Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 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 |