Electricity Generation Aggregated by Idaho County

State Rank	County	Net Generation (Past Year)	Power Plants
#1	Kootenai County, ID	2.7 TWh	4
#2	Elmore County, ID	2.3 TWh	26
#3	Washington County, ID	2.1 TWh	2
#4	Payette County, ID	1.9 TWh	1
#5	Bonneville County, ID	1.6 TWh	12
#6	Clearwater County, ID	1.4 TWh	2
#7	Twin Falls County, ID	1.2 TWh	40
#8	Bonner County, ID	980.2 GWh	2
#9	Gooding County, ID	750.7 GWh	14
#10	Power County, ID	657.7 GWh	6
#11	Ada County, ID	634.6 GWh	11
#12	Owyhee County, ID	420.5 GWh	3
#13	Nez Perce County, ID	372.7 GWh	1
#14	Cassia County, ID	259.9 GWh	10
#15	Bingham County, ID	194.9 GWh	2
#16	Jerome County, ID	163.7 GWh	13
#17	Fremont County, ID	98.5 GWh	4
#18	Caribou County, ID	92.8 GWh	4
#19	Bannock County, ID	88.3 GWh	4
#20	Boundary County, ID	66.9 GWh	2
#21	Minidoka County, ID	59.4 GWh	2
#22	Gem County, ID	56.9 GWh	2
#23	Canyon County, ID	53.2 GWh	4
#24	Franklin County, ID	53.0 GWh	2
#25	Madison County, ID	39.5 GWh	1
#26	Valley County, ID	35.5 GWh	1
#27	Boise County, ID	35.5 GWh	1
#28	Teton County, ID	26.7 GWh	2
#29	Blaine County, ID	26.4 GWh	2
#30	Lincoln County, ID	14.5 GWh	3
#31	Adams County, ID	12.6 GWh	1
#32	Butte County, ID	12.5 GWh	1
#33	Jefferson County, ID	9.2 GWh	1
#34	Clark County, ID	9.2 GWh	1
#35	Benewah County, ID	8.8 GWh	1
#36	Idaho County, ID	3.6 GWh	1
#37	Lemhi County, ID	69.0 MWh	1

Net Generation data is based on the last 12 months since Jul 2024

Totals are based on the most recent 12 months net generation

List of All Idaho Counties