Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Clark University | Clark University | Worcester, MA | ISO New England (ISNE) | 3.6 GWh | Dec 2012 | Dec 2025 | Natural Gas |
| CED Westfield Solar, LLC | RWE Clean Energy | Westfield, MA | ISO New England (ISNE) | 2.7 GWh | Jul 2016 | Dec 2025 | Solar |
| Cronin Road Solar 1, LLC CSG Hybrid | AES Distributed Energy | Warren, MA | ISO New England (ISNE) | 3.4 GWh | May 2020 | Dec 2025 | Solar |
| Cranberry Highway Solar LLC | Cranberry Highway Solar, LLC | Wareham, MA | ISO New England (ISNE) | 3.4 GWh | Feb 2021 | Dec 2025 | Solar |
| Cleary Flood Hybrid | City of Taunton - (MA) | Taunton, MA | ISO New England (ISNE) | 54.2 GWh | May 1966 | Dec 2025 | Natural Gas : 94.0% Distillate Fuel Oil : 6.0% |
| Chocksett Rd Energy Storage Project | Sterling Municipal Light Department - (MA) | Sterling, MA | ISO New England (ISNE) | 62.0 MWh | Mar 2017 | Dec 2025 | Electricity used for energy storage |
| CES Sterling LLC | SunEdison LLC | Sterling, MA | ISO New England (ISNE) | 2.9 GWh | Jan 2013 | Dec 2025 | Solar |
| Chicopee River Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 2.9 GWh | Dec 2014 | Dec 2025 | Solar |
| Cottage Street Solar Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 3.9 GWh | Apr 2014 | May 2026 | Solar |
| Cycz Solar Project CSG Hybrid | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 2.9 GWh | May 2020 | Dec 2025 | Solar |
| Cohasse Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.5 GWh | Sep 2017 | Dec 2025 | Solar |
| CoreSite - Somerville | Bloom Energy | Somerville, MA | ISO New England (ISNE) | 27.8 GWh | Aug 2020 | Dec 2025 | Natural Gas |
| Centech Gas Generator | Town of Shrewsbury - (MA) | Shrewsbury, MA | ISO New England (ISNE) | 428.0 MWh | Mar 2019 | Dec 2025 | Natural Gas |
| Canal | Canal Generating LLC | Sandwich, MA | ISO New England (ISNE) | 546.2 GWh | May 1968 | May 2026 | Residual Fuel Oil : 55.3% Natural Gas : 34.6% Distillate Fuel Oil : 10.1% |
| Cape Cod Air Force Station - 6 SWS | US Space Force | Sagamore, MA | ISO New England (ISNE) | 6.2 GWh | Dec 2013 | May 2026 | Wind |
| Camelot Wind LLC | Camelot Wind LLC | Plymouth, MA | ISO New England (ISNE) | 2.3 GWh | Sep 2012 | Dec 2024 | Wind |
| Cedarville CSG | Altus Power America Management, LLC | Plymouth, MA | ISO New England (ISNE) | 914.0 MWh | Jun 2017 | Dec 2025 | Solar |
| CED Northampton Solar LLC Hybrid | RWE Clean Energy | Northampton, MA | ISO New England (ISNE) | 6.5 GWh | Nov 2019 | Dec 2025 | Solar |
| Carver | Captona Carver LLC | North Carver, MA | ISO New England (ISNE) | 1.8 GWh | Apr 2017 | Dec 2025 | Solar |
| Cabot | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 239.5 GWh | Dec 1914 | Dec 2025 | Water |
| Cranberry Solar | GWE Cranberry Solar RT, LLC | Middleborough, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2016 | Dec 2025 | Solar |
| Cherry Valley Solar, LLC CSG | 38 Degrees North, LLC | Leicester, MA | ISO New England (ISNE) | 1.5 GWh | Oct 2017 | Dec 2025 | Solar |
| Cherry Street | Town of Hudson - (MA) | Hudson, MA | ISO New England (ISNE) | 320.0 MWh | Apr 1951 | Dec 2025 | Distillate Fuel Oil : 58.5% Natural Gas : 41.5% |
| Chemical | City of Holyoke Gas and Elec Dept - (MA) | Holyoke, MA | ISO New England (ISNE) | 5.1 GWh | Dec 1934 | Dec 2025 | Water |
| Cabot Holyoke | City of Holyoke Gas and Elec Dept - (MA) | Holyoke, MA | ISO New England (ISNE) | 3.0 GWh | Dec 1892 | Dec 2025 | Water |
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | ISO New England (ISNE) | 287.3 GWh | Apr 1989 | May 2026 | Non-biogenic Municipal Solid Waste : 52.8% Biogenic Municipal Solid Waste : 43.2% Distillate Fuel Oil : 4.1% |
| Cobble Mountain | City of Holyoke Gas and Elec Dept - (MA) | Granville, MA | ISO New England (ISNE) | 7.1 GWh | Dec 1929 | Dec 2025 | Water |
| Clark Road Solar 1, LLC | Clark Road Solar 1, LLC | Gardner, MA | ISO New England (ISNE) | 8.0 GWh | Nov 2020 | Dec 2025 | Solar |
| Concord Solar Farm | Kearsarge Solar LLC | Concord, MA | ISO New England (ISNE) | 1.9 GWh | Mar 2014 | Dec 2025 | Solar |
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | ISO New England (ISNE) | 646.0 MWh | Dec 1968 | Jan 2025 | Water |
| CED Chicopee Solar | RWE Clean Energy | Chicopee, MA | ISO New England (ISNE) | 4.8 GWh | Jun 2017 | Dec 2025 | Solar |
| Chicopee Granby Road Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 2.4 GWh | Dec 2014 | Dec 2025 | Solar |
| Chicopee Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 4.4 GWh | Nov 2013 | Dec 2025 | Solar |
| Chicopee | Captona Chicopee LLC | Chicopee, MA | ISO New England (ISNE) | 2.3 GWh | Mar 2017 | Dec 2025 | Solar |
| Chester Solar Farm | Kearsarge Solar LLC | Chester, MA | ISO New England (ISNE) | 6.0 GWh | May 2014 | Dec 2025 | Solar |
| Chatham Landfill | Clean Focus Yield, LLC | Chatham, MA | ISO New England (ISNE) | 2.4 GWh | Aug 2014 | Dec 2025 | Solar |
| Curtis Hill Solar CSG | CCC Solar Holdings LLC | Charlton, MA | ISO New England (ISNE) | 2.8 GWh | Sep 2016 | Dec 2024 | Solar |
| Charlton Solar I CSG | Charlton Solar I, LLC | Charlton, MA | ISO New England (ISNE) | 5.3 GWh | Nov 2014 | Dec 2025 | Solar |
| Charlestown Wind Turbine | MWRA Charlestown | Charlestown, MA | ISO New England (ISNE) | 1.3 GWh | Sep 2011 | Dec 2025 | Wind |
| Charlemont A | Agilitas Energy, Inc. | Charlemont, MA | ISO New England (ISNE) | 3.1 GWh | Aug 2021 | Dec 2025 | Solar |
| Carver MA 1 Community Solar | Navisun LLC | Carver, MA | ISO New England (ISNE) | 3.1 GWh | Aug 2016 | Dec 2025 | Solar |
| Carver CSG | Altus Power America Management, LLC | Carver, MA | ISO New England (ISNE) | 3.5 GWh | Apr 2019 | Dec 2025 | Solar |
| Canton | Captona Canton LLC | Canton, MA | ISO New England (ISNE) | 6.0 GWh | Jul 2012 | Dec 2025 | Solar |
| CVEC Round 4 Brewster Captn Golf Course | Freemans Way Solar Project 2019, LLC | Brewster, MA | ISO New England (ISNE) | 1.1 GWh | Feb 2022 | Dec 2025 | Solar |
| Centaurus Solar - MA | LSE Centaurus LLC | Ashland, MA | ISO New England (ISNE) | 3.1 GWh | Oct 2016 | Dec 2025 | Solar |
| Central Heating Plant | University of Massachusetts Amherst | Amherst, MA | ISO New England (ISNE) | 79.6 GWh | Sep 2007 | Dec 2025 | Natural Gas : 96.3% Distillate Fuel Oil : 3.7% |
| CES Agawam Tuckahoe Solar Hybrid | CES Agawam Tuckahoe Solar LLC | Agawam, MA | ISO New England (ISNE) | 6.7 GWh | Nov 2021 | Dec 2025 | Solar |
| Citizens Agawam Landfill Solar | Citizens Enterprises Corporation | Agawam, MA | ISO New England (ISNE) | 2.6 GWh | Mar 2017 | Dec 2025 | Solar |
Browse Power Plants By Massachusetts Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Franklin County, MA | # 13 | 33 | 182.1 GWh |
| Berkshire County, MA | # 12 | 46 | 198.8 GWh |
| Hampshire County, MA | # 11 | 39 | 226.9 GWh |
| Dukes County, MA | # 10 | 7 | 376.1 GWh |
| Suffolk County, MA | # 9 | 14 | 428.0 GWh |
| Barnstable County, MA | # 8 | 25 | 628.3 GWh |
| Bristol County, MA | # 7 | 74 | 645.8 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Plymouth County, MA | # 6 | 84 | 814.7 GWh |
| Hampden County, MA | # 5 | 89 | 1.9 TWh |
| Middlesex County, MA | # 4 | 68 | 1.9 TWh |
| Essex County, MA | # 3 | 41 | 2.5 TWh |
| Worcester County, MA | # 2 | 197 | 5.4 TWh |
| Norfolk County, MA | # 1 | 40 | 6.7 TWh |