Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Subase Microgrid Project | Connecticut Mun Elec Engy Coop | Groton, CT | ISO New England (ISNE) | 29.6 GWh | Nov 2022 | Dec 2025 | Natural Gas |
| Clarendon Solar Farm | Clarendon Solar Farm, LLC | North Clarendon, VT | ISO New England (ISNE) | 2.9 GWh | Jun 2014 | Dec 2025 | Solar |
| Claire Solar Farm | Claire Solar Partners LLC | South Burlington, VT | ISO New England (ISNE) | 4.1 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 |
| Leominster | Syncarpha Massachusetts, LLC | Leominster, MA | ISO New England (ISNE) | 2.6 GWh | Apr 2015 | 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 |
| Leominster (MA)-South Street-R&D | South Street Solar, LLC | Tewksbury, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2013 | 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 |
| Antrim Wind | Antrim Wind Energy LLC | Antrim, NH | ISO New England (ISNE) | 79.4 GWh | Nov 2019 | Aug 2026 | Wind |
| Browne Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.4 GWh | Mar 2014 | 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 |
| 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 |
| 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 |
| BJ's Wholesale Club, Inc- Uxbridge | Tesla Inc. | Uxbridge, MA | ISO New England (ISNE) | 270.0 MWh | Jun 2017 | Dec 2024 | 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% |
| Syncarpha Palmer, LLC | Syncarpha Palmer, LLC | Palmer, MA | ISO New England (ISNE) | 7.2 GWh | Nov 2015 | Dec 2025 | Solar |
| Bourne (MA) - Holliston I | NVT LICENSES, LLC | Holliston, MA | ISO New England (ISNE) | 3.5 GWh | Nov 2014 | Dec 2025 | Solar |
| BlueWave Capital - Grafton (SREC II) | TerraForm Solar XVII, LLC | Grafton, MA | ISO New England (ISNE) | 1.9 GWh | Feb 2015 | Dec 2025 | Solar |
| Burgess BioPower | Berlin Station, LLC | Berlin, NH | ISO New England (ISNE) | 390.2 GWh | Oct 2013 | Dec 2025 | Wood/Wood Waste Solids |
| Acushnet AD Makepeace | CleanCapital Holdings | Wareham, MA | ISO New England (ISNE) | 6.1 GWh | Jun 2012 | Dec 2025 | Solar |
| Mass Midstate Solar 3 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 5.8 GWh | Apr 2014 | Dec 2025 | Solar |
| Easthampton Landfill-City of Easthampton | CleanCapital Holdings | Easthampton, MA | ISO New England (ISNE) | 2.8 GWh | May 2012 | Dec 2025 | Solar |
| Amherst College Co Gen | Amherst College | Amherst, MA | ISO New England (ISNE) | 8.2 GWh | Oct 2006 | Dec 2025 | Natural Gas |
| SVEP Solar Project Company | CVI CleanCapital Solar 1 LLC | Pownal, VT | ISO New England (ISNE) | 1.6 GWh | Nov 2012 | Dec 2025 | Solar |
| Williamstown Solar | CVI CleanCapital Solar 1 LLC | Williamstown, VT | ISO New England (ISNE) | 2.2 GWh | Nov 2012 | Dec 2025 | Solar |
| Danbury Hospital Cogen Plant | Danbury Hospital | Danbury, CT | ISO New England (ISNE) | 21.6 GWh | Oct 2011 | Dec 2025 | Natural Gas |
| Cellu Tissue | Dunn Paper East Hartford, LLC | East Hartford, CT | ISO New England (ISNE) | 10.8 GWh | Apr 2009 | Aug 2026 | Natural Gas |
| Eastern Maine Medical Center | Eastern Maine Medical Center | Bangor, ME | ISO New England (ISNE) | 26.4 GWh | Sep 2006 | Aug 2026 | Natural Gas |
| Wesleyan University Cogen 1 | Wesleyan University | Middletown, CT | ISO New England (ISNE) | 4.0 GWh | Jan 2009 | Dec 2025 | Natural Gas |
| UCONN Cogen Facility | University of Connecticut | Storrs, CT | ISO New England (ISNE) | 111.5 GWh | Feb 2006 | Aug 2026 | Natural Gas : 95.1% Distillate Fuel Oil : 4.9% |
| Groton Wind LLC | Avangrid Power LLC | Groton, NH | ISO New England (ISNE) | 104.9 GWh | Nov 2012 | Aug 2026 | Wind |
| 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% |
| Acushnet Hawes Reed Road | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.8 GWh | Jun 2012 | 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 |
| Wilson Solar (MA) | RWE Clean Energy | Spencer, MA | ISO New England (ISNE) | 870.0 MWh | May 2013 | Dec 2025 | Solar |
| UNH 7.9 MW Plant | Emcor Energy Services | Durham, NH | ISO New England (ISNE) | 50.5 GWh | Aug 2006 | Aug 2026 | Landfill Gas : 51.2% Natural Gas : 46.1% Distillate Fuel Oil : 2.7% |
| Rand Whitney CHP Plant | Rand Whitney Containerboard L.P. | Montville, CT | ISO New England (ISNE) | 132.0 GWh | Mar 2005 | Aug 2026 | Natural Gas |
| Mass Midstate Solar 2 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.0 GWh | Apr 2014 | 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 |
| Green Meadows | Altus Power America Management, LLC | Sandwich, MA | ISO New England (ISNE) | 5.1 GWh | Apr 2014 | Dec 2025 | Solar |
| NFM Solar Power LLC | FirstLight Power Resources, Inc. - MA | Northfield, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2012 | Dec 2025 | Solar |
| West Greenwich Solar | RWE Clean Energy | West Greenwich, RI | ISO New England (ISNE) | 2.4 GWh | Apr 2013 | Aug 2026 | 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 |
| 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 |
| 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 |
| Georgia Mountain Community Wind Farm | Greenbacker Renewable Energy Corporation | Milton, VT | ISO New England (ISNE) | 24.6 GWh | Nov 2012 | Aug 2026 | Wind |
| Freetown Solar | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 6.4 GWh | Feb 2015 | Dec 2025 | Solar |
| Leicester One MA Solar LLC | CVI CleanCapital Solar 1 LLC | Leicester, MA | ISO New England (ISNE) | 5.2 GWh | Dec 2014 | Dec 2025 | Solar |
| Charlestown Wind Turbine | MWRA Charlestown | Charlestown, MA | ISO New England (ISNE) | 1.3 GWh | Sep 2011 | Dec 2025 | Wind |
| Millbury Solar | Evergreen Wind, LLC | Millbury, MA | ISO New England (ISNE) | 4.7 GWh | Mar 2014 | Dec 2025 | Solar |
| Mass Midstate Solar 1 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.1 GWh | Apr 2014 | 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 |
| Kingdom Community Wind | Green Mountain Power Corp | Lowell, VT | ISO New England (ISNE) | 170.1 GWh | Oct 2012 | Aug 2026 | Wind |
| Foxwoods CoGen | Foxwoods Resort Casino | Mashantucket, CT | ISO New England (ISNE) | 10.8 GWh | May 2010 | Dec 2025 | Natural Gas |
| Indian Orchard PV Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2011 | Dec 2025 | Solar |
| Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2010 | Dec 2025 | Solar |
| Quittacas Pond Solar | RWE Clean Energy | Rochester, MA | ISO New England (ISNE) | 5.5 GWh | Nov 2013 | Dec 2025 | Solar |
| Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | ISO New England (ISNE) | 27.3 GWh | Apr 2011 | Aug 2026 | Wind |
| 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 |
| 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 |
| Southbridge PV | Terraform Arcadia | Southbridge, MA | ISO New England (ISNE) | 3.8 GWh | Dec 2013 | Dec 2025 | Solar |
| Douglas Solar | RWE Clean Energy | Douglas, MA | ISO New England (ISNE) | 3.2 GWh | Nov 2012 | Dec 2025 | Solar |
| Block Island Wind Farm | Deepwater Wind Block Island LLC | NA, RI | ISO New England (ISNE) | 81.3 GWh | Nov 2016 | Aug 2026 | Wind |
| Maynard PV | Terraform Arcadia | Maynard, MA | ISO New England (ISNE) | 1.2 GWh | Dec 2013 | Dec 2025 | Solar |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2013 | Dec 2025 | Solar |
| Marshfield PV | Terraform Arcadia | Marshfield, MA | ISO New England (ISNE) | 4.6 GWh | Nov 2013 | Dec 2025 | Solar |
| Middlebury College | Middlebury College Biomass | Middlebury, VT | ISO New England (ISNE) | 1.7 GWh | Dec 1979 | Jun 2026 | Wood/Wood Waste Solids : 58.5% Natural Gas : 41.5% |
| Bellingham PV | Terraform Arcadia | Douglas, MA | ISO New England (ISNE) | 4.2 GWh | Sep 2013 | Dec 2025 | Solar |
| Northbridge Solar | RWE Clean Energy | South Grafton, MA | ISO New England (ISNE) | 3.2 GWh | Jul 2013 | Dec 2025 | Solar |
| Dartmouth II Solar | RWE Clean Energy | Dartmouth, MA | ISO New England (ISNE) | 2.6 GWh | May 2012 | Dec 2025 | Solar |
| CES Sterling LLC | SunEdison LLC | Sterling, MA | ISO New England (ISNE) | 2.9 GWh | Jan 2013 | Dec 2025 | Solar |
| Ipswich Wind Turbine | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 2.1 GWh | Apr 2011 | Dec 2025 | Wind |
| Padelford Solar | RWE Clean Energy | Berkley, MA | ISO New England (ISNE) | 3.5 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 |
| Groveland Solar | RWE Clean Energy | Groveland, MA | ISO New England (ISNE) | 4.3 GWh | Nov 2012 | Dec 2025 | Solar |
| Mt Wachusett Community College | Mt Wachusett Community College | Gardner, MA | ISO New England (ISNE) | 4.6 GWh | Feb 2011 | Aug 2026 | Wind |
| Granite Reliable Power | NexteraEnergy | Dummer, NH | ISO New England (ISNE) | 203.8 GWh | Jan 2012 | Aug 2026 | Wind |
| Shrewsbury Solar | RWE Clean Energy | Shrewsbury, MA | ISO New England (ISNE) | 4.1 GWh | Sep 2012 | Dec 2025 | Solar |
| Boston Scientific Solar | RWE Clean Energy | Quincy, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2012 | 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 |
| WED Portsmouth One, LLC | Greenbacker Renewable Energy Corporation | Portsmouth, RI | ISO New England (ISNE) | 4.9 GWh | Jul 2016 | Dec 2025 | Wind |
| Stafford Hill Solar Hybrid | Green Mountain Power Corp | Rutland, VT | ISO New England (ISNE) | 355.0 MWh | Feb 2015 | Jun 2026 | Solar |
| 158th Fighter Wing Solar Farm | 158th Fighter Wing | South Burlington, VT | ISO New England (ISNE) | 1.5 GWh | Aug 2011 | Dec 2025 | Solar |
| Holliston Solar CSG | MN8 Energy LLC | Holliston, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2015 | Dec 2025 | Solar |
| GMP Solar - Panton Hybrid | Green Mountain Power Corp | Panton, VT | ISO New England (ISNE) | 8.4 GWh | Nov 2016 | Aug 2026 | Solar |
| UI RCP Woodbridge FC | United Illuminating Co | Woodbridge, CT | ISO New England (ISNE) | 16.7 GWh | Nov 2016 | Dec 2025 | Natural Gas |
| GMP Solar - Richmond | Green Mountain Power Corp | Richmond, VT | ISO New England (ISNE) | 2.7 GWh | Sep 2016 | Aug 2026 | Solar |
| AIS Solar Project | Terraform Arcadia | Leominster, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2016 | Dec 2025 | Solar |
| Bashaw Solar CSG 1, LLC | Bashaw Solar 1, LLC | Newbury, MA | ISO New England (ISNE) | 2.9 GWh | Mar 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 |
| Hampshire College Hybrid | Tesla Inc. | Amherst, MA | ISO New England (ISNE) | 2.6 GWh | Apr 2017 | Dec 2025 | Solar |
| Town of Lexington Solar | Syncarpha Lexington, LLC | Lexington, MA | ISO New England (ISNE) | 2.5 GWh | Apr 2017 | Dec 2025 | Solar |
| Orbit Energy RI | Anaergia | Johnston, RI | ISO New England (ISNE) | 144.0 MWh | Jun 2017 | Dec 2024 | Other Biomass Gas |
| VEC Magee Hill Solar | SoCore Energy LLC | Hinesburgh, VT | ISO New England (ISNE) | 1.6 GWh | Oct 2017 | Dec 2025 | Solar |
| Curtis Hill Solar CSG | CCC Solar Holdings LLC | Charlton, MA | ISO New England (ISNE) | 3.0 GWh | Sep 2016 | 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 |
| Bird Machine Solar Farm | Bird Machine Solar Farm, LLC | South Walpole, MA | ISO New England (ISNE) | 5.9 GWh | Jul 2017 | Dec 2025 | Solar |
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 |