Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Fairhaven Wind | Fairhaven Wind LLC | Fairhaven, MA | ISO New England (ISNE) | 3.1 GWh | Mar 2012 | Dec 2025 | Wind |
| Claire Solar Farm | Claire Solar Partners LLC | South Burlington, VT | ISO New England (ISNE) | 3.6 GWh | Jun 2014 | Dec 2024 | Solar |
| Templeton | Sunny Templeton, LLC | Templeton, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2014 | Dec 2025 | Solar |
| Barton Solar Farm | Barton Solar, LLC | Barton, VT | ISO New England (ISNE) | 2.5 GWh | Oct 2014 | Dec 2025 | Solar |
| Leominster (MA)-South Street-R&D | South Street Solar, LLC | Tewksbury, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2013 | Dec 2025 | Solar |
| Antares-GRE 314 East Lyme LLC | MN8 Energy LLC | East Lyme, CT | ISO New England (ISNE) | 4.2 GWh | May 2014 | May 2026 | Solar |
| 265 Pleasant Solar NG, LLC | NuGen Capital Management | Lunenburg, MA | ISO New England (ISNE) | 1.3 GWh | Jun 2014 | Dec 2025 | Solar |
| Hadley Solar NG, LLC | NuGen Capital Management | Hadley, MA | ISO New England (ISNE) | 3.2 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 |
| Main Street Solar Project | Greenbacker Renewable Energy Corporation | Rutland, VT | ISO New England (ISNE) | 2.1 GWh | Nov 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 |
| State Street Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.5 GWh | Mar 2014 | 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 |
| Westborough Solar LLC | SunRay Power LLC | Westborough, MA | ISO New England (ISNE) | 2.5 GWh | Mar 2014 | Dec 2024 | 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 |
| Backus Microgrid Project | Connecticut Mun Elec Engy Coop | Norwich, CT | ISO New England (ISNE) | 843.0 MWh | Jul 2014 | May 2026 | Distillate Fuel Oil |
| NBC Field's Point Wind Farm | Narragansett Bay Commission | Providence, RI | ISO New England (ISNE) | 6.6 GWh | Sep 2012 | May 2026 | Wind |
| New Bedford (MA) Plymouth | BWC Origination 4, LLC | Plymouth, MA | ISO New England (ISNE) | 7.0 GWh | Jun 2014 | Dec 2025 | Solar |
| Charlton Solar I CSG | Charlton Solar I, LLC | Charlton, MA | ISO New England (ISNE) | 5.3 GWh | Nov 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 |
| Chicopee Granby Road Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 2.4 GWh | Dec 2014 | 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 |
| Chicopee River Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 2.9 GWh | Dec 2014 | Dec 2025 | Solar |
| Twiss Street Solar | Citizens Enterprises Corporation | Westfield, MA | ISO New England (ISNE) | 1.9 GWh | Dec 2014 | Mar 2025 | Solar |
| Future Generation Wind | RWE Clean Energy | Plymouth, MA | ISO New England (ISNE) | 12.2 GWh | Jul 2016 | Nov 2025 | Wind |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 9.4 GWh | Aug 2013 | Dec 2025 | Water |
| Orono B | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 17.2 GWh | Oct 2013 | Dec 2025 | Water |
| St. Albans SPEED Project | St. Albans Solar Partners, LLC | St. Albans, VT | ISO New England (ISNE) | 2.0 GWh | Nov 2013 | Dec 2024 | Solar |
| Tisbury Landfill Solar | Clean Focus Yield, LLC | Tisbury, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2014 | Dec 2025 | Solar |
| CCSU Fuel Cell Project | New Britain Renewable Energy, LLC | New Britain, CT | ISO New England (ISNE) | 7.0 GWh | Mar 2012 | Dec 2025 | Natural Gas |
| CCSU Co-Gen-STBY Gen | Central Connecticut State University | New Britain, CT | ISO New England (ISNE) | 9.8 MWh | Sep 1993 | Dec 2025 | Natural Gas |
| Quittacas Pond Solar | RWE Clean Energy | Rochester, MA | ISO New England (ISNE) | 5.5 GWh | Nov 2013 | Dec 2025 | Solar |
| Amherst College Co Gen | Amherst College | Amherst, MA | ISO New England (ISNE) | 8.2 GWh | Oct 2006 | Dec 2025 | Natural Gas |
| Rand Whitney CHP Plant | Rand Whitney Containerboard L.P. | Montville, CT | ISO New England (ISNE) | 131.8 GWh | Mar 2005 | May 2026 | Natural Gas |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2013 | Dec 2025 | Solar |
| Acushnet Hawes Reed Road | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.8 GWh | Jun 2012 | Dec 2025 | Solar |
| West Greenwich Solar | RWE Clean Energy | West Greenwich, RI | ISO New England (ISNE) | 2.3 GWh | Apr 2013 | May 2026 | Solar |
| Northbridge Solar | RWE Clean Energy | South Grafton, MA | ISO New England (ISNE) | 3.2 GWh | Jul 2013 | Dec 2025 | Solar |
| CES Sterling LLC | SunEdison LLC | Sterling, MA | ISO New England (ISNE) | 2.9 GWh | Jan 2013 | Dec 2025 | Solar |
| Southbridge PV | Terraform Arcadia | Southbridge, MA | ISO New England (ISNE) | 3.8 GWh | Dec 2013 | Dec 2025 | Solar |
| Green Meadows | Altus Power America Management, LLC | Sandwich, MA | ISO New England (ISNE) | 5.1 GWh | Apr 2014 | Dec 2025 | Solar |
| Kimberly Clark-Unit 1,2,3 | Kimberly-Clark Corporation | New Milford, CT | ISO New England (ISNE) | 233.3 GWh | Mar 2008 | Dec 2025 | Natural Gas |
| Marshfield PV | Terraform Arcadia | Marshfield, MA | ISO New England (ISNE) | 4.6 GWh | Nov 2013 | Dec 2025 | Solar |
| Bellingham PV | Terraform Arcadia | Douglas, MA | ISO New England (ISNE) | 4.2 GWh | Sep 2013 | Dec 2025 | Solar |
| Mt Wachusett Community College | Mt Wachusett Community College | Gardner, MA | ISO New England (ISNE) | 4.0 GWh | Feb 2011 | May 2026 | Wind |
| NFM Solar Power LLC | FirstLight Power Resources, Inc. - MA | Northfield, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2012 | Dec 2025 | Solar |
| Millbury Solar | Evergreen Wind, LLC | Millbury, MA | ISO New England (ISNE) | 4.7 GWh | Mar 2014 | Dec 2025 | Solar |
| Danbury Hospital Cogen Plant | Danbury Hospital | Danbury, CT | ISO New England (ISNE) | 21.6 GWh | Oct 2011 | Dec 2025 | Natural Gas |
| Eastern Maine Medical Center | Eastern Maine Medical Center | Bangor, ME | ISO New England (ISNE) | 27.6 GWh | Sep 2006 | May 2026 | Natural Gas |
| Maynard PV | Terraform Arcadia | Maynard, MA | ISO New England (ISNE) | 1.2 GWh | Dec 2013 | Dec 2025 | Solar |
| Bradley Energy Center | Ameresco Select Inc | Windsor Locks, CT | ISO New England (ISNE) | 11.3 GWh | Oct 2002 | Dec 2025 | Natural Gas |
| Wesleyan University Cogen 1 | Wesleyan University | Middletown, CT | ISO New England (ISNE) | 4.0 GWh | Jan 2009 | Dec 2025 | Natural Gas |
| Williamstown Solar | CVI CleanCapital Solar 1 LLC | Williamstown, VT | ISO New England (ISNE) | 2.2 GWh | Nov 2012 | Dec 2025 | Solar |
| SVEP Solar Project Company | CVI CleanCapital Solar 1 LLC | Pownal, VT | ISO New England (ISNE) | 1.6 GWh | Nov 2012 | Dec 2025 | Solar |
| Groton Wind LLC | Avangrid Power LLC | Groton, NH | ISO New England (ISNE) | 101.4 GWh | Nov 2012 | May 2026 | Wind |
| Freetown Solar | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 6.4 GWh | Feb 2015 | Dec 2025 | Solar |
| UCONN Cogen Facility | University of Connecticut | Storrs, CT | ISO New England (ISNE) | 112.1 GWh | Feb 2006 | May 2026 | Natural Gas : 95.2% Distillate Fuel Oil : 4.8% |
| Leicester One MA Solar LLC | CVI CleanCapital Solar 1 LLC | Leicester, MA | ISO New England (ISNE) | 5.2 GWh | Dec 2014 | Dec 2025 | Solar |
| UNH 7.9 MW Plant | Emcor Energy Services | Durham, NH | ISO New England (ISNE) | 53.3 GWh | Aug 2006 | May 2026 | Landfill Gas : 55.5% Natural Gas : 42.0% Distillate Fuel Oil : 2.5% |
| Williams College - Campus CHP | President & Trustees of Williams College | Williamstown, MA | ISO New England (ISNE) | 3.2 GWh | Feb 2003 | Dec 2025 | Natural Gas : 98.4% Distillate Fuel Oil : 1.6% |
| Mass Midstate Solar 1 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.1 GWh | Apr 2014 | Dec 2025 | Solar |
| Mass Midstate Solar 2 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.0 GWh | Apr 2014 | Dec 2025 | Solar |
| Mass Midstate Solar 3 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 5.8 GWh | Apr 2014 | Dec 2025 | Solar |
| Smith College Central Heating Plant | The Trustees of Smith College | Northampton, MA | ISO New England (ISNE) | 6.5 GWh | Sep 2008 | Dec 2025 | Natural Gas |
| Easthampton Landfill-City of Easthampton | CleanCapital Holdings | Easthampton, MA | ISO New England (ISNE) | 2.8 GWh | May 2012 | Dec 2025 | Solar |
| Cellu Tissue | Dunn Paper East Hartford, LLC | East Hartford, CT | ISO New England (ISNE) | 11.7 GWh | Apr 2009 | May 2026 | Natural Gas |
| Acushnet AD Makepeace | CleanCapital Holdings | Wareham, MA | ISO New England (ISNE) | 6.1 GWh | Jun 2012 | Dec 2025 | Solar |
| Georgia Mountain Community Wind Farm | Greenbacker Renewable Energy Corporation | Milton, VT | ISO New England (ISNE) | 25.3 GWh | Nov 2012 | May 2026 | Wind |
| Wilson Solar (MA) | RWE Clean Energy | Spencer, MA | ISO New England (ISNE) | 870.0 MWh | May 2013 | Dec 2025 | Solar |
| Holyoke Solar Cooperative at Mueller | Holyoke Solar LLC | Holyoke, MA | ISO New England (ISNE) | 3.8 GWh | Nov 2011 | Dec 2025 | Solar |
| Padelford Solar | RWE Clean Energy | Berkley, MA | ISO New England (ISNE) | 3.5 GWh | Nov 2012 | Dec 2025 | Solar |
| Block Island Wind Farm | Deepwater Wind Block Island LLC | NA, RI | ISO New England (ISNE) | 82.7 GWh | Nov 2016 | May 2026 | Wind |
| Dartmouth II Solar | RWE Clean Energy | Dartmouth, MA | ISO New England (ISNE) | 2.6 GWh | May 2012 | Dec 2025 | Solar |
| Granite Reliable Power | NexteraEnergy | Dummer, NH | ISO New England (ISNE) | 191.6 GWh | Jan 2012 | May 2026 | Wind |
| Boston Scientific Solar | RWE Clean Energy | Quincy, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2012 | Dec 2025 | Solar |
| Shrewsbury Solar | RWE Clean Energy | Shrewsbury, MA | ISO New England (ISNE) | 4.1 GWh | Sep 2012 | Dec 2025 | Solar |
| Middlebury College | Middlebury College Biomass | Middlebury, VT | ISO New England (ISNE) | 1.7 GWh | Dec 1979 | May 2026 | Wood/Wood Waste Solids : 60.7% Natural Gas : 39.3% |
| Groveland Solar | RWE Clean Energy | Groveland, MA | ISO New England (ISNE) | 4.3 GWh | Nov 2012 | Dec 2025 | Solar |
| Spruce Mountain WInd | CPV Spruce Mountain Wind LLC | Bryant Pond, ME | ISO New England (ISNE) | 52.6 GWh | Nov 2011 | Dec 2025 | Wind |
| Ipswich Wind Turbine | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 2.1 GWh | Apr 2011 | Dec 2025 | Wind |
| Burgess BioPower | Berlin Station, LLC | Berlin, NH | ISO New England (ISNE) | 390.2 GWh | Oct 2013 | Dec 2025 | Wood/Wood Waste Solids |
| Kingdom Community Wind | Green Mountain Power Corp | Lowell, VT | ISO New England (ISNE) | 164.4 GWh | Oct 2012 | May 2026 | Wind |
| Charlestown Wind Turbine | MWRA Charlestown | Charlestown, MA | ISO New England (ISNE) | 1.3 GWh | Sep 2011 | Dec 2025 | Wind |
| Douglas Solar | RWE Clean Energy | Douglas, MA | ISO New England (ISNE) | 3.2 GWh | Nov 2012 | Dec 2025 | Solar |
| Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | ISO New England (ISNE) | 31.9 GWh | Apr 2011 | May 2026 | Wind |
| Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2010 | Dec 2025 | Solar |
| Town of Uxbridge MA at Commerce Dr | Luminace Solar Net Metering, LLC | Uxbridge, MA | ISO New England (ISNE) | 2.4 GWh | May 2012 | Dec 2025 | Solar |
| Indian Orchard PV Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2011 | Dec 2025 | Solar |
| Foxwoods CoGen | Foxwoods Resort Casino | Mashantucket, CT | ISO New England (ISNE) | 10.8 GWh | May 2010 | Dec 2025 | Natural Gas |
| Town of Norfolk MA at Medway Branch | Luminace Solar Massachusetts, LLC | Norfolk, MA | ISO New England (ISNE) | 1.7 GWh | May 2012 | Dec 2025 | Solar |
| Hampshire College Hybrid | Tesla Inc. | Amherst, MA | ISO New England (ISNE) | 2.6 GWh | Apr 2017 | Dec 2025 | Solar |
| Iron Horse Solar 4, LLC | Iron Horse Solar 4, LLC | North Billerica, MA | ISO New England (ISNE) | 7.1 GWh | May 2017 | Dec 2025 | Solar |
| Depot Hill Solar CSG | CCC Solar Holdings LLC | Charlton, MA | ISO New England (ISNE) | 3.2 GWh | Sep 2016 | Dec 2025 | Solar |
| GMP Solar - Panton Hybrid | Green Mountain Power Corp | Panton, VT | ISO New England (ISNE) | 8.5 GWh | Nov 2016 | May 2026 | Solar |
| 126 Grove Solar LLC | Altus Power America Management, LLC | Franklin, MA | ISO New England (ISNE) | 2.2 GWh | May 2012 | Dec 2025 | Solar |
| Stafford MS Ground Mount Community Solar | Town of Stafford - (CT) | Stafford, CT | ISO New England (ISNE) | 3.1 GWh | Jun 2016 | Dec 2025 | Solar |
| Nexamp Peak CSG | Nexamp Peak, LLC | Hancock, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2015 | Dec 2025 | Solar |
| Sutton Solar CSG | Sutton Solar, LLC | Sutton, MA | ISO New England (ISNE) | 3.2 GWh | Oct 2016 | Dec 2025 | Solar |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |