Electricity Generation Aggregated by Maine County

State Rank	County	Net Generation (Past Year)	Power Plants
#16	Lincoln County, ME	21.0 GWh	4
#9	Piscataquis County, ME	506.7 GWh	4
#14	Sagadahoc County, ME	65.0 GWh	5
#15	Knox County, ME	22.2 GWh	6
#12	Waldo County, ME	282.9 GWh	10
#5	Washington County, ME	941.9 GWh	10
#10	Hancock County, ME	483.2 GWh	16
#7	Franklin County, ME	764.7 GWh	18
#3	Oxford County, ME	1.7 TWh	24
#1	Cumberland County, ME	4.1 TWh	25
#11	York County, ME	312.5 GWh	26
#6	Androscoggin County, ME	764.8 GWh	32
#8	Aroostook County, ME	667.5 GWh	33
#13	Kennebec County, ME	209.2 GWh	34
#4	Somerset County, ME	1.6 TWh	38
#2	Penobscot County, ME	2.6 TWh	51

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

Totals are based on the most recent 12 months net generation

List of All Maine Counties