Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Indeck West Enfield Energy Center | Stored Solar J&WE | West Enfield, ME | ISO New England (ISNE) | 14.1 GWh | Nov 1987 | Dec 2023 | Wood/Wood Waste Solids : 99.7% |
| Red Shield Envir Old Town Facility | ND Paper, Inc. | Old Town, ME | ISO New England (ISNE) | 75.8 GWh | Jun 1965 | Dec 2022 | Wood/Wood Waste Solids : 71.8% Natural Gas : 16.1% Black Liquor : 11.9% |
| ReEnergy Stratton LLC | ReEnergy Stratton LLC | Stratton, ME | ISO New England (ISNE) | 208.7 GWh | Oct 1989 | Dec 2023 | Wood/Wood Waste Solids |
| Georges River Energy | Robbins Lumber Inc | Searsmont, ME | ISO New England (ISNE) | 39.0 GWh | Nov 2018 | Dec 2022 | Wood/Wood Waste Solids |
| Athens Energy | Athens Energy, LLC | Athens, ME | ISO New England (ISNE) | 65.4 GWh | Sep 2016 | Dec 2023 | Wood/Wood Waste Solids |
| ReEnergy Livermore Falls | ReEnergy Livermore Falls | Livermore Falls, ME | ISO New England (ISNE) | 249.7 GWh | Jul 1992 | Dec 2023 | Wood/Wood Waste Solids |
| Silver Maple | WEB Silver Maple Wind LLC | Clifton, ME | ISO New England (ISNE) | 57.7 GWh | Sep 2022 | Dec 2023 | Wind |
| Mars Hill Wind Farm Project | Evergreen Wind, LLC | Mars Hill, ME | (NBSO) | 119.1 GWh | Feb 2007 | Dec 2023 | Wind |
| Kibby Wind Facility | Helix Maine Wind Development, LLC | Chain of Ponds, ME | ISO New England (ISNE) | 257.9 GWh | Sep 2009 | Jun 2024 | Wind |
| Stetson Wind I | Evergreen Wind, LLC | Danforth, ME | ISO New England (ISNE) | 122.0 GWh | Dec 2008 | Dec 2023 | Wind |
| Rollins Wind Project | Evergreen Wind, LLC | Winn Village, ME | ISO New England (ISNE) | 149.0 GWh | Jun 2011 | Dec 2023 | Wind |
| Stetson Wind II | Evergreen Wind, LLC | Danforth, ME | ISO New England (ISNE) | 52.2 GWh | Feb 2010 | Dec 2023 | Wind |
| Oakfield Wind Project | Onward Energy | City of Oakfield, ME | ISO New England (ISNE) | 333.9 GWh | Sep 2015 | Jun 2024 | Wind |
| Bull Hill Wind Project | Evergreen Wind, LLC | Eastbrook, ME | ISO New England (ISNE) | 92.1 GWh | Sep 2012 | Dec 2023 | Wind |
| Beaver Ridge Wind | CPV Beaver Ridge Wind LLC | Freedom, ME | ISO New England (ISNE) | 11.6 GWh | Oct 2008 | Dec 2023 | Wind |
| Fox Island Wind LLC | Fox Island Wind LLC | Vinalhaven, ME | ISO New England (ISNE) | 6.6 GWh | Oct 2009 | Dec 2023 | Wind |
| RoxWind | RoxWind LLC | Roxbury, ME | ISO New England (ISNE) | 15.2 GWh | Oct 2021 | Dec 2023 | Wind |
| Record Hill Wind | Record Hill Wind LLC | Roxbury, ME | ISO New England (ISNE) | 124.5 GWh | Dec 2011 | Dec 2023 | Wind |
| Spruce Mountain WInd | CPV Spruce Mountain Wind LLC | Bryant Pond, ME | ISO New England (ISNE) | 59.5 GWh | Nov 2011 | Dec 2023 | Wind |
| Saddleback Ridge Wind Farm | CPV Saddleback Ridge Wind, LLC | Carthage, ME | ISO New England (ISNE) | 96.1 GWh | Nov 2014 | Dec 2022 | Wind |
| Canton Mountain Wind | CPV Canton Mountain Wind LLC | Canton, ME | ISO New England (ISNE) | 56.7 GWh | Oct 2017 | Dec 2023 | Wind |
| Hancock Wind Plant | Onward Energy | T22 MD, ME | ISO New England (ISNE) | 116.6 GWh | Nov 2016 | Jun 2024 | Wind |
| Passadumkeag Windpark LLC | Southern Power Co | Greenbush, ME | ISO New England (ISNE) | 134.5 GWh | Jun 2016 | Jun 2024 | Wind |
| Weaver Wind | Weaver Wind, LLC (Longroad) | Township 16, ME | ISO New England (ISNE) | 208.3 GWh | Nov 2020 | Jun 2024 | Wind |
| Pisgah Mountain Wind | Pisgah Mountain, LLC | Clifton, ME | ISO New England (ISNE) | 27.4 GWh | Nov 2016 | Dec 2023 | Wind |
| Bingham Wind | Onward Energy | Bingham, ME | ISO New England (ISNE) | 450.1 GWh | Nov 2016 | Jun 2024 | Wind |
| Ellsworth Hydro Station | Brookfield Black Bear Hydro, LLC | Ellsworth, ME | ISO New England (ISNE) | 38.1 GWh | Jun 1924 | Dec 2023 | Water |
| Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | ISO New England (ISNE) | 77.1 GWh | Oct 1987 | Dec 2023 | Water |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 5.0 GWh | Jun 1986 | Dec 2023 | Water |
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | ISO New England (ISNE) | 4.8 GWh | Feb 1987 | Dec 2022 | Water |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 4.9 GWh | Jun 1985 | Dec 2022 | Water |
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | ISO New England (ISNE) | 594.2 GWh | Jun 1917 | Dec 2022 | Water |
| S D Warren Westbrook | Elevate Power Management LLC | Westbrook, ME | ISO New England (ISNE) | 17.8 GWh | Dec 1902 | Dec 2022 | Water |
| Worumbo Hydro Station | Eagle Creek Renewable Energy, LLC | Lisbon Falls, ME | ISO New England (ISNE) | 113.5 GWh | Jan 1989 | Dec 2023 | Water |
| Aziscohos Hydroelectric Project | Brookfield White Pine Hydro LLC | Wilson Mills, ME | ISO New England (ISNE) | 41.6 GWh | May 1988 | Dec 2023 | Water |
| Upper Barker | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 5.0 GWh | Apr 1987 | Dec 2022 | Water |
| Mechanic Falls | KEI (Maine) Power Management (IV) LLC | Mechanic Falls, ME | ISO New England (ISNE) | 2.6 GWh | Mar 1986 | Dec 2022 | Water |
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | ISO New England (ISNE) | 4.1 GWh | Jun 1986 | Dec 2022 | Water |
| Hydro Kennebec Project | Hydro Kennebec LLC | Winslow, ME | ISO New England (ISNE) | 74.6 GWh | Dec 1988 | Dec 2023 | Water |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 30.6 GWh | Dec 1922 | Dec 2023 | Water |
| Orono B | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 28.3 GWh | Oct 2013 | Dec 2023 | Water |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 14.3 GWh | Aug 2013 | Dec 2023 | Water |
| Orono Hydro Station | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 12.7 GWh | Dec 2008 | Dec 2023 | Water |
| West Buxton | Brookfield White Pine Hydro LLC | Buxton, ME | ISO New England (ISNE) | 38.1 GWh | Dec 1903 | Dec 2023 | Water |
| West Enfield Hydro | Brookfield Black Bear Hydro, LLC | West Enfield, ME | ISO New England (ISNE) | 109.7 GWh | Mar 1988 | Dec 2023 | Water |
| Deer Rips | Brookfield White Pine Hydro LLC | Auburn, ME | ISO New England (ISNE) | 75.3 GWh | Dec 1902 | Dec 2023 | Water |
| Anson Abenaki Hydros | Eagle Creek Renewable Energy, LLC | Madison, ME | ISO New England (ISNE) | 158.6 GWh | Dec 1949 | Dec 2023 | Water |
| Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | ISO New England (ISNE) | 25.8 GWh | Sep 1985 | Dec 2023 | Water |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 958.0 MWh | Nov 1941 | Aug 2023 | Water |
| Wyman Hydro | Brookfield White Pine Hydro LLC | Bingham, ME | ISO New England (ISNE) | 543.0 GWh | Dec 1929 | Dec 2023 | Water |
| Williams Hydro | Brookfield White Pine Hydro LLC | Solon, ME | ISO New England (ISNE) | 104.4 GWh | Dec 1938 | Dec 2023 | Water |
| Weston Hydro | Brookfield White Pine Hydro LLC | Skowhegan, ME | ISO New England (ISNE) | 96.9 GWh | Dec 1919 | Dec 2023 | Water |
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 182.9 GWh | Dec 1925 | Dec 2023 | Water |
| Milford Hydro Station | Brookfield Black Bear Hydro, LLC | Milford, ME | ISO New England (ISNE) | 57.5 GWh | Jun 1941 | Dec 2023 | Water |
| Harris Hydro | Brookfield White Pine Hydro LLC | West Forks, ME | ISO New England (ISNE) | 300.3 GWh | Dec 1953 | Dec 2023 | Water |
| Skelton | Brookfield White Pine Hydro LLC | Dayton, ME | ISO New England (ISNE) | 148.7 GWh | Dec 1947 | Dec 2023 | Water |
| Shawmut | Brookfield White Pine Hydro LLC | Shawmut, ME | ISO New England (ISNE) | 41.1 GWh | Dec 1912 | Dec 2023 | Water |
| North Gorham | Brookfield White Pine Hydro LLC | Gorham, ME | ISO New England (ISNE) | 10.3 GWh | Dec 1924 | Dec 2023 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 5.6 GWh | Dec 1934 | Dec 2023 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 7.8 GWh | Dec 1917 | Dec 2023 | Water |
| Hiram | Brookfield White Pine Hydro LLC | Hiram, ME | ISO New England (ISNE) | 57.8 GWh | Dec 1916 | Dec 2023 | Water |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 13.9 GWh | Dec 1923 | Dec 2023 | Water |
| Cataract Hydro | Brookfield White Pine Hydro LLC | Saco, ME | ISO New England (ISNE) | 2.0 GWh | Dec 1936 | Dec 2023 | Water |
| Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | ISO New England (ISNE) | 316.7 GWh | Dec 1917 | Dec 2023 | Water |
| Charles E Monty | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 191.0 GWh | Dec 1989 | Dec 2023 | Water |
| Benton Falls Associates | Essex Hydro Associates LLC | Benton, ME | ISO New England (ISNE) | 18.9 GWh | Nov 1987 | Dec 2023 | Water |
| Brassua Hydroelectric Project | Brassua Hydroelectric LP | Rockwood, ME | ISO New England (ISNE) | 21.2 GWh | Aug 1989 | Dec 2023 | Water |
| Brunswick Hydro | Brookfield White Pine Hydro LLC | Brunswick, ME | ISO New England (ISNE) | 132.8 GWh | Feb 1982 | Dec 2023 | Water |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 5.3 GWh | Mar 1986 | Dec 2022 | Water |
| International Paper Jay Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 7.8 GWh | Dec 1911 | Sep 2023 | Water |
| Bonny Eagle | Brookfield White Pine Hydro LLC | Hollis, ME | ISO New England (ISNE) | 50.5 GWh | Dec 1909 | Dec 2023 | Water |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 28.1 GWh | Dec 1984 | Jun 2024 | Water |
| International Paper Riley Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 8.3 GWh | Nov 1981 | Dec 2023 | Water |
| International Paper Livermore Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 13.8 GWh | Dec 1909 | Dec 2023 | Water |
| Stillwater Hydro Station | Brookfield Black Bear Hydro, LLC | Stillwater, ME | ISO New England (ISNE) | 13.1 GWh | Dec 1912 | Dec 2023 | Water |
| Corkwood Solar (CSG) | NextGrid Corkwood, LLC | Howland, ME | ISO New England (ISNE) | 344.0 MWh | Oct 2023 | Dec 2023 | Solar |
| Cenergy - Waterville (CSG) | Luminace Sunbeam Development Holdings, LLC | Waterville, ME | ISO New England (ISNE) | 1.8 GWh | Jun 2023 | Dec 2023 | Solar |
| Cenergy - Richards (CSG) | Luminace Sunbeam Development Holdings, LLC | Fairfield, ME | ISO New England (ISNE) | 220.0 MWh | Sep 2023 | Dec 2023 | Solar |
| ME Novel Lighthouse - Front St. Solar CSG | Luminace Sunbeam Development Holdings, LLC | Skowhegan, ME | ISO New England (ISNE) | 1.4 GWh | Apr 2023 | Dec 2023 | Solar |
| SCS Harpswell 012903 Brunswick, LLC | Sol Systems | Brunswick, ME | ISO New England (ISNE) | 1.6 GWh | Oct 2022 | Dec 2022 | Solar |
| Lisbon Street Solar | NextGrid Cliffrose, LLC | Lewiston, ME | ISO New England (ISNE) | 2.8 GWh | Mar 2022 | Dec 2023 | Solar |
| Merrill Road Solar | NextGrid Mangrove, LLC | Lewiston, ME | ISO New England (ISNE) | 5.9 GWh | Feb 2022 | Dec 2023 | Solar |
| Webb Road Solar | NextGrid Mastic, LLC | Waterville, ME | ISO New England (ISNE) | 4.9 GWh | Aug 2022 | Dec 2023 | Solar |
| Lewiston Junction Road Solar | NextGrid Peppertree, LLC | Poland, ME | ISO New England (ISNE) | 6.6 GWh | Dec 2021 | Dec 2023 | Solar |
| Treasure Lane Solar 1 | AES Clean Energy | Manchester, ME | ISO New England (ISNE) | 1.0 GWh | Apr 2023 | Dec 2023 | Solar |
| AES Daigle Solar, LLC | AES Clean Energy | Fort Kent, ME | (NBSO) | 2.2 GWh | Apr 2023 | Dec 2023 | Solar |
| AES Pelletier Solar, LLC | AES Clean Energy | Fort Kent, ME | (NBSO) | 2.1 GWh | Apr 2023 | Sep 2023 | Solar |
| Water Street Solar | AES Distributed Energy | Randolph, ME | ISO New England (ISNE) | 5.8 GWh | Nov 2022 | Dec 2023 | Solar |
| Livermore Falls CSG | Livermore Falls CSG, LLC | Livermore Falls, ME | ISO New England (ISNE) | 5.2 GWh | Apr 2022 | Dec 2023 | Solar |
| Milo CSG | Milo CSG, LLC | Milo, ME | ISO New England (ISNE) | 6.3 GWh | Jan 2022 | Dec 2023 | Solar |
| Arctaris Saddleback Solar | Arctaris Saddleback Solar, LLC | Dallas Plantation, ME | ISO New England (ISNE) | 201.0 MWh | Oct 2023 | Dec 2023 | Solar |
| Harmony Solar | Maine DG Solar Harmony, LLC | Harmony, ME | ISO New England (ISNE) | 9.7 GWh | Jul 2022 | Dec 2023 | Solar |
| Dynamic Madison | MN8 Energy LLC | Madison, ME | ISO New England (ISNE) | 9.2 GWh | Jul 2022 | Dec 2023 | Solar |
| Dynamic Corinth (CSG) | MN8 Energy LLC | Corinth, ME | ISO New England (ISNE) | 4.2 GWh | Sep 2022 | Dec 2023 | Solar |
| Standish | Nautilus Solar Solutions | Standish, ME | ISO New England (ISNE) | 535.0 MWh | Sep 2023 | Dec 2023 | Solar |
| Oakland | Nautilus Solar Solutions | Oakland, ME | ISO New England (ISNE) | 8.0 GWh | Aug 2022 | Dec 2023 | Solar |
| North Bridgton | Nautilus Solar Solutions | Oakland, ME | ISO New England (ISNE) | 8.2 GWh | Oct 2022 | Dec 2023 | Solar |
| Fryeburg | Nautilus Solar Solutions | Fryeburg, ME | ISO New England (ISNE) | 5.7 GWh | Apr 2023 | Dec 2023 | Solar |
| Farmingdale FA01 | Nautilus Solar Solutions | Farmingdale, ME | ISO New England (ISNE) | 7.8 GWh | May 2022 | Dec 2023 | Solar |
| BWC Beech Ridge Brook, LLC | Navisun LLC | Scarborough, ME | ISO New England (ISNE) | 4.7 GWh | Apr 2023 | Dec 2023 | Solar |
Browse Power Plants By Maine Counties
Figures are based on December 2023 generation numbers.| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Lincoln County, ME | # 16 | 3 | 2.5 GWh |
| Knox County, ME | # 15 | 5 | 18.4 GWh |
| Waldo County, ME | # 14 | 6 | 54.8 GWh |
| Sagadahoc County, ME | # 13 | 4 | 77.1 GWh |
| Kennebec County, ME | # 12 | 24 | 224.9 GWh |
| York County, ME | # 11 | 19 | 353.0 GWh |
| Hancock County, ME | # 10 | 13 | 477.1 GWh |
| Piscataquis County, ME | # 9 | 4 | 482.7 GWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Aroostook County, ME | # 8 | 21 | 572.0 GWh |
| Washington County, ME | # 7 | 7 | 576.7 GWh |
| Androscoggin County, ME | # 6 | 28 | 871.8 GWh |
| Oxford County, ME | # 5 | 17 | 1.0 TWh |
| Franklin County, ME | # 4 | 16 | 1.3 TWh |
| Somerset County, ME | # 3 | 34 | 2.0 TWh |
| Penobscot County, ME | # 2 | 42 | 2.3 TWh |
| Cumberland County, ME | # 1 | 20 | 3.5 TWh |