Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,357	Iredell County, NC	132.9 GWh	9
#633	Irion County, TX	1.2 TWh	1
#517	Iron County, UT	1.9 TWh	19
#1,872	Iron County, WI	9.1 GWh	1
#1,417	Iron County, MI	105.3 GWh	5
#777	Iroquois County, IL	759.3 GWh	3
#614	Isabella County, MI	1.3 TWh	4
#1,507	Isanti County, MN	72.4 GWh	6
#906	Isle of Wight County, VA	555.4 GWh	6
#301	Itasca County, MN	4.3 TWh	4
#654	Jack County, TX	1.1 TWh	3
#386	Jackson County, MO	3.1 TWh	14
#194	Jackson County, MS	6.9 TWh	3
#491	Jackson County, MI	2.1 TWh	4
#1,439	Jackson County, NC	94.9 GWh	5
#1,083	Jackson County, AR	356.0 GWh	3
#1,200	Jackson County, GA	242.8 GWh	1
#808	Jackson County, MN	709.2 GWh	17
#852	Jackson County, OR	620.7 GWh	12
#1,001	Jackson County, FL	440.4 GWh	5
#2,028	Jackson County, IN	1.6 GWh	1
#1,808	Jackson County, WI	13.9 GWh	4
#1,924	Jackson County, IL	5.8 GWh	2
#1,930	Jackson County, IA	5.4 GWh	5
#2,006	Jackson County, CO	2.4 GWh	1
#2,049	Jackson County, KS	1.0 GWh	1
#1,032	Jackson Parish, LA	412.2 GWh	1
#1,656	James City County, VA	35.4 GWh	2
#443	Jasper County, MO	2.5 TWh	5
#413	Jasper County, IL	2.8 TWh	2
#475	Jasper County, IN	2.3 TWh	10
#279	Jasper County, SC	4.8 TWh	5
#938	Jasper County, TX	517.7 GWh	3
#1,518	Jasper County, GA	70.3 GWh	1
#764	Jay County, IN	793.4 GWh	5
#729	Jeff Davis County, GA	868.6 GWh	6
#76	Jefferson County, KY	11.5 TWh	6
#65	Jefferson County, OH	12.6 TWh	5
#622	Jefferson County, OR	1.3 TWh	9
#362	Jefferson County, AR	3.5 TWh	3
#259	Jefferson County, IN	5.2 TWh	1
#132	Jefferson County, TX	8.8 TWh	12
#29	Jefferson County, AL	18.9 TWh	4
#672	Jefferson County, WI	1.1 TWh	7
#772	Jefferson County, NY	769.5 GWh	37
#1,967	Jefferson County, IL	3.9 GWh	1
#1,866	Jefferson County, ID	9.2 GWh	1
#1,654	Jefferson County, WA	35.5 GWh	2
#868	Jefferson County, MO	603.1 GWh	1
#1,273	Jefferson County, CO	184.8 GWh	9
#1,306	Jefferson County, WV	162.4 GWh	3
#1,142	Jefferson County, TN	301.3 GWh	2
#1,262	Jefferson County, NE	193.5 GWh	2
#1,488	Jefferson County, GA	77.6 GWh	3
#1,239	Jefferson Davis County, MS	210.2 GWh	2
#129	Jefferson Parish, LA	8.9 TWh	2
#1,628	Jenkins County, GA	39.7 GWh	1
#890	Jerauld County, SD	579.9 GWh	2
#1,304	Jerome County, ID	163.7 GWh	13
#1,713	Jersey County, IL	26.2 GWh	1
#1,168	Jim Hogg County, TX	272.5 GWh	3
#2,064	Jim Wells County, TX	409.0 MWh	1
#1,904	Jo Daviess County, IL	6.9 GWh	2
#2,000	Johnson County, IN	2.6 GWh	4
#1,846	Johnson County, IA	10.8 GWh	5
#1,814	Johnson County, AR	13.1 GWh	2
#1,258	Johnson County, MO	197.2 GWh	1
#1,178	Johnson County, KS	262.6 GWh	2
#661	Johnson County, TX	1.1 TWh	1
#1,263	Johnston County, NC	193.0 GWh	36
#797	Johnston County, OK	726.0 GWh	1
#1,165	Jones County, TX	276.6 GWh	7
#1,236	Jones County, NC	211.9 GWh	11
#502	Jones County, MS	2.0 TWh	1
#398	Juab County, UT	3.0 TWh	2
#1,076	Judith Basin County, MT	369.5 GWh	2
#1,004	Juneau City and Borough, AK	435.8 GWh	9
#1,418	Juneau County, WI	104.4 GWh	9
#1,180	Kalamazoo County, MI	261.7 GWh	6
#1,578	Kalkaska County, MI	54.5 GWh	1
#2,040	Kanabec County, MN	1.3 GWh	2
#1,382	Kanawha County, WV	123.8 GWh	7
#1,711	Kandiyohi County, MN	26.4 GWh	12
#1,497	Kane County, IL	75.4 GWh	13
#856	Kankakee County, IL	617.0 GWh	15
#1,737	Karnes County, TX	22.6 GWh	1
#940	Kauai County, HI	516.3 GWh	14
#112	Kaufman County, TX	9.9 TWh	3
#400	Kay County, OK	3.0 TWh	13
#1,689	Keith County, NE	30.2 GWh	1
#305	Kemper County, MS	4.3 TWh	2
#706	Kenai Peninsula Borough, AK	923.4 GWh	10
#276	Kendall County, IL	4.9 TWh	2
#481	Kenedy County, TX	2.2 TWh	7
#1,233	Kennebec County, ME	214.5 GWh	24
#1,245	Kenosha County, WI	204.5 GWh	5
#1,136	Kent County, MI	310.3 GWh	10
#1,235	Kent County, RI	211.9 GWh	17
#1,766	Kent County, MD	18.3 GWh	6
#615	Kent County, TX	1.3 TWh	5

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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