Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Rumford Power LLC | Rumford Power | Rumford, ME | ISO New England (ISNE) | 637.7 GWh | Jun 2000 | Dec 2024 | Natural Gas |
| RoxWind | RoxWind LLC | Roxbury, ME | ISO New England (ISNE) | 35.8 GWh | Oct 2021 | Dec 2024 | Wind |
| Robbins Lumber | Robbins Lumber Inc | Searsmont, ME | ISO New England (ISNE) | 97.0 MWh | Dec 1980 | Dec 2023 | Distillate Fuel Oil |
| ReEnergy Stratton LLC | ReEnergy Stratton LLC | Stratton, ME | ISO New England (ISNE) | 203.1 GWh | Oct 1989 | Dec 2024 | Wood/Wood Waste Solids |
| ReEnergy Livermore Falls | ReEnergy Livermore Falls | Livermore Falls, ME | ISO New England (ISNE) | 266.8 GWh | Jul 1992 | Dec 2024 | Wood/Wood Waste Solids |
| Record Hill Wind | Record Hill Wind LLC | Roxbury, ME | ISO New England (ISNE) | 115.0 GWh | Dec 2011 | Dec 2024 | Wind |
| Route 3 China Solar, LLC | REA Investments, LLC | China, ME | ISO New England (ISNE) | 8.1 GWh | Nov 2022 | Dec 2024 | Solar |
| River Road | Norridgewock River Road Solar, LLC | Norridgewock, ME | ISO New England (ISNE) | 8.1 GWh | Feb 2022 | Dec 2024 | Solar |
| Rumford Cogeneration | ND Paper, Inc. | Rumford, ME | ISO New England (ISNE) | 436.8 GWh | Dec 1989 | Apr 2025 | Black Liquor : 53.6% Tire-derived Fuels : 22.6% Wood/Wood Waste Solids : 12.3% Bituminous Coal : 7.3% Residual Fuel Oil : 3.1% Sludge Waste : 1.0% |
| Ryans Ranch | Nautilus Solar Solutions | Paris, ME | ISO New England (ISNE) | 2.8 GWh | May 2022 | Dec 2024 | Solar |
| Richmond Hill | Greenbacker Renewable Energy Corporation | Richmond, ME | ISO New England (ISNE) | 2.6 GWh | Nov 2023 | Dec 2024 | Solar |
| Rollins Wind Project | Evergreen Wind, LLC | Winn Village, ME | ISO New England (ISNE) | 136.1 GWh | Jun 2011 | Dec 2024 | Wind |
| Regional Waste Systems | Ecomaine | Portland, ME | ISO New England (ISNE) | 81.8 GWh | May 1988 | Apr 2025 | Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8% |
| Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | ISO New England (ISNE) | 260.5 GWh | Dec 1917 | Dec 2024 | Water |
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 | 21.4 GWh |
| Sagadahoc County, ME | # 14 | 5 | 63.5 GWh |
| Kennebec County, ME | # 13 | 27 | 189.9 GWh |
| Waldo County, ME | # 12 | 9 | 213.0 GWh |
| York County, ME | # 11 | 22 | 259.0 GWh |
| Hancock County, ME | # 10 | 14 | 463.0 GWh |
| Piscataquis County, ME | # 9 | 6 | 515.4 GWh |
| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Washington County, ME | # 8 | 9 | 587.8 GWh |
| Aroostook County, ME | # 7 | 32 | 607.5 GWh |
| Androscoggin County, ME | # 6 | 28 | 758.1 GWh |
| Franklin County, ME | # 5 | 16 | 760.4 GWh |
| Somerset County, ME | # 4 | 36 | 1.5 TWh |
| Oxford County, ME | # 3 | 20 | 1.7 TWh |
| Cumberland County, ME | # 2 | 21 | 3.3 TWh |
| Penobscot County, ME | # 1 | 44 | 3.8 TWh |