Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Rumford Cogeneration | ND Paper, Inc. | Rumford, ME | ISO New England (ISNE) | 391.5 GWh | Dec 1989 | Mar 2026 | Black Liquor : 53.5% Tire-derived Fuels : 21.2% Wood/Wood Waste Solids : 16.3% Bituminous Coal : 6.7% Residual Fuel Oil : 1.4% Sludge Waste : 0.8% |
| Bingham Wind | Onward Energy | Bingham, ME | ISO New England (ISNE) | 471.3 GWh | Nov 2016 | Mar 2026 | Wind |
| Somerset Plant | Sappi Fine Paper North America-Somerset | Skowhegan, ME | ISO New England (ISNE) | 568.4 GWh | Dec 1975 | Mar 2026 | Black Liquor : 45.8% Wood/Wood Waste Solids : 34.9% Natural Gas : 10.7% Tire-derived Fuels : 4.3% Residual Fuel Oil : 3.5% Sludge Waste : 0.6% |
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | ISO New England (ISNE) | 570.9 GWh | Jun 1917 | Dec 2024 | Water |
| Rumford Power LLC | Rumford Power | Rumford, ME | ISO New England (ISNE) | 637.7 GWh | Jun 2000 | Dec 2024 | Natural Gas |
| Maine Independence Station | Casco Bay Energy Co LLC | Veazie, ME | ISO New England (ISNE) | 2.5 TWh | Apr 2000 | Dec 2024 | Natural Gas |
| Westbrook Energy Center Power Plant | Westbrook Energy Center | Westbrook, ME | ISO New England (ISNE) | 3.5 TWh | Apr 2001 | Mar 2026 | Natural Gas |
Browse Power Plants By Maine Counties
Figures are based on December 2024 generation numbers.| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Lincoln County, ME | # 16 | 4 | 18.4 GWh |
| Knox County, ME | # 15 | 5 | 22.0 GWh |
| Sagadahoc County, ME | # 14 | 5 | 63.5 GWh |
| Kennebec County, ME | # 13 | 27 | 198.0 GWh |
| York County, ME | # 12 | 22 | 259.7 GWh |
| Waldo County, ME | # 11 | 9 | 263.8 GWh |
| Hancock County, ME | # 10 | 14 | 474.1 GWh |
| Piscataquis County, ME | # 9 | 4 | 509.1 GWh |
| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Aroostook County, ME | # 8 | 32 | 598.2 GWh |
| Franklin County, ME | # 7 | 16 | 718.4 GWh |
| Androscoggin County, ME | # 6 | 29 | 756.3 GWh |
| Washington County, ME | # 5 | 9 | 896.3 GWh |
| Oxford County, ME | # 4 | 21 | 1.6 TWh |
| Somerset County, ME | # 3 | 36 | 1.6 TWh |
| Penobscot County, ME | # 2 | 47 | 3.8 TWh |
| Cumberland County, ME | # 1 | 22 | 4.1 TWh |