Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 182.9 GWh | Dec 1925 | Dec 2023 | 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 |
| Georges River Energy | Robbins Lumber Inc | Searsmont, ME | ISO New England (ISNE) | 39.0 GWh | Nov 2018 | Dec 2022 | Wood/Wood Waste Solids |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 4.9 GWh | Jun 1985 | Dec 2022 | Water |
| Fryeburg | Nautilus Solar Solutions | Fryeburg, ME | ISO New England (ISNE) | 5.7 GWh | Apr 2023 | Dec 2023 | Solar |
| Fox Island Wind LLC | Fox Island Wind LLC | Vinalhaven, ME | ISO New England (ISNE) | 6.6 GWh | Oct 2009 | Dec 2023 | Wind |
| Fort Fairfield | Standard Solar | Fairfield, ME | ISO New England (ISNE) | 1.4 GWh | Jul 2023 | Dec 2023 | Solar |
| Farmington Solar | Farmington Solar, LLC | Farmington, ME | ISO New England (ISNE) | 136.3 GWh | Sep 2021 | Jun 2024 | Solar |
| Farmingdale FA01 | Nautilus Solar Solutions | Farmingdale, ME | ISO New England (ISNE) | 7.8 GWh | May 2022 | Dec 2023 | Solar |
| Fairfield PV - BD Solar Fairfield LLC | BD Solar Fairfield LLC | Fairfield, ME | ISO New England (ISNE) | 8.5 GWh | May 2021 | Dec 2023 | Solar |
| Ellsworth Hydro Station | Brookfield Black Bear Hydro, LLC | Ellsworth, ME | ISO New England (ISNE) | 38.1 GWh | Jun 1924 | Dec 2023 | Water |
| Eastern Maine Medical Center | Eastern Maine Medical Center | Bangor, ME | ISO New England (ISNE) | 34.0 GWh | Sep 2006 | Jun 2024 | Natural Gas |
| 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 |
| Deer Rips | Brookfield White Pine Hydro LLC | Auburn, ME | ISO New England (ISNE) | 75.3 GWh | Dec 1902 | Dec 2023 | Water |
| Corkwood Solar (CSG) | NextGrid Corkwood, LLC | Howland, ME | ISO New England (ISNE) | 344.0 MWh | Oct 2023 | Dec 2023 | Solar |
| Charles E Monty | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 191.0 GWh | Dec 1989 | Dec 2023 | Water |
| Cenergy - Wiscasset (CSG) | Luminace Sunbeam Development Holdings, LLC | Wiscasset, ME | ISO New England (ISNE) | 2.5 GWh | Jun 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 |
| Cenergy - Kiger | Luminace Sunbeam Development Holdings, LLC | Embden, ME | ISO New England (ISNE) | 122.0 MWh | Nov 2023 | Dec 2023 | Solar |
| Caterpillar Hill | AES Clean Energy | Sedgwick, ME | ISO New England (ISNE) | 235.0 MWh | Nov 2023 | Dec 2023 | Solar |
| Cataract Hydro | Brookfield White Pine Hydro LLC | Saco, ME | ISO New England (ISNE) | 2.0 GWh | Dec 1936 | Dec 2023 | Water |
| Cape Gas Turbine | FPL Energy Cape LLC | Portland, ME | ISO New England (ISNE) | 590.2 MWh | Dec 1969 | Dec 2023 | Distillate Fuel Oil |
| Canton Mountain Wind | CPV Canton Mountain Wind LLC | Canton, ME | ISO New England (ISNE) | 56.7 GWh | Oct 2017 | Dec 2023 | Wind |
| BWC Maces Pond LLC | Navisun LLC | Rockport, ME | ISO New England (ISNE) | 4.6 GWh | Nov 2021 | Dec 2023 | Solar |
| BWC Beech Ridge Brook, LLC | Navisun LLC | Scarborough, ME | ISO New England (ISNE) | 4.7 GWh | Apr 2023 | Dec 2023 | Solar |
| Bull Hill Wind Project | Evergreen Wind, LLC | Eastbrook, ME | ISO New England (ISNE) | 92.1 GWh | Sep 2012 | Dec 2023 | Wind |
| Bucksport Generation LLC | Bucksport Generation LLC | Bucksport, ME | ISO New England (ISNE) | 13.4 GWh | Jun 1965 | Jun 2024 | Natural Gas : 97.9% Distillate Fuel Oil : 2.1% |
| Brunswick Hydro | Brookfield White Pine Hydro LLC | Brunswick, ME | ISO New England (ISNE) | 132.8 GWh | Feb 1982 | Dec 2023 | Water |
| Broadway Solar (CSG) | NextGrid Bitterbush, LLC | Bangor, ME | ISO New England (ISNE) | 1.3 GWh | Aug 2023 | Dec 2023 | Solar |
| Brassua Hydroelectric Project | Brassua Hydroelectric LP | Rockwood, ME | ISO New England (ISNE) | 21.2 GWh | Aug 1989 | Dec 2023 | Water |
| Bonny Eagle | Brookfield White Pine Hydro LLC | Hollis, ME | ISO New England (ISNE) | 50.5 GWh | Dec 1909 | Dec 2023 | Water |
| Bingham Wind | Onward Energy | Bingham, ME | ISO New England (ISNE) | 450.1 GWh | Nov 2016 | Jun 2024 | Wind |
| Benton Falls Associates | Essex Hydro Associates LLC | Benton, ME | ISO New England (ISNE) | 18.9 GWh | Nov 1987 | Dec 2023 | Water |
| Beaver Ridge Wind | CPV Beaver Ridge Wind LLC | Freedom, ME | ISO New England (ISNE) | 11.6 GWh | Oct 2008 | Dec 2023 | Wind |
| 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) | 2.3 GWh | May 2022 | Dec 2023 | Solar |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 5.3 GWh | Mar 1986 | Dec 2022 | Water |
| Barefoot Solar | Madison Energy Investments LLC | Fairfiled, ME | ISO New England (ISNE) | 4.1 GWh | Nov 2022 | Dec 2023 | Solar |
| Baldwin | Maine DG Solar Baldwin, LLC | West Baldwin, ME | ISO New England (ISNE) | 9.3 GWh | Feb 2022 | Dec 2023 | Solar |
| Aziscohos Hydroelectric Project | Brookfield White Pine Hydro LLC | Wilson Mills, ME | ISO New England (ISNE) | 41.6 GWh | May 1988 | Dec 2023 | Water |
| Augusta PV - BD Solar Augusta LLC | BD Solar Augusta LLC | Augusta, ME | ISO New England (ISNE) | 7.2 GWh | May 2021 | Dec 2023 | Solar |
| Augusta | Maine DG Solar Augusta, LLC | Augusta, ME | ISO New England (ISNE) | 4.8 GWh | Feb 2022 | Dec 2023 | Solar |
| Athens Energy | Athens Energy, LLC | Athens, ME | ISO New England (ISNE) | 65.4 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 |
| Arctaris Saddleback Solar | Arctaris Saddleback Solar, LLC | Dallas Plantation, ME | ISO New England (ISNE) | 201.0 MWh | Oct 2023 | Dec 2023 | Solar |
| Anson Abenaki Hydros | Eagle Creek Renewable Energy, LLC | Madison, ME | ISO New England (ISNE) | 158.6 GWh | Dec 1949 | Dec 2023 | Water |
| Androscoggin Mill | Pixelle Androscoggin LLC | Jay, ME | ISO New England (ISNE) | 104.1 GWh | Dec 1963 | Dec 2022 | Natural Gas : 47.8% Black Liquor : 39.9% Wood/Wood Waste Solids : 12.3% |
| Androscoggin Energy Center | Pixelle Androscoggin LLC | Jay, ME | ISO New England (ISNE) | 426.3 GWh | Sep 1999 | Mar 2023 | Natural Gas : 98.7% Distillate Fuel Oil : 1.3% |
| AES Pelletier Solar, LLC | AES Clean Energy | Fort Kent, ME | (NBSO) | 2.1 GWh | Apr 2023 | Sep 2023 | Solar |
| AES Daigle Solar, LLC | AES Clean Energy | Fort Kent, ME | (NBSO) | 2.2 GWh | Apr 2023 | Dec 2023 | Solar |
| Acton | Acton H Road Solar 1, LLC | Acton, ME | ISO New England (ISNE) | 4.7 GWh | Nov 2021 | Dec 2022 | 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 |