Electricity Generation Aggregated by Washington County

State Rank	County	Net Generation (Past Year)	Power Plants
#31	Franklin County, WA	12.8 GWh	3
#30	Jefferson County, WA	26.8 GWh	3
#29	Clallam County, WA	37.5 GWh	3
#28	Yakima County, WA	96.6 GWh	12
#27	Mason County, WA	304.6 GWh	3
#26	Stevens County, WA	352.1 GWh	4
#25	King County, WA	367.3 GWh	12
#24	Snohomish County, WA	401.9 GWh	9
#23	Thurston County, WA	447.3 GWh	4
#22	Adams County, WA	464.8 GWh	4
#21	Skamania County, WA	525.6 GWh	1
#20	Spokane County, WA	559.3 GWh	7
#19	Lincoln County, WA	641.5 GWh	2
#18	Garfield County, WA	852.0 GWh	2
#17	Kittitas County, WA	1.2 TWh	9
#16	Clark County, WA	1.6 TWh	2
#15	Whitman County, WA	1.7 TWh	6
#14	Skagit County, WA	1.8 TWh	4
#13	Pierce County, WA	2.4 TWh	14
#12	Grays Harbor County, WA	3.1 TWh	6
#11	Walla Walla County, WA	3.2 TWh	4
#10	Pend Oreille County, WA	3.3 TWh	3
#9	Cowlitz County, WA	3.4 TWh	6
#8	Columbia County, WA	3.4 TWh	4
#7	Whatcom County, WA	5.1 TWh	13
#6	Klickitat County, WA	5.6 TWh	16
#5	Lewis County, WA	7.3 TWh	8
#4	Douglas County, WA	9.5 TWh	1
#3	Benton County, WA	10.2 TWh	7
#2	Chelan County, WA	11.0 TWh	5
#1	Grant County, WA	24.3 TWh	9

Net Generation data is based on the last 12 months since Mar 2025

Totals are based on the most recent 12 months net generation

List of All Washington Counties