Electricity Generation Aggregated by Maine County
| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|---|---|---|
| #12 | York County, ME | 262.0 GWh | 22 |
| #7 | Washington County, ME | 696.9 GWh | 9 |
| #11 | Waldo County, ME | 272.1 GWh | 9 |
| #4 | Somerset County, ME | 1.6 TWh | 36 |
| #14 | Sagadahoc County, ME | 63.5 GWh | 5 |
| #9 | Piscataquis County, ME | 526.8 GWh | 4 |
| #1 | Penobscot County, ME | 3.8 TWh | 47 |
| #3 | Oxford County, ME | 1.7 TWh | 21 |
| #16 | Lincoln County, ME | 18.4 GWh | 4 |
| #15 | Knox County, ME | 22.0 GWh | 5 |
| #13 | Kennebec County, ME | 198.0 GWh | 27 |
| #10 | Hancock County, ME | 479.2 GWh | 14 |
| #6 | Franklin County, ME | 750.4 GWh | 16 |
| #2 | Cumberland County, ME | 3.3 TWh | 22 |
| #8 | Aroostook County, ME | 625.5 GWh | 32 |
| #5 | Androscoggin County, ME | 758.2 GWh | 29 |
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