Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Treasure Lane Solar 1 | AES Clean Energy | Manchester, ME | ISO New England (ISNE) | 1.0 GWh | Apr 2023 | Dec 2023 | Solar |
| Lewiston Junction Road Solar | NextGrid Peppertree, LLC | Poland, ME | ISO New England (ISNE) | 6.6 GWh | Dec 2021 | Dec 2023 | Solar |
| Webb Road Solar | NextGrid Mastic, LLC | Waterville, ME | ISO New England (ISNE) | 4.9 GWh | Aug 2022 | Dec 2023 | Solar |
| Merrill Road Solar | NextGrid Mangrove, LLC | Lewiston, ME | ISO New England (ISNE) | 5.9 GWh | Feb 2022 | Dec 2023 | Solar |
| Lisbon Street Solar | NextGrid Cliffrose, LLC | Lewiston, ME | ISO New England (ISNE) | 2.8 GWh | Mar 2022 | Dec 2023 | Solar |
| Silver Maple | WEB Silver Maple Wind LLC | Clifton, ME | ISO New England (ISNE) | 57.7 GWh | Sep 2022 | Dec 2023 | Wind |
| 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 |
| Cenergy - Richards (CSG) | Luminace Sunbeam Development Holdings, LLC | Fairfield, ME | ISO New England (ISNE) | 220.0 MWh | Sep 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 - Kiger | Luminace Sunbeam Development Holdings, LLC | Embden, ME | ISO New England (ISNE) | 122.0 MWh | Nov 2023 | Dec 2023 | Solar |
| Cenergy - Wiscasset (CSG) | Luminace Sunbeam Development Holdings, LLC | Wiscasset, ME | ISO New England (ISNE) | 2.5 GWh | Jun 2023 | Dec 2023 | Solar |
| Barefoot Solar | Madison Energy Investments LLC | Fairfiled, ME | ISO New England (ISNE) | 4.1 GWh | Nov 2022 | 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 |
| Fort Fairfield | Standard Solar | Fairfield, ME | ISO New England (ISNE) | 1.4 GWh | Jul 2023 | Dec 2023 | Solar |
| Broadway Solar (CSG) | NextGrid Bitterbush, LLC | Bangor, ME | ISO New England (ISNE) | 1.3 GWh | Aug 2023 | Dec 2023 | Solar |
| Corkwood Solar (CSG) | NextGrid Corkwood, LLC | Howland, ME | ISO New England (ISNE) | 344.0 MWh | Oct 2023 | Dec 2023 | Solar |
| Athens AT01 | Nautilus Solar Solutions | Athens, ME | ISO New England (ISNE) | 6.9 GWh | May 2022 | Dec 2023 | Solar |
| MEVS DOT 109 | MEVS DOT, LLC | Augusta, ME | ISO New England (ISNE) | 1.4 GWh | Jun 2023 | Dec 2023 | Solar |
| Sidney | Nautilus Solar Solutions | Sidney, ME | ISO New England (ISNE) | 1.4 GWh | Apr 2023 | Dec 2023 | Solar |
| Standish | Nautilus Solar Solutions | Standish, ME | ISO New England (ISNE) | 535.0 MWh | Sep 2023 | Dec 2023 | Solar |
| Town House | Nautilus Solar Solutions | Chelsea, ME | ISO New England (ISNE) | 7.6 GWh | Nov 2022 | Dec 2023 | Solar |
| Washington WS01 | Nautilus Solar Solutions | Washington, ME | ISO New England (ISNE) | 5.5 GWh | May 2022 | Dec 2023 | Solar |
| Wells (ME) | Nautilus Solar Solutions | Wells, ME | ISO New England (ISNE) | 8.3 GWh | Jun 2022 | Dec 2023 | Solar |
| Caterpillar Hill | AES Clean Energy | Sedgwick, ME | ISO New England (ISNE) | 235.0 MWh | Nov 2023 | Dec 2023 | Solar |
| BWC Beech Ridge Brook, LLC | Navisun LLC | Scarborough, ME | ISO New England (ISNE) | 4.7 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 |
| Fryeburg | Nautilus Solar Solutions | Fryeburg, ME | ISO New England (ISNE) | 5.7 GWh | Apr 2023 | Dec 2023 | Solar |
| North Bridgton | Nautilus Solar Solutions | Oakland, ME | ISO New England (ISNE) | 8.2 GWh | Oct 2022 | Dec 2023 | Solar |
| Oakland | Nautilus Solar Solutions | Oakland, ME | ISO New England (ISNE) | 8.0 GWh | Aug 2022 | Dec 2023 | Solar |
| International Paper Jay Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 7.8 GWh | Dec 1911 | Sep 2023 | Water |
| AES Pelletier Solar, LLC | AES Clean Energy | Fort Kent, ME | (NBSO) | 2.1 GWh | Apr 2023 | Sep 2023 | Solar |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 958.0 MWh | Nov 1941 | Aug 2023 | Water |
| Penobscot Energy Recovery | ESOCO Orrington LLC | Orrington, ME | ISO New England (ISNE) | 37.2 GWh | Oct 1987 | May 2023 | Non-biogenic Municipal Solid Waste : 54.2% Biogenic Municipal Solid Waste : 44.3% Distillate Fuel Oil : 1.5% |
| 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% |
| BD Solar Hancock LLC | BD Solar Hancock LLC | Augusta, ME | ISO New England (ISNE) | 6.2 GWh | May 2022 | Mar 2023 | Solar |
| 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% |
| 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% |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 5.3 GWh | Mar 1986 | 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 |
| 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 |
| Upper Barker | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 5.0 GWh | Apr 1987 | Dec 2022 | 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% |
| 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 |
| Saddleback Ridge Wind Farm | CPV Saddleback Ridge Wind, LLC | Carthage, ME | ISO New England (ISNE) | 96.1 GWh | Nov 2014 | Dec 2022 | Wind |
| Georges River Energy | Robbins Lumber Inc | Searsmont, ME | ISO New England (ISNE) | 39.0 GWh | Nov 2018 | Dec 2022 | Wood/Wood Waste Solids |
| Acton | Acton H Road Solar 1, LLC | Acton, ME | ISO New England (ISNE) | 4.7 GWh | Nov 2021 | Dec 2022 | Solar |
| Naples | Naples Casco Solar 1, LLC | Naples, ME | ISO New England (ISNE) | 3.4 GWh | Nov 2021 | Dec 2022 | Solar |
| River Road | Norridgewock River Road Solar, LLC | Norridgewock, ME | ISO New England (ISNE) | 7.1 GWh | Feb 2022 | Dec 2022 | Solar |
| Unity Solar | Madison Energy Holdings LLC | Unity, ME | ISO New England (ISNE) | 4.0 GWh | Nov 2021 | Dec 2022 | Solar |
| SCS Harpswell 012903 Brunswick, LLC | Sol Systems | Brunswick, ME | ISO New England (ISNE) | 1.6 GWh | Oct 2022 | 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 |