Electricity Generation Aggregated by Colorado County

State Rank	County	Net Generation (Past Year)	Power Plants
#1	Weld County, CO	11.2 TWh	62
#2	Pueblo County, CO	6.5 TWh	21
#3	El Paso County, CO	5.3 TWh	20
#4	Adams County, CO	4.1 TWh	37
#5	Moffat County, CO	3.4 TWh	3
#6	Logan County, CO	3.2 TWh	18
#7	Kit Carson County, CO	3.0 TWh	9
#8	Lincoln County, CO	2.5 TWh	5
#9	Elbert County, CO	2.2 TWh	2
#10	Larimer County, CO	2.1 TWh	13
#11	Morgan County, CO	1.9 TWh	13
#12	Cheyenne County, CO	1.9 TWh	2
#13	Routt County, CO	1.6 TWh	1
#14	Prowers County, CO	868.1 GWh	4
#15	Montrose County, CO	490.4 GWh	10
#16	Huerfano County, CO	426.7 GWh	4
#17	Las Animas County, CO	422.4 GWh	4
#18	Denver County, CO	414.0 GWh	9
#19	Arapahoe County, CO	344.5 GWh	22
#20	Alamosa County, CO	312.7 GWh	9
#21	Bent County, CO	228.2 GWh	2
#22	Gunnison County, CO	198.0 GWh	2
#23	Delta County, CO	159.5 GWh	2
#24	Jefferson County, CO	159.0 GWh	9
#25	Garfield County, CO	150.6 GWh	13
#26	Clear Creek County, CO	128.4 GWh	3
#27	Dolores County, CO	121.1 GWh	1
#28	Boulder County, CO	119.6 GWh	12
#29	La Plata County, CO	71.0 GWh	4
#30	Mesa County, CO	69.1 GWh	13
#31	Summit County, CO	39.6 GWh	2
#32	Eagle County, CO	35.0 GWh	3
#33	Montezuma County, CO	32.9 GWh	8
#34	Park County, CO	21.9 GWh	1
#35	Grand County, CO	19.3 GWh	3
#36	Douglas County, CO	13.3 GWh	3
#37	Rio Blanco County, CO	12.2 GWh	3
#38	Ouray County, CO	12.0 GWh	1
#39	Pitkin County, CO	9.3 GWh	2
#40	Baca County, CO	9.1 GWh	5
#41	Chaffee County, CO	7.3 GWh	3
#42	Conejos County, CO	6.8 GWh	2
#43	Saguache County, CO	5.1 GWh	2
#44	Rio Grande County, CO	4.0 GWh	1
#45	Fremont County, CO	3.9 GWh	2
#46	Crowley County, CO	3.9 GWh	1
#47	Otero County, CO	3.7 GWh	3
#48	Jackson County, CO	2.1 GWh	1

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

Totals are based on the most recent 12 months net generation

List of All Colorado Counties