Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Acton | Acton H Road Solar 1, LLC | Acton, ME | ISO New England (ISNE) | 4.6 GWh | Nov 2021 | Dec 2023 | Solar |
| Athens Energy | Athens Energy, LLC | Athens, ME | ISO New England (ISNE) | 59.7 GWh | Sep 2016 | Dec 2023 | Wood/Wood Waste Solids |
| Athens AT01 | Nautilus Solar Solutions | Athens, ME | ISO New England (ISNE) | 6.9 GWh | May 2022 | Dec 2023 | Solar |
| Upper Barker | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 6.6 GWh | Apr 1987 | Dec 2023 | Water |
| Deer Rips | Brookfield White Pine Hydro LLC | Auburn, ME | ISO New England (ISNE) | 69.3 GWh | Dec 1902 | Dec 2023 | Water |
| MMWAC Resource Recovery Facility | Maine Waste to Energy | Auburn, ME | ISO New England (ISNE) | 10.2 GWh | May 1992 | Feb 2025 | Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.8% |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 8.1 GWh | Mar 1986 | Dec 2023 | Water |
| MEVS DOT 109 | MEVS DOT, LLC | Augusta, ME | ISO New England (ISNE) | 1.4 GWh | Jun 2023 | Dec 2023 | Solar |
| Augusta PV - BD Solar Augusta LLC | BD Solar Augusta LLC | Augusta, ME | ISO New England (ISNE) | 6.7 GWh | May 2021 | Dec 2023 | Solar |
| BD Solar Hancock LLC | BD Solar Hancock LLC | Augusta, ME | ISO New England (ISNE) | 6.2 GWh | May 2022 | Mar 2023 | Solar |
| BD Solar Ellsworth LLC | BD Solar Hancock North LLC | Augusta, ME | ISO New England (ISNE) | 1.9 GWh | May 2022 | Dec 2023 | Solar |
| Augusta | Maine DG Solar Augusta, LLC | Augusta, ME | ISO New England (ISNE) | 4.6 GWh | Feb 2022 | Dec 2023 | Solar |
| Woodland Pulp, LLC | Woodland Pulp LLC | Baileyville, ME | (NBSO) | 366.6 GWh | May 1906 | Dec 2023 | Black Liquor : 41.9% Natural Gas : 33.3% Water : 17.5% Wood/Wood Waste Solids : 7.3% |
| Eastern Maine Medical Center | Eastern Maine Medical Center | Bangor, ME | ISO New England (ISNE) | 31.2 GWh | Sep 2006 | Feb 2025 | Natural Gas |
| Broadway Solar (CSG) | NextGrid Bitterbush, LLC | Bangor, ME | ISO New England (ISNE) | 1.3 GWh | Aug 2023 | Dec 2023 | Solar |
| Benton Falls Associates | Essex Hydro Associates LLC | Benton, ME | ISO New England (ISNE) | 17.3 GWh | Nov 1987 | Dec 2023 | Water |
| Bingham Wind | Onward Energy | Bingham, ME | ISO New England (ISNE) | 485.3 GWh | Nov 2016 | Feb 2025 | Wind |
| Wyman Hydro | Brookfield White Pine Hydro LLC | Bingham, ME | ISO New England (ISNE) | 501.6 GWh | Dec 1929 | Dec 2023 | Water |
| SCS Harpswell 012903 Brunswick, LLC | Sol Systems | Brunswick, ME | ISO New England (ISNE) | 7.3 GWh | Oct 2022 | Dec 2023 | Solar |
| Brunswick Hydro | Brookfield White Pine Hydro LLC | Brunswick, ME | ISO New England (ISNE) | 123.4 GWh | Feb 1982 | Dec 2023 | Water |
| Spruce Mountain WInd | CPV Spruce Mountain Wind LLC | Bryant Pond, ME | ISO New England (ISNE) | 52.9 GWh | Nov 2011 | Dec 2023 | Wind |
| Bucksport Generation LLC | Bucksport Generation LLC | Bucksport, ME | ISO New England (ISNE) | 13.7 GWh | Jun 1965 | Feb 2025 | Natural Gas : 98.2% Distillate Fuel Oil : 1.8% |
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | ISO New England (ISNE) | 5.7 GWh | Jun 1986 | Dec 2023 | Water |
| West Buxton | Brookfield White Pine Hydro LLC | Buxton, ME | ISO New England (ISNE) | 35.7 GWh | Dec 1903 | Dec 2023 | Water |
| Canton Mountain Wind | CPV Canton Mountain Wind LLC | Canton, ME | ISO New England (ISNE) | 50.1 GWh | Oct 2017 | Dec 2023 | Wind |
| Caribou | VC Renewables | Caribou, ME | ISO New England (ISNE) | 1.7 GWh | Jul 2023 | Dec 2023 | Solar |
| Saddleback Ridge Wind Farm | CPV Saddleback Ridge Wind, LLC | Carthage, ME | ISO New England (ISNE) | 82.5 GWh | Nov 2014 | Dec 2023 | Wind |
| Kibby Wind Facility | Helix Maine Wind Development, LLC | Chain of Ponds, ME | ISO New England (ISNE) | 270.6 GWh | Sep 2009 | Feb 2025 | Wind |
| Town House | Nautilus Solar Solutions | Chelsea, ME | ISO New England (ISNE) | 7.6 GWh | Nov 2022 | Dec 2023 | Solar |
| Oakfield Wind Project | Onward Energy | City of Oakfield, ME | ISO New England (ISNE) | 352.4 GWh | Sep 2015 | Feb 2025 | Wind |
| Pisgah Mountain Wind | Pisgah Mountain, LLC | Clifton, ME | ISO New England (ISNE) | 24.2 GWh | Nov 2016 | Dec 2023 | Wind |
| Silver Maple | WEB Silver Maple Wind LLC | Clifton, ME | ISO New England (ISNE) | 52.1 GWh | Sep 2022 | Dec 2023 | Wind |
| Dynamic Corinth (CSG) | MN8 Energy LLC | Corinth, ME | ISO New England (ISNE) | 4.0 GWh | Sep 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 |
| Stetson Wind II | Evergreen Wind, LLC | Danforth, ME | ISO New England (ISNE) | 45.7 GWh | Feb 2010 | Dec 2023 | Wind |
| Stetson Wind I | Evergreen Wind, LLC | Danforth, ME | ISO New England (ISNE) | 106.6 GWh | Dec 2008 | Dec 2023 | Wind |
| Skelton | Brookfield White Pine Hydro LLC | Dayton, ME | ISO New England (ISNE) | 137.1 GWh | Dec 1947 | Dec 2023 | Water |
| Bull Hill Wind Project | Evergreen Wind, LLC | Eastbrook, ME | ISO New England (ISNE) | 81.6 GWh | Sep 2012 | Dec 2023 | Wind |
| Ellsworth Hydro Station | Brookfield Black Bear Hydro, LLC | Ellsworth, ME | ISO New England (ISNE) | 35.0 GWh | Jun 1924 | Dec 2023 | Water |
| Cenergy - Kiger | Luminace Sunbeam Development Holdings, LLC | Embden, ME | ISO New England (ISNE) | 122.0 MWh | Nov 2023 | Dec 2023 | Solar |
| Fairfield PV - BD Solar Fairfield LLC | BD Solar Fairfield LLC | Fairfield, ME | ISO New England (ISNE) | 8.2 GWh | May 2021 | Dec 2023 | Solar |
| Fort Fairfield | Standard Solar | Fairfield, ME | ISO New England (ISNE) | 1.4 GWh | Jul 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 |
| Barefoot Solar | Madison Energy Investments LLC | Fairfiled, ME | ISO New England (ISNE) | 4.1 GWh | Nov 2022 | Dec 2023 | Solar |
| Farmingdale FA01 | Nautilus Solar Solutions | Farmingdale, ME | ISO New England (ISNE) | 7.8 GWh | May 2022 | Dec 2023 | Solar |
| Farmington Solar | Farmington Solar, LLC | Farmington, ME | ISO New England (ISNE) | 129.9 GWh | Sep 2021 | Feb 2025 | 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 |
| Beaver Ridge Wind | CPV Beaver Ridge Wind LLC | Freedom, ME | ISO New England (ISNE) | 10.3 GWh | Oct 2008 | Dec 2023 | Wind |
| Fryeburg | Nautilus Solar Solutions | Fryeburg, ME | ISO New England (ISNE) | 5.7 GWh | Apr 2023 | Dec 2023 | Solar |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 6.7 GWh | Jun 1985 | Dec 2023 | Water |
| North Gorham | Brookfield White Pine Hydro LLC | Gorham, ME | ISO New England (ISNE) | 9.4 GWh | Dec 1924 | Dec 2023 | Water |
| Passadumkeag Windpark LLC | Southern Power Co | Greenbush, ME | ISO New England (ISNE) | 131.5 GWh | Jun 2016 | Feb 2025 | Wind |
| Harmony Solar | Maine DG Solar Harmony, LLC | Harmony, ME | ISO New England (ISNE) | 9.4 GWh | Jul 2022 | Dec 2023 | Solar |
| Hartland Solar | Madison Energy Holdings LLC | Hartland, ME | ISO New England (ISNE) | 6.4 GWh | Nov 2021 | Dec 2023 | Solar |
| Hiram | Brookfield White Pine Hydro LLC | Hiram, ME | ISO New England (ISNE) | 53.8 GWh | Dec 1916 | Dec 2023 | Water |
| Bonny Eagle | Brookfield White Pine Hydro LLC | Hollis, ME | ISO New England (ISNE) | 45.3 GWh | Dec 1909 | Dec 2023 | Water |
| Corkwood Solar (CSG) | NextGrid Corkwood, LLC | Howland, ME | ISO New England (ISNE) | 344.0 MWh | Oct 2023 | Dec 2023 | Solar |
| International Paper Riley Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 5.9 GWh | Nov 1981 | Dec 2023 | Water |
| Androscoggin Energy Center | JGT2 Energy LLC | Jay, ME | ISO New England (ISNE) | 82.0 GWh | Sep 1999 | Dec 2023 | Natural Gas : 96.1% Distillate Fuel Oil : 3.9% |
| International Paper Jay Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 7.1 GWh | Dec 1911 | Sep 2023 | Water |
| Androscoggin Mill | Pixelle Androscoggin LLC | Jay, ME | ISO New England (ISNE) | 69.3 GWh | Dec 1963 | Mar 2023 | Natural Gas : 51.1% Black Liquor : 37.4% Wood/Wood Waste Solids : 11.6% |
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 169.3 GWh | Dec 1925 | Dec 2023 | Water |
| Lisbon Street Solar | NextGrid Cliffrose, LLC | Lewiston, ME | ISO New England (ISNE) | 2.7 GWh | Mar 2022 | Dec 2023 | Solar |
| Merrill Road Solar | NextGrid Mangrove, LLC | Lewiston, ME | ISO New England (ISNE) | 5.6 GWh | Feb 2022 | Dec 2023 | Solar |
| Charles E Monty | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 176.6 GWh | Dec 1989 | Dec 2023 | Water |
| Loring | VC Renewables | Limestone, ME | ISO New England (ISNE) | 3.6 GWh | Apr 2023 | Dec 2023 | Solar |
| Worumbo Hydro Station | Eagle Creek Renewable Energy, LLC | Lisbon Falls, ME | ISO New England (ISNE) | 104.8 GWh | Jan 1989 | Dec 2023 | Water |
| Livermore Falls CSG | Livermore Falls CSG, LLC | Livermore Falls, ME | ISO New England (ISNE) | 5.0 GWh | Apr 2022 | Dec 2023 | Solar |
| ReEnergy Livermore Falls | ReEnergy Livermore Falls | Livermore Falls, ME | ISO New England (ISNE) | 222.7 GWh | Jul 1992 | Dec 2023 | Wood/Wood Waste Solids |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 31.4 GWh | Dec 1984 | Feb 2025 | Water |
| International Paper Livermore Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 10.2 GWh | Dec 1909 | Dec 2023 | Water |
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | ISO New England (ISNE) | 5.5 GWh | Feb 1987 | Dec 2023 | Water |
| Twin Rivers Paper Co LLC | Twin Rivers Paper Co LLC | Madawaska, ME | (NBSO) | 104.3 GWh | Apr 1987 | Feb 2025 | Purchased Steam |
| Dynamic Madison | MN8 Energy LLC | Madison, ME | ISO New England (ISNE) | 8.9 GWh | Jul 2022 | Dec 2023 | Solar |
| IOS - MEW Phase 1 | IGS ORIX Solar I, LLC | Madison, ME | ISO New England (ISNE) | 5.4 GWh | Dec 2016 | Dec 2023 | Solar |
| Anson Abenaki Hydros | Eagle Creek Renewable Energy, LLC | Madison, ME | ISO New England (ISNE) | 145.1 GWh | Dec 1949 | Dec 2023 | Water |
| Treasure Lane Solar 1 | AES Clean Energy | Manchester, ME | ISO New England (ISNE) | 1.0 GWh | Apr 2023 | Dec 2023 | Solar |
| Mars Hill Wind Farm Project | Evergreen Wind, LLC | Mars Hill, ME | (NBSO) | 104.8 GWh | Feb 2007 | Dec 2023 | Wind |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 934.9 MWh | Nov 1941 | Aug 2023 | Water |
| Mechanic Falls | KEI (Maine) Power Management (IV) LLC | Mechanic Falls, ME | ISO New England (ISNE) | 3.0 GWh | Mar 1986 | Dec 2023 | Water |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 27.5 GWh | Dec 1922 | Dec 2023 | Water |
| Milford Hydro Station | Brookfield Black Bear Hydro, LLC | Milford, ME | ISO New England (ISNE) | 53.0 GWh | Jun 1941 | Dec 2023 | Water |
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | ISO New England (ISNE) | 737.2 GWh | Jun 1917 | Dec 2023 | Water |
| Milo CSG | Milo CSG, LLC | Milo, ME | ISO New England (ISNE) | 6.0 GWh | Jan 2022 | Dec 2023 | Solar |
| Milo PV - BD Solar 1 LLC | BD Solar 1 LLC | Milo, ME | ISO New England (ISNE) | 25.2 GWh | May 2021 | Dec 2023 | Solar |
| Monmouth | Maine DG Solar Monmouth, LLC | Monmouth, ME | ISO New England (ISNE) | 8.2 GWh | Feb 2022 | Dec 2023 | Solar |
| Naples | Naples Casco Solar 1, LLC | Naples, ME | ISO New England (ISNE) | 1.8 GWh | Nov 2021 | Dec 2023 | Solar |
| Waste Management Crossroads LFGTE | WM Renewable Energy LLC | Norridgewock, ME | ISO New England (ISNE) | 19.5 GWh | Feb 2009 | Dec 2023 | Landfill Gas |
| River Road | Norridgewock River Road Solar, LLC | Norridgewock, ME | ISO New England (ISNE) | 7.7 GWh | Feb 2022 | Dec 2023 | Solar |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 12.9 GWh | Dec 1923 | Dec 2023 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 7.3 GWh | Dec 1917 | Dec 2023 | Water |
| North Bridgton | Nautilus Solar Solutions | Oakland, ME | ISO New England (ISNE) | 8.2 GWh | Oct 2022 | Dec 2023 | Solar |
| Solar Mule, LLC | Solar Mule, LLC | Oakland, ME | ISO New England (ISNE) | 2.0 GWh | Aug 2017 | Dec 2023 | Solar |
| Oakland | Nautilus Solar Solutions | Oakland, ME | ISO New England (ISNE) | 8.0 GWh | Aug 2022 | Dec 2023 | Solar |
| Red Shield Envir Old Town Facility | ND Paper, Inc. | Old Town, ME | ISO New England (ISNE) | 66.3 GWh | Jun 1965 | Apr 2023 | Wood/Wood Waste Solids : 63.4% Black Liquor : 22.1% Natural Gas : 11.8% Residual Fuel Oil : 2.7% |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 12.8 GWh | Aug 2013 | Dec 2023 | Water |
| Orono Hydro Station | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 11.6 GWh | Dec 2008 | Dec 2023 | Water |
| Orono B | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 25.5 GWh | Oct 2013 | Dec 2023 | Water |
| Penobscot Energy Recovery | ESOCO Orrington LLC | Orrington, ME | ISO New England (ISNE) | 31.5 GWh | Oct 1987 | May 2023 | Non-biogenic Municipal Solid Waste : 54.1% Biogenic Municipal Solid Waste : 44.3% Distillate Fuel Oil : 1.6% |
Browse Power Plants By Maine Counties
Figures are based on February 2025 generation numbers.| County | State Rank | Active Plants | Feb 2025 Generation |
|---|---|---|---|
| Cumberland County, ME | # 1 | 20 | 3.4 TWh |
| Penobscot County, ME | # 2 | 43 | 2.3 TWh |
| Somerset County, ME | # 3 | 35 | 1.9 TWh |
| Oxford County, ME | # 4 | 18 | 1.4 TWh |
| Androscoggin County, ME | # 5 | 28 | 800.3 GWh |
| Franklin County, ME | # 6 | 16 | 786.9 GWh |
| Aroostook County, ME | # 7 | 26 | 572.0 GWh |
| Washington County, ME | # 8 | 8 | 532.6 GWh |
| County | State Rank | Active Plants | Feb 2025 Generation |
|---|---|---|---|
| Piscataquis County, ME | # 9 | 4 | 516.5 GWh |
| Hancock County, ME | # 10 | 13 | 469.3 GWh |
| York County, ME | # 11 | 19 | 325.5 GWh |
| Kennebec County, ME | # 12 | 24 | 214.5 GWh |
| Waldo County, ME | # 13 | 6 | 176.4 GWh |
| Sagadahoc County, ME | # 14 | 4 | 72.1 GWh |
| Knox County, ME | # 15 | 5 | 17.4 GWh |
| Lincoln County, ME | # 16 | 3 | 2.5 GWh |