Electricity Generation Aggregated by Maine County
| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|---|---|---|
| #12 | York County, ME | 260.4 GWh | 22 |
| #5 | Washington County, ME | 881.0 GWh | 9 |
| #11 | Waldo County, ME | 269.0 GWh | 9 |
| #4 | Somerset County, ME | 1.6 TWh | 36 |
| #14 | Sagadahoc County, ME | 63.5 GWh | 5 |
| #9 | Piscataquis County, ME | 518.8 GWh | 4 |
| #2 | Penobscot County, ME | 3.8 TWh | 47 |
| #3 | Oxford County, ME | 1.6 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 | 472.3 GWh | 14 |
| #7 | Franklin County, ME | 718.2 GWh | 16 |
| #1 | Cumberland County, ME | 4.2 TWh | 22 |
| #8 | Aroostook County, ME | 601.7 GWh | 32 |
| #6 | Androscoggin County, ME | 757.0 GWh | 29 |
Net Generation data is based on the last 12 months since Feb 2026
Top 20 Maine Counties by Net Generation
Totals are based on the most recent 12 months net generation- Cumberland County, ME4.18 TWh
- Penobscot County, ME3.77 TWh
- Oxford County, ME1.64 TWh
- Somerset County, ME1.62 TWh
- Washington County, ME880.97 GWh
- Androscoggin County, ME757.04 GWh
- Franklin County, ME718.22 GWh
- Aroostook County, ME601.70 GWh
- Piscataquis County, ME518.80 GWh
- Hancock County, ME472.25 GWh
- Waldo County, ME268.96 GWh
- York County, ME260.39 GWh
- Kennebec County, ME197.96 GWh
- Sagadahoc County, ME63.54 GWh
- Knox County, ME22.05 GWh
- Lincoln County, ME18.40 GWh