Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#982	Iowa County, WI	455.2 GWh	3
#731	Iowa County, IA	868.2 GWh	3
#1,360	Iredell County, NC	132.9 GWh	9
#640	Irion County, TX	1.2 TWh	1
#519	Iron County, UT	1.9 TWh	19
#1,877	Iron County, WI	9.1 GWh	1
#1,419	Iron County, MI	105.3 GWh	5
#776	Iroquois County, IL	759.3 GWh	3
#617	Isabella County, MI	1.3 TWh	4
#1,512	Isanti County, MN	72.4 GWh	6
#900	Isle of Wight County, VA	568.6 GWh	6
#298	Itasca County, MN	4.4 TWh	4
#655	Jack County, TX	1.1 TWh	3
#370	Jackson County, MO	3.3 TWh	14
#484	Jackson County, MI	2.2 TWh	4
#195	Jackson County, MS	6.9 TWh	3
#855	Jackson County, OR	620.7 GWh	12
#1,198	Jackson County, GA	242.8 GWh	1
#810	Jackson County, MN	710.6 GWh	17
#1,441	Jackson County, NC	94.9 GWh	5
#1,004	Jackson County, FL	436.9 GWh	5
#1,086	Jackson County, AR	353.7 GWh	3
#2,009	Jackson County, CO	2.4 GWh	1
#2,029	Jackson County, IN	1.6 GWh	1
#1,934	Jackson County, IA	5.2 GWh	5
#1,814	Jackson County, WI	13.9 GWh	4
#1,912	Jackson County, IL	6.6 GWh	2
#2,049	Jackson County, KS	1.0 GWh	1
#1,031	Jackson Parish, LA	412.2 GWh	1
#1,659	James City County, VA	35.4 GWh	2
#280	Jasper County, SC	4.8 TWh	5
#469	Jasper County, IN	2.3 TWh	10
#409	Jasper County, IL	2.9 TWh	2
#454	Jasper County, MO	2.4 TWh	5
#935	Jasper County, TX	517.7 GWh	3
#1,522	Jasper County, GA	70.3 GWh	1
#765	Jay County, IN	793.5 GWh	5
#734	Jeff Davis County, GA	866.7 GWh	6
#253	Jefferson County, IN	5.3 TWh	1
#28	Jefferson County, AL	18.9 TWh	4
#81	Jefferson County, KY	11.3 TWh	6
#131	Jefferson County, TX	8.8 TWh	12
#656	Jefferson County, WI	1.1 TWh	7
#350	Jefferson County, AR	3.6 TWh	3
#624	Jefferson County, OR	1.3 TWh	9
#64	Jefferson County, OH	12.5 TWh	5
#1,871	Jefferson County, ID	9.2 GWh	1
#1,970	Jefferson County, IL	3.9 GWh	1
#1,657	Jefferson County, WA	35.5 GWh	2
#1,143	Jefferson County, TN	301.3 GWh	2
#1,261	Jefferson County, NE	193.6 GWh	2
#1,276	Jefferson County, CO	182.0 GWh	9
#1,292	Jefferson County, WV	171.8 GWh	3
#874	Jefferson County, MO	603.1 GWh	1
#921	Jefferson County, NY	530.8 GWh	37
#1,395	Jefferson County, GA	118.5 GWh	3
#1,238	Jefferson Davis County, MS	210.2 GWh	2
#122	Jefferson Parish, LA	9.4 TWh	2
#1,631	Jenkins County, GA	39.7 GWh	1
#889	Jerauld County, SD	580.6 GWh	2
#1,305	Jerome County, ID	163.7 GWh	13
#1,627	Jersey County, IL	41.4 GWh	1
#1,167	Jim Hogg County, TX	272.5 GWh	3
#2,065	Jim Wells County, TX	409.0 MWh	1
#1,908	Jo Daviess County, IL	6.9 GWh	2
#1,820	Johnson County, AR	13.1 GWh	2
#1,852	Johnson County, IA	10.8 GWh	5
#2,003	Johnson County, IN	2.6 GWh	4
#1,257	Johnson County, MO	197.2 GWh	1
#1,177	Johnson County, KS	262.6 GWh	2
#660	Johnson County, TX	1.1 TWh	1
#809	Johnston County, OK	712.6 GWh	1
#1,262	Johnston County, NC	193.0 GWh	36
#1,163	Jones County, TX	280.5 GWh	7
#1,233	Jones County, NC	212.8 GWh	11
#509	Jones County, MS	1.9 TWh	1
#404	Juab County, UT	3.0 TWh	2
#1,078	Judith Basin County, MT	363.7 GWh	2
#1,006	Juneau City and Borough, AK	435.8 GWh	9
#1,420	Juneau County, WI	104.3 GWh	9
#1,178	Kalamazoo County, MI	261.6 GWh	6
#1,577	Kalkaska County, MI	54.5 GWh	1
#2,041	Kanabec County, MN	1.3 GWh	2
#1,381	Kanawha County, WV	123.8 GWh	7
#1,715	Kandiyohi County, MN	26.4 GWh	12
#1,499	Kane County, IL	75.6 GWh	13
#861	Kankakee County, IL	617.0 GWh	15
#1,741	Karnes County, TX	22.6 GWh	1
#933	Kauai County, HI	518.3 GWh	14
#108	Kaufman County, TX	10.1 TWh	3
#406	Kay County, OK	3.0 TWh	13
#1,691	Keith County, NE	30.2 GWh	1
#316	Kemper County, MS	4.1 TWh	2
#713	Kenai Peninsula Borough, AK	919.6 GWh	10
#260	Kendall County, IL	5.2 TWh	2
#479	Kenedy County, TX	2.2 TWh	7
#1,231	Kennebec County, ME	214.5 GWh	24
#1,245	Kenosha County, WI	204.5 GWh	5
#1,135	Kent County, MI	310.0 GWh	10
#1,234	Kent County, RI	212.6 GWh	17

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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