Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| ZPD-PT Solar Project 2017-021 LLC Hybrid | AES Distributed Energy | Wilbraham, MA | ISO New England (ISNE) | 1.9 GWh | Dec 2020 | Dec 2024 | Solar |
| ZPD-PT Solar Project 2017-023 LLC Hybrid | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 3.5 GWh | Dec 2020 | Dec 2024 | Solar |
| ZPD-PT Solar Project 2017-038 Hybrid LLC | AES Distributed Energy | Lancaster, MA | ISO New England (ISNE) | 6.8 GWh | Mar 2021 | Dec 2024 | Solar |
| ZPD-PT Solar Project 2017-044 LLC CSG | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 1.3 GWh | Sep 2021 | 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 |
| 1 Commercial | Madison Energy Investments LLC | Sharon, MA | ISO New England (ISNE) | 770.0 MWh | Aug 2023 | Dec 2024 | Solar |
| 115 G Fisher | Greenbacker Renewable Energy Corporation | Middleborough, MA | ISO New England (ISNE) | 1.5 GWh | Sep 2015 | Dec 2024 | Solar |
| 118 Echo | Madison Energy Investments LLC | Mashpee, MA | ISO New England (ISNE) | 4.0 MWh | Jun 2023 | Dec 2024 | Solar |
| 126 Grove Solar LLC | Altus Power America Management, LLC | Franklin, MA | ISO New England (ISNE) | 1.6 GWh | May 2012 | Dec 2024 | Solar |
| 154 D Fisher | Greenbacker Renewable Energy Corporation | Middleborough, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2015 | 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 |
| 196 Tremont St(CSG) | 196TRE WHAM8 Solar, LLC | Carver, MA | ISO New England (ISNE) | 4.2 GWh | Oct 2021 | Dec 2024 | Solar |
| 201 Sturbridge B | Altus Power America Management, LLC | Brimfield, MA | ISO New England (ISNE) | 2.1 GWh | May 2014 | Dec 2024 | Solar |
| 205 Sturbridge A | Altus Power America Management, LLC | Brimfield, MA | ISO New England (ISNE) | 2.9 GWh | May 2014 | Dec 2024 | Solar |
| 265 Pleasant Solar NG, LLC | NuGen Capital Management | Lunenburg, MA | ISO New England (ISNE) | 1.4 GWh | Jun 2014 | Dec 2024 | Solar |
| 276 Federal Rd(CSG) | 276FED WHAM8 Solar, LLC | Carver, MA | ISO New England (ISNE) | 10.1 GWh | Oct 2021 | Dec 2024 | Solar |
| 28 Livermore Hill Road Solar | 28 Livermore Hill Road Solar, LLC | Westminster, MA | ISO New England (ISNE) | 7.9 GWh | May 2020 | Dec 2024 | Solar |
| 299 Farm to Market Rd Hybrid(CSG) | 299F2M WHAM8 Solar, LLC | Wareham, MA | ISO New England (ISNE) | 5.6 GWh | Nov 2021 | Dec 2024 | Solar |
| 301 Chestnut Solar NG | NuGen Capital Management | East Longmeadow, MA | ISO New England (ISNE) | 2.4 GWh | Mar 2017 | Dec 2024 | Solar |
| 3Colton | Madison Energy Holdings LLC | Millbury, MA | ISO New England (ISNE) | 5.1 GWh | Jun 2023 | Dec 2024 | Solar |
| 401 South | Madison Energy Investments LLC | Dalton, MA | Southern Company Services, Inc. - Trans (SOCO) | 403.0 MWh | Nov 2023 | Dec 2024 | Solar |
| 433 Purchase Solar NG, LLC | NuGen Capital Management | Swansea, MA | ISO New England (ISNE) | 3.8 GWh | Mar 2012 | Dec 2024 | Solar |
| 5 Berry | Madison Energy Investments LLC | Plainsville, MA | ISO New England (ISNE) | 3.9 GWh | Aug 2023 | Dec 2024 | Solar |
| 515 Main Saugus | 515 Main Saugus LLC | Saugus, MA | ISO New England (ISNE) | 2.0 GWh | Aug 2017 | Dec 2024 | Solar |
| 580 River Solar | NuGen Capital Management | Winchendon, MA | ISO New England (ISNE) | 4.7 GWh | Aug 2018 | 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 |
| 651 Chase Solar NG | NuGen Capital Management | Lunenburg, MA | ISO New England (ISNE) | 4.0 GWh | May 2014 | 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 |
Browse Power Plants By Massachusetts Counties
Figures are based on September 2025 generation numbers.| County | State Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Barnstable County, MA | # 8 | 23 | 435.9 GWh |
| Berkshire County, MA | # 12 | 44 | 250.6 GWh |
| Bristol County, MA | # 6 | 71 | 947.8 GWh |
| Dukes County, MA | # 13 | 7 | 9.9 GWh |
| Essex County, MA | # 4 | 39 | 2.5 TWh |
| Franklin County, MA | # 10 | 33 | 290.3 GWh |
| Hampden County, MA | # 5 | 86 | 1.7 TWh |
| County | State Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Hampshire County, MA | # 11 | 37 | 270.0 GWh |
| Middlesex County, MA | # 3 | 68 | 3.7 TWh |
| Norfolk County, MA | # 1 | 38 | 7.3 TWh |
| Plymouth County, MA | # 7 | 84 | 848.5 GWh |
| Suffolk County, MA | # 9 | 13 | 429.2 GWh |
| Worcester County, MA | # 2 | 190 | 4.9 TWh |