Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Maple(CSG) | Maple Street Solar 1, LLC | Bellingham, MA | ISO New England (ISNE) | 3.2 GWh | Oct 2021 | Dec 2022 | Solar |
| West Haydenville PJ Community Solar | AES Distributed Energy | Williamsburg, MA | ISO New England (ISNE) | 8.5 GWh | Aug 2022 | Dec 2023 | Solar |
| Alicea Solar Project Hybrid CSG | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 3.8 GWh | Nov 2020 | Dec 2023 | Solar |
| Wilbur Woods Solar LLC | AES Distributed Energy | Orange, MA | ISO New England (ISNE) | 8.4 GWh | Aug 2021 | Dec 2023 | Solar |
| West Street Solar 1 LLC | AES Distributed Energy | Gardner, MA | ISO New England (ISNE) | 8.8 GWh | Nov 2019 | Dec 2023 | Solar |
| Middleton Solar Park | HG Solar Development, LLC | Middleton, MA | ISO New England (ISNE) | 7.8 GWh | May 2018 | Dec 2023 | Solar |
| Brookfield Wire Company | Dynamic Energy Solutions, LLC | Brookfield, MA | ISO New England (ISNE) | 2.1 GWh | May 2016 | Dec 2023 | Solar |
| Partridge Hill Solar Hybrid | AES Distributed Energy | Charlton, MA | ISO New England (ISNE) | 2.9 GWh | Jun 2020 | Dec 2023 | Solar |
| Natick Mall | Natick Mall | Natick, MA | ISO New England (ISNE) | 2.4 GWh | Sep 2018 | Dec 2022 | Solar |
| Sutton Solar 2, LLC CSG | Sutton Solar 2, LLC | Sutton, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2020 | Dec 2023 | Solar |
| Granby Solar, LLC CSG | Granby Solar, LLC | Granby, MA | ISO New England (ISNE) | 5.6 GWh | Jun 2021 | Dec 2022 | Solar |
| Kearsarge Amesbury Hybrid | Kearsarge Amesbury LLC | Amesbury, MA | ISO New England (ISNE) | 5.9 GWh | Nov 2019 | Dec 2022 | Solar |
| W. Orange Rd Solar LLC | AES Distributed Energy | Orange, MA | ISO New England (ISNE) | 7.4 GWh | Aug 2021 | Dec 2023 | Solar |
| McDougle-Mitchell Solar Project Hybrid CSG | AES Distributed Energy | Charlton, MA | ISO New England (ISNE) | 7.6 GWh | Jul 2020 | Dec 2023 | Solar |
| Cycz Solar Project CSG Hybrid | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 3.3 GWh | May 2020 | Dec 2023 | Solar |
| West A&B Solar Project Hybrid CSG | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 4.7 GWh | Nov 2020 | Dec 2023 | Solar |
| Annese Solar Project Hybrid CSG | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 7.3 GWh | Nov 2020 | Dec 2023 | Solar |
| Randall Solar Project Hybrid | AES Distributed Energy | Berlin, MA | ISO New England (ISNE) | 8.9 GWh | Jun 2021 | Dec 2023 | Solar |
| St. Joseph's Solar, LLC CSG | 38 Degrees North, LLC | Charlton, MA | ISO New England (ISNE) | 1.8 GWh | Nov 2017 | Dec 2022 | Solar |
| Boutillier Solar, LLC CSG | 38 Degrees North, LLC | Leicester, MA | ISO New England (ISNE) | 5.0 GWh | Mar 2018 | Dec 2022 | Solar |
| Blair Wire Village Solar, LLC CSG | 38 Degrees North, LLC | Spencer, MA | ISO New England (ISNE) | 1.8 GWh | Nov 2017 | Dec 2022 | Solar |
| Halifax Solar | NuGen Capital Management | Halifax, MA | ISO New England (ISNE) | 4.1 GWh | Jul 2015 | Dec 2023 | Solar |
| East Acres Solar NG, LLC | NuGen Capital Management | Pittsfield, MA | ISO New England (ISNE) | 5.0 GWh | Mar 2017 | Dec 2023 | Solar |
| DG Tufts Science LLC CSG | DG Tufts Science, LLC | North Grafton, MA | ISO New England (ISNE) | 1.6 GWh | Jan 2017 | Dec 2022 | Solar |
| DG Dighton LLC CSG | DG Dighton, LLC | Dighton, MA | ISO New England (ISNE) | 6.3 GWh | Jun 2017 | Dec 2023 | Solar |
| DG Tufts Knoll LLC CSG | DG Tufts Knoll, LLC | North Grafton, MA | ISO New England (ISNE) | 2.9 GWh | Jul 2017 | Dec 2023 | Solar |
| DG Webster LLC CSG | DG Webster, LLC | Webster, MA | ISO New England (ISNE) | 2.6 GWh | Nov 2017 | Dec 2022 | Solar |
| Onyx - Pembroke Landfill Solar | Onyx Asset Services Group | Pembroke, MA | ISO New England (ISNE) | 3.8 GWh | Nov 2017 | Dec 2023 | Solar |
| Onyx - Brockton Thatcher Landfill Solar CSG | Onyx Asset Services Group | Brockton, MA | ISO New England (ISNE) | 4.5 GWh | Oct 2017 | Dec 2023 | Solar |
| MA Solar Storage 1 Hybrid | Origis Energy USA, Inc | Sterling, MA | ISO New England (ISNE) | 1.3 GWh | Feb 2018 | Dec 2023 | Solar |
| Solten Plainville 6000, LLC | Altus Power America Management, LLC | Plainville, MA | ISO New England (ISNE) | 7.2 GWh | Jul 2017 | Dec 2023 | Solar |
| Randolph | Altus Power America Management, LLC | Randolph, MA | ISO New England (ISNE) | 6.2 GWh | Oct 2017 | Dec 2023 | Solar |
| West Brookfield Solar - Gilbertsville Rd (CSG) | Nautilus Solar Solutions | West Brookfield, MA | ISO New England (ISNE) | 6.2 GWh | May 2017 | Dec 2023 | Solar |
| Syncarpha Hancock I CSG | Syncarpha Hancock I, LLC | Hancock, MA | ISO New England (ISNE) | 3.0 GWh | Oct 2017 | Dec 2023 | Solar |
| Syncarpha Hancock II CSG | Syncarpha Hancock II, LLC | Hancock, MA | ISO New England (ISNE) | 3.2 GWh | Oct 2017 | Dec 2023 | Solar |
| Syncarpha Hancock III CSG | Syncarpha Hancock III, LLC | Pittsfield, MA | ISO New England (ISNE) | 1.6 GWh | Oct 2017 | Dec 2023 | Solar |
| Syncarpha Still River, LLC CSG | Syncarpha Still River, LLC | Bolton, MA | ISO New England (ISNE) | 3.6 GWh | Nov 2016 | Dec 2023 | Solar |
| Kearsarge Concord II | Kearsarge Concord II LLC | Concord, MA | ISO New England (ISNE) | 7.1 GWh | Dec 2016 | Dec 2023 | Solar |
| Kearsarge Granby | Kearsarge Granby LLC | Granby, MA | ISO New England (ISNE) | 3.9 GWh | Feb 2017 | Dec 2023 | Solar |
| Wareham Solar PV | NSTAR Electric Company | Wareham, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2018 | Dec 2022 | Solar |
| East Longmeadow Solar PV | NSTAR Electric Company | East Longmeadow, MA | ISO New England (ISNE) | 6.1 GWh | Sep 2019 | Dec 2023 | Solar |
| Greenfield Solar PV | NSTAR Electric Company | Greenfield, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2018 | Dec 2023 | Solar |
| DG Crystal Spring CSG | DG Crystal Spring CSG | Mattapoisett, MA | ISO New England (ISNE) | 7.0 GWh | Jun 2017 | Dec 2023 | Solar |
| Ashby Duffy CSG Solar Farm | LSE Cassiopeia LLC | Ashby, MA | ISO New England (ISNE) | 4.3 GWh | Nov 2017 | Dec 2022 | Solar |
| West Boylston Community Shared Solar | Town of West Boylston - (MA) | West Boylston, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2016 | Dec 2023 | Solar |
| Big George PV CSG | Altus Power America Management, LLC | Plymouth, MA | ISO New England (ISNE) | 1.5 GWh | Aug 2018 | Dec 2023 | Solar |
| 301 Chestnut Solar NG | NuGen Capital Management | East Longmeadow, MA | ISO New England (ISNE) | 2.5 GWh | Mar 2017 | Dec 2023 | Solar |
| Antanavica Solar | Cypress Creek Renewables | Leicester, MA | ISO New England (ISNE) | 1.5 GWh | Jul 2018 | Dec 2023 | Solar |
| Weston Landfill Solar | Ameresco, Inc - Weston | Weston, MA | ISO New England (ISNE) | 2.9 GWh | Feb 2016 | Dec 2023 | Solar |
| Braintree Landfill Solar | Ameresco, Inc - Braintree | Braintree, MA | ISO New England (ISNE) | 1.2 GWh | Nov 2014 | Dec 2023 | Solar |
| GELD Solar Farm | Ameresco, Inc - GELD | Groton, MA | ISO New England (ISNE) | 3.6 GWh | May 2016 | Dec 2023 | Solar |
| DG Haverhill CSG | DG Haverhill | Haverhill, MA | ISO New England (ISNE) | 1.8 GWh | Aug 2017 | Dec 2023 | Solar |
| Hinsdale Solar PV | NSTAR Electric Company | Hinsdale, MA | ISO New England (ISNE) | 3.0 GWh | Dec 2018 | Dec 2023 | Solar |
| Falmouth Landfill Solar | Citizens Enterprises Corporation | Falmouth, MA | ISO New England (ISNE) | 4.7 GWh | Mar 2017 | Dec 2023 | Solar |
| DG Foxborough Elm CSG | DG Foxborough Elm | Foxborough, MA | ISO New England (ISNE) | 4.2 GWh | Jul 2017 | Dec 2023 | Solar |
| Town of Foxborough - Landfill (SREC II) CSG | Town of Foxborough - Landfill (SREC II) | Foxborough, MA | ISO New England (ISNE) | 2.1 GWh | Jul 2017 | Dec 2022 | Solar |
| Citizens Agawam Landfill Solar | Citizens Enterprises Corporation | Agawam, MA | ISO New England (ISNE) | 2.9 GWh | Mar 2017 | Dec 2023 | Solar |
| Norton Landfill Solar | Citizens Enterprises Corporation | Norton, MA | ISO New England (ISNE) | 2.5 GWh | Dec 2016 | Dec 2023 | Solar |
| Tyngsborough Solar | Citizens Enterprises Corporation | Tyngsborough, MA | ISO New England (ISNE) | 4.1 GWh | Dec 2016 | Dec 2023 | Solar |
| CED Chicopee Solar | Consolidated Edison Development Inc. | Chicopee, MA | ISO New England (ISNE) | 5.5 GWh | Jun 2017 | Dec 2022 | Solar |
| UMASS | Consolidated Edison Development Inc. | Amherst, MA | ISO New England (ISNE) | 7.4 GWh | Sep 2016 | Dec 2022 | Solar |
| BWC Pocasset River | BWC Pocasset River, LLC | Wareham, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2018 | Dec 2023 | Solar |
| Pittsfield 44 - M&W PV | NSTAR Electric Company | Pittsfield, MA | ISO New England (ISNE) | 1.6 GWh | Jul 2018 | Dec 2023 | Solar |
| Lee Site 31 Solar | NSTAR Electric Company | Lee, MA | ISO New England (ISNE) | 2.4 GWh | Jul 2018 | Dec 2023 | Solar |
| Plymouth Solar | NSTAR Electric Company | Plymouth, MA | ISO New England (ISNE) | 1.5 GWh | May 2018 | Dec 2023 | Solar |
| Dynamic - Walpole | AES Distributed Energy | Walpole, MA | ISO New England (ISNE) | 3.0 GWh | May 2017 | Dec 2023 | Solar |
| Barre Solar III LLC | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 1.5 GWh | Feb 2018 | Dec 2023 | Solar |
| BWC Origination 18 | BWC Origination 18, LLC | Mattapoisett, MA | ISO New England (ISNE) | 7.7 GWh | Nov 2018 | Dec 2023 | Solar |
| BWC Gibbs Brook | BWC Gibbs Brook, LLC | Wareham, MA | ISO New England (ISNE) | 6.9 GWh | Nov 2018 | Dec 2023 | Solar |
| BWC Wareham River | BWC Wareham River, LLC | Wareham, MA | ISO New England (ISNE) | 1.8 GWh | Nov 2018 | Dec 2023 | Solar |
| BWC Harlow Brook | BWC Harlow Brook, LLC | Wareham, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2018 | Dec 2023 | Solar |
| Easthampton CSG | Easthampton Park Solar 1, LLC | Easthampton, MA | ISO New England (ISNE) | 3.7 GWh | Aug 2020 | Dec 2023 | Solar |
| Winchendon Landfill Solar | Onyx Asset Services Group | Winchendon, MA | ISO New England (ISNE) | 3.1 GWh | Sep 2018 | Dec 2023 | Solar |
| Kearsarge GB | Kearsarge GB LLC | Great Barrington, MA | ISO New England (ISNE) | 3.3 GWh | Jul 2018 | Dec 2023 | Solar |
| Kearsarge Uxbridge | Kearsarge Uxbridge LLC | Uxbridge, MA | ISO New England (ISNE) | 3.4 GWh | Aug 2018 | Dec 2023 | Solar |
| Kearsarge Montague | Kearsarge Montague LLC | Montague, MA | ISO New England (ISNE) | 7.0 GWh | May 2018 | Dec 2023 | Solar |
| Kearsarge Wilmington | Kearsarge Wilmington LLC | Wilmington, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2017 | Dec 2023 | Solar |
| Plainfield Community Solar LLC | Plainfield Solar LLC | Plainfield, MA | ISO New England (ISNE) | 2.7 GWh | Jan 2019 | Dec 2023 | Solar |
| Tolland Solar NG LLC | NuGen Capital Management | Tolland, MA | ISO New England (ISNE) | 5.0 GWh | Sep 2014 | Dec 2023 | Solar |
| Tanglewood Circle Solar 1 LLC | Tanglewood Circle Solar 1 LLC | Becket, MA | ISO New England (ISNE) | 7.6 GWh | Oct 2018 | Dec 2023 | Solar |
| Washburn Road Solar | REA Investments, LLC | Freetown, MA | ISO New England (ISNE) | 3.1 GWh | Nov 2018 | Dec 2023 | Solar |
| Ludlow Site 72 - Conti | NSTAR Electric Company | Ludlow, MA | ISO New England (ISNE) | 2.4 GWh | Jul 2018 | Dec 2023 | Solar |
| Savoy Solar PV | NSTAR Electric Company | Savoy, MA | ISO New England (ISNE) | 3.2 GWh | Jan 2019 | Dec 2023 | Solar |
| Southampton Solar PV | NSTAR Electric Company | Southampton, MA | ISO New England (ISNE) | 2.7 GWh | Jan 2019 | Dec 2023 | Solar |
| Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 6.4 GWh | Dec 2018 | Dec 2023 | Solar |
| Hampden Solar PV | NSTAR Electric Company | Hampden, MA | ISO New England (ISNE) | 5.3 GWh | Oct 2019 | Dec 2023 | Solar |
| Southwick Solar PV | NSTAR Electric Company | Southwick, MA | ISO New England (ISNE) | 9.1 GWh | Dec 2018 | Jun 2024 | Solar |
| Sunderland Solar PV | NSTAR Electric Company | Sunderland, MA | ISO New England (ISNE) | 1.7 GWh | Aug 2018 | Dec 2023 | Solar |
| Hatfield Solar PV | NSTAR Electric Company | Hatfield, MA | ISO New England (ISNE) | 5.7 GWh | Nov 2018 | Dec 2023 | Solar |
| Montague Site 36-Grosolar | NSTAR Electric Company | Millers Falls, MA | ISO New England (ISNE) | 6.2 GWh | Sep 2018 | Jun 2024 | Solar |
| East Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2018 | Dec 2023 | Solar |
| Happy Hollow CSG Hybrid | REA Investments, LLC | Winchendon, MA | ISO New England (ISNE) | 8.3 GWh | Sep 2019 | Dec 2023 | Solar |
| Palmer | AES Distributed Energy | Palmer, MA | ISO New England (ISNE) | 6.1 GWh | Sep 2019 | Dec 2023 | Solar |
| Hadley 2 Solar, LLC CSG | Hadley 2 Solar, LLC | Hadley, MA | ISO New England (ISNE) | 3.1 GWh | Nov 2016 | Dec 2023 | Solar |
| East Bridgewater Solar | Altus Power America Management, LLC | East Bridgewater, MA | ISO New England (ISNE) | 3.5 GWh | Oct 2017 | Dec 2023 | Solar |
| Griffin Road Solar, LLC CSG | Griffin Road Solar, LLC | Charlton, MA | ISO New England (ISNE) | 3.3 GWh | Feb 2018 | Dec 2023 | Solar |
| Ashby Solar, LLC CSG | Ashby Solar, LLC | Fitchburg, MA | ISO New England (ISNE) | 2.8 GWh | Jun 2018 | Dec 2023 | Solar |
| Dudley Solar CSG | Dudley Solar, LLC | Dudley, MA | ISO New England (ISNE) | 2.9 GWh | Jul 2017 | Dec 2023 | Solar |
| Williamsburg | AES Distributed Energy | Goshen, MA | ISO New England (ISNE) | 6.0 GWh | Jun 2019 | Dec 2023 | Solar |
| Monson Solar, LLC | Monson Solar, LLC | Monson, MA | ISO New England (ISNE) | 3.3 GWh | Jul 2017 | Dec 2023 | Solar |
Browse Power Plants By Massachusetts Counties
Figures are based on December 2023 generation numbers.| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Dukes County, MA | # 13 | 7 | 8.5 GWh |
| Berkshire County, MA | # 12 | 35 | 58.2 GWh |
| Hampshire County, MA | # 11 | 35 | 144.9 GWh |
| Barnstable County, MA | # 10 | 21 | 157.3 GWh |
| Franklin County, MA | # 9 | 31 | 437.0 GWh |
| Suffolk County, MA | # 8 | 13 | 494.5 GWh |
| Bristol County, MA | # 7 | 68 | 593.5 GWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Plymouth County, MA | # 6 | 73 | 871.2 GWh |
| Hampden County, MA | # 5 | 83 | 1.4 TWh |
| Essex County, MA | # 4 | 37 | 2.0 TWh |
| Middlesex County, MA | # 3 | 65 | 4.1 TWh |
| Worcester County, MA | # 2 | 188 | 4.8 TWh |
| Norfolk County, MA | # 1 | 36 | 6.4 TWh |