| Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | 13 GWh | Sep 1985 | Dec 2025 |
Water
|
| Medway Grid | Medway Grid LLC | Medway, MA | 20 GWh | - | May 2026 |
Electricity used for energy storage
|
| 15 Glen Harris RD | ME Sandy River LLC | New Sharon, ME | 5 GWh | May 2024 | Dec 2025 |
Solar
|
| ME Fort Fairfield Solar Plant | ME Fort Fairfield LLC | Presque Isle, ME | 4 GWh | Nov 2024 | Dec 2025 |
Solar
|
| ME CDG 005 | ME CDG 005 LLC | Veazie, ME | 3 GWh | Nov 2024 | Dec 2025 |
Solar
|
| ME CDG 004 | ME CDG 004 LLC | Bangor, ME | 3 GWh | Nov 2024 | Dec 2025 |
Solar
|
| Derby Hydro | McCallum Enterprises I LP | Shelton, CT | 23 GWh | Dec 1988 | Dec 2025 |
Water
|
| Hartford Landfill Solar EGF | Materials Innovation Recycling Authority | Hartford, CT | 1 GWh | May 2014 | Dec 2024 |
Solar
|
| Medical Area Total Energy Plant | MATEP LLC | Boston, MA | 318 GWh | Dec 1979 | Dec 2024 |
Natural Gas : 98.3%
Distillate Fuel Oil : 1.7%
|
| Masspower | Masspower | Indian Orchard, MA | 442 GWh | Jun 1993 | Dec 2025 |
Natural Gas
|
| Deer Island Treatment Plant | Massachusetts Wtr Rauth-Deer I | Winthrop, MA | 33 GWh | Jul 1995 | May 2026 |
Other Biomass Gas : 82.5%
Distillate Fuel Oil : 13.1%
Wind : 2.7%
Solar : 1.8%
|
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | 1 GWh | Apr 1951 | Dec 2025 |
Water
|
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | 646 MWh | Dec 1968 | Jan 2025 |
Water
|
| Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | 32 GWh | Apr 2011 | May 2026 |
Wind
|
| MMWEC Simple Cycle Gas Turbine | Massachusetts Mun Wholes Electric Co | Peabody, MA | 8 GWh | Jun 2024 | Dec 2025 |
Distillate Fuel Oil : 69.0%
Natural Gas : 31.0%
|
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | 164 GWh | Oct 1981 | May 2026 |
Distillate Fuel Oil : 61.3%
Natural Gas : 38.7%
|
| SELCO Community Solar | Massachusetts Mun Wholes Electric Co | Shrewsbury, MA | 5 GWh | May 2018 | Dec 2025 |
Solar
|
| Mass Inst Tech Cntrl Utilities/Cogen Plt | Massachusetts Inst of Tech | Cambridge, MA | 209 GWh | May 1995 | Dec 2025 |
Natural Gas
|
| NEDC Solar Site | Massachusetts Electric Co | Whitinsville, MA | 953 MWh | May 2010 | Dec 2025 |
Solar
|
| Haverhill Solar Power Project | Massachusetts Electric Co | Haverhill, MA | 1 GWh | Nov 2010 | Dec 2025 |
Solar
|
| Dorchester Solar Site | Massachusetts Electric Co | Dorchester, MA | 2 GWh | Dec 2011 | Dec 2025 |
Solar
|
| Bridgewater Complex Co-Generation Plant | Massachusetts Department of Correction | Bridgewater, MA | 1 GWh | Oct 2015 | Dec 2025 |
Natural Gas
|
| M Street Jet | Massachusetts Bay Trans Auth | Boston, MA | 294 MWh | Apr 1979 | Dec 2025 |
Kerosene
|
| North Brookfield | Mass Solar, LLC | North Brookfield, MA | 4 GWh | May 2014 | Dec 2025 |
Solar
|
| Braley Road 2 | Mass Solar, LLC | Freetown, MA | 4 GWh | Feb 2015 | Dec 2025 |
Solar
|
| Freetown Solar | Mass Solar, LLC | Freetown, MA | 6 GWh | Feb 2015 | Dec 2025 |
Solar
|
| Dartmouth | Mass Solar, LLC | Dartmouth, MA | 6 GWh | Mar 2014 | Dec 2025 |
Solar
|
| ME - Novel (Lighthouse Ph I) Mars Hill | Mars Hill Road Solar Farm, LLC | Westfield, ME | 4 GWh | Jul 2024 | Dec 2025 |
Solar
|
| Marlborough Solar | Marlborough Solar, LLC | Milton, NY | 3 GWh | Feb 2021 | Dec 2025 |
Solar
|
| Syncarpha Freetown | Marie's Way Solar I, LLC | Freetown, MA | 6 GWh | Oct 2016 | Dec 2025 |
Solar
|
| Maple(CSG) | Maple Street Solar 1, LLC | Bellingham, MA | 7 GWh | Oct 2021 | Dec 2024 |
Solar
|
| Manville Hill Road Solar | Manville Hill Road Solar LLC | Cumberland, RI | 7 GWh | Apr 2021 | Dec 2025 |
Solar
|
| Manchester Street | Manchester Street, LLC. | Providence, RI | 2 TWh | Aug 1995 | May 2026 |
Natural Gas : 92.2%
Distillate Fuel Oil : 7.8%
|
| MMWAC Resource Recovery Facility | Maine Waste to Energy | Auburn, ME | 8 GWh | May 1992 | May 2026 |
Non-biogenic Municipal Solid Waste : 54.0%
Biogenic Municipal Solid Waste : 44.2%
Natural Gas : 1.8%
|
| Pittsfield Solar (N. Main St) | Maine DG Solar Pittsfield, LLC | Pittsfield, ME | 8 GWh | Sep 2023 | Dec 2025 |
Solar
|
| Monmouth | Maine DG Solar Monmouth, LLC | Monmouth, ME | 9 GWh | Feb 2022 | Dec 2025 |
Solar
|
| Harmony Solar (ME) | Maine DG Solar Harmony, LLC | Harmony, ME | 9 GWh | Jul 2022 | Dec 2025 |
Solar
|
| Baldwin (ME) | Maine DG Solar Baldwin, LLC | West Baldwin, ME | 10 GWh | Feb 2022 | Dec 2025 |
Solar
|
| Augusta | Maine DG Solar Augusta, LLC | Augusta, ME | 5 GWh | Feb 2022 | Dec 2025 |
Solar
|
| Roosevelt Trail | Madison Energy Investments LLC | Windham, ME | 1 GWh | Nov 2024 | Dec 2025 |
Solar
|
| SP-339 Mechanic Falls | Madison Energy Investments LLC | Mechanic Falls, ME | 1 GWh | Nov 2024 | Dec 2025 |
Solar
|
| 1 Commercial | Madison Energy Investments LLC | Sharon, MA | 622 MWh | Aug 2023 | Oct 2025 |
Solar
|
| 5 Berry | Madison Energy Investments LLC | Plainsville, MA | 8 GWh | Aug 2023 | Dec 2025 |
Solar
|
| Waterboro | Madison Energy Investments LLC | East Waterboro, ME | 3 GWh | Jun 2023 | Dec 2024 |
Solar
|
| 118 Echo | Madison Energy Investments LLC | Mashpee, MA | 814 MWh | Jun 2023 | Dec 2025 |
Solar
|
| Farmington | Madison Energy Investments LLC | Farmington, ME | 7 GWh | Nov 2023 | Dec 2025 |
Solar
|
| 0 Middle | Madison Energy Investments LLC | Chatham, MA | 3 GWh | Aug 2022 | Dec 2025 |
Solar
|
| Barefoot Solar | Madison Energy Investments LLC | Fairfield, ME | 6 GWh | Nov 2022 | Dec 2025 |
Solar
|
| 15 Lincoln | Madison Energy Investments LLC | Norfolk, MA | 1 GWh | Nov 2022 | Dec 2025 |
Solar
|
| 700 Binnewater | Madison Energy Investments LLC | Rosendale, NY | 2 GWh | Aug 2022 | Dec 2025 |
Solar
|
| 20 Bedford | Madison Energy Investments LLC | Bridgewater, MA | 146 MWh | Nov 2024 | Dec 2025 |
Solar
|
| SP-231 Clifton | Madison Energy Investments LLC | Clifton, ME | 5 GWh | Nov 2024 | Dec 2025 |
Solar
|
| 376 Nash | Madison Energy Investments LLC | New Bedford, MA | 17 MWh | Nov 2024 | Dec 2025 |
Solar
|
| Broadhead | Madison Energy Investments LLC | Waterville, ME | 7 GWh | Feb 2023 | Dec 2025 |
Solar
|
| 665 Scenic Highway | Madison Energy Investments LLC | Bourne, MA | 89 MWh | Nov 2022 | Dec 2025 |
Solar
|
| Hardwick-Athol & Eagle Hill | Madison Energy Investments LLC | Hardwick, MA | 2 GWh | Jun 2015 | Sep 2025 |
Solar
|
| Becton Dickinson Ground & Roof Top | Madison Energy Investments LLC | North Canaan, CT | 3 GWh | Feb 2018 | Dec 2025 |
Solar
|
| IOS - MEW Phase 1 | Madison Energy Holdings LLC | Madison, ME | 1 GWh | Dec 2016 | Dec 2024 |
Solar
|
| Norton | Madison Energy Holdings LLC | Norton, MA | 2 GWh | Feb 2023 | Dec 2025 |
Solar
|
| 3Colton | Madison Energy Holdings LLC | Millbury, MA | 5 GWh | Jun 2023 | Dec 2025 |
Solar
|
| Raboth - Marion Drive | Madison Energy Holdings LLC | Kingston, MA | 4 GWh | Feb 2021 | Dec 2025 |
Solar
|
| Hartland Solar | Madison Energy Holdings LLC | Hartland, ME | 7 GWh | Nov 2021 | Dec 2025 |
Solar
|
| Unity Solar | Madison Energy Holdings LLC | Unity, ME | 7 GWh | Nov 2021 | Dec 2025 |
Solar
|
| Town of Ware - Canadian Tree(CSG) | MA CS Ware West, LLC | Ware, MA | 2 GWh | Nov 2021 | Dec 2024 |
Solar
|
| MA CS Uxbridge Community Solar | MA CS Uxbridge, LLC | Uxbridge, MA | 7 GWh | Jan 2023 | Dec 2025 |
Solar
|
| MA-Dighton-A | MA CS Dighton, LLC | Dighton, MA | 6 GWh | May 2024 | Dec 2025 |
Solar
|
| ME Novel Lighthouse - Carrabassett | Luminace Sunbeam Development Holdings, LLC | Carrabassett Valley, ME | 7 GWh | Nov 2023 | Dec 2025 |
Solar
|
| ME Novel Lighthouse - Front St. Solar CS | Luminace Sunbeam Development Holdings, LLC | Skowhegan, ME | 5 GWh | Apr 2023 | Dec 2025 |
Solar
|
| Cenergy - Richards (CSG) | Luminace Sunbeam Development Holdings, LLC | Fairfield, ME | 2 GWh | Sep 2023 | Dec 2025 |
Solar
|
| ME Novel Lighthouse - Penobscot CSG | Luminace Sunbeam Development Holdings, LLC | Patten, ME | 4 GWh | Aug 2024 | Dec 2025 |
Solar
|
| Cenergy - Wiscasset (CSG) | Luminace Sunbeam Development Holdings, LLC | Wiscasset, ME | 8 GWh | Jun 2023 | Dec 2025 |
Solar
|
| Cenergy - Kiger | Luminace Sunbeam Development Holdings, LLC | Embden, ME | 2 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Cenergy - Waterville (CSG) | Luminace Sunbeam Development Holdings, LLC | Waterville, ME | 9 GWh | Jun 2023 | Dec 2025 |
Solar
|
| Roger Williams - Melville at Portsmouth | Luminace Solar Rhode Island, LLC | Portsmouth, RI | 5 GWh | Feb 2021 | Dec 2025 |
Solar
|
| Town of Uxbridge MA at Commerce Dr | Luminace Solar Net Metering, LLC | Uxbridge, MA | 2 GWh | May 2012 | Dec 2025 |
Solar
|
| Smith & Wesson at Springfield MA PV | Luminace Solar Massachusetts, LLC | Springfield, MA | 2 GWh | Jun 2017 | Dec 2025 |
Solar
|
| Town of Norfolk MA at Medway Branch | Luminace Solar Massachusetts, LLC | Norfolk, MA | 2 GWh | May 2012 | Dec 2025 |
Solar
|
| Platt Hill | LSE Pictor LLC | Winchester, CT | 3 GWh | Dec 2021 | Dec 2025 |
Solar
|
| Sand Road | LSE Phoenix LLC | North Canaan, CT | 3 GWh | Oct 2021 | Dec 2025 |
Solar
|
| Sandwich | LSE Ophiuchus LLC | Sandwich, MA | 5 GWh | Jun 2023 | Dec 2024 |
Solar
|
| Monument Valley | LSE Lepus LLC | Great Barrington, MA | 3 GWh | Dec 2021 | Dec 2024 |
Solar
|
| Bunce | LSE Indus LLC | North Canaan, CT | 3 GWh | Mar 2022 | Dec 2025 |
Solar
|
| Pulpit Hill | LSE Fornax LLC | Amherst, MA | 7 GWh | Jun 2019 | Dec 2025 |
Solar
|
| Goose Pond Solar | LSE Dorado, LLC | Southwick, MA | 7 GWh | Dec 2019 | Dec 2025 |
Solar
|
| Powder Hill | LSE Delphinus LLC | Enfield, CT | 3 GWh | Nov 2020 | Dec 2024 |
Solar
|
| Nolan | LSE Crater LLC | Great Barrington, MA | 2 GWh | Oct 2017 | Dec 2024 |
Solar
|
| Truck Stop | LSE Corona Austrina LLC | West Stockridge, MA | 3 GWh | Oct 2017 | Dec 2024 |
Solar
|
| Norcap South | LSE Coma Berenices LLC | East Windsor, CT | 4 GWh | Nov 2017 | Dec 2025 |
Solar
|
| Lilly Lane | LSE Chamaeleon LLC | Charlton, MA | 2 GWh | May 2018 | Oct 2025 |
Solar
|
| Centaurus Solar - MA | LSE Centaurus LLC | Ashland, MA | 3 GWh | Oct 2016 | Dec 2025 |
Solar
|
| Ashby Duffy CSG Solar Farm | LSE Cassiopeia LLC | Ashby, MA | 3 GWh | Nov 2017 | Dec 2025 |
Solar
|
| Canis Major Solar Farm | LSE Canis Major LLC | Suffield, CT | 3 GWh | Nov 2016 | Dec 2025 |
Solar
|
| Norcap North | LSE Canes Venatici LLC | East Windsor, CT | 3 GWh | Nov 2017 | Dec 2024 |
Solar
|
| Sturbridge Barn | LSE Ara LLC | Charlton, MA | 2 GWh | May 2018 | Dec 2025 |
Solar
|
| LR Wheatfield Solar 1 | LR Wheatfield Solar 1, LLC | Wheatfield, NY | 8 GWh | Sep 2020 | Dec 2025 |
Solar
|
| Long Plain Solar | Long Plain Solar, LLC | Whatley, MA | 4 GWh | Nov 2019 | Dec 2025 |
Solar
|
| Livermore Falls CSG | Livermore Falls CSG, LLC | Livermore Falls, ME | 4 GWh | Apr 2022 | Dec 2025 |
Solar
|
| Little Falls Solar 1 | Little Falls Solar 1, LLC | Little Falls, NY | 3 GWh | Aug 2020 | Dec 2025 |
Solar
|
| Little Falls Solar | Little Falls Solar | Little Falls, NY | 3 GWh | Sep 2020 | Dec 2025 |
Solar
|
| Limestone CSG 2 LLC | Limestone CSG 2 LLC | Limestone, ME | 5 GWh | Oct 2024 | Dec 2025 |
Solar
|
