Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Cenergy - Wiscasset (CSG) | Luminace Sunbeam Development Holdings, LLC | Wiscasset, ME | ISO New England (ISNE) | 8.5 GWh | Jun 2023 | Dec 2024 | Solar |
| Cenergy - Waterville (CSG) | Luminace Sunbeam Development Holdings, LLC | Waterville, ME | ISO New England (ISNE) | 9.1 GWh | Jun 2023 | Dec 2024 | Solar |
| Caterpillar Hill | AES Clean Energy | Sedgwick, ME | ISO New England (ISNE) | 8.8 GWh | Nov 2023 | Dec 2024 | Solar |
| Cataract Hydro | Brookfield White Pine Hydro LLC | Saco, ME | ISO New England (ISNE) | 28.5 GWh | Dec 1936 | Dec 2024 | Water |
| Cape Gas Turbine | FPL Energy Cape LLC | Portland, ME | ISO New England (ISNE) | 111.0 MWh | Dec 1969 | Dec 2024 | Distillate Fuel Oil |
| Charles E Monty | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 140.7 GWh | Dec 1989 | Dec 2024 | Water |
| Corkwood Solar (CSG) | NextGrid Corkwood, LLC | Howland, ME | ISO New England (ISNE) | 5.4 GWh | Oct 2023 | Dec 2024 | Solar |
| Cenergy - Richards (CSG) | Luminace Sunbeam Development Holdings, LLC | Fairfield, ME | ISO New England (ISNE) | 1.8 GWh | Sep 2023 | Dec 2024 | Solar |
| Cenergy - Kiger | Luminace Sunbeam Development Holdings, LLC | Embden, ME | ISO New England (ISNE) | 2.0 GWh | Nov 2023 | Dec 2024 | Solar |
| Caribou | Altus Power America Management, LLC | Caribou, ME | ISO New England (ISNE) | 6.3 GWh | Jul 2023 | Dec 2024 | Solar |
| Canton Mountain Wind | CPV Canton Mountain Wind LLC | Canton, ME | ISO New England (ISNE) | 50.5 GWh | Oct 2017 | Dec 2024 | Wind |
| Canton GLC Solar, LLC | REA Investments, LLC | Canton, ME | ISO New England (ISNE) | 3.6 GWh | Mar 2024 | Dec 2024 | Solar |
| Church Hill Road Augusta Solar, LLC | REA Investments, LLC | Augusta, ME | ISO New England (ISNE) | 6.0 GWh | Jan 2022 | Dec 2024 | Solar |
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 | 204.0 GWh |
| York County, ME | # 11 | 22 | 261.5 GWh |
| Hancock County, ME | # 10 | 14 | 465.2 GWh |
| Piscataquis County, ME | # 9 | 6 | 523.2 GWh |
| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Washington County, ME | # 8 | 9 | 568.2 GWh |
| Aroostook County, ME | # 7 | 32 | 617.9 GWh |
| Androscoggin County, ME | # 6 | 28 | 758.3 GWh |
| Franklin County, ME | # 5 | 16 | 762.5 GWh |
| Somerset County, ME | # 4 | 36 | 1.5 TWh |
| Oxford County, ME | # 3 | 20 | 1.7 TWh |
| Cumberland County, ME | # 2 | 21 | 3.4 TWh |
| Penobscot County, ME | # 1 | 44 | 3.8 TWh |