Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Acushnet MA 2 (CSG) | Navisun LLC | Acushnet, MA | ISO New England (ISNE) | 1.4 GWh | Feb 2024 | Dec 2024 | Solar |
| West Haydenville PJ Community Solar | AES Distributed Energy | Williamsburg, MA | ISO New England (ISNE) | 8.6 GWh | Aug 2022 | Dec 2024 | Solar |
| Brookwood Drive Community Solar | AES Distributed Energy | Westport, MA | ISO New England (ISNE) | 7.0 GWh | Jul 2022 | Dec 2024 | Solar |
| Maple(CSG) | Maple Street Solar 1, LLC | Bellingham, MA | ISO New England (ISNE) | 6.7 GWh | Oct 2021 | Dec 2024 | Solar |
| Old Middleboro Road Solar | Agilitas Energy, Inc. | Rochester, MA | ISO New England (ISNE) | 10.9 GWh | Dec 2022 | Dec 2024 | Solar |
| Three Rivers Solar LLC | ASD Three Rivers Road MA Solar LLC | Wilbraham, MA | ISO New England (ISNE) | 154.0 MWh | Oct 2024 | Dec 2024 | Solar |
| Carver | Captona Carver LLC | North Carver, MA | ISO New England (ISNE) | 1.9 GWh | Apr 2017 | Dec 2024 | Solar |
| 0 Hammond St CSG | 0HAM WHAM8 Solar, LLC | Carver, MA | ISO New England (ISNE) | 14.4 GWh | Sep 2021 | Dec 2024 | Solar |
| 59 Federal Rd(CSG) | 59FED WHAM8 Solar, LLC | Carver, MA | ISO New England (ISNE) | 11.3 GWh | Oct 2021 | Dec 2024 | Solar |
| UMass Boston | MSS Energy Holdings, LLC (d.b.a. Calibrant Energy) | Dorchester, MA | ISO New England (ISNE) | 1.1 GWh | Dec 1971 | Dec 2024 | Solar |
| ASD Cotuit MA Solar LLC | ASD Cotuit MA Solar LLC | Sandwich, MA | ISO New England (ISNE) | 2.2 GWh | Oct 2023 | Dec 2024 | Solar |
| ASD Wallum MA Solar LLC(CSG) | ASD Wallum MA Solar LLC | Douglas, MA | ISO New England (ISNE) | 9.4 GWh | Dec 2021 | Dec 2024 | Solar |
| 71 Charlotte Furnace Rd Hybrid(CSG) | 71CFR WHAM8 Solar, LLC | Wareham, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2021 | Dec 2024 | Solar |
| 77 Farm to Market Rd Hybrid(CSG) | 77F2M WHAM8 Solar, LLC | Wareham, MA | ISO New England (ISNE) | 9.4 GWh | Nov 2021 | Dec 2024 | Solar |
| 160 Tihonet Rd Hybrid(CSG) | 160TIH WHAM8 Solar, LLC | Wareham, MA | ISO New England (ISNE) | 9.8 GWh | Nov 2021 | Dec 2024 | Solar |
| Leicester One MA Solar LLC | CVI CleanCapital Solar 1 LLC | Leicester, MA | ISO New England (ISNE) | 5.6 GWh | Dec 2014 | Dec 2024 | Solar |
| Amherst College Co Gen | Amherst College | Amherst, MA | ISO New England (ISNE) | 6.9 GWh | Oct 2006 | Dec 2024 | Natural Gas |
| NFM Solar Power LLC | FirstLight Power Resources, Inc. - MA | Northfield, MA | ISO New England (ISNE) | 1.9 GWh | Feb 2012 | Dec 2024 | Solar |
| Acushnet AD Makepeace | CleanCapital Holdings | Wareham, MA | ISO New England (ISNE) | 6.0 GWh | Jun 2012 | Dec 2024 | Solar |
| Acushnet Hawes Reed Road | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2012 | Dec 2024 | Solar |
| Easthampton Landfill-City of Easthampton | CleanCapital Holdings | Easthampton, MA | ISO New England (ISNE) | 2.9 GWh | May 2012 | Dec 2024 | Solar |
| Mass Midstate Solar 3 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 6.3 GWh | Apr 2014 | Dec 2024 | Solar |
| Mass Midstate Solar 2 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.3 GWh | Apr 2014 | Dec 2024 | Solar |
| Mass Midstate Solar 1 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.2 GWh | Apr 2014 | Dec 2024 | Solar |
| Millbury Solar | Evergreen Wind, LLC | Millbury, MA | ISO New England (ISNE) | 4.2 GWh | Mar 2014 | Dec 2024 | Solar |
| Wilson Solar (MA) | Consolidated Edison Solutions Inc. | Spencer, MA | ISO New England (ISNE) | 1.6 GWh | May 2013 | Dec 2024 | Solar |
| Freetown Solar | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 5.9 GWh | Feb 2015 | Dec 2024 | Solar |
| Quittacas Pond Solar | Consolidated Edison Solutions Inc. | Rochester, MA | ISO New England (ISNE) | 5.1 GWh | Nov 2013 | Dec 2024 | Solar |
| Northbridge Solar | Consolidated Edison Development Inc. | South Grafton, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2013 | Dec 2024 | Solar |
| CES Sterling LLC | SunEdison LLC | Sterling, MA | ISO New England (ISNE) | 3.2 GWh | Jan 2013 | Dec 2024 | Solar |
| Bellingham PV | Terraform Arcadia | Douglas, MA | ISO New England (ISNE) | 4.3 GWh | Sep 2013 | Dec 2024 | Solar |
| Marshfield PV | Terraform Arcadia | Marshfield, MA | ISO New England (ISNE) | 5.2 GWh | Nov 2013 | Dec 2024 | Solar |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2013 | Dec 2024 | Solar |
| Maynard PV | Terraform Arcadia | Maynard, MA | ISO New England (ISNE) | 1.2 GWh | Dec 2013 | Dec 2024 | Solar |
| Southbridge PV | Terraform Arcadia | Southbridge, MA | ISO New England (ISNE) | 4.4 GWh | Dec 2013 | 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 |
| Dartmouth Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 2.0 GWh | Feb 2011 | Dec 2024 | Solar |
| Indian Orchard PV Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2011 | Dec 2024 | Solar |
| Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 805.0 MWh | Nov 2010 | Dec 2024 | Solar |
| Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | ISO New England (ISNE) | 39.1 GWh | Apr 2011 | Sep 2025 | Wind |
| Dartmouth II Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 3.4 GWh | May 2012 | Dec 2024 | Solar |
| Ipswich Wind Turbine | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 1.5 GWh | Apr 2011 | Dec 2024 | Wind |
| Holyoke Solar Cooperative at Mueller | Holyoke Solar LLC | Holyoke, MA | ISO New England (ISNE) | 3.8 GWh | Nov 2011 | Dec 2024 | Solar |
| Douglas Solar | Consolidated Edison Development Inc. | Douglas, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2012 | Dec 2024 | Solar |
| 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 |
| Westford Solar Park | MN8 Energy LLC | Westford, MA | ISO New England (ISNE) | 4.6 GWh | Mar 2012 | Dec 2024 | Solar |
| Groveland Solar | Consolidated Edison Development Inc. | Groveland, MA | ISO New England (ISNE) | 4.5 GWh | Nov 2012 | 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 |
| Mt Wachusett Community College | Mt Wachusett Community College | Gardner, MA | ISO New England (ISNE) | 4.3 GWh | Feb 2011 | Sep 2025 | Wind |
| Padelford Solar | Consolidated Edison Solutions Inc. | Berkley, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2012 | Dec 2024 | Solar |
| Charlestown Wind Turbine | MWRA Charlestown | Charlestown, MA | ISO New England (ISNE) | 1.2 GWh | Sep 2011 | Dec 2024 | Wind |
| Green Meadows | Altus Power America Management, LLC | Sandwich, MA | ISO New England (ISNE) | 5.1 GWh | Apr 2014 | Dec 2024 | Solar |
| 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% |
| 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 |
| 651 Chase Solar NG | NuGen Capital Management | Lunenburg, MA | ISO New England (ISNE) | 4.0 GWh | May 2014 | Dec 2024 | Solar |
| Scituate PV | AES Distributed Energy | Scituate, MA | ISO New England (ISNE) | 3.3 GWh | Sep 2013 | Dec 2024 | Solar |
| Bolton PV | AES Distributed Energy | Bolton, MA | ISO New England (ISNE) | 7.0 GWh | Nov 2013 | Dec 2024 | Solar |
| Stow PV | AES Distributed Energy | Stow, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2013 | Dec 2024 | Solar |
| Agawam Solar | Citizens Enterprises Corporation | Agawam, MA | ISO New England (ISNE) | 2.1 GWh | Feb 2012 | Dec 2024 | Solar |
| Rehoboth Solar | Citizens Enterprises Corporation | Rehoboth, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2013 | Dec 2024 | Solar |
| Chicopee Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 4.6 GWh | Nov 2013 | Dec 2024 | Solar |
| Route 57 Solar | Citizens Enterprises Corporation | Agawam, MA | ISO New England (ISNE) | 2.3 GWh | Feb 2013 | Dec 2024 | Solar |
| EBZ Solar | Citizens Enterprises Corporation | Shirley, MA | ISO New England (ISNE) | 3.7 GWh | Dec 2012 | Dec 2024 | Solar |
| Whately Solar | Citizens Enterprises Corporation | Whately, MA | ISO New England (ISNE) | 2.3 GWh | Feb 2013 | Dec 2024 | Solar |
| Southbridge Landfill Gas-to-Energy | Southbridge Recycling and Disposal Park | Southbridge, MA | ISO New England (ISNE) | 11.9 GWh | Sep 2011 | Dec 2024 | Landfill Gas |
| Brewster Landfill | Clean Focus Yield, LLC | Brewster, MA | ISO New England (ISNE) | 5.3 GWh | Aug 2014 | Dec 2024 | Solar |
| Chatham Landfill | Clean Focus Yield, LLC | Chatham, MA | ISO New England (ISNE) | 2.3 GWh | Aug 2014 | Dec 2024 | Solar |
| Harwich Landfill | Clean Focus Yield, LLC | Harwich, MA | ISO New England (ISNE) | 5.7 GWh | Jul 2014 | Dec 2024 | Solar |
| Katama Farm | Clean Focus Yield, LLC | Edgartown, MA | ISO New England (ISNE) | 1.5 GWh | May 2014 | Dec 2024 | Solar |
| Nunnepog | Clean Focus Yield, LLC | Edgartown, MA | ISO New England (ISNE) | 1.7 GWh | May 2014 | Dec 2024 | Solar |
| Barnstable Landfill | Clean Focus Yield, LLC | Marstons Mills, MA | ISO New England (ISNE) | 5.3 GWh | Aug 2014 | Dec 2024 | Solar |
| Dennis Landfill | Clean Focus Yield, LLC | Dennis, MA | ISO New England (ISNE) | 7.9 GWh | Aug 2014 | Dec 2024 | Solar |
| Lepomis PV Energy LLC | CleanCapital Holdings | Plymouth, MA | ISO New England (ISNE) | 7.8 GWh | May 2014 | Dec 2024 | Solar |
| Rockland Solar CSG | MN8 Energy LLC | Rockland, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2013 | Dec 2024 | Solar |
| Tihonet Solar | Consolidated Edison Solutions Inc. | Wareham, MA | ISO New England (ISNE) | 1.8 GWh | Apr 2014 | Dec 2024 | Solar |
| Merrimac Solar | Consolidated Edison Development Inc. | Merrimac, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2013 | Dec 2024 | Solar |
| Cottage Street Solar Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 3.5 GWh | Apr 2014 | Sep 2025 | Solar |
| Town of East Bridgewater CSG | Tesla Inc. | East Bridgewater, MA | ISO New England (ISNE) | 1.4 GWh | May 2013 | Dec 2024 | Solar |
| Berkshire 1 | PPS Berkshire Solar LLC | Sheffield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2011 | Dec 2024 | Solar |
| North Brookfield | Mass Solar, LLC | North Brookfield, MA | ISO New England (ISNE) | 4.2 GWh | May 2014 | Dec 2024 | Solar |
| Cape Cod Air Force Station - 6 SWS | US Air Force | Sagamore, MA | ISO New England (ISNE) | 4.6 GWh | Dec 2013 | Sep 2025 | Wind |
| Braley Road 2 | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2015 | Dec 2024 | Solar |
| Dartmouth | Mass Solar, LLC | Dartmouth, MA | ISO New England (ISNE) | 7.9 GWh | Mar 2014 | Dec 2024 | Solar |
| Axio Green LLC | Altus Power America Management, LLC | Greenfield Township, MA | ISO New England (ISNE) | 2.5 GWh | May 2012 | Dec 2024 | Solar |
| Notus Wind 1 | Notus Clean Energy LLC | E. Falmouth, MA | ISO New England (ISNE) | 4.3 GWh | Jun 2010 | Dec 2024 | Wind |
| Sudbury Landfill | Heliovaas LLC | Sudbury, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2013 | Dec 2024 | Solar |
| Berkley East Solar LLC | SunEdison LLC | Berkley, MA | ISO New England (ISNE) | 4.7 GWh | Jun 2013 | Dec 2024 | Solar |
| Integrys MA Solar, LLC - Ashburnham Site | Integrys MA Solar, LLC | Ashburnham, MA | ISO New England (ISNE) | 3.5 GWh | Nov 2013 | Dec 2024 | Solar |
| Walpole Solar 2 | Walpole Solar 2, LLC | Walpole, MA | ISO New England (ISNE) | 3.5 GWh | Mar 2014 | Dec 2024 | Solar |
| Gardner Solar 1 | Gardner Solar 1, LLC | Gardner, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2014 | Dec 2024 | Solar |
| Camelot Wind LLC | Camelot Wind LLC | Plymouth, MA | ISO New England (ISNE) | 2.3 GWh | Sep 2012 | Dec 2024 | Wind |
| Fairview Farms Solar | NuGen Capital Management | Whately, MA | ISO New England (ISNE) | 2.9 GWh | May 2014 | Dec 2024 | Solar |
| Dept of Corrections NCCI Wind | Dept of Corrections NCCI Wind | Gardner, MA | ISO New England (ISNE) | 5.6 GWh | Oct 2013 | Sep 2025 | Wind |
| Wilkins Station | Town of Marblehead - (MA) | Marblehead, MA | ISO New England (ISNE) | 94.0 MWh | Oct 1975 | Dec 2024 | Distillate Fuel Oil |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.2 GWh | Jul 1913 | Dec 2024 | Water |
| West Tisbury Generating Facility | Vineyard Reliability LLC | West Tisbury, MA | ISO New England (ISNE) | 3.0 GWh | Dec 1974 | Dec 2024 | Distillate Fuel Oil |
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | ISO New England (ISNE) | 125.4 GWh | Oct 1981 | Sep 2025 | Natural Gas : 74.6% Distillate Fuel Oil : 25.4% |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 25.0 GWh | Jul 1912 | Dec 2024 | Water |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 20.2 GWh | Jul 1912 | Dec 2024 | Water |
Browse Power Plants By Massachusetts Counties
Figures are based on December 2024 generation numbers.| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Dukes County, MA | # 13 | 7 | 9.9 GWh |
| Berkshire County, MA | # 12 | 44 | 250.6 GWh |
| Hampshire County, MA | # 11 | 37 | 270.0 GWh |
| Franklin County, MA | # 10 | 33 | 290.3 GWh |
| Suffolk County, MA | # 9 | 13 | 429.2 GWh |
| Barnstable County, MA | # 8 | 23 | 435.9 GWh |
| Plymouth County, MA | # 7 | 84 | 848.5 GWh |
| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Bristol County, MA | # 6 | 71 | 947.8 GWh |
| Hampden County, MA | # 5 | 86 | 1.7 TWh |
| Essex County, MA | # 4 | 39 | 2.5 TWh |
| Middlesex County, MA | # 3 | 68 | 3.7 TWh |
| Worcester County, MA | # 2 | 190 | 4.9 TWh |
| Norfolk County, MA | # 1 | 38 | 7.3 TWh |