Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Ravenbrook | Captona Ravenbrook LLC | Carver, MA | ISO New England (ISNE) | 6.9 GWh | Nov 2013 | Dec 2024 | Solar |
| Randolph | Altus Power America Management, LLC | Randolph, MA | ISO New England (ISNE) | 6.0 GWh | Oct 2017 | Dec 2024 | Solar |
| Randall Solar Project Hybrid | AES Distributed Energy | Berlin, MA | ISO New England (ISNE) | 7.9 GWh | Jun 2021 | Dec 2024 | Solar |
| Rail Trail | Altus Power America Management, LLC | Great Barrington, MA | ISO New England (ISNE) | 3.3 GWh | Apr 2016 | Dec 2024 | Solar |
| Raboth - Marion Drive | Madison Energy Holdings LLC | Kingston, MA | ISO New England (ISNE) | 5.1 GWh | Feb 2021 | Dec 2024 | Solar |
| Quittacas Pond Solar | Consolidated Edison Solutions Inc. | Rochester, MA | ISO New England (ISNE) | 5.1 GWh | Nov 2013 | Dec 2024 | Solar |
| Putts Bridge | Central Rivers Power MA, LLC | Ludlow, MA | ISO New England (ISNE) | 16.0 GWh | Dec 1917 | Dec 2024 | Water |
| Pulpit Hill | LSE Fornax LLC | Amherst, MA | ISO New England (ISNE) | 7.2 GWh | Jun 2019 | Dec 2024 | Solar |
| Princeton Wind Farm | Town of Princeton - (MA) | Princeton, MA | ISO New England (ISNE) | 3.7 GWh | Dec 2009 | Dec 2024 | Wind |
| Potter Station 2 | Town of Braintree - (MA) | Braintree, MA | ISO New England (ISNE) | 23.3 GWh | Jun 1963 | Dec 2024 | Natural Gas : 93.9% Distillate Fuel Oil : 6.1% |
| Plympton Main Street Solar, LLC | REA Investments, LLC | Plympton, MA | ISO New England (ISNE) | 7.5 GWh | Nov 2023 | Dec 2024 | Solar |
| Plympton Lake Street Solar | REA Investments, LLC | Plympton, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2022 | Dec 2024 | Solar |
| Plymouth Solar | NSTAR Electric Company | Plymouth, MA | ISO New England (ISNE) | 1.5 GWh | May 2018 | Dec 2024 | Solar |
| Plymouth Site 1 | CleanCapital Holdings | Plympton, MA | ISO New England (ISNE) | 7.2 GWh | Sep 2013 | Dec 2024 | Solar |
| Pleasantdale Road Community Solar | Pleasantdale Road Solar, LLC | Rutland, MA | ISO New England (ISNE) | 1.4 GWh | Aug 2017 | Dec 2024 | Solar |
| Plainfield Community Solar LLC | Plainfield Solar LLC | Plainfield, MA | ISO New England (ISNE) | 3.4 GWh | Jan 2019 | Dec 2024 | Solar |
| Pittsfield Generating LP | Pittsfield Generating Company, LP | Pittsfield, MA | ISO New England (ISNE) | 123.3 GWh | Jun 1990 | Sep 2025 | Natural Gas : 98.6% Distillate Fuel Oil : 1.4% |
| Pittsfield 44 - M&W PV | NSTAR Electric Company | Pittsfield, MA | ISO New England (ISNE) | 1.7 GWh | Jul 2018 | Dec 2024 | Solar |
| Peterson Road Solar | Peterson Road Solar, LLC | Palmer, MA | ISO New England (ISNE) | 4.4 GWh | Mar 2017 | Dec 2024 | Solar |
| Peru (MA) | Sunrise on West Main Rd. LLC | Peru, MA | ISO New England (ISNE) | 5.2 GWh | Oct 2020 | Dec 2024 | Solar |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 3.7 GWh | Dec 1919 | Sep 2025 | Water |
| Partridgeville Hybrid CSG | Partridgeville Road Solar 1, LLC | Athol, MA | ISO New England (ISNE) | 5.7 GWh | Dec 2019 | Dec 2024 | Solar |
| Partridge Solar | SoCore Energy LLC | Lanesborough, MA | ISO New England (ISNE) | 8.0 GWh | Aug 2022 | Dec 2024 | Solar |
| Partridge Hill Solar Hybrid | AES Distributed Energy | Charlton, MA | ISO New England (ISNE) | 3.2 GWh | Jun 2020 | Dec 2024 | Solar |
| Palombo Solar, LLC CSG | 38 Degrees North, LLC | Uxbridge, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2017 | Dec 2024 | Solar |
| Palombo B Solar, LLC CSG | 38 Degrees North, LLC | Uxbridge, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2017 | Dec 2024 | Solar |
| Palmer Landfill | Syncarpha Bondsville, LLC | Palmer, MA | ISO New England (ISNE) | 6.3 GWh | Nov 2016 | Dec 2024 | Solar |
| Palmer | AES Distributed Energy | Palmer, MA | ISO New England (ISNE) | 5.9 GWh | Sep 2019 | Dec 2024 | Solar |
| Padelford Solar | Consolidated Edison Solutions Inc. | Berkley, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2012 | Dec 2024 | Solar |
| Oxford Solar | Citizens Enterprises Corporation | Oxford, MA | ISO New England (ISNE) | 6.3 GWh | Jan 2020 | Dec 2024 | Solar |
| Oxford | CVI CleanCapital Solar 6 | Oxford, MA | ISO New England (ISNE) | 4.2 GWh | Jun 2014 | Dec 2024 | Solar |
| Overlook | Westbound Solar 3, LLC | Westminster, MA | ISO New England (ISNE) | 6.9 GWh | Feb 2023 | Dec 2024 | Solar |
| OSG Solar 1 LLC | Navisun LLC | Orange, MA | ISO New England (ISNE) | 3.2 GWh | Jun 2012 | Dec 2024 | Solar |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2013 | Dec 2024 | Solar |
| Onyx - Pembroke Landfill Solar | Onyx Asset Services Group | Pembroke, MA | ISO New England (ISNE) | 3.3 GWh | Nov 2017 | Dec 2024 | Solar |
| Onyx - Brockton Thatcher Landfill Solar | Onyx Asset Services Group | Brockton, MA | ISO New England (ISNE) | 5.1 GWh | Oct 2017 | Dec 2024 | Solar |
| Onset West Community Solar Facility | Kearsarge Onset LLC | Wareham, MA | ISO New England (ISNE) | 1.8 GWh | Mar 2016 | Dec 2024 | Solar |
| Onset East Community Solar Facility | Kearsarge Onset LLC | Wareham, MA | ISO New England (ISNE) | 1.8 GWh | Mar 2016 | Dec 2024 | Solar |
| One Patriot | Bloom Energy | Foxborough, MA | ISO New England (ISNE) | 16.3 GWh | Nov 2019 | Dec 2024 | Natural Gas |
| Old Wardour Solar | NuGen Capital Management | East Brookfield, MA | ISO New England (ISNE) | 6.6 GWh | Dec 2015 | Dec 2024 | Solar |
| Old Middleboro Road Solar | Agilitas Energy, Inc. | Rochester, MA | ISO New England (ISNE) | 10.9 GWh | Dec 2022 | Dec 2024 | Solar |
| Old Frontier Solar III | Old Frontier Solar III PV, LLC | South Deerfield, MA | ISO New England (ISNE) | 4.1 GWh | Aug 2022 | Dec 2024 | Solar |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 13.9 GWh | Apr 1951 | Dec 2024 | Water |
| Oak Street Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 5.6 GWh | Nov 2019 | Dec 2024 | Solar |
| Oak Bluffs Diesel Generating Facility | Vineyard Reliability LLC | Oak Bluffs, MA | ISO New England (ISNE) | 2.1 GWh | Dec 1968 | Dec 2024 | Distillate Fuel Oil |
| Nunnepog | Clean Focus Yield, LLC | Edgartown, MA | ISO New England (ISNE) | 1.7 GWh | May 2014 | 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 |
| Norton Powerhouse 2 | Norton Powerhouse 2 | Worcester, MA | ISO New England (ISNE) | 28.6 GWh | Oct 2022 | Dec 2024 | Natural Gas |
| Norton LLC | Greenbacker Renewable Energy Corporation | Norton, MA | ISO New England (ISNE) | 4.0 GWh | Aug 2020 | Apr 2024 | Solar |
| Norton Landfill Solar | Citizens Enterprises Corporation | Norton, MA | ISO New England (ISNE) | 2.4 GWh | Dec 2016 | Dec 2024 | Solar |
| Norton | Madison Energy Holdings LLC | Norton, MA | ISO New England (ISNE) | 1.5 GWh | Feb 2023 | Dec 2024 | Solar |
| Northbridge Solar | Consolidated Edison Development Inc. | South Grafton, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2013 | Dec 2024 | Solar |
| Northampton Landfill Solar PV | Ameresco Glendale Road Solar PV LLC | Northampton, MA | ISO New England (ISNE) | 3.8 GWh | Oct 2017 | Dec 2024 | Solar |
| North Brookfield | Mass Solar, LLC | North Brookfield, MA | ISO New England (ISNE) | 4.2 GWh | May 2014 | Dec 2024 | Solar |
| North Adams Landfill | Syncarpha North Adams, LLC | North Adams, MA | ISO New England (ISNE) | 3.5 GWh | Sep 2015 | Dec 2024 | Solar |
| Nolan | LSE Crater LLC | Great Barrington, MA | ISO New England (ISNE) | 1.5 GWh | Oct 2017 | Dec 2024 | Solar |
| NFM Solar Power LLC | FirstLight Power Resources, Inc. - MA | Northfield, MA | ISO New England (ISNE) | 1.9 GWh | Feb 2012 | Dec 2024 | Solar |
| Nextsun Energy Littleton | Greenbacker Renewable Energy Corporation | Littleton, MA | ISO New England (ISNE) | 5.3 GWh | Sep 2013 | Dec 2024 | Solar |
| Nexamp Peak CSG | Nexamp Peak, LLC | Hancock, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2015 | Dec 2024 | Solar |
| Newton Rumford Landfill | Newton Municipal Solar LLC - Rumford | Newton, MA | ISO New England (ISNE) | 2.7 GWh | Jun 2017 | Dec 2024 | Solar |
| New Marlborough | Sunrise on Knight Rd. LLC | New Marlborough, MA | ISO New England (ISNE) | 7.4 GWh | May 2021 | Dec 2024 | Solar |
| New England Wind LLC | Avangrid Power LLC | Florida, MA | ISO New England (ISNE) | 74.8 GWh | Nov 2012 | Sep 2025 | Wind |
| New Bedford (MA) Plymouth | BWC Origination 4, LLC | Plymouth, MA | ISO New England (ISNE) | 7.0 GWh | Jun 2014 | Dec 2024 | Solar |
| NEDC Solar Site | Massachusetts Electric Co | Whitinsville, MA | ISO New England (ISNE) | 979.0 MWh | May 2010 | Dec 2024 | Solar |
| NE Renewable Fitchburg, LLC | NE Renewable Fitchburg, LLC | Westminster, MA | ISO New England (ISNE) | 61.2 GWh | Jul 1992 | Dec 2024 | Wood/Wood Waste Solids : 98.1% Natural Gas : 1.9% |
| Nationwide | Nationwide Solar Energy LLC | Lancaster, MA | ISO New England (ISNE) | 5.5 GWh | May 2021 | Dec 2024 | Solar |
| Natick Mall | Natick Mall | Natick, MA | ISO New England (ISNE) | 3.6 GWh | Sep 2018 | Dec 2024 | Solar |
| Mystic Generating Station | Constellation Mystic Power LLC | Charlestown, MA | ISO New England (ISNE) | 1.8 TWh | May 1969 | Mar 2024 | Natural Gas |
| Mt Wachusett Community College | Mt Wachusett Community College | Gardner, MA | ISO New England (ISNE) | 4.3 GWh | Feb 2011 | Sep 2025 | Wind |
| Mt. Tom Solar Project Hybrid | Mt. Tom Solar, LLC | Holyoke, MA | ISO New England (ISNE) | 4.2 GWh | Dec 2016 | Dec 2024 | Solar |
| Morin Solar 2013 LLC | CVI CleanCapital Solar 6 | Warren, MA | ISO New England (ISNE) | 5.0 GWh | Nov 2013 | Dec 2024 | Solar |
| Monument Valley | LSE Lepus LLC | Great Barrington, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2021 | Dec 2024 | Solar |
| Montague Site 36-Grosolar | NSTAR Electric Company | Millers Falls, MA | ISO New England (ISNE) | 5.9 GWh | Sep 2018 | Sep 2025 | Solar |
| Montague Road Solar | Montague Road Solar, LLC | Amherst, MA | ISO New England (ISNE) | 4.8 GWh | Nov 2019 | Dec 2024 | Solar |
| Monson Solar, LLC | Monson Solar, LLC | Monson, MA | ISO New England (ISNE) | 3.3 GWh | Jul 2017 | Dec 2024 | Solar |
| Monson Solar | Altus Power America Management, LLC | Monson, MA | ISO New England (ISNE) | 4.0 GWh | Jun 2014 | Dec 2024 | Solar |
| MM Taunton Energy | MM Taunton Energy LLC | Taunton, MA | ISO New England (ISNE) | 5.8 GWh | Aug 1997 | Dec 2024 | Landfill Gas |
| Millis MA 1 | Millis MA 1 LLC | Millis, MA | ISO New England (ISNE) | 1.6 GWh | Oct 2018 | Dec 2024 | Solar |
| Millennium Power | Millennium Power Company, LLC | Charlton, MA | ISO New England (ISNE) | 482.2 GWh | Mar 2001 | Sep 2025 | Natural Gas |
| Millbury Solar | Evergreen Wind, LLC | Millbury, MA | ISO New England (ISNE) | 4.2 GWh | Mar 2014 | Dec 2024 | Solar |
| Millbury MA #1092 | Millbury MA #1092 LLC | Millbury, MA | ISO New England (ISNE) | 1.7 GWh | May 2019 | Dec 2024 | Solar |
| Milford Power LP | Milford Power LLC | Milford, MA | ISO New England (ISNE) | 253.1 GWh | Feb 1993 | Dec 2024 | Natural Gas |
| Middleton Solar Park | HG Solar Development, LLC | Middleton, MA | ISO New England (ISNE) | 6.8 GWh | May 2018 | Dec 2024 | Solar |
| Methuen Landfill | CleanCapital Holdings | Methuen, MA | ISO New England (ISNE) | 1.6 GWh | Jun 2013 | Dec 2024 | Solar |
| Merrimac Solar | Consolidated Edison Development Inc. | Merrimac, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2013 | Dec 2024 | Solar |
| Mendon | BWC Box Pond LLC | Mendon, MA | ISO New England (ISNE) | 3.8 GWh | Nov 2017 | Dec 2024 | Solar |
| Medical Area Total Energy Plant | MATEP LLC | Boston, MA | ISO New England (ISNE) | 318.1 GWh | Dec 1979 | Dec 2024 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Meadow Solar | Altus Power America Management, LLC | Boston, MA | ISO New England (ISNE) | 4.3 GWh | Nov 2016 | Dec 2024 | Solar |
| MDFA Devens-Saratoga | Terraform Arcadia | Devens, MA | ISO New England (ISNE) | 3.5 GWh | Feb 2016 | Dec 2024 | Solar |
| McDougle-Mitchell Solar Project Hybrid C | AES Distributed Energy | Charlton, MA | ISO New England (ISNE) | 7.5 GWh | Jul 2020 | Dec 2024 | Solar |
| Maynard PV | Terraform Arcadia | Maynard, MA | ISO New England (ISNE) | 1.2 GWh | Dec 2013 | Dec 2024 | Solar |
| Masspower | Masspower | Indian Orchard, MA | ISO New England (ISNE) | 475.7 GWh | Jun 1993 | Dec 2024 | Natural Gas |
| 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 |
| Mass Inst Tech Cntrl Utilities/Cogen Plt | Massachusetts Inst of Tech | Cambridge, MA | ISO New England (ISNE) | 204.8 GWh | May 1995 | Dec 2024 | Natural Gas |
| Mashpee Landfill Solar | Nautilus Solar Solutions | Mashpee, MA | ISO New England (ISNE) | 2.3 GWh | Aug 2014 | Dec 2024 | Solar |
| Marston Mills Solar | SoCore Energy LLC | Marstons Mills, MA | ISO New England (ISNE) | 5.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Marshfield PV | Terraform Arcadia | Marshfield, MA | ISO New England (ISNE) | 5.2 GWh | Nov 2013 | Dec 2024 | Solar |
| Maple(CSG) | Maple Street Solar 1, LLC | Bellingham, MA | ISO New England (ISNE) | 6.7 GWh | Oct 2021 | Dec 2024 | Solar |
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 |