solar |
| Dudley Solar CSG | Dudley Solar, LLC | Dudley, MA | ISO New England (ISNE) | 2.8 GWh | Jul 2017 | Dec 2024 | Solar |
| Westminster Renewables, LLC CSG | Westminster Renewables, LLC | Westminster, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2018 | Dec 2024 | Solar |
| Williamsburg | AES Distributed Energy | Goshen, MA | ISO New England (ISNE) | 6.6 GWh | Jun 2019 | Dec 2024 | Solar |
| Monson Solar, LLC | Monson Solar, LLC | Monson, MA | ISO New England (ISNE) | 3.3 GWh | Jul 2017 | Dec 2024 | Solar |
| 10 Briggs Solar NG, LLC (East) | NuGen Capital Management | East Greenwich, RI | ISO New England (ISNE) | 7.5 GWh | May 2021 | Dec 2024 | Solar |
| Coolidge Solar 1, LLC | Coolidge Solar I, LLC | Ludlow, VT | ISO New England (ISNE) | 23.7 GWh | Nov 2018 | Aug 2025 | Solar |
| WED Shun I, LLC | WED Shun I, LLC | Johnston, RI | ISO New England (ISNE) | 7.4 GWh | Dec 2018 | Aug 2025 | Wind |
| Westminster | MN8 Energy LLC | Westminster, VT | ISO New England (ISNE) | 2.8 GWh | Nov 2016 | Dec 2024 | Solar |
| WED Shun II, LLC | WED Shun II, LLC | Johnston, RI | ISO New England (ISNE) | 6.5 GWh | Dec 2018 | Dec 2024 | Wind |
| WED Green Hill, LLC | WED Green Hill, LLC | Johnston, RI | ISO New England (ISNE) | 6.8 GWh | Dec 2018 | Aug 2025 | Wind |
| Digital Fairfield | Bloom Energy | Trumbull, CT | ISO New England (ISNE) | 10.1 GWh | May 2018 | Jun 2024 | Natural Gas |
| CED Northampton Solar LLC Hybrid | Consolidated Edison Development Inc. | Northampton, MA | ISO New England (ISNE) | 6.8 GWh | Nov 2019 | Dec 2024 | Solar |
| Ludlow Site 72 - Conti | NSTAR Electric Company | Ludlow, MA | ISO New England (ISNE) | 2.5 GWh | Jul 2018 | Dec 2024 | Solar |
| East Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2018 | Dec 2024 | Solar |
| WED Shun III, LLC | WED Shun III, LLC | Johnston, RI | ISO New England (ISNE) | 6.6 GWh | Dec 2018 | Dec 2024 | Wind |
| Montague Site 36-Grosolar | NSTAR Electric Company | Millers Falls, MA | ISO New England (ISNE) | 5.9 GWh | Sep 2018 | Aug 2025 | Solar |
| Sunderland Solar PV | NSTAR Electric Company | Sunderland, MA | ISO New England (ISNE) | 1.7 GWh | Aug 2018 | Dec 2024 | Solar |
| WED Plainfield II, LLC | WED Plainfield II, LLC | Johnston, RI | ISO New England (ISNE) | 5.9 GWh | Dec 2018 | Dec 2024 | Wind |
| WED Plainfield III, LLC | WED Plainfield III, LLC | Johnston, RI | ISO New England (ISNE) | 6.1 GWh | Dec 2018 | Dec 2024 | Wind |
| WED GW Solar, LLC | CleanCapital Holdings | Lincoln, RI | ISO New England (ISNE) | 4.4 GWh | Dec 2018 | Dec 2024 | Solar |
| 205 Sturbridge A | Altus Power America Management, LLC | Brimfield, MA | ISO New England (ISNE) | 2.9 GWh | May 2014 | Dec 2024 | Solar |
| Johnston Solar | Concord New Energy | Town of Johnston, RI | ISO New England (ISNE) | 1.7 GWh | Jun 2015 | Dec 2024 | Solar |
| Oxford | CVI CleanCapital Solar 6 | Oxford, MA | ISO New England (ISNE) | 4.2 GWh | Jun 2014 | Dec 2024 | Solar |
| Spring Hill Road | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 744.0 MWh | Nov 2015 | Aug 2025 | Solar |
| Backus Microgrid Project | Connecticut Mun Elec Engy Coop | Norwich, CT | ISO New England (ISNE) | 800.0 MWh | Jul 2014 | Aug 2025 | Distillate Fuel Oil |
| Acton Solar Landfill | Heliovaas LLC | Acton, MA | ISO New England (ISNE) | 1.9 GWh | Nov 2013 | Nov 2024 | Solar |
| North Adams Landfill | Syncarpha North Adams, LLC | North Adams, MA | ISO New England (ISNE) | 3.5 GWh | Sep 2015 | Dec 2024 | Solar |
| Advance Stores Company, Inc | Tesla Inc. | Enfield, CT | ISO New England (ISNE) | 1.1 GWh | Oct 2014 | Dec 2024 | Solar |
| 201 Sturbridge B | Altus Power America Management, LLC | Brimfield, MA | ISO New England (ISNE) | 2.1 GWh | May 2014 | Dec 2024 | Solar |
| Antrim Wind | Antrim Wind Energy LLC | Antrim, NH | ISO New England (ISNE) | 75.3 GWh | Nov 2019 | Aug 2025 | Wind |
| Hunt Farm Solar | Altus Power America Management, LLC | Orange, MA | ISO New England (ISNE) | 3.4 GWh | Aug 2013 | Dec 2024 | Solar |
| Granby LFG | Industrial Power Services Corp. | Granby, MA | ISO New England (ISNE) | 3.1 GWh | Aug 2001 | Dec 2024 | Landfill Gas |
| Fisher Road Solar | Fisher Road Solar I, LLC | Dartmouth, MA | ISO New England (ISNE) | 7.8 GWh | Apr 2015 | Dec 2024 | Solar |
| Orange County Solar Farm (NY) | Tesla Inc. | Goshen, NY | ISO New England (ISNE) | 2.5 GWh | Apr 2017 | Dec 2024 | Solar |
| Orono B | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 21.3 GWh | Oct 2013 | Dec 2024 | Water |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 10.5 GWh | Aug 2013 | Dec 2024 | Water |
| Palmer Landfill | Syncarpha Bondsville, LLC | Palmer, MA | ISO New England (ISNE) | 6.3 GWh | Nov 2016 | Dec 2024 | Solar |
| Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 178.3 GWh | Feb 2019 | Aug 2025 | Natural Gas : 97.8% Kerosene : 2.2% |
| Monson Solar | Altus Power America Management, LLC | Monson, MA | ISO New England (ISNE) | 4.0 GWh | Jun 2014 | Dec 2024 | Solar |
| Sullivan Solar | Altus Power America Management, LLC | New Bedford, MA | ISO New England (ISNE) | 2.2 GWh | Jul 2014 | Dec 2024 | Solar |
| Winchendon Solar | Altus Power America Management, LLC | Winchendon, MA | ISO New England (ISNE) | 2.5 GWh | Mar 2014 | Dec 2024 | Solar |
| Mashpee Landfill Solar | Nautilus Solar Solutions | Mashpee, MA | ISO New England (ISNE) | 2.3 GWh | Aug 2014 | Dec 2024 | Solar |
| Hunt Road Solar | Citizens Enterprises Corporation | Amesbury, MA | ISO New England (ISNE) | 7.2 GWh | Nov 2016 | Dec 2024 | Solar |
| KS Solar Six LLC | Kearsarge Solar LLC | Hubbardston, MA | ISO New England (ISNE) | 2.9 GWh | Nov 2013 | Dec 2024 | Solar |
| UI RCP New Haven Fuel Cell | United Illuminating Co | New Haven, CT | ISO New England (ISNE) | 13.1 GWh | Jul 2015 | Aug 2025 | Natural Gas |
| Clarendon Solar Farm | Clarendon Solar Farm, LLC | North Clarendon, VT | ISO New England (ISNE) | 3.0 GWh | Jun 2014 | Dec 2024 | Solar |
| Claire Solar Farm | Claire Solar Partners LLC | South Burlington, VT | ISO New England (ISNE) | 3.6 GWh | Jun 2014 | Dec 2024 | Solar |
| Syncarpha Palmer, LLC | Syncarpha Palmer, LLC | Palmer, MA | ISO New England (ISNE) | 7.4 GWh | Nov 2015 | Dec 2024 | Solar |
| UI RCP Bridgeport Seaside | United Illuminating Co | Bridgeport, CT | ISO New England (ISNE) | 21.1 GWh | Oct 2015 | Aug 2025 | Natural Gas : 85.0% Solar : 15.0% |
| Antares-GRE 314 East Lyme LLC | MN8 Energy LLC | East Lyme, CT | ISO New England (ISNE) | 3.7 GWh | May 2014 | Aug 2025 | Solar |
| Pepperidge Farm Bloomfield | Pepperidge Farm, Inc.- Bloomfield | Bloomfield, CT | ISO New England (ISNE) | 15.5 GWh | Jul 2008 | Dec 2024 | Natural Gas |
| St. Albans SPEED Project | St. Albans Solar Partners, LLC | St. Albans, VT | ISO New England (ISNE) | 2.0 GWh | Nov 2013 | Dec 2024 | Solar |
| Federal Road Solar 1, LLC CSG | Federal Road Solar 1, LLC | South Carver, MA | ISO New England (ISNE) | 7.6 GWh | Nov 2015 | Dec 2024 | Solar |
| BWC Swan Pond River CSG | BWC Swan Pond River, LLC | Rehoboth, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2015 | Dec 2024 | Solar |
| Hadley Solar NG, LLC | NuGen Capital Management | Hadley, MA | ISO New England (ISNE) | 3.4 GWh | Jun 2014 | Dec 2024 | Solar |
| CMEEC - Bozrah | Tesla Inc. | Bozrah, CT | ISO New England (ISNE) | 3.0 GWh | Nov 2016 | Dec 2024 | Solar |
| 265 Pleasant Solar NG, LLC | NuGen Capital Management | Lunenburg, MA | ISO New England (ISNE) | 1.4 GWh | Jun 2014 | Dec 2024 | Solar |
| Conn Mun Electric Energy Coop | Tesla Inc. | Norwich, CT | ISO New England (ISNE) | 1.1 GWh | Nov 2016 | Dec 2024 | Solar |
| Lowell Solar Landfill | Heliovaas LLC | Lowell, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2013 | Dec 2024 | Solar |
| Leominster | Syncarpha Massachusetts, LLC | Leominster, MA | ISO New England (ISNE) | 3.0 GWh | Apr 2015 | Dec 2024 | Solar |
| Ayers Village Solar | Altus Power America Management, LLC | Methuen, MA | ISO New England (ISNE) | 2.8 GWh | May 2014 | Dec 2024 | Solar |
| Barre II Solar Project | Kearsarge Solar LLC | Barre, MA | ISO New England (ISNE) | 2.2 GWh | Mar 2014 | Dec 2024 | Solar |
| Chicopee River Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2014 | Dec 2024 | Solar |
| Twiss Street Solar | Citizens Enterprises Corporation | Westfield, MA | ISO New England (ISNE) | 2.2 GWh | Dec 2014 | Dec 2024 | Solar |
| UDR Glastonbury Fuel Cell | UIL Distributed Resources, LLC | Glastonbury, CT | ISO New England (ISNE) | 17.7 GWh | Jan 2016 | Dec 2024 | Natural Gas |
| Concord Solar Farm | Kearsarge Solar LLC | Concord, MA | ISO New England (ISNE) | 2.0 GWh | Mar 2014 | Dec 2024 | Solar |
| Chester Solar Farm | Kearsarge Solar LLC | Chester, MA | ISO New England (ISNE) | 6.1 GWh | May 2014 | Dec 2024 | Solar |
| BlueWave Capital - Grafton (SREC II) | TerraForm Solar XVII, LLC | Grafton, MA | ISO New England (ISNE) | 1.8 GWh | Feb 2015 | Dec 2024 | Solar |
| NBC Field's Point Wind Farm | Narragansett Bay Commission | Providence, RI | ISO New England (ISNE) | 7.0 GWh | Sep 2012 | Aug 2025 | Wind |
| Town of Needham VNEM CSG | Tesla Inc. | Needham, MA | ISO New England (ISNE) | 3.3 GWh | Jan 2016 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on August 2025 generation numbers.| State | Rank | Active Plants | Aug 2025 Generation |
|---|---|---|---|
| Alabama | # 9 | 76 | 12,395.40 GWh |
| Alaska | # 48 | 147 | 596.38 GWh |
| Arizona | # 8 | 183 | 13,253.37 GWh |
| Arkansas | # 22 | 117 | 7,005.71 GWh |
| California | # 4 | 1,766 | 22,096.16 GWh |
| Colorado | # 30 | 303 | 5,430.16 GWh |
| Connecticut | # 33 | 168 | 4,128.16 GWh |
| Delaware | # 49 | 33 | 484.63 GWh |
| District of Columbia | # 51 | 16 | 18.64 GWh |
| Florida | # 2 | 322 | 27,311.64 GWh |
| Georgia | # 6 | 266 | 13,949.89 GWh |
| Hawaii | # 47 | 73 | 836.01 GWh |
| Idaho | # 42 | 148 | 1,815.53 GWh |
| Illinois | # 5 | 385 | 16,890.03 GWh |
| Indiana | # 15 | 212 | 9,505.71 GWh |
| Iowa | # 28 | 295 | 5,533.29 GWh |
| Kansas | # 26 | 189 | 5,907.91 GWh |
| Kentucky | # 23 | 58 | 6,905.39 GWh |
| Louisiana | # 14 | 87 | 9,976.47 GWh |
| Maine | # 45 | 217 | 1,193.54 GWh |
| Maryland | # 39 | 204 | 3,054.43 GWh |
| Massachusetts | # 41 | 652 | 2,249.14 GWh |
| Michigan | # 12 | 279 | 11,546.33 GWh |
| Minnesota | # 27 | 768 | 5,598.51 GWh |
| Mississippi | # 19 | 58 | 8,052.18 GWh |
| Missouri | # 21 | 128 | 7,016.22 GWh |
| State | Rank | Active Plants | Aug 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,504.48 GWh |
| Nebraska | # 35 | 132 | 3,820.75 GWh |
| Nevada | # 32 | 114 | 4,717.11 GWh |
| New Hampshire | # 43 | 60 | 1,704.04 GWh |
| New Jersey | # 25 | 399 | 5,993.29 GWh |
| New Mexico | # 36 | 144 | 3,535.03 GWh |
| New York | # 11 | 966 | 12,050.57 GWh |
| North Carolina | # 10 | 917 | 12,257.94 GWh |
| North Dakota | # 38 | 60 | 3,302.49 GWh |
| Ohio | # 7 | 201 | 13,774.78 GWh |
| Oklahoma | # 17 | 143 | 9,005.55 GWh |
| Oregon | # 29 | 282 | 5,502.91 GWh |
| Pennsylvania | # 3 | 260 | 22,725.21 GWh |
| Rhode Island | # 46 | 100 | 1,044.68 GWh |
| South Carolina | # 16 | 207 | 9,221.88 GWh |
| South Dakota | # 44 | 52 | 1,697.92 GWh |
| Tennessee | # 20 | 89 | 7,467.46 GWh |
| Texas | # 1 | 937 | 58,074.24 GWh |
| Utah | # 37 | 126 | 3,436.80 GWh |
| Vermont | # 50 | 120 | 183.89 GWh |
| Virginia | # 13 | 241 | 10,566.72 GWh |
| Washington | # 18 | 138 | 8,804.04 GWh |
| West Virginia | # 31 | 39 | 4,950.74 GWh |
| Wisconsin | # 24 | 251 | 6,697.49 GWh |
| Wyoming | # 34 | 73 | 3,968.05 GWh |