Electricity Generation Aggregated by Maine County
| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|---|---|---|
| #16 | Lincoln County, ME | 18.4 GWh | 4 |
| #15 | Knox County, ME | 21.4 GWh | 5 |
| #14 | Sagadahoc County, ME | 63.5 GWh | 5 |
| #13 | Kennebec County, ME | 189.9 GWh | 27 |
| #12 | Waldo County, ME | 213.0 GWh | 9 |
| #11 | York County, ME | 259.0 GWh | 22 |
| #10 | Hancock County, ME | 463.0 GWh | 14 |
| #9 | Piscataquis County, ME | 515.4 GWh | 6 |
| #8 | Washington County, ME | 587.8 GWh | 9 |
| #7 | Aroostook County, ME | 607.5 GWh | 32 |
| #6 | Androscoggin County, ME | 758.1 GWh | 28 |
| #5 | Franklin County, ME | 760.4 GWh | 16 |
| #4 | Somerset County, ME | 1.5 TWh | 36 |
| #3 | Oxford County, ME | 1.7 TWh | 20 |
| #2 | Cumberland County, ME | 3.3 TWh | 21 |
| #1 | Penobscot County, ME | 3.8 TWh | 44 |
Net Generation data is based on the last 12 months since Apr 2025
Top 20 Maine Counties by Net Generation
Totals are based on the most recent 12 months net generation- Penobscot County, ME3.76 TWh
- Cumberland County, ME3.33 TWh
- Oxford County, ME1.67 TWh
- Somerset County, ME1.51 TWh
- Franklin County, ME760.41 GWh
- Androscoggin County, ME758.13 GWh
- Aroostook County, ME607.54 GWh
- Washington County, ME587.79 GWh
- Piscataquis County, ME515.36 GWh
- Hancock County, ME463.04 GWh
- York County, ME258.99 GWh
- Waldo County, ME212.98 GWh
- Kennebec County, ME189.90 GWh
- Sagadahoc County, ME63.54 GWh
- Knox County, ME21.42 GWh
- Lincoln County, ME18.40 GWh