Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,183	Mason County, WA	304.6 GWh	3
#851	Mason County, MI	679.2 GWh	4
#1,235	Martin County, TX	253.9 GWh	1
#836	Martin County, MN	718.2 GWh	9
#969	Martin County, NC	513.0 GWh	18
#1,293	Martin County, KY	216.2 GWh	1
#1,753	Martin County, IN	28.5 GWh	2
#131	Martin County, FL	8.9 TWh	6
#609	Marshall County, KY	1.5 TWh	3
#651	Marshall County, KS	1.2 TWh	2
#280	Marshall County, WV	4.8 TWh	4
#325	Marshall County, IA	4.0 TWh	7
#1,022	Marshall County, AL	454.8 GWh	2
#1,105	Marshall County, IL	375.0 GWh	6
#1,901	Marshall County, MS	10.1 GWh	4
#1,642	Marshall County, IN	54.1 GWh	2
#911	Marquette County, MI	600.9 GWh	9
#1,284	Marlboro County, SC	219.8 GWh	3
#1,189	Mariposa County, CA	299.7 GWh	2
#893	Marion County, WV	616.4 GWh	4
#1,303	Marion County, IA	207.4 GWh	5
#989	Marion County, TN	491.2 GWh	1
#1,045	Marion County, OR	434.3 GWh	30
#872	Marion County, AR	647.3 GWh	1
#564	Marion County, KS	1.7 TWh	3
#668	Marion County, TX	1.2 TWh	1
#289	Marion County, IN	4.6 TWh	24
#1,675	Marion County, OH	42.6 GWh	4
#2,129	Marion County, FL	129.0 MWh	1
#2,099	Marion County, IL	964.0 MWh	4
#1,776	Marion County, SC	24.8 GWh	11
#1,322	Marinette County, WI	193.4 GWh	10
#1,812	Marin County, CA	19.0 GWh	3
#1	Maricopa County, AZ	78.5 TWh	88
#1,177	Marengo County, AL	313.0 GWh	1
#275	Marathon County, WI	5.0 TWh	8
#97	Manitowoc County, WI	10.7 TWh	7
#977	Manistee County, MI	505.1 GWh	3
#138	Manatee County, FL	8.8 TWh	13
#1,132	Malheur County, OR	354.9 GWh	15
#747	Major County, OK	894.0 GWh	3
#1,764	Mahoning County, OH	26.8 GWh	3
#926	Mahaska County, IA	586.4 GWh	1
#1,338	Madison County, NY	181.7 GWh	16
#1,160	Madison County, IA	330.0 GWh	2
#1,259	Madison County, MS	241.0 GWh	1
#1,058	Madison County, GA	422.4 GWh	2
#1,563	Madison County, MT	76.2 GWh	1
#1,553	Madison County, AL	79.0 GWh	2
#992	Madison County, IL	490.3 GWh	10
#996	Madison County, FL	484.7 GWh	4
#1,360	Madison County, TN	168.1 GWh	4
#2,072	Madison County, NC	2.1 GWh	3
#1,817	Madison County, NE	18.5 GWh	5
#1,706	Madison County, ID	37.5 GWh	1
#1,927	Madison County, MO	8.4 GWh	1
#510	Madison County, OH	2.0 TWh	5
#690	Madison County, IN	1.1 TWh	10
#656	Madera County, CA	1.2 TWh	28
#1,704	Macoupin County, IL	37.5 GWh	4
#1,543	Macon County, MO	84.7 GWh	6
#1,323	Macon County, NC	190.3 GWh	3
#910	Macon County, GA	602.0 GWh	3
#493	Macon County, IL	2.1 TWh	6
#1,385	Macomb County, MI	156.2 GWh	4
#917	Lyon County, KY	590.6 GWh	2
#895	Lyon County, NV	614.3 GWh	5
#1,417	Lyon County, MN	136.2 GWh	16
#660	Lyon County, KS	1.2 TWh	4
#460	Lynn County, TX	2.3 TWh	5
#226	Lycoming County, PA	6.2 TWh	8
#13	Luzerne County, PA	26.1 TWh	10
#520	Luna County, NM	1.9 TWh	8
#198	Lucas County, OH	6.9 TWh	11
#2,086	Lucas County, IA	1.5 GWh	1
#384	Lubbock County, TX	3.3 TWh	8
#229	Lowndes County, MS	6.2 TWh	4
#909	Lowndes County, AL	602.0 GWh	1
#1,023	Lowndes County, GA	454.7 GWh	12
#341	Lower Connecticut River Valley Planning Region, CT	3.8 TWh	16
#1,989	Love County, OK	4.7 GWh	1
#281	Louisa County, IA	4.8 TWh	2
#35	Louisa County, VA	17.8 TWh	9
#291	Loudoun County, VA	4.6 TWh	2
#649	Loudon County, TN	1.3 TWh	4
#37	Los Angeles County, CA	17.0 TWh	308
#2,116	Los Alamos County, NM	447.0 MWh	1
#557	Lorain County, OH	1.7 TWh	7
#583	Logan County, OK	1.6 TWh	3
#387	Logan County, CO	3.2 TWh	18
#598	Logan County, IL	1.5 TWh	7
#1,852	Logan County, AR	13.7 GWh	3
#1,016	Logan County, OH	458.0 GWh	3
#1,106	Logan County, KY	374.7 GWh	1
#352	Llano County, TX	3.6 TWh	2
#459	Livingston County, IL	2.3 TWh	13
#1,136	Livingston County, NY	349.5 GWh	12
#1,107	Livingston County, KY	373.8 GWh	1
#1,911	Livingston County, MO	9.6 GWh	3
#929	Little River County, AR	574.3 GWh	1

Net Generation data is based on the last 12 months since Mar 2026

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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