Directory of Power Plants in Maine
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Passadumkeag Windpark LLC | Southern Power Co | Greenbush, ME | ISO New England (ISNE) | 134.5 GWh | Jun 2016 | Jun 2024 | Wind |
| Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | ISO New England (ISNE) | 77.1 GWh | Oct 1987 | Dec 2023 | Water |
| Penobscot Energy Recovery | ESOCO Orrington LLC | Orrington, ME | ISO New England (ISNE) | 37.2 GWh | Oct 1987 | May 2023 | Non-biogenic Municipal Solid Waste : 54.2% Biogenic Municipal Solid Waste : 44.3% Distillate Fuel Oil : 1.5% |
| Pisgah Mountain Wind | Pisgah Mountain, LLC | Clifton, ME | ISO New England (ISNE) | 27.4 GWh | Nov 2016 | Dec 2023 | Wind |
| Pittsfield Solar LLC | Pittsfiled Solar LLC | Pittsfield, ME | ISO New England (ISNE) | 16.4 GWh | Nov 2017 | Dec 2023 | Solar |
| Palmyra PV - BD Solar Palmyra LLC | BD Solar Palmyra LLC | Palmyra, ME | ISO New England (ISNE) | 8.1 GWh | May 2022 | Dec 2023 | Solar |
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | ISO New England (ISNE) | 4.8 GWh | Feb 1987 | Dec 2022 | Water |
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | ISO New England (ISNE) | 4.1 GWh | Jun 1986 | Dec 2022 | Water |
| Pittsfield Solar (N. Main St) | Maine DG Solar Pittsfield, LLC | Pittsfield, ME | ISO New England (ISNE) | 2.1 GWh | Sep 2023 | Dec 2023 | Solar |
Browse Power Plants By Maine Counties
Figures are based on June 2024 generation numbers.| County | State Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Cumberland County, ME | # 1 | 20 | 3.5 TWh |
| Penobscot County, ME | # 2 | 42 | 2.3 TWh |
| Somerset County, ME | # 3 | 34 | 2.0 TWh |
| Franklin County, ME | # 4 | 16 | 1.3 TWh |
| Oxford County, ME | # 5 | 17 | 1.0 TWh |
| Androscoggin County, ME | # 6 | 28 | 871.8 GWh |
| Washington County, ME | # 7 | 7 | 576.7 GWh |
| Aroostook County, ME | # 8 | 21 | 572.0 GWh |
| County | State Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Piscataquis County, ME | # 9 | 4 | 482.7 GWh |
| Hancock County, ME | # 10 | 13 | 477.1 GWh |
| York County, ME | # 11 | 19 | 353.0 GWh |
| Kennebec County, ME | # 12 | 24 | 224.9 GWh |
| Sagadahoc County, ME | # 13 | 4 | 77.1 GWh |
| Waldo County, ME | # 14 | 6 | 54.8 GWh |
| Knox County, ME | # 15 | 5 | 18.4 GWh |
| Lincoln County, ME | # 16 | 3 | 2.5 GWh |