Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | ISO New England (ISNE) | 70.6 GWh | Oct 1987 | 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% |
| Pisgah Mountain Wind | Pisgah Mountain, LLC | Clifton, ME | ISO New England (ISNE) | 24.2 GWh | Nov 2016 | Dec 2023 | Wind |
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | ISO New England (ISNE) | 5.7 GWh | Jun 1986 | Dec 2023 | Water |
| Pittsfield Solar LLC | Pittsfiled Solar LLC | Pittsfield, ME | ISO New England (ISNE) | 15.7 GWh | Nov 2017 | Dec 2023 | Solar |
| Pittsfield Solar (N. Main St) | Maine DG Solar Pittsfield, LLC | Pittsfield, ME | ISO New England (ISNE) | 2.1 GWh | Sep 2023 | Dec 2023 | Solar |
| Pleasant Street | Greenbacker Renewable Energy Corporation | Wilton, ME | ISO New England (ISNE) | 98.0 MWh | Nov 2023 | Dec 2023 | Solar |
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | ISO New England (ISNE) | 5.5 GWh | Feb 1987 | Dec 2023 | Water |
| Record Hill Wind | Record Hill Wind LLC | Roxbury, ME | ISO New England (ISNE) | 110.9 GWh | Dec 2011 | Dec 2023 | Wind |
| 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% |
| ReEnergy Livermore Falls | ReEnergy Livermore Falls | Livermore Falls, ME | ISO New England (ISNE) | 222.7 GWh | Jul 1992 | Dec 2023 | Wood/Wood Waste Solids |
| ReEnergy Stratton LLC | ReEnergy Stratton LLC | Stratton, ME | ISO New England (ISNE) | 177.1 GWh | Oct 1989 | Dec 2023 | Wood/Wood Waste Solids |
| Regional Waste Systems | Ecomaine | Portland, ME | ISO New England (ISNE) | 81.9 GWh | May 1988 | Feb 2025 | Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8% |
| Richmond Hill | Greenbacker Renewable Energy Corporation | Richmond, ME | ISO New England (ISNE) | 16.0 MWh | Nov 2023 | Dec 2023 | Solar |
| River Road | Norridgewock River Road Solar, LLC | Norridgewock, ME | ISO New England (ISNE) | 7.7 GWh | Feb 2022 | Dec 2023 | Solar |
| Robbins Lumber | Robbins Lumber Inc | Searsmont, ME | ISO New England (ISNE) | 97.0 MWh | Dec 1980 | Dec 2023 | Distillate Fuel Oil |
| Rollins Wind Project | Evergreen Wind, LLC | Winn Village, ME | ISO New England (ISNE) | 132.2 GWh | Jun 2011 | Dec 2023 | Wind |
| RoxWind | RoxWind LLC | Roxbury, ME | ISO New England (ISNE) | 10.4 GWh | Oct 2021 | Dec 2023 | Wind |
| Rumford Cogeneration | ND Paper, Inc. | Rumford, ME | ISO New England (ISNE) | 425.3 GWh | Dec 1989 | Feb 2025 | Black Liquor : 53.9% Tire-derived Fuels : 23.2% Wood/Wood Waste Solids : 11.2% Bituminous Coal : 7.6% Residual Fuel Oil : 3.1% Sludge Waste : 1.0% |
| Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | ISO New England (ISNE) | 290.2 GWh | Dec 1917 | Dec 2023 | Water |
| Rumford Power LLC | Rumford Power | Rumford, ME | ISO New England (ISNE) | 403.4 GWh | Jun 2000 | Dec 2023 | Natural Gas |
| S D Warren Westbrook | Elevate Power Management LLC | Westbrook, ME | ISO New England (ISNE) | 32.7 GWh | Dec 1902 | Dec 2023 | Water |
| Saddleback Ridge Wind Farm | CPV Saddleback Ridge Wind, LLC | Carthage, ME | ISO New England (ISNE) | 82.5 GWh | Nov 2014 | Dec 2023 | Wind |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 4.9 GWh | Jun 1986 | Dec 2023 | Water |
| Samoset Solar | Samoset Solar, LLC | Rockport, ME | ISO New England (ISNE) | 1.8 GWh | Jun 2023 | Dec 2023 | Solar |
| Sanford Solar | Sanford Airport Solar, LLC | Sanford, ME | ISO New England (ISNE) | 87.6 GWh | Oct 2020 | Feb 2025 | Solar |
| SCS Harpswell 012903 Brunswick, LLC | Sol Systems | Brunswick, ME | ISO New England (ISNE) | 7.3 GWh | Oct 2022 | Dec 2023 | Solar |
| Shawmut | Brookfield White Pine Hydro LLC | Shawmut, ME | ISO New England (ISNE) | 36.7 GWh | Dec 1912 | Dec 2023 | Water |
| Sidney | Nautilus Solar Solutions | Sidney, ME | ISO New England (ISNE) | 1.4 GWh | Apr 2023 | Dec 2023 | Solar |
| Silver Maple | WEB Silver Maple Wind LLC | Clifton, ME | ISO New England (ISNE) | 52.1 GWh | Sep 2022 | Dec 2023 | Wind |
| Skelton | Brookfield White Pine Hydro LLC | Dayton, ME | ISO New England (ISNE) | 137.1 GWh | Dec 1947 | Dec 2023 | Water |
| Solar Mule, LLC | Solar Mule, LLC | Oakland, ME | ISO New England (ISNE) | 2.0 GWh | Aug 2017 | Dec 2023 | Solar |
| Somerset Plant | Sappi Fine Paper North America-Somerset | Skowhegan, ME | ISO New England (ISNE) | 540.5 GWh | Dec 1975 | Feb 2025 | Black Liquor : 46.6% Wood/Wood Waste Solids : 37.6% Tire-derived Fuels : 6.2% Natural Gas : 5.9% Residual Fuel Oil : 2.6% Sludge Waste : 1.0% |
| Spruce Mountain WInd | CPV Spruce Mountain Wind LLC | Bryant Pond, ME | ISO New England (ISNE) | 52.9 GWh | Nov 2011 | Dec 2023 | Wind |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 934.9 MWh | Nov 1941 | Aug 2023 | Water |
| Standish | Nautilus Solar Solutions | Standish, ME | ISO New England (ISNE) | 535.0 MWh | Sep 2023 | Dec 2023 | Solar |
| Stetson Wind I | Evergreen Wind, LLC | Danforth, ME | ISO New England (ISNE) | 106.6 GWh | Dec 2008 | Dec 2023 | Wind |
| Stetson Wind II | Evergreen Wind, LLC | Danforth, ME | ISO New England (ISNE) | 45.7 GWh | Feb 2010 | Dec 2023 | Wind |
| Stillwater B | Brookfield Black Bear Hydro, LLC | Old Town, ME | ISO New England (ISNE) | 12.8 GWh | Aug 2013 | Dec 2023 | Water |
| Stillwater Hydro Station | Brookfield Black Bear Hydro, LLC | Stillwater, ME | ISO New England (ISNE) | 12.1 GWh | Dec 1912 | Dec 2023 | Water |
| Three Corners Solar | Three Corners Solar, LLC | Unity, ME | ISO New England (ISNE) | 118.4 GWh | - | Feb 2025 | Solar |
| Town House | Nautilus Solar Solutions | Chelsea, ME | ISO New England (ISNE) | 7.6 GWh | Nov 2022 | Dec 2023 | Solar |
| Treasure Lane Solar 1 | AES Clean Energy | Manchester, ME | ISO New England (ISNE) | 1.0 GWh | Apr 2023 | Dec 2023 | Solar |
| Twin Rivers Paper Co LLC | Twin Rivers Paper Co LLC | Madawaska, ME | (NBSO) | 104.3 GWh | Apr 1987 | Feb 2025 | Purchased Steam |
| Unity Solar | Madison Energy Holdings LLC | Unity, ME | ISO New England (ISNE) | 7.3 GWh | Nov 2021 | 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 |
| Washington WS01 | Nautilus Solar Solutions | Washington, ME | ISO New England (ISNE) | 5.5 GWh | May 2022 | 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 |
| Water Street Solar | AES Distributed Energy | Randolph, ME | ISO New England (ISNE) | 5.8 GWh | Nov 2022 | Dec 2023 | Solar |
| Weaver Wind | Weaver Wind, LLC (Longroad) | Township 16, ME | ISO New England (ISNE) | 214.3 GWh | Nov 2020 | Feb 2025 | Wind |
| Webb Road Solar | NextGrid Mastic, LLC | Waterville, ME | ISO New England (ISNE) | 4.7 GWh | Aug 2022 | Dec 2023 | Solar |
| Wells (ME) | Nautilus Solar Solutions | Wells, ME | ISO New England (ISNE) | 8.3 GWh | Jun 2022 | Dec 2023 | Solar |
| West Buxton | Brookfield White Pine Hydro LLC | Buxton, ME | ISO New England (ISNE) | 35.7 GWh | Dec 1903 | Dec 2023 | Water |
| West Enfield Hydro | Brookfield Black Bear Hydro, LLC | West Enfield, ME | ISO New England (ISNE) | 100.4 GWh | Mar 1988 | Dec 2023 | Water |
| Westbrook Energy Center Power Plant | Westbrook Energy Center | Westbrook, ME | ISO New England (ISNE) | 3.0 TWh | Apr 2001 | Feb 2025 | Natural Gas |
| Weston Hydro | Brookfield White Pine Hydro LLC | Skowhegan, ME | ISO New England (ISNE) | 88.4 GWh | Dec 1919 | Dec 2023 | Water |
| William F Wyman Hybrid | FPL Energy Wyman LLC | Yarmouth, ME | ISO New England (ISNE) | 50.5 GWh | Dec 1956 | Feb 2025 | Residual Fuel Oil : 99.2% Distillate Fuel Oil : 0.8% |
| Williams Hydro | Brookfield White Pine Hydro LLC | Solon, ME | ISO New England (ISNE) | 97.2 GWh | Dec 1938 | Dec 2023 | Water |
| Winslow PV - BD Solar 2 LLC | BD Solar 2 LLC | Winslow, ME | ISO New England (ISNE) | 10.9 GWh | Jun 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% |
| Worumbo Hydro Station | Eagle Creek Renewable Energy, LLC | Lisbon Falls, ME | ISO New England (ISNE) | 104.8 GWh | Jan 1989 | Dec 2023 | Water |
| Wyman Hydro | Brookfield White Pine Hydro LLC | Bingham, ME | ISO New England (ISNE) | 501.6 GWh | Dec 1929 | Dec 2023 | Water |
Browse Power Plants By Maine Counties
Figures are based on February 2025 generation numbers.| County | State Rank | Active Plants | Feb 2025 Generation |
|---|---|---|---|
| Androscoggin County, ME | # 5 | 28 | 800.3 GWh |
| Aroostook County, ME | # 7 | 26 | 572.0 GWh |
| Cumberland County, ME | # 1 | 20 | 3.4 TWh |
| Franklin County, ME | # 6 | 16 | 786.9 GWh |
| Hancock County, ME | # 10 | 13 | 469.3 GWh |
| Kennebec County, ME | # 12 | 24 | 214.5 GWh |
| Knox County, ME | # 15 | 5 | 17.4 GWh |
| Lincoln County, ME | # 16 | 3 | 2.5 GWh |
| County | State Rank | Active Plants | Feb 2025 Generation |
|---|---|---|---|
| Oxford County, ME | # 4 | 18 | 1.4 TWh |
| Penobscot County, ME | # 2 | 43 | 2.3 TWh |
| Piscataquis County, ME | # 9 | 4 | 516.5 GWh |
| Sagadahoc County, ME | # 14 | 4 | 72.1 GWh |
| Somerset County, ME | # 3 | 35 | 1.9 TWh |
| Waldo County, ME | # 13 | 6 | 176.4 GWh |
| Washington County, ME | # 8 | 8 | 532.6 GWh |
| York County, ME | # 11 | 19 | 325.5 GWh |