Electricity Generation Aggregated by Maine County

State Rank	County	Net Generation (Past Year)	Power Plants
#16	Lincoln County, ME	21.0 GWh	4
#15	Knox County, ME	22.2 GWh	6
#14	Sagadahoc County, ME	65.0 GWh	5
#13	Kennebec County, ME	209.2 GWh	34
#12	Waldo County, ME	276.3 GWh	10
#11	York County, ME	311.4 GWh	26
#10	Hancock County, ME	484.9 GWh	16
#9	Piscataquis County, ME	514.9 GWh	4
#8	Aroostook County, ME	666.5 GWh	33
#7	Androscoggin County, ME	764.8 GWh	32
#6	Franklin County, ME	765.3 GWh	18
#5	Washington County, ME	938.2 GWh	10
#4	Somerset County, ME	1.6 TWh	38
#3	Oxford County, ME	1.7 TWh	24
#2	Penobscot County, ME	2.6 TWh	51
#1	Cumberland County, ME	4.1 TWh	25

Net Generation data is based on the last 12 months since Aug 2026

Totals are based on the most recent 12 months net generation

List of All Maine Counties