Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Smith College Central Heating Plant | The Trustees of Smith College | Northampton, MA | ISO New England (ISNE) | 14.2 GWh | Sep 2008 | Dec 2024 | Natural Gas |
| Williams College - Campus CHP | President & Trustees of Williams College | Williamstown, MA | ISO New England (ISNE) | 1.3 GWh | Feb 2003 | Dec 2024 | Natural Gas : 84.0% Distillate Fuel Oil : 16.0% |
| UCONN Cogen Facility | University of Connecticut | Storrs, CT | ISO New England (ISNE) | 111.0 GWh | Feb 2006 | Mar 2026 | Natural Gas : 95.1% Distillate Fuel Oil : 4.9% |
| Holyoke Solar Cooperative at Mueller | Holyoke Solar LLC | Holyoke, MA | ISO New England (ISNE) | 3.8 GWh | Nov 2011 | Dec 2024 | Solar |
| Wesleyan University Cogen 1 | Wesleyan University | Middletown, CT | ISO New England (ISNE) | 7.3 GWh | Jan 2009 | Dec 2024 | Natural Gas |
| Eastern Maine Medical Center | Eastern Maine Medical Center | Bangor, ME | ISO New England (ISNE) | 29.9 GWh | Sep 2006 | Mar 2026 | Natural Gas |
| Burgess BioPower | Berlin Station, LLC | Berlin, NH | ISO New England (ISNE) | 348.6 GWh | Oct 2013 | Dec 2024 | Wood/Wood Waste Solids |
| Danbury Hospital Cogen Plant | Danbury Hospital | Danbury, CT | ISO New England (ISNE) | 28.1 GWh | Oct 2011 | Dec 2024 | Natural Gas |
| Town of Uxbridge MA at Commerce Dr | Luminace Solar Net Metering, LLC | Uxbridge, MA | ISO New England (ISNE) | 2.7 GWh | May 2012 | Dec 2024 | Solar |
| Town of Norfolk MA at Medway Branch | Luminace Solar Massachusetts, LLC | Norfolk, MA | ISO New England (ISNE) | 1.9 GWh | May 2012 | Dec 2024 | Solar |
| Williamstown Solar | CVI CleanCapital Solar 1 LLC | Williamstown, VT | ISO New England (ISNE) | 2.4 GWh | Nov 2012 | Dec 2024 | Solar |
| SVEP Solar Project Company | CVI CleanCapital Solar 1 LLC | Pownal, VT | ISO New England (ISNE) | 2.2 GWh | Nov 2012 | Dec 2024 | Solar |
| Groton Wind LLC | Avangrid Power LLC | Groton, NH | ISO New England (ISNE) | 105.3 GWh | Nov 2012 | Mar 2026 | Wind |
| Charlestown Wind Turbine | MWRA Charlestown | Charlestown, MA | ISO New England (ISNE) | 1.2 GWh | Sep 2011 | Dec 2024 | Wind |
| Cellu Tissue | Dunn Paper East Hartford, LLC | East Hartford, CT | ISO New England (ISNE) | 11.5 GWh | Apr 2009 | Mar 2026 | Natural Gas |
| Kimberly Clark-Unit 1,2,3 | Kimberly-Clark Corporation | New Milford, CT | ISO New England (ISNE) | 219.0 GWh | Mar 2008 | Dec 2024 | Natural Gas |
| Green Meadows | Altus Power America Management, LLC | Sandwich, MA | ISO New England (ISNE) | 5.1 GWh | Apr 2014 | Dec 2024 | Solar |
| Shrewsbury Solar | Consolidated Edison Development Inc. | Shrewsbury, MA | ISO New England (ISNE) | 4.0 GWh | Sep 2012 | Dec 2024 | Solar |
| Boston Scientific Solar | Consolidated Edison Solutions Inc. | Quincy, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2012 | Dec 2024 | Solar |
| Amherst College Co Gen | Amherst College | Amherst, MA | ISO New England (ISNE) | 6.9 GWh | Oct 2006 | Dec 2024 | Natural Gas |
| Granite Reliable Power | NexteraEnergy | Dummer, NH | ISO New England (ISNE) | 185.2 GWh | Jan 2012 | Mar 2026 | Wind |
| Orange County Solar Farm (NY) | Tesla Inc. | Goshen, NY | ISO New England (ISNE) | 2.5 GWh | Apr 2017 | Dec 2024 | Solar |
| Main Street Solar Project | Greenbacker Renewable Energy Corporation | Rutland, VT | ISO New England (ISNE) | 2.2 GWh | Nov 2014 | Dec 2024 | Solar |
| Charlton Solar I CSG | Charlton Solar I, LLC | Charlton, MA | ISO New England (ISNE) | 5.4 GWh | Nov 2014 | Dec 2024 | Solar |
| Antrim Wind | Antrim Wind Energy LLC | Antrim, NH | ISO New England (ISNE) | 76.7 GWh | Nov 2019 | Mar 2026 | Wind |
| Twiss Street Solar | Citizens Enterprises Corporation | Westfield, MA | ISO New England (ISNE) | 2.2 GWh | Dec 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 |
| NBC Field's Point Wind Farm | Narragansett Bay Commission | Providence, RI | ISO New England (ISNE) | 7.0 GWh | Sep 2012 | Mar 2026 | Wind |
| CMEEC - Bozrah | Tesla Inc. | Bozrah, CT | ISO New England (ISNE) | 3.0 GWh | Nov 2016 | Dec 2024 | Solar |
| Subase Microgrid Project | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 43.1 GWh | Nov 2022 | Dec 2024 | Natural Gas |
| Framingham State University Plant | Framingham State University | Framingham, MA | ISO New England (ISNE) | 28.0 MWh | May 1974 | Mar 2026 | Solar : 64.3% Distillate Fuel Oil : 35.7% |
| Charlotte Solar LLC VT | Altus Power America Management, LLC | Charlotte, VT | ISO New England (ISNE) | 3.0 GWh | Jun 2014 | Dec 2024 | Solar |
| Scituate Wind | Scituate Wind LLC | Scituate, MA | ISO New England (ISNE) | 2.4 GWh | Feb 2012 | Dec 2024 | Wind |
| UI RCP New Haven Fuel Cell | United Illuminating Co | New Haven, CT | ISO New England (ISNE) | 19.3 GWh | Jul 2015 | Mar 2026 | Natural Gas |
| Pepperidge Farm Bloomfield | Pepperidge Farm, Inc.- Bloomfield | Bloomfield, CT | ISO New England (ISNE) | 15.5 GWh | Jul 2008 | Dec 2024 | Natural Gas |
| CED Westfield Solar, LLC | Consolidated Edison Development Inc. | Westfield, MA | ISO New England (ISNE) | 3.2 GWh | Jul 2016 | Dec 2024 | Solar |
| Chicopee Granby Road Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 2.2 GWh | Dec 2014 | Dec 2024 | Solar |
| Chicopee River Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2014 | Dec 2024 | Solar |
| Lowell Solar Landfill | Heliovaas LLC | Lowell, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2013 | Dec 2024 | Solar |
| Future Generation Wind | Consolidated Edison Solutions Inc. | Plymouth, MA | ISO New England (ISNE) | 14.1 GWh | Jul 2016 | Dec 2024 | Wind |
| West Groton CHP | Hollingsworth & Vose Co West Groton | Groton, MA | ISO New England (ISNE) | 22.0 GWh | Nov 2015 | Dec 2024 | Natural Gas |
| Southbridge Solar | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 2.2 GWh | Feb 2016 | Mar 2026 | Solar |
| Tisbury Landfill Solar | Clean Focus Yield, LLC | Tisbury, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2014 | Dec 2024 | Solar |
| Mashpee Landfill Solar | Nautilus Solar Solutions | Mashpee, MA | ISO New England (ISNE) | 2.3 GWh | Aug 2014 | Dec 2024 | Solar |
| Acton Solar Landfill | Heliovaas LLC | Acton, MA | ISO New England (ISNE) | 1.9 GWh | Nov 2013 | Nov 2024 | Solar |
| Oxford | CVI CleanCapital Solar 6 | Oxford, MA | ISO New England (ISNE) | 4.2 GWh | Jun 2014 | Dec 2024 | Solar |
| Antares-GRE 314 East Lyme LLC | MN8 Energy LLC | East Lyme, CT | ISO New England (ISNE) | 4.4 GWh | May 2014 | Mar 2026 | Solar |
| 265 Pleasant Solar NG, LLC | NuGen Capital Management | Lunenburg, MA | ISO New England (ISNE) | 1.4 GWh | Jun 2014 | Dec 2024 | Solar |
| Hadley Solar NG, LLC | NuGen Capital Management | Hadley, MA | ISO New England (ISNE) | 3.4 GWh | Jun 2014 | Dec 2024 | Solar |
| Fisher Road Solar | Fisher Road Solar I, LLC | Dartmouth, MA | ISO New England (ISNE) | 7.8 GWh | Apr 2015 | Dec 2024 | Solar |
| Upper Blackstone (MA) Treasure Valley | Nexamp Treasure Valley Solar, LLC | Rutland, MA | ISO New England (ISNE) | 7.3 GWh | Jun 2014 | Dec 2024 | Solar |
| Advance Stores Company, Inc | Tesla Inc. | Enfield, CT | ISO New England (ISNE) | 1.1 GWh | Oct 2014 | Dec 2024 | Solar |
| Granby LFG | Industrial Power Services Corp. | Granby, MA | ISO New England (ISNE) | 3.1 GWh | Aug 2001 | Dec 2024 | Landfill Gas |
| 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 |
| Hunt Farm Solar | Altus Power America Management, LLC | Orange, MA | ISO New England (ISNE) | 3.4 GWh | Aug 2013 | 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 |
| 201 Sturbridge B | Altus Power America Management, LLC | Brimfield, MA | ISO New England (ISNE) | 2.1 GWh | May 2014 | Dec 2024 | Solar |
| BJ's Wholesale Club, Inc- Uxbridge | Tesla Inc. | Uxbridge, MA | ISO New England (ISNE) | 270.0 MWh | Jun 2017 | Dec 2024 | Solar |
| Leominster | Syncarpha Massachusetts, LLC | Leominster, MA | ISO New England (ISNE) | 3.0 GWh | Apr 2015 | Dec 2024 | Solar |
| North Adams Landfill | Syncarpha North Adams, LLC | North Adams, MA | ISO New England (ISNE) | 3.5 GWh | Sep 2015 | Dec 2024 | Solar |
| Templeton | Sunny Templeton, LLC | Templeton, MA | ISO New England (ISNE) | 4.7 GWh | Nov 2014 | Dec 2024 | Solar |
| Palmer Landfill | Syncarpha Bondsville, LLC | Palmer, MA | ISO New England (ISNE) | 6.3 GWh | Nov 2016 | Dec 2024 | Solar |
| Town of Halfmoon | Tesla Inc. | Waterford, NY | ISO New England (ISNE) | 1.5 GWh | May 2017 | Dec 2024 | Solar |
| Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 258.4 GWh | Feb 2019 | Mar 2026 | Natural Gas : 95.3% Kerosene : 4.7% |
| Spring Hill Road | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 430.0 MWh | Nov 2015 | Mar 2026 | Solar |
| Oneida County- DPW | Tesla Inc. | Oriskany, NY | ISO New England (ISNE) | 1.8 GWh | Sep 2017 | Dec 2024 | Solar |
| Williamsburg Solar LLC VNEM CSG | Tesla Inc. | Haydenville, MA | ISO New England (ISNE) | 3.0 GWh | Jan 2016 | Dec 2024 | Solar |
| Town of Needham VNEM CSG | Tesla Inc. | Needham, MA | ISO New England (ISNE) | 3.3 GWh | Jan 2016 | 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 |
| Hewlett-Packard (HP) - Andover, MA | Tesla Inc. | Andover, MA | ISO New England (ISNE) | 2.3 GWh | May 2017 | Dec 2024 | Solar |
| Johnston Solar | Concord New Energy | Town of Johnston, RI | ISO New England (ISNE) | 1.7 GWh | Jun 2015 | Dec 2024 | Solar |
| Bourne (MA) - Holliston I | NVT LICENSES, LLC | Holliston, MA | ISO New England (ISNE) | 3.7 GWh | Nov 2014 | Dec 2024 | Solar |
| Stetson Road Solar - Barre I | Kearsarge Solar LLC | Barre, MA | ISO New England (ISNE) | 2.8 GWh | Apr 2014 | Dec 2024 | Solar |
| UI RCP Bridgeport Seaside | United Illuminating Co | Bridgeport, CT | ISO New England (ISNE) | 18.0 GWh | Oct 2015 | Mar 2026 | Natural Gas : 85.2% Solar : 14.8% |
| Hunt Road Solar | Citizens Enterprises Corporation | Amesbury, MA | ISO New England (ISNE) | 7.2 GWh | Nov 2016 | Dec 2024 | Solar |
| Barre II Solar Project | Kearsarge Solar LLC | Barre, MA | ISO New England (ISNE) | 2.2 GWh | Mar 2014 | Dec 2024 | Solar |
| Syncarpha Palmer, LLC | Syncarpha Palmer, LLC | Palmer, MA | ISO New England (ISNE) | 7.4 GWh | Nov 2015 | Dec 2024 | Solar |
| Chester Solar Farm | Kearsarge Solar LLC | Chester, MA | ISO New England (ISNE) | 6.1 GWh | May 2014 | Dec 2024 | Solar |
| Chester Power Partners | Altus Power America Management, LLC | North Chester, VT | ISO New England (ISNE) | 2.6 GWh | Oct 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 |
| Concord Solar Farm | Kearsarge Solar LLC | Concord, MA | ISO New England (ISNE) | 2.0 GWh | Mar 2014 | Dec 2024 | Solar |
| Adams Farm Solar | Altus Power America Management, LLC | Athol, MA | ISO New England (ISNE) | 3.4 GWh | Sep 2013 | Dec 2024 | Solar |
| Leominster (MA)-South Street-R&D | South Street Solar, LLC | Tewksbury, MA | ISO New England (ISNE) | 3.2 GWh | Nov 2013 | Dec 2024 | Solar |
| RGS-Rutland VNM SREC II Project (MA) | TerraForm Solar XVII, LLC | Rutland, MA | ISO New England (ISNE) | 1.7 GWh | Oct 2015 | Dec 2024 | Solar |
| Barton Solar Farm | Barton Solar, LLC | Barton, VT | ISO New England (ISNE) | 2.4 GWh | Oct 2014 | Dec 2024 | Solar |
| Fairhaven Wind | Fairhaven Wind LLC | Fairhaven, MA | ISO New England (ISNE) | 3.7 GWh | Mar 2012 | Dec 2024 | Wind |
| New Bedford (MA) Plymouth | BWC Origination 4, LLC | Plymouth, MA | ISO New England (ISNE) | 7.0 GWh | Jun 2014 | Dec 2024 | Solar |
| Solten Plainville 6000, LLC | Altus Power America Management, LLC | Plainville, MA | ISO New England (ISNE) | 7.1 GWh | Jul 2017 | Dec 2024 | Solar |
| Coolidge Solar 1, LLC | Coolidge Solar I, LLC | Ludlow, VT | ISO New England (ISNE) | 24.4 GWh | Nov 2018 | Mar 2026 | Solar |
| Kearsarge Granby | Kearsarge Granby LLC | Granby, MA | ISO New England (ISNE) | 3.6 GWh | Feb 2017 | Dec 2024 | Solar |
| WED Kingstown Solar I - East Array | CleanCapital Holdings | Washington, RI | ISO New England (ISNE) | 4.7 GWh | Nov 2017 | Dec 2024 | Solar |
| 301 Chestnut Solar NG | NuGen Capital Management | East Longmeadow, MA | ISO New England (ISNE) | 2.4 GWh | Mar 2017 | Dec 2024 | Solar |
| Naval Sub Base New London Fuel Cell | Groton Station Fuel Cell, LLC | Groton, CT | ISO New England (ISNE) | 43.6 GWh | Nov 2022 | Dec 2024 | Natural Gas |
| Golden Hills Solar | Golden Hills Solar, LLC | Rutland, MA | ISO New England (ISNE) | 7.8 GWh | Aug 2017 | Dec 2024 | Solar |
| Farley Road Community Solar | Farley Road Solar, LLC | Dudley, MA | ISO New England (ISNE) | 1.7 GWh | Jul 2017 | Dec 2024 | Solar |
| Kearsarge Concord II | Kearsarge Concord II LLC | Concord, MA | ISO New England (ISNE) | 6.9 GWh | Dec 2016 | Dec 2024 | Solar |
| MA Solar Storage 1 Hybrid | Origis Energy USA, Inc | Sterling, MA | ISO New England (ISNE) | 1.1 GWh | Feb 2018 | Dec 2024 | Solar |
| West Brookfield Solar - Gilbertsville Rd | Nautilus Solar Solutions | West Brookfield, MA | ISO New England (ISNE) | 5.7 GWh | May 2017 | Dec 2024 | Solar |
| Randolph | Altus Power America Management, LLC | Randolph, MA | ISO New England (ISNE) | 6.0 GWh | Oct 2017 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on March 2026 generation numbers.| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 76 | 10,194.39 GWh |
| Alaska | # 48 | 139 | 566.31 GWh |
| Arizona | # 15 | 183 | 8,256.99 GWh |
| Arkansas | # 25 | 114 | 4,973.03 GWh |
| California | # 5 | 1,656 | 15,197.83 GWh |
| Colorado | # 30 | 294 | 4,491.41 GWh |
| Connecticut | # 31 | 161 | 3,992.67 GWh |
| Delaware | # 49 | 33 | 248.78 GWh |
| District of Columbia | # 51 | 16 | 18.32 GWh |
| Florida | # 3 | 334 | 19,802.71 GWh |
| Georgia | # 8 | 247 | 10,697.11 GWh |
| Hawaii | # 46 | 69 | 784.18 GWh |
| Idaho | # 42 | 144 | 1,957.44 GWh |
| Illinois | # 4 | 379 | 15,489.73 GWh |
| Indiana | # 12 | 216 | 9,257.49 GWh |
| Iowa | # 21 | 289 | 6,478.67 GWh |
| Kansas | # 23 | 183 | 5,489.55 GWh |
| Kentucky | # 29 | 59 | 4,637.74 GWh |
| Louisiana | # 17 | 86 | 8,003.69 GWh |
| Maine | # 45 | 212 | 1,313.24 GWh |
| Maryland | # 39 | 202 | 2,834.84 GWh |
| Massachusetts | # 44 | 639 | 1,383.17 GWh |
| Michigan | # 13 | 268 | 8,564.76 GWh |
| Minnesota | # 26 | 760 | 4,875.53 GWh |
| Mississippi | # 24 | 55 | 5,467.46 GWh |
| Missouri | # 22 | 125 | 5,500.53 GWh |
| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 69 | 2,464.49 GWh |
| Nebraska | # 37 | 121 | 3,330.39 GWh |
| Nevada | # 35 | 114 | 3,487.65 GWh |
| New Hampshire | # 43 | 54 | 1,520.13 GWh |
| New Jersey | # 28 | 379 | 4,705.05 GWh |
| New Mexico | # 33 | 142 | 3,587.89 GWh |
| New York | # 9 | 935 | 10,247.40 GWh |
| North Carolina | # 11 | 896 | 9,821.46 GWh |
| North Dakota | # 32 | 59 | 3,854.12 GWh |
| Ohio | # 6 | 200 | 12,175.28 GWh |
| Oklahoma | # 19 | 142 | 7,305.54 GWh |
| Oregon | # 20 | 266 | 6,583.30 GWh |
| Pennsylvania | # 2 | 249 | 20,000.86 GWh |
| Rhode Island | # 47 | 100 | 610.71 GWh |
| South Carolina | # 14 | 204 | 8,273.25 GWh |
| South Dakota | # 41 | 52 | 2,184.62 GWh |
| Tennessee | # 18 | 88 | 7,335.80 GWh |
| Texas | # 1 | 961 | 46,858.09 GWh |
| Utah | # 38 | 125 | 3,184.50 GWh |
| Vermont | # 50 | 117 | 217.82 GWh |
| Virginia | # 16 | 233 | 8,059.42 GWh |
| Washington | # 7 | 131 | 10,773.76 GWh |
| West Virginia | # 34 | 40 | 3,543.98 GWh |
| Wisconsin | # 27 | 239 | 4,794.79 GWh |
| Wyoming | # 36 | 70 | 3,358.51 GWh |