| Nutting Ridge Solar, LLC | REA Investments, LLC | Otisfield, ME | 6 GWh | May 2023 | Dec 2024 |
Solar
|
| Oak Bluffs Diesel Generating Facility | Vineyard Reliability LLC | Oak Bluffs, MA | 2 GWh | Dec 1968 | Dec 2024 |
Distillate Fuel Oil
|
| Oak Street Solar | Citizens Enterprises Corporation | Springfield, MA | 6 GWh | Nov 2019 | Dec 2024 |
Solar
|
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | 14 GWh | Apr 1951 | Dec 2024 |
Water
|
| Oakfield Wind Project | Onward Energy | City of Oakfield, ME | 367 GWh | Sep 2015 | Sep 2025 |
Wind
|
| Oakland | Nautilus Solar Solutions | Oakland, ME | 9 GWh | Aug 2022 | Dec 2024 |
Solar
|
| Ocean State Power | Ocean State Power Co | Harrisville, RI | 1 TWh | Nov 1990 | Dec 2024 |
Natural Gas : 99.9%
|
| Ocean State Power II | Ocean State Power II | Harrisville, RI | 897 GWh | Sep 1991 | Dec 2024 |
Natural Gas : 99.9%
|
| Old Frontier Solar III | Old Frontier Solar III PV, LLC | South Deerfield, MA | 4 GWh | Aug 2022 | Dec 2024 |
Solar
|
| Old Middleboro Road Solar | Agilitas Energy, Inc. | Rochester, MA | 11 GWh | Dec 2022 | Dec 2024 |
Solar
|
| Old Wardour Solar | NuGen Capital Management | East Brookfield, MA | 7 GWh | Dec 2015 | Dec 2024 |
Solar
|
| One Patriot | Bloom Energy | Foxborough, MA | 16 GWh | Nov 2019 | Dec 2024 |
Natural Gas
|
| Oneida County- DPW | Tesla Inc. | Oriskany, NY | 2 GWh | Sep 2017 | Dec 2024 |
Solar
|
| Onondaga County- Clearwater | Tesla Inc. | Oswego, NY | 3 GWh | Jun 2017 | Dec 2024 |
Solar
|
| Onset East Community Solar Facility | Kearsarge Onset LLC | Wareham, MA | 2 GWh | Mar 2016 | Dec 2024 |
Solar
|
| Onset West Community Solar Facility | Kearsarge Onset LLC | Wareham, MA | 2 GWh | Mar 2016 | Dec 2024 |
Solar
|
| Onyx - Brockton Thatcher Landfill Solar | Onyx Asset Services Group | Brockton, MA | 5 GWh | Oct 2017 | Dec 2024 |
Solar
|
| Onyx - Pembroke Landfill Solar | Onyx Asset Services Group | Pembroke, MA | 3 GWh | Nov 2017 | Dec 2024 |
Solar
|
| Open View Solar Farm | Cross Pollination Inc | New Haven, VT | 3 GWh | Aug 2013 | Dec 2024 |
Solar
|
| Orange County Solar Farm (NY) | Tesla Inc. | Goshen, NY | 2 GWh | Apr 2017 | Dec 2024 |
Solar
|
| Orange PV | Terraform Arcadia | Orange, MA | 3 GWh | Jun 2013 | Dec 2024 |
Solar
|
| Orbit Energy RI | Anaergia | Johnston, RI | 144 MWh | Jun 2017 | Dec 2024 |
Other Biomass Gas
|
| Orono B | Brookfield Black Bear Hydro, LLC | Orono, ME | 21 GWh | Oct 2013 | Dec 2024 |
Water
|
| Orono Hydro Station | Brookfield Black Bear Hydro, LLC | Orono, ME | 6 GWh | Dec 2008 | Dec 2024 |
Water
|
| OSG Solar 1 LLC | Navisun LLC | Orange, MA | 3 GWh | Jun 2012 | Dec 2024 |
Solar
|
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | 28 GWh | Dec 1984 | Sep 2025 |
Water
|
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | 978 MWh | Mar 1983 | Dec 2024 |
Water
|
| Overlook | Westbound Solar 3, LLC | Westminster, MA | 7 GWh | Feb 2023 | Dec 2024 |
Solar
|
| Oxford | CVI CleanCapital Solar 6 | Oxford, MA | 4 GWh | Jun 2014 | Dec 2024 |
Solar
|
| Oxford PV - BD Solar Oxford LLC | BD Solar Oxford LLC | Oxford, ME | 15 GWh | May 2021 | Dec 2024 |
Solar
|
| Oxford Solar | Citizens Enterprises Corporation | Oxford, MA | 6 GWh | Jan 2020 | Dec 2024 |
Solar
|
| Padelford Solar | Consolidated Edison Solutions Inc. | Berkley, MA | 3 GWh | Nov 2012 | Dec 2024 |
Solar
|
| Palmer | AES Distributed Energy | Palmer, MA | 6 GWh | Sep 2019 | Dec 2024 |
Solar
|
| Palmer Landfill | Syncarpha Bondsville, LLC | Palmer, MA | 6 GWh | Nov 2016 | Dec 2024 |
Solar
|
| Palmyra PV - BD Solar Palmyra LLC | BD Solar Palmyra LLC | Palmyra, ME | 8 GWh | May 2022 | Dec 2024 |
Solar
|
| Palombo B Solar, LLC CSG | 38 Degrees North, LLC | Uxbridge, MA | 2 GWh | Nov 2017 | Dec 2024 |
Solar
|
| Palombo Solar, LLC CSG | 38 Degrees North, LLC | Uxbridge, MA | 3 GWh | Nov 2017 | Dec 2024 |
Solar
|
| Park Solar | Ecos Energy LLC | Woodbridge, CT | 866 MWh | Nov 2023 | Dec 2024 |
Solar
|
| Park St | Greenbacker Renewable Energy Corporation | Rutland, VT | 2 GWh | Nov 2014 | Dec 2024 |
Solar
|
| Partridge Hill Solar Hybrid | AES Distributed Energy | Charlton, MA | 3 GWh | Jun 2020 | Dec 2024 |
Solar
|
| Partridge Solar | SoCore Energy LLC | Lanesborough, MA | 8 GWh | Aug 2022 | Dec 2024 |
Solar
|
| Partridgeville Hybrid CSG | Partridgeville Road Solar 1, LLC | Athol, MA | 6 GWh | Dec 2019 | Dec 2024 |
Solar
|
| Passadumkeag Windpark LLC | Southern Power Co | Greenbush, ME | 140 GWh | Jun 2016 | Sep 2025 |
Wind
|
| Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | 49 GWh | Oct 1987 | Dec 2024 |
Water
|
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | 7 GWh | Nov 1985 | Dec 2024 |
Water
|
| Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | 17 GWh | Jul 1983 | Dec 2024 |
Water
|
| Penacook Upper Falls Hydro | Briar-Hydro Associates | Penacook, NH | 12 GWh | Nov 1986 | Dec 2024 |
Water
|
| Pendleton Solar 1 | Pendleton Solar 1, LLC | Lockport, NY | 8 GWh | Sep 2020 | Dec 2024 |
Solar
|
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | 4 GWh | Dec 1919 | Sep 2025 |
Water
|
| Pepperidge Farm Bloomfield | Pepperidge Farm, Inc.- Bloomfield | Bloomfield, CT | 15 GWh | Jul 2008 | Dec 2024 |
Natural Gas
|
| Perkins Road Belfast Solar, LLC | REA Investments, LLC | Belfast, ME | 9 GWh | May 2021 | Dec 2024 |
Solar
|
| Peru (MA) | Sunrise on West Main Rd. LLC | Peru, MA | 5 GWh | Oct 2020 | Dec 2024 |
Solar
|
| Peterson | Green Mountain Power Corp | Milton, VT | 31 GWh | Jan 1948 | Dec 2024 |
Water
|
| Peterson Road Solar | Peterson Road Solar, LLC | Palmer, MA | 4 GWh | Mar 2017 | Dec 2024 |
Solar
|
| 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 | 78 GWh | Dec 1947 | Sep 2025 |
Natural Gas : 91.4%
Distillate Fuel Oil : 8.6%
|
| Pike Road Solar (NY) | RPNY Solar 6, LLC | Batavia, NY | 2 GWh | Jun 2024 | Dec 2024 |
Solar
|
| Pine Hill | AEP Onsite Partners, LLC | Johnston, RI | 8 GWh | Jul 2020 | Dec 2024 |
Solar
|
| Pisgah Mountain Wind | Pisgah Mountain, LLC | Clifton, ME | 25 GWh | Nov 2016 | Dec 2024 |
Wind
|
| Pittsfield 44 - M&W PV | NSTAR Electric Company | Pittsfield, MA | 2 GWh | Jul 2018 | Dec 2024 |
Solar
|
| Pittsfield Generating LP | Pittsfield Generating Company, LP | Pittsfield, MA | 123 GWh | Jun 1990 | Sep 2025 |
Natural Gas : 98.6%
Distillate Fuel Oil : 1.4%
|
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | 3 GWh | Jun 1986 | Dec 2024 |
Water
|
| Pittsfield Solar LLC | Pittsfiled Solar LLC | Pittsfield, ME | 17 GWh | Nov 2017 | Dec 2024 |
Solar
|
| Pittsfield Solar (N. Main St) | Maine DG Solar Pittsfield, LLC | Pittsfield, ME | 8 GWh | Sep 2023 | Dec 2024 |
Solar
|
| Pittsford | Green Mountain Power Corp | Pittsford, VT | 8 GWh | Jan 1914 | Dec 2024 |
Water
|
| Plainfield Community Solar LLC | Plainfield Solar LLC | Plainfield, MA | 3 GWh | Jan 2019 | Dec 2024 |
Solar
|
| Plainfield Pike | Captona Plainfield Pike Johnston LLC | Johnston, RI | 4 GWh | May 2019 | Dec 2024 |
Solar
|
| Plainfield Renewable Energy LLC | Plainfield Renewable Energy, LLC | Plainfield, CT | 247 GWh | Nov 2013 | Oct 2024 |
Wood/Wood Waste Solids : 99.5%
Other Biomass Liquids : 0.5%
|
| Plainfield Solar 1 | Ecos Energy LLC | Plainfield, CT | 1 GWh | Dec 2019 | Dec 2024 |
Solar
|
| Plainfield Solar 2 | Ecos Energy LLC | Plainfield, CT | 1 GWh | Mar 2020 | Dec 2024 |
Solar
|
| Platt Hill | LSE Pictor LLC | Winchester, CT | 2 GWh | Dec 2021 | Dec 2024 |
Solar
|
| Pleasant Street | Greenbacker Renewable Energy Corporation | Wilton, ME | 5 GWh | Nov 2023 | Dec 2024 |
Solar
|
| Pleasantdale Road Community Solar | Pleasantdale Road Solar, LLC | Rutland, MA | 1 GWh | Aug 2017 | Dec 2024 |
Solar
|
| Plymouth Site 1 | CleanCapital Holdings | Plympton, MA | 7 GWh | Sep 2013 | Dec 2024 |
Solar
|
| Plymouth Solar | NSTAR Electric Company | Plymouth, MA | 1 GWh | May 2018 | Dec 2024 |
Solar
|
| Plympton Lake Street Solar | REA Investments, LLC | Plympton, MA | 2 GWh | Nov 2022 | Dec 2024 |
Solar
|
| Plympton Main Street Solar, LLC | REA Investments, LLC | Plympton, MA | 8 GWh | Nov 2023 | Dec 2024 |
Solar
|
| Pontook Hydro Facility | Pontook Operating LP | Dummer, NH | 62 GWh | Nov 1986 | Dec 2024 |
Water
|
| Potter Station 2 | Town of Braintree - (MA) | Braintree, MA | 23 GWh | Jun 1963 | Dec 2024 |
Natural Gas : 93.9%
Distillate Fuel Oil : 6.1%
|
| Powder Hill | LSE Delphinus LLC | Enfield, CT | 3 GWh | Nov 2020 | Dec 2024 |
Solar
|
| Pratt & Whitney | United Technologies | East Hartford, CT | 82 GWh | Dec 1991 | Sep 2025 |
Natural Gas
|
| Princeton Wind Farm | Town of Princeton - (MA) | Princeton, MA | 4 GWh | Dec 2009 | Dec 2024 |
Wind
|
| Proctor | Green Mountain Power Corp | Proctor, VT | 31 GWh | Jul 1905 | Dec 2024 |
Water
|
| Pulpit Hill | LSE Fornax LLC | Amherst, MA | 7 GWh | Jun 2019 | Dec 2024 |
Solar
|
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | 3 GWh | Feb 1987 | Dec 2024 |
Water
|
| Putts Bridge | Central Rivers Power MA, LLC | Ludlow, MA | 16 GWh | Dec 1917 | Dec 2024 |
Water
|
| Quarry | Nautilus Solar Solutions | North Berwick, ME | 10 GWh | Nov 2022 | Dec 2024 |
Solar
|
| Quinebaug Lower Project | Quinebaug Associates LLC | Brooklyn, CT | 6 GWh | Mar 1990 | Dec 2024 |
Water
|
| Quinebaug Solar | Quinebaug Solar, LLC | Canterbury, CT | 81 GWh | Nov 2021 | Sep 2025 |
Solar
|
| Quittacas Pond Solar | Consolidated Edison Solutions Inc. | Rochester, MA | 5 GWh | Nov 2013 | Dec 2024 |
Solar
|
| Raboth - Marion Drive | Madison Energy Holdings LLC | Kingston, MA | 5 GWh | Feb 2021 | Dec 2024 |
Solar
|
| Raffia Road Solar Project | NJR Clean Energy Ventures Corporation | Enfield, CT | 11 MWh | Nov 2024 | Dec 2024 |
Solar
|
| Rail Trail | Altus Power America Management, LLC | Great Barrington, MA | 3 GWh | Apr 2016 | Dec 2024 |
Solar
|
| Rainbow (CT) | Farmington River Power Company | Windsor, CT | 20 GWh | Nov 1925 | Sep 2025 |
Water
|
| Rand Whitney CHP Plant | Rand Whitney Containerboard L.P. | Montville, CT | 135 GWh | Mar 2005 | Sep 2025 |
Natural Gas
|
| Randall Road Solar I | Green Street Power Partners | Ballston Spa, NY | 2 GWh | Jun 2024 | Dec 2024 |
Solar
|
| Randall Road Solar II | Green Street Power Partners | Ballston Spa, NY | 1 GWh | Jun 2024 | Dec 2024 |
Solar
|
| Randall Solar Project Hybrid | AES Distributed Energy | Berlin, MA | 8 GWh | Jun 2021 | Dec 2024 |
Solar
|
| Randolph | Altus Power America Management, LLC | Randolph, MA | 6 GWh | Oct 2017 | Dec 2024 |
Solar
|
| Ravenbrook | Captona Ravenbrook LLC | Carver, MA | 7 GWh | Nov 2013 | Dec 2024 |
Solar
|
