| Great Lakes Hydro America - ME | Hydroelectric | Great Lakes Hydro America LLC | 158 MW |
| Harris Hydro | Hydroelectric | Brookfield White Pine Hydro LLC | 76.4 MW |
| Wyman Hydro | Hydroelectric | Brookfield White Pine Hydro LLC | 72 MW |
| Rumford Falls Hydro Facility | Hydroelectric | Brookfield Power New England | 52.5 MW |
| Anson Abenaki Hydros | Hydroelectric | Eagle Creek Renewable Energy, LLC | 29 MW |
| Charles E Monty | Hydroelectric | Brookfield White Pine Hydro LLC | 28.4 MW |
| Brunswick Hydro | Hydroelectric | Brookfield White Pine Hydro LLC | 19.6 MW |
| Worumbo Hydro Station | Hydroelectric | Eagle Creek Renewable Energy, LLC | 19.4 MW |
| Gulf Island | Hydroelectric | Brookfield White Pine Hydro LLC | 19.2 MW |
| Skelton | Hydroelectric | Brookfield White Pine Hydro LLC | 16.8 MW |
| Hydro Kennebec Project | Hydroelectric | Hydro Kennebec LLC | 15.4 MW |
| Pejepscot Hydroelectric Project | Hydroelectric | Topsham Hydro Partners | 13.5 MW |
| West Enfield Hydro | Hydroelectric | Brookfield Black Bear Hydro, LLC | 13 MW |
| Williams Hydro | Hydroelectric | Brookfield White Pine Hydro LLC | 13 MW |
| Weston Hydro | Hydroelectric | Brookfield White Pine Hydro LLC | 12 MW |
| Hiram | Hydroelectric | Brookfield White Pine Hydro LLC | 10.5 MW |
| Otis Hydro | Hydroelectric | Eagle Creek Renewable Energy, LLC | 10.2 MW |
| International Paper Livermore Hydro | Hydroelectric | Eagle Creek Renewable Energy, LLC | 9.2 MW |
| Ellsworth Hydro Station | Hydroelectric | Brookfield Black Bear Hydro, LLC | 8.9 MW |
| Shawmut | Hydroelectric | Brookfield White Pine Hydro LLC | 8.8 MW |
| Milford Hydro Station | Hydroelectric | Brookfield Black Bear Hydro, LLC | 7.8 MW |
| West Buxton | Hydroelectric | Brookfield White Pine Hydro LLC | 7.7 MW |
| Lockwood Hydroelectric Facility | Hydroelectric | Merimil Ltd Partnership | 7.2 MW |
| Aziscohos Hydroelectric Project | Hydroelectric | Brookfield White Pine Hydro LLC | 6.7 MW |
| Cataract Hydro | Hydroelectric | Brookfield White Pine Hydro LLC | 6.6 MW |
| International Paper Riley Hydro | Hydroelectric | Eagle Creek Renewable Energy, LLC | 6.6 MW |
| Deer Rips | Hydroelectric | Brookfield White Pine Hydro LLC | 6.5 MW |
| Benton Falls Associates | Hydroelectric | Essex Hydro Associates LLC | 4.2 MW |
| Medway Hydro | Hydroelectric | Brookfield Black Bear Hydro, LLC | 4 MW |
| Orono B | Hydroelectric | Brookfield Black Bear Hydro, LLC | 3.9 MW |
| Brassua Hydroelectric Project | Hydroelectric | Brassua Hydroelectric LP | 3.6 MW |
| International Paper Jay Hydro | Hydroelectric | Eagle Creek Renewable Energy, LLC | 3.1 MW |
| Messalonskee 2 (Oakland) | Hydroelectric | Messalonskee Stream Hydro LLC | 2.8 MW |
| Orono Hydro Station | Hydroelectric | Brookfield Black Bear Hydro, LLC | 2.7 MW |
| Stillwater B | Hydroelectric | Brookfield Black Bear Hydro, LLC | 2.4 MW |
| North Gorham | Hydroelectric | Brookfield White Pine Hydro LLC | 2.2 MW |
| Messalonskee 5 | Hydroelectric | Messalonskee Stream Hydro LLC | 1.8 MW |
| Stillwater Hydro Station | Hydroelectric | Brookfield Black Bear Hydro, LLC | 1.8 MW |
| Messalonskee 3 | Hydroelectric | Messalonskee Stream Hydro LLC | 1.6 MW |
| Upper Androscoggin | Hydroelectric | Lewiston City of | 1.6 MW |
| Barker Lower | Hydroelectric | KEI (Maine) Power Management (III) LLC | 1.5 MW |
| Squa Pan Hydro Station | Hydroelectric | Algonquin Northern Maine | 1.5 MW |
| Mechanic Falls | Hydroelectric | KEI (Maine) Power Management (IV) LLC | 1.4 MW |
| Salmon Falls | Hydroelectric | Green Mountain Power Corp | 1.2 MW |
| Pittsfield Hydro | Hydroelectric | KEI (Maine) Power Management (II) LLC | 1.1 MW |
| Gardiner | Hydroelectric | KEI (Maine) Power Management (III) LLC | 1 MW |
| Pumpkin Hill | Hydroelectric | KEI (Maine) Power Management (II) LLC | 1 MW |
| Upper Barker | Hydroelectric | KEI (Maine) Power Management (III) LLC | 1 MW |