| Pfizer Groton Fuel Cell | Groton Fuel Cell 1 LLC | Groton, CT | 30 GWh | Sep 2016 | Dec 2024 |
Natural Gas
|
| Pfizer Groton Plant | Pfizer Inc | Groton, CT | 75 GWh | Dec 1947 | May 2026 |
Natural Gas : 88.5%
Distillate Fuel Oil : 11.5%
|
| Pike Road Solar (NY) | RPNY Solar 6, LLC | Batavia, NY | 5 GWh | Jun 2024 | Dec 2025 |
Solar
|
| Pine Hill | Onsite Partners, LLC | Johnston, RI | 8 GWh | Jul 2020 | Dec 2025 |
Solar
|
| Pine Hill Westport | Greenbacker Renewable Energy Corporation | Westport, MA | 3 GWh | May 2025 | Dec 2025 |
Solar
|
| Pisgah Mountain Wind | Pisgah Mountain, LLC | Clifton, ME | 28 GWh | Nov 2016 | Dec 2025 |
Wind
|
| Pittsfield 44 - M&W PV | NSTAR Electric Company | Pittsfield, MA | 2 GWh | Jul 2018 | Dec 2025 |
Solar
|
| Pittsfield Generating LP | Pittsfield Generating Company, LP | Pittsfield, MA | 136 GWh | Jun 1990 | May 2026 |
Natural Gas : 96.9%
Distillate Fuel Oil : 3.1%
|
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | 3 GWh | Jun 1986 | Dec 2025 |
Water
|
| Pittsfield Solar LLC | Pittsfiled Solar LLC | Pittsfield, ME | 15 GWh | Nov 2017 | Dec 2025 |
Solar
|
| Pittsfield Solar (N. Main St) | Maine DG Solar Pittsfield, LLC | Pittsfield, ME | 8 GWh | Sep 2023 | Dec 2025 |
Solar
|
| Pittsford | Green Mountain Power Corp | Pittsford, VT | 8 GWh | Jan 1914 | Dec 2025 |
Water
|
| Plainfield Community Solar LLC | Plainfield Solar LLC | Plainfield, MA | 3 GWh | Jan 2019 | Dec 2025 |
Solar
|
| Plainfield Pike | Captona Plainfield Pike Johnston LLC | Johnston, RI | 4 GWh | May 2019 | Dec 2025 |
Solar
|
| Plainfield Renewable Energy LLC | Plainfield Renewable Energy, LLC | Plainfield, CT | 245 GWh | Nov 2013 | Dec 2025 |
Wood/Wood Waste Solids : 99.3%
Other Biomass Liquids : 0.7%
|
| Plainfield Solar 1 | Ecos Energy LLC | Plainfield, CT | 2 GWh | Dec 2019 | Dec 2025 |
Solar
|
| Plainfield Solar 2 | Ecos Energy LLC | Plainfield, CT | 2 GWh | Mar 2020 | Dec 2025 |
Solar
|
| Platt Hill | LSE Pictor LLC | Winchester, CT | 3 GWh | Dec 2021 | Dec 2025 |
Solar
|
| Pleasant Street | Greenbacker Renewable Energy Corporation | Wilton, ME | 5 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Pleasantdale Road Community Solar | Pleasantdale Road Solar, LLC | Rutland, MA | 1 GWh | Aug 2017 | Dec 2025 |
Solar
|
| Plymouth Site 1 | CleanCapital Holdings | Plympton, MA | 7 GWh | Sep 2013 | Dec 2025 |
Solar
|
| Plymouth Solar | NSTAR Electric Company | Plymouth, MA | 2 GWh | May 2018 | Dec 2025 |
Solar
|
| Plympton Lake Street Solar | REA Investments, LLC | Plympton, MA | 2 GWh | Nov 2022 | Dec 2025 |
Solar
|
| Plympton Main Street Solar, LLC | REA Investments, LLC | Plympton, MA | 7 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Pomham Islander (CSG) | Nautilus Solar Solutions | North Smithfield, RI | 1 GWh | Jun 2025 | Dec 2025 |
Solar
|
| Pontook Hydro Facility | Pontook Operating LP | Dummer, NH | 51 GWh | Nov 1986 | Dec 2025 |
Water
|
| Potter Station 2 | Town of Braintree - (MA) | Braintree, MA | 41 GWh | Jun 1963 | Dec 2025 |
Natural Gas : 61.2%
Distillate Fuel Oil : 38.8%
|
| Powder Hill | LSE Delphinus LLC | Enfield, CT | 3 GWh | Nov 2020 | Dec 2024 |
Solar
|
| Pratt & Whitney | United Technologies | East Hartford, CT | 76 GWh | Dec 1991 | May 2026 |
Natural Gas
|
| Princeton Wind Farm | Town of Princeton - (MA) | Princeton, MA | 4 GWh | Dec 2009 | Dec 2025 |
Wind
|
| Proctor | Green Mountain Power Corp | Proctor, VT | 28 GWh | Jul 1905 | Dec 2025 |
Water
|
| Pulpit Hill | LSE Fornax LLC | Amherst, MA | 7 GWh | Jun 2019 | Dec 2025 |
Solar
|
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | 3 GWh | Feb 1987 | Dec 2025 |
Water
|
| Putts Bridge | Central Rivers Power MA, LLC | Ludlow, MA | 11 GWh | Dec 1917 | Dec 2025 |
Water
|
| Quarry | Nautilus Solar Solutions | North Berwick, ME | 10 GWh | Nov 2022 | Dec 2025 |
Solar
|
| Quinebaug Lower Project | Quinebaug Associates LLC | Brooklyn, CT | 5 GWh | Mar 1990 | Dec 2025 |
Water
|
| Quinebaug Solar | Quinebaug Solar, LLC | Canterbury, CT | 74 GWh | Nov 2021 | May 2026 |
Solar
|
| Quittacas Pond Solar | RWE Clean Energy | Rochester, MA | 5 GWh | Nov 2013 | Dec 2025 |
Solar
|
| Raboth - Marion Drive | Madison Energy Holdings LLC | Kingston, MA | 4 GWh | Feb 2021 | Dec 2025 |
Solar
|
| Raffia Road Solar Project | NJR Clean Energy Ventures Corporation | Enfield, CT | 7 GWh | Nov 2024 | Dec 2025 |
Solar
|
| Rail Trail | Altus Power America Management, LLC | Great Barrington, MA | 3 GWh | Apr 2016 | Dec 2025 |
Solar
|
| Rainbow (CT) | Farmington River Power Company | Windsor, CT | 22 GWh | Nov 1925 | May 2026 |
Water
|
| Rand Whitney CHP Plant | Rand Whitney Containerboard L.P. | Montville, CT | 132 GWh | Mar 2005 | May 2026 |
Natural Gas
|
| Randall Road Solar I | Green Street Power Partners | Ballston Spa, NY | 5 GWh | Jun 2024 | Dec 2025 |
Solar
|
| Randall Road Solar II | Green Street Power Partners | Ballston Spa, NY | 3 GWh | Jun 2024 | Dec 2025 |
Solar
|
| Randall Solar Project Hybrid | AES Distributed Energy | Berlin, MA | 9 GWh | Jun 2021 | Dec 2025 |
Solar
|
| Randolph | Altus Power America Management, LLC | Randolph, MA | 6 GWh | Oct 2017 | Dec 2025 |
Solar
|
| Ravenbrook | Captona Ravenbrook LLC | Carver, MA | 6 GWh | Nov 2013 | Dec 2025 |
Solar
|
| Record Hill Wind | Record Hill Wind LLC | Roxbury, ME | 110 GWh | Dec 2011 | Dec 2025 |
Wind
|
| Redbrook Community Solar 1 | Redbrook Solar 1, LLC | Plympton, MA | 1 GWh | Sep 2017 | Dec 2025 |
Solar
|
| Redman North Community Solar | AES Distributed Energy | Brockport, NY | 106 MWh | Jan 2022 | Dec 2025 |
Solar
|
| Redman South Community Solar | AES Distributed Energy | Brockport, NY | 8 GWh | Jan 2022 | Jun 2025 |
Solar
|
| ReEnergy Livermore Falls | ReEnergy Livermore Falls | Livermore Falls, ME | 274 GWh | Jul 1992 | Dec 2025 |
Wood/Wood Waste Solids
|
| ReEnergy Stratton LLC | ReEnergy Stratton LLC | Stratton, ME | 200 GWh | Oct 1989 | Dec 2025 |
Wood/Wood Waste Solids
|
| Regional Waste Systems | Ecomaine | Portland, ME | 87 GWh | May 1988 | May 2026 |
Non-biogenic Municipal Solid Waste : 54.6%
Biogenic Municipal Solid Waste : 44.7%
Natural Gas : 0.7%
|
| Rehoboth Solar | Citizens Enterprises Corporation | Rehoboth, MA | 3 GWh | Nov 2013 | Dec 2025 |
Solar
|
| Renew Canal 1 CSG LLC | NRG Renew Canal 1 LLC | Sandwich, MA | 2 GWh | May 2017 | Dec 2024 |
Solar
|
| RGS-Rutland VNM SREC II Project (MA) | TerraForm Solar XVII, LLC | Rutland, MA | 3 GWh | Oct 2015 | Dec 2025 |
Solar
|
| Rhode Island Hospital | Rhode Island Hospital | Providence, RI | 53 GWh | Sep 1974 | May 2026 |
Natural Gas : 87.3%
Residual Fuel Oil : 12.7%
|
| Rhode Island Solar Renewable Energy IV, | Rhode Island Solar Renewable Energy IV, LLC | Tiverton, RI | 18 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Rhode Island State Energy Center | RISEC Operating Services | Johnston, RI | 4 TWh | Sep 2002 | Apr 2026 |
Natural Gas
|
| Richmond Hill | Greenbacker Renewable Energy Corporation | Richmond, ME | 3 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Richmond NMCA | AES Distributed Energy | Wood River Junction, RI | 6 GWh | Nov 2018 | May 2026 |
Solar
|
| Ridgewood Providence Power | Rhode Island LFG Genco | Johnston, RI | 4 GWh | Jul 2005 | Dec 2025 |
Landfill Gas
|
| Ring Road | Greenbacker Renewable Energy Corporation | Plympton, MA | 2 GWh | May 2025 | Dec 2025 |
Solar
|
| Rising Paper | Altus Power America Management, LLC | Great Barrington, MA | 3 GWh | Apr 2016 | Dec 2025 |
Solar
|
| River Road | Norridgewock River Road Solar, LLC | Norridgewock, ME | 8 GWh | Feb 2022 | Dec 2025 |
Solar
|
| Riverside Holyoke | City of Holyoke Gas and Elec Dept - (MA) | Holyoke, MA | 22 GWh | Dec 1905 | Dec 2025 |
Water
|
| Robin Hollow Solar | Robin Hollow Solar, LLC | West Greenwich, RI | 69 GWh | Nov 2023 | May 2026 |
Solar
|
| Rochester MA 2 | Rochester MA 2 LLC | Rochester, MA | 1 GWh | Nov 2018 | Dec 2025 |
Solar
|
| Rockland Solar CSG | MN8 Energy LLC | Rockland, MA | 2 GWh | Nov 2013 | Dec 2025 |
Solar
|
| Roger Williams - Melville at Portsmouth | Luminace Solar Rhode Island, LLC | Portsmouth, RI | 5 GWh | Feb 2021 | Dec 2025 |
Solar
|
| Rolfe Canal Hydro | Briar-Hydro Associates | Penacook, NH | 16 GWh | Nov 1987 | Dec 2025 |
Water
|
| Rollins Wind Project | Evergreen Wind, LLC | Winn Village, ME | 147 GWh | Jun 2011 | Dec 2025 |
Wind
|
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | 3 GWh | Sep 1986 | Dec 2025 |
Water
|
| Roosevelt Trail | Madison Energy Investments LLC | Windham, ME | 1 GWh | Nov 2024 | Dec 2025 |
Solar
|
| Rounseville Solar | Rounseville Solar 1, LLC | Rochester, MA | 4 GWh | Jan 2020 | Dec 2025 |
Solar
|
| Route 3 China Solar, LLC | REA Investments, LLC | China, ME | 8 GWh | Nov 2022 | Dec 2025 |
Solar
|
| Route 57 Solar | Citizens Enterprises Corporation | Agawam, MA | 2 GWh | Feb 2013 | Dec 2025 |
Solar
|
| Rowe (CSG) | AES Distributed Energy | Olean, NY | 8 GWh | Oct 2021 | Dec 2025 |
Solar
|
| RoxWind | RoxWind LLC | Roxbury, ME | 44 GWh | Oct 2021 | Dec 2025 |
Wind
|
| RT405 Westerlo Solar 2 | RT405 Westerlo Solar 2, LLC | Albany, NY | 8 GWh | Feb 2020 | Dec 2025 |
Solar
|
| Rumford Cogeneration | ND Paper, Inc. | Rumford, ME | 400 GWh | Dec 1989 | May 2026 |
Black Liquor : 55.5%
Tire-derived Fuels : 20.6%
Wood/Wood Waste Solids : 16.0%
Bituminous Coal : 6.1%
Residual Fuel Oil : 1.2%
Sludge Waste : 0.7%
|
| Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | 212 GWh | Dec 1917 | Dec 2025 |
Water
|
| Rumford Power LLC | Rumford Power | Rumford, ME | 793 GWh | Jun 2000 | Dec 2025 |
Natural Gas
|
| Russell (MA) | Sunrise on Blandford Rd. LLC | Russell, MA | 5 GWh | Oct 2020 | Dec 2024 |
Solar
|
| Ryan Road Solar LLC Hybrid(CSG) | AES Distributed Energy | North Brookfield, MA | 10 GWh | Nov 2021 | Dec 2025 |
Solar
|
| Ryans Ranch | Nautilus Solar Solutions | Paris, ME | 5 GWh | May 2022 | Dec 2025 |
Solar
|
| Ryegate Associates, LLC | Ryegate Associates, LLC | East Ryegate, VT | 158 GWh | Aug 1992 | Dec 2025 |
Wood/Wood Waste Solids
|
| S C Moore | Great River Hydro, LLC | Littleton, NH | 255 GWh | Dec 1956 | Dec 2025 |
Water
|
| S D Warren Westbrook | Relevate Power Management LLC | Westbrook, ME | 15 GWh | Dec 1902 | Dec 2025 |
Water
|
| Sabattus SB01 | Nautilus Solar Solutions | Sabattus, ME | 8 GWh | Sep 2023 | Dec 2025 |
Solar
|
| Saddleback Ridge Wind Farm | CPV Saddleback Ridge Wind, LLC | Carthage, ME | 90 GWh | Nov 2014 | Dec 2025 |
Wind
|
| Saddleback Solar | SoCore Energy LLC | Lanesborough, MA | 4 GWh | Aug 2022 | Dec 2024 |
Solar
|
| Saint Albans Solar | Cypress Creek Renewables | Georgia, VT | 7 GWh | Sep 2018 | Dec 2025 |
Solar
|
| Salem Harbor Power Development LP | Salem Harbor Power Development LP | Salem, MA | 2 TWh | Apr 2018 | May 2026 |
Natural Gas
|
| Salisbury | Green Mountain Power Corp | Salisbury, VT | 2 GWh | Jan 1917 | Dec 2025 |
Water
|
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | 2 GWh | Jun 1986 | Dec 2025 |
Water
|
| Samoset Solar | Samoset Solar, LLC | Rockport, ME | 4 GWh | Jun 2023 | Dec 2025 |
Solar
|
| Sampson Road Community Solar | Sampson Road Solar, LLC | Charlton, MA | 3 GWh | Nov 2017 | Dec 2025 |
Solar
|
