Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Whatley Renewables | Whatley Renewables, LLC | Whatley, MA | ISO New England (ISNE) | 1.7 GWh | Sep 2020 | Dec 2023 | Solar |
| Holliston LLC | Greenbacker Renewable Energy Corporation | Holliston, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2020 | Dec 2023 | Solar |
| CoreSite - Somerville | Bloom Energy | Somerville, MA | ISO New England (ISNE) | 29.8 GWh | Aug 2020 | Dec 2023 | Natural Gas |
| Norton LLC | Greenbacker Renewable Energy Corporation | Norton, MA | ISO New England (ISNE) | 4.6 GWh | Aug 2020 | Dec 2023 | Solar |
| Easthampton CSG | Easthampton Park Solar 1, LLC | Easthampton, MA | ISO New England (ISNE) | 3.5 GWh | Aug 2020 | Dec 2023 | Solar |
| Erving CSG | Erving Poplar Mountain Solar 1, LLC | Erving, MA | ISO New England (ISNE) | 1.4 GWh | Aug 2020 | Dec 2023 | Solar |
| Seaboard Oxford, LLC | Navisun LLC | Oxford, MA | ISO New England (ISNE) | 2.7 GWh | Jul 2020 | Dec 2023 | Solar |
| Woodland Avenue Solar 1 | Woodland Avenue Solar 1, LLC | Seekonk, MA | ISO New England (ISNE) | 8.4 GWh | Jul 2020 | Dec 2023 | Solar |
| McDougle-Mitchell Solar Project Hybrid CSG | AES Distributed Energy | Charlton, MA | ISO New England (ISNE) | 7.3 GWh | Jul 2020 | Dec 2023 | Solar |
| Partridge Hill Solar Hybrid | AES Distributed Energy | Charlton, MA | ISO New England (ISNE) | 2.8 GWh | Jun 2020 | Dec 2023 | Solar |
| Griffin Road Solar 2 | Griffin Road Solar 2, LLC | Charlton, MA | ISO New England (ISNE) | 2.2 GWh | May 2020 | Dec 2023 | Solar |
| 28 Livermore Hill Road Solar | 28 Livermore Hill Road Solar, LLC | Westminster, MA | ISO New England (ISNE) | 7.5 GWh | May 2020 | Dec 2023 | Solar |
| Sunpin Blandford | Blandford Sun, LLC | Southwick, MA | ISO New England (ISNE) | 6.2 GWh | May 2020 | Nov 2023 | Solar |
| Cycz Solar Project CSG Hybrid | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 3.1 GWh | May 2020 | Dec 2023 | Solar |
| Cronin Road Solar 1, LLC CSG Hybrid | AES Distributed Energy | Warren, MA | ISO New England (ISNE) | 3.5 GWh | May 2020 | Dec 2023 | Solar : 99.7% |
| Spencer Solar MA | Citizens Enterprises Corporation | Spencer, MA | ISO New England (ISNE) | 2.8 GWh | Feb 2020 | Dec 2023 | Solar |
| Fitchburg Renewables | Fitchburg Renewables, LLC | Fitchburg, MA | ISO New England (ISNE) | 6.1 GWh | Feb 2020 | Dec 2023 | Solar |
| Hurteau Solar Project Hybrid | AES Distributed Energy | Uxbridge, MA | ISO New England (ISNE) | 3.1 GWh | Feb 2020 | Dec 2023 | Solar : 98.8% |
| Oxford Solar | Citizens Enterprises Corporation | Oxford, MA | ISO New England (ISNE) | 6.5 GWh | Jan 2020 | Dec 2023 | Solar |
| Kearsarge Acushnet | Kearsarge Acushnet LLC | Acushnet, MA | ISO New England (ISNE) | 3.4 GWh | Jan 2020 | Dec 2023 | Solar |
| Wilmarth Solar | Wilmarth Lane Solar 1, LLC | Plainville, MA | ISO New England (ISNE) | 8.3 GWh | Jan 2020 | Dec 2023 | Solar |
| Rounseville Solar | Rounseville Solar 1, LLC | Rochester, MA | ISO New England (ISNE) | 4.3 GWh | Jan 2020 | Dec 2023 | Solar |
| Partridgeville Hybrid CSG | Partridgeville Road Solar 1, LLC | Athol, MA | ISO New England (ISNE) | 5.5 GWh | Dec 2019 | Dec 2023 | Solar |
| Goose Pond Solar | LSE Dorado, LLC | Southwick, MA | ISO New England (ISNE) | 7.0 GWh | Dec 2019 | Dec 2023 | Solar |
| Ashland Solar | Citizens Enterprises Corporation | Ashland, MA | ISO New England (ISNE) | 6.8 GWh | Nov 2019 | Dec 2023 | Solar |
| Long Plain Solar | Long Plain Solar, LLC | Whatley, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2019 | Dec 2023 | Solar |
| CED Northampton Solar LLC Hybrid | Consolidated Edison Development Inc. | Northampton, MA | ISO New England (ISNE) | 6.5 GWh | Nov 2019 | Dec 2023 | Solar |
| Hadley 3 Solar (South) | Hadley 3 Solar, LLC (South) | Hadley, MA | ISO New England (ISNE) | 4.8 GWh | Nov 2019 | Dec 2023 | Solar |
| Hadley 3 Solar (North) | Hadley 3 Solar, LLC (North) | Hadley, MA | ISO New England (ISNE) | 4.8 GWh | Nov 2019 | Dec 2023 | Solar |
| Montague Road Solar | Montague Road Solar, LLC | Amherst, MA | ISO New England (ISNE) | 3.9 GWh | Nov 2019 | Dec 2023 | Solar |
| Oak Street Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 5.4 GWh | Nov 2019 | Dec 2023 | Solar |
| One Patriot | Bloom Energy | Foxborough, MA | ISO New England (ISNE) | 13.1 GWh | Nov 2019 | Dec 2023 | Natural Gas |
| Holiday Hill Community Wind | Greenbacker Renewable Energy Corporation | Russell, MA | ISO New England (ISNE) | 9.5 GWh | Nov 2019 | Dec 2023 | Wind |
| Kearsarge Amesbury Hybrid | Kearsarge Amesbury LLC | Amesbury, MA | ISO New England (ISNE) | 5.1 GWh | Nov 2019 | Dec 2023 | Solar |
| West Street Solar 1 LLC | AES Distributed Energy | Gardner, MA | ISO New England (ISNE) | 8.5 GWh | Nov 2019 | Dec 2023 | Solar |
| Syncarpha Blandford Hybrid CSG | Syncarpha Blandford, LLC | Blandford, MA | ISO New England (ISNE) | 8.1 GWh | Nov 2019 | Dec 2023 | Solar |
| Hampden Solar PV | NSTAR Electric Company | Hampden, MA | ISO New England (ISNE) | 5.1 GWh | Oct 2019 | Dec 2023 | Solar |
| East Longmeadow Solar PV | NSTAR Electric Company | East Longmeadow, MA | ISO New England (ISNE) | 5.7 GWh | Sep 2019 | Dec 2023 | Solar |
| Palmer | AES Distributed Energy | Palmer, MA | ISO New England (ISNE) | 5.9 GWh | Sep 2019 | Dec 2023 | Solar |
| Happy Hollow CSG Hybrid | REA Investments, LLC | Winchendon, MA | ISO New England (ISNE) | 8.0 GWh | Sep 2019 | Dec 2023 | Solar |
| Gardner - Otter River Road | Otter River Road Solar LLC | Gardner, MA | ISO New England (ISNE) | 3.9 GWh | Sep 2019 | Dec 2023 | Solar |
| Wachusett Solar | Wachusett Solar, LLC | Rutland, MA | ISO New England (ISNE) | 3.3 GWh | Jul 2019 | Dec 2023 | Solar |
| Williamsburg | AES Distributed Energy | Goshen, MA | ISO New England (ISNE) | 5.8 GWh | Jun 2019 | Dec 2023 | Solar |
| Signature Breads Chelsea | JDC 65R Owner, LLC | Chelsea, MA | ISO New England (ISNE) | 2.0 MWh | Apr 2019 | Dec 2023 | Distillate Fuel Oil |
| Carver CSG | Altus Power America Management, LLC | Carver, MA | ISO New England (ISNE) | 1.7 GWh | Apr 2019 | Dec 2023 | Solar |
| Centech Gas Generator | Town of Shrewsbury - (MA) | Shrewsbury, MA | ISO New England (ISNE) | 340.0 MWh | Mar 2019 | Dec 2023 | Natural Gas |
| Hopkinton CSG | Altus Power America Management, LLC | Hopkinton, MA | ISO New England (ISNE) | 2.7 GWh | Mar 2019 | Dec 2023 | Solar |
| Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 210.2 GWh | Feb 2019 | Aug 2024 | Natural Gas : 99.6% |
| Bowden Solar LLC | 38DN Power Fund 1 LLC | Monson, MA | ISO New England (ISNE) | 3.4 GWh | Feb 2019 | Dec 2023 | Solar |
| GSPP Raynham TMLP, LLC CSG | Green Street Power Partners | Raynham, MA | ISO New England (ISNE) | 3.7 GWh | Jan 2019 | Dec 2023 | Solar |
| GSPP Terrawatt Westfield LLC CSG | Green Street Power Partners | Westfield, MA | ISO New England (ISNE) | 5.9 GWh | Jan 2019 | Dec 2023 | Solar |
| Savoy Solar PV | NSTAR Electric Company | Savoy, MA | ISO New England (ISNE) | 3.1 GWh | Jan 2019 | Dec 2023 | Solar |
| Southampton Solar PV | NSTAR Electric Company | Southampton, MA | ISO New England (ISNE) | 2.6 GWh | Jan 2019 | Dec 2023 | Solar |
| Plainfield Community Solar LLC | Plainfield Solar LLC | Plainfield, MA | ISO New England (ISNE) | 2.6 GWh | Jan 2019 | Dec 2023 | Solar |
| Greenfield Solar PV | NSTAR Electric Company | Greenfield, MA | ISO New England (ISNE) | 3.0 GWh | Dec 2018 | Dec 2023 | Solar |
| GSPP Boxborough Littleton (MA) | GSPP Boxborough Littleton, LLC | Boxborough, MA | ISO New England (ISNE) | 5.2 GWh | Dec 2018 | Dec 2023 | Solar |
| GSPP Devens, LLC | Green Street Power Partners | Ayer, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2018 | Dec 2023 | Solar |
| Hinsdale Solar PV | NSTAR Electric Company | Hinsdale, MA | ISO New England (ISNE) | 2.9 GWh | Dec 2018 | Dec 2023 | Solar |
| Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 6.2 GWh | Dec 2018 | Dec 2023 | Solar |
| Southwick Solar PV | NSTAR Electric Company | Southwick, MA | ISO New England (ISNE) | 8.2 GWh | Dec 2018 | Aug 2024 | Solar |
| Wareham Solar PV | NSTAR Electric Company | Wareham, MA | ISO New England (ISNE) | 1.2 GWh | Nov 2018 | Dec 2023 | Solar |
| Lakeville Solar | C2 MA Lakeville, LLC | Lakeville, MA | ISO New England (ISNE) | 3.1 GWh | Nov 2018 | Dec 2023 | Solar |
| Washburn Road Solar | REA Investments, LLC | Freetown, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2018 | Dec 2023 | Solar |
| Hatfield Solar PV | NSTAR Electric Company | Hatfield, MA | ISO New England (ISNE) | 5.5 GWh | Nov 2018 | Dec 2023 | Solar |
| BWC Pocasset River | BWC Pocasset River, LLC | Wareham, MA | ISO New England (ISNE) | 2.3 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 |
| BWC Wareham River | BWC Wareham River, LLC | Wareham, MA | ISO New England (ISNE) | 1.8 GWh | Nov 2018 | Dec 2023 | Solar |
| BWC Gibbs Brook | BWC Gibbs Brook, LLC | Wareham, MA | ISO New England (ISNE) | 6.6 GWh | Nov 2018 | Dec 2023 | Solar |
| BWC Origination 18 | BWC Origination 18, LLC | Mattapoisett, MA | ISO New England (ISNE) | 7.4 GWh | Nov 2018 | Dec 2023 | Solar |
| Adirondack A+B Community Solar Garden | BWC Connecticut River LLC | Westport, MA | ISO New England (ISNE) | 8.5 GWh | Nov 2018 | Dec 2023 | Solar |
| Tanglewood Circle Solar 1 LLC | Tanglewood Circle Solar 1 LLC | Becket, MA | ISO New England (ISNE) | 7.3 GWh | Oct 2018 | Dec 2023 | Solar |
| Westport B Community Solar Garden | BWC Hamilton Brook LLC | Westport, MA | ISO New England (ISNE) | 7.1 GWh | Oct 2018 | Dec 2023 | Solar |
| Natick Mall | Natick Mall | Natick, MA | ISO New England (ISNE) | 3.2 GWh | Sep 2018 | Dec 2023 | Solar |
| Montague Site 36-Grosolar | NSTAR Electric Company | Millers Falls, MA | ISO New England (ISNE) | 5.7 GWh | Sep 2018 | Aug 2024 | Solar |
| East Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 1.9 GWh | Sep 2018 | Dec 2023 | Solar |
| Westminster Renewables, LLC CSG | Westminster Renewables, LLC | Westminster, MA | ISO New England (ISNE) | 2.5 GWh | Sep 2018 | Dec 2023 | Solar |
| Winchendon Landfill Solar | Onyx Asset Services Group | Winchendon, MA | ISO New England (ISNE) | 3.0 GWh | Sep 2018 | Dec 2023 | Solar |
| Big George PV CSG | Altus Power America Management, LLC | Plymouth, MA | ISO New England (ISNE) | 1.4 GWh | Aug 2018 | Dec 2023 | Solar |
| Sunderland Solar PV | NSTAR Electric Company | Sunderland, MA | ISO New England (ISNE) | 1.7 GWh | Aug 2018 | Dec 2023 | Solar |
| Kearsarge Uxbridge | Kearsarge Uxbridge LLC | Uxbridge, MA | ISO New England (ISNE) | 3.3 GWh | Aug 2018 | Dec 2023 | Solar |
| 580 River Solar | NuGen Capital Management | Winchendon, MA | ISO New England (ISNE) | 4.5 GWh | Aug 2018 | Dec 2023 | Solar |
| Lee Site 31 Solar | NSTAR Electric Company | Lee, MA | ISO New England (ISNE) | 2.3 GWh | Jul 2018 | Dec 2023 | Solar |
| Antanavica Solar | Cypress Creek Renewables | Leicester, MA | ISO New England (ISNE) | 1.5 GWh | Jul 2018 | Dec 2023 | Solar |
| Ludlow Site 72 - Conti | NSTAR Electric Company | Ludlow, MA | ISO New England (ISNE) | 2.3 GWh | Jul 2018 | Dec 2023 | Solar |
| Pittsfield 44 - M&W PV | NSTAR Electric Company | Pittsfield, MA | ISO New England (ISNE) | 1.5 GWh | Jul 2018 | Dec 2023 | Solar |
| Kearsarge GB | Kearsarge GB LLC | Great Barrington, MA | ISO New England (ISNE) | 3.1 GWh | Jul 2018 | Dec 2023 | Solar |
| Dudley | AMP MA Dudley | Dudley, MA | ISO New England (ISNE) | 4.6 GWh | Jun 2018 | Dec 2023 | Solar |
| Bullock Road Solar 1 | Bullock Road Solar 1, LLC | Freetown, MA | ISO New England (ISNE) | 12.1 GWh | Jun 2018 | Dec 2023 | Solar |
| Ashby Solar, LLC CSG | Ashby Solar, LLC | Fitchburg, MA | ISO New England (ISNE) | 2.7 GWh | Jun 2018 | Dec 2023 | Solar |
| Kearsarge Montague | Kearsarge Montague LLC | Montague, MA | ISO New England (ISNE) | 6.8 GWh | May 2018 | Dec 2023 | Solar |
| SELCO Community Solar | Massachusetts Mun Wholes Electric Co | Shrewsbury, MA | ISO New England (ISNE) | 4.9 GWh | May 2018 | Dec 2023 | Solar |
| Lilly Lane | LSE Chamaeleon LLC | Charlton, MA | ISO New England (ISNE) | 1.7 GWh | May 2018 | Dec 2023 | Solar |
| Middleton Solar Park | HG Solar Development, LLC | Middleton, MA | ISO New England (ISNE) | 7.5 GWh | May 2018 | Dec 2023 | Solar |
| Plymouth Solar | NSTAR Electric Company | Plymouth, MA | ISO New England (ISNE) | 1.5 GWh | May 2018 | Dec 2023 | Solar |
| Joe Jenny | AMP MA Joe Jenny | Oxford, MA | ISO New England (ISNE) | 2.4 GWh | Apr 2018 | Dec 2023 | Solar |
| Salem Harbor Power Development LP | Salem Harbor Power Development LP | Salem, MA | ISO New England (ISNE) | 1.0 TWh | Apr 2018 | Aug 2024 | Natural Gas |
| Stafford St 2 Community Solar | Stafford St Solar 2, LLC | Lecister, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2018 | Dec 2023 | Solar |
| Boutillier Solar, LLC CSG | 38 Degrees North, LLC | Leicester, MA | ISO New England (ISNE) | 4.7 GWh | Mar 2018 | Dec 2023 | Solar |
| Theodore Drive Community Solar | Theodore Drive Solar, LLC | Westminster, MA | ISO New England (ISNE) | 2.4 GWh | Feb 2018 | 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 |
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 | 7.9 GWh |
| Berkshire County, MA | # 12 | 37 | 58.0 GWh |
| Hampshire County, MA | # 11 | 35 | 139.7 GWh |
| Barnstable County, MA | # 10 | 21 | 268.8 GWh |
| Suffolk County, MA | # 9 | 13 | 455.9 GWh |
| Franklin County, MA | # 8 | 31 | 500.0 GWh |
| Bristol County, MA | # 7 | 68 | 674.3 GWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Plymouth County, MA | # 6 | 73 | 849.2 GWh |
| Hampden County, MA | # 5 | 84 | 1.3 TWh |
| Essex County, MA | # 4 | 37 | 2.1 TWh |
| Middlesex County, MA | # 3 | 65 | 3.8 TWh |
| Worcester County, MA | # 2 | 188 | 4.4 TWh |
| Norfolk County, MA | # 1 | 36 | 5.9 TWh |