Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Cape Gas Turbine | FPL Energy Cape LLC | Portland, ME | ISO New England (ISNE) | 590.2 MWh | Dec 1969 | Dec 2023 | Distillate Fuel Oil |
| Cataract Hydro | Brookfield White Pine Hydro LLC | Saco, ME | ISO New England (ISNE) | 2.0 GWh | Dec 1936 | Dec 2023 | Water |
| Deer Rips | Brookfield White Pine Hydro LLC | Auburn, ME | ISO New England (ISNE) | 75.3 GWh | Dec 1902 | Dec 2023 | Water |
| International Paper Jay Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 7.8 GWh | Dec 1911 | Sep 2023 | Water |
| Harris Hydro | Brookfield White Pine Hydro LLC | West Forks, ME | ISO New England (ISNE) | 300.3 GWh | Dec 1953 | 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 |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 7.8 GWh | Dec 1917 | Dec 2023 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 5.6 GWh | Dec 1934 | Dec 2023 | Water |
| North Gorham | Brookfield White Pine Hydro LLC | Gorham, ME | ISO New England (ISNE) | 10.3 GWh | Dec 1924 | Dec 2023 | Water |
| Shawmut | Brookfield White Pine Hydro LLC | Shawmut, ME | ISO New England (ISNE) | 41.1 GWh | Dec 1912 | Dec 2023 | Water |
| Skelton | Brookfield White Pine Hydro LLC | Dayton, ME | ISO New England (ISNE) | 148.7 GWh | Dec 1947 | Dec 2023 | Water |
| Kibby Wind Facility | Helix Maine Wind Development, LLC | Chain of Ponds, ME | ISO New England (ISNE) | 257.9 GWh | Sep 2009 | Jun 2024 | Wind |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 28.1 GWh | Dec 1984 | Jun 2024 | 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 |
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | ISO New England (ISNE) | 594.2 GWh | Jun 1917 | Dec 2022 | Water |
| Hydro Kennebec Project | Hydro Kennebec LLC | Winslow, ME | ISO New England (ISNE) | 74.6 GWh | Dec 1988 | Dec 2023 | Water |
| 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% |
| Maine Independence Station | Casco Bay Energy Co LLC | Veazie, ME | ISO New England (ISNE) | 946.1 GWh | Apr 2000 | Dec 2023 | Natural Gas |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 30.6 GWh | Dec 1922 | Dec 2023 | Water |
| Westbrook Energy Center Power Plant | Westbrook Energy Center | Westbrook, ME | ISO New England (ISNE) | 3.1 TWh | Apr 2001 | Jun 2024 | Natural Gas |
| 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% |
| 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 |
| Waste Management Crossroads LFGTE | WM Renewable Energy LLC | Norridgewock, ME | ISO New England (ISNE) | 21.5 GWh | Feb 2009 | Dec 2023 | Landfill Gas |
| 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 |
| Orono Hydro Station | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 12.7 GWh | Dec 2008 | Dec 2023 | Water |
| Fox Island Wind LLC | Fox Island Wind LLC | Vinalhaven, ME | ISO New England (ISNE) | 6.6 GWh | Oct 2009 | Dec 2023 | Wind |
| S D Warren Westbrook | Elevate Power Management LLC | Westbrook, ME | ISO New England (ISNE) | 17.8 GWh | Dec 1902 | Dec 2022 | Water |
| Robbins Lumber | Robbins Lumber Inc | Searsmont, ME | ISO New England (ISNE) | 121.2 MWh | Dec 1980 | Dec 2023 | Distillate Fuel Oil |
| 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% |
| Worumbo Hydro Station | Eagle Creek Renewable Energy, LLC | Lisbon Falls, ME | ISO New England (ISNE) | 113.5 GWh | Jan 1989 | Dec 2023 | Water |
| Regional Waste Systems | Ecomaine | Portland, ME | ISO New England (ISNE) | 95.3 GWh | May 1988 | Jun 2024 | Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9% |
| Somerset Plant | Sappi Fine Paper North America-Somerset | Skowhegan, ME | ISO New England (ISNE) | 507.5 GWh | Dec 1975 | Jun 2024 | Black Liquor : 43.6% Wood/Wood Waste Solids : 38.8% Tire-derived Fuels : 7.1% Natural Gas : 7.1% Residual Fuel Oil : 2.2% Sludge Waste : 1.0% |
| Upper Barker | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 5.0 GWh | Apr 1987 | Dec 2022 | 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 |
| ReEnergy Stratton LLC | ReEnergy Stratton LLC | Stratton, ME | ISO New England (ISNE) | 208.7 GWh | Oct 1989 | Dec 2023 | 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 |
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | ISO New England (ISNE) | 4.8 GWh | Feb 1987 | Dec 2022 | Water |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 5.0 GWh | Jun 1986 | Dec 2023 | Water |
| Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | ISO New England (ISNE) | 77.1 GWh | Oct 1987 | 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 |
| International Paper Riley Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 8.3 GWh | Nov 1981 | Dec 2023 | Water |
| AES Daigle Solar, LLC | AES Clean Energy | Fort Kent, ME | (NBSO) | 2.2 GWh | Apr 2023 | Dec 2023 | Solar |
| Twin Rivers Paper Co LLC | Twin Rivers Paper Co LLC | Madawaska, ME | (NBSO) | 113.8 GWh | Apr 1987 | Jun 2024 | Purchased Steam |
| Woodland Pulp, LLC | Woodland Pulp LLC | Baileyville, ME | (NBSO) | 402.5 GWh | May 1906 | Dec 2022 | Black Liquor : 54.0% Natural Gas : 19.9% Water : 17.2% Wood/Wood Waste Solids : 8.9% |
| AES Pelletier Solar, LLC | AES Clean Energy | Fort Kent, ME | (NBSO) | 2.1 GWh | Apr 2023 | Sep 2023 | Solar |
| Mars Hill Wind Farm Project | Evergreen Wind, LLC | Mars Hill, ME | (NBSO) | 119.1 GWh | Feb 2007 | Dec 2023 | Wind |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 958.0 MWh | Nov 1941 | Aug 2023 | Water |
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 |