Electricity Generation Aggregated by Maine County
| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|---|---|---|
| #6 | Androscoggin County, ME | 758.2 GWh | 29 |
| #8 | Aroostook County, ME | 608.8 GWh | 32 |
| #1 | Cumberland County, ME | 3.8 TWh | 22 |
| #7 | Franklin County, ME | 748.7 GWh | 16 |
| #10 | Hancock County, ME | 480.8 GWh | 14 |
| #13 | Kennebec County, ME | 198.0 GWh | 27 |
| #15 | Knox County, ME | 22.0 GWh | 5 |
| #16 | Lincoln County, ME | 18.4 GWh | 4 |
| #3 | Oxford County, ME | 1.7 TWh | 21 |
| #2 | Penobscot County, ME | 3.8 TWh | 47 |
| #9 | Piscataquis County, ME | 536.6 GWh | 4 |
| #14 | Sagadahoc County, ME | 63.5 GWh | 5 |
| #4 | Somerset County, ME | 1.6 TWh | 36 |
| #11 | Waldo County, ME | 270.2 GWh | 9 |
| #5 | Washington County, ME | 816.3 GWh | 9 |
| #12 | York County, ME | 259.7 GWh | 22 |
Net Generation data is based on the last 12 months since Dec 2025
Top 20 Maine Counties by Net Generation
Totals are based on the most recent 12 months net generation- Cumberland County, ME3.80 TWh
- Penobscot County, ME3.77 TWh
- Oxford County, ME1.65 TWh
- Somerset County, ME1.58 TWh
- Washington County, ME816.29 GWh
- Androscoggin County, ME758.19 GWh
- Franklin County, ME748.67 GWh
- Aroostook County, ME608.77 GWh
- Piscataquis County, ME536.56 GWh
- Hancock County, ME480.83 GWh
- Waldo County, ME270.22 GWh
- York County, ME259.73 GWh
- Kennebec County, ME197.96 GWh
- Sagadahoc County, ME63.54 GWh
- Knox County, ME22.05 GWh
- Lincoln County, ME18.40 GWh