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 | 22.0 GWh | 5 |
| #14 | Sagadahoc County, ME | 63.5 GWh | 5 |
| #13 | Kennebec County, ME | 198.0 GWh | 27 |
| #12 | York County, ME | 262.0 GWh | 22 |
| #11 | Waldo County, ME | 272.1 GWh | 9 |
| #10 | Hancock County, ME | 479.2 GWh | 14 |
| #9 | Piscataquis County, ME | 526.8 GWh | 4 |
| #8 | Aroostook County, ME | 625.5 GWh | 32 |
| #7 | Washington County, ME | 696.9 GWh | 9 |
| #6 | Franklin County, ME | 750.4 GWh | 16 |
| #5 | Androscoggin County, ME | 758.2 GWh | 29 |
| #4 | Somerset County, ME | 1.6 TWh | 36 |
| #3 | Oxford County, ME | 1.7 TWh | 21 |
| #2 | Cumberland County, ME | 3.3 TWh | 22 |
| #1 | Penobscot County, ME | 3.8 TWh | 47 |
Net Generation data is based on the last 12 months since Sep 2025
Top 20 Maine Counties by Net Generation
Totals are based on the most recent 12 months net generation- Penobscot County, ME3.77 TWh
- Cumberland County, ME3.28 TWh
- Oxford County, ME1.66 TWh
- Somerset County, ME1.57 TWh
- Androscoggin County, ME758.19 GWh
- Franklin County, ME750.38 GWh
- Washington County, ME696.92 GWh
- Aroostook County, ME625.46 GWh
- Piscataquis County, ME526.81 GWh
- Hancock County, ME479.19 GWh
- Waldo County, ME272.08 GWh
- York County, ME261.99 GWh
- Kennebec County, ME197.96 GWh
- Sagadahoc County, ME63.54 GWh
- Knox County, ME22.05 GWh
- Lincoln County, ME18.40 GWh