Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#956	McDonough County, IL	537.3 GWh	8
#894	McCurtain County, OK	616.1 GWh	3
#664	McCulloch County, TX	1.2 TWh	3
#189	McCracken County, KY	7.1 TWh	4
#937	McCormick County, SC	566.0 GWh	1
#819	McCone County, MT	756.9 GWh	2
#537	McClain County, OK	1.8 TWh	1
#114	Mayes County, OK	10.0 TWh	14
#686	Maui County, HI	1.1 TWh	21
#1,392	Matanuska-Susitna Borough, AK	164.6 GWh	2
#19	Matagorda County, TX	21.2 TWh	13
#629	Mason County, IL	1.3 TWh	7
#142	Mason County, KY	8.7 TWh	2
#194	Mason County, WV	7.0 TWh	3
#1,241	Mason County, WA	273.6 GWh	3
#922	Mason County, MI	581.4 GWh	4
#848	Martin County, MN	697.7 GWh	9
#1,234	Martin County, TX	279.9 GWh	1
#1,296	Martin County, KY	225.2 GWh	1
#978	Martin County, NC	503.1 GWh	18
#137	Martin County, FL	8.9 TWh	6
#1,775	Martin County, IN	26.7 GWh	2
#1,658	Marshall County, IN	52.3 GWh	2
#1,928	Marshall County, MS	10.0 GWh	4
#970	Marshall County, AL	509.1 GWh	2
#1,110	Marshall County, IL	397.4 GWh	9
#665	Marshall County, KS	1.2 TWh	2
#626	Marshall County, KY	1.4 TWh	3
#318	Marshall County, IA	4.1 TWh	7
#295	Marshall County, WV	4.5 TWh	4
#913	Marquette County, MI	591.3 GWh	10
#1,287	Marlboro County, SC	234.5 GWh	3
#1,242	Mariposa County, CA	272.7 GWh	2
#923	Marion County, TN	577.6 GWh	1
#1,328	Marion County, IA	203.2 GWh	5
#939	Marion County, WV	565.2 GWh	4
#1,463	Marion County, OH	124.6 GWh	4
#1,046	Marion County, OR	439.9 GWh	31
#1,515	Marion County, IL	100.9 GWh	4
#1,800	Marion County, SC	22.9 GWh	12
#2,187	Marion County, FL	18.0 MWh	1
#555	Marion County, KS	1.7 TWh	3
#720	Marion County, TX	995.4 GWh	1
#709	Marion County, AR	1.0 TWh	1
#294	Marion County, IN	4.5 TWh	24
#1,220	Marinette County, WI	291.2 GWh	10
#1,764	Marin County, CA	28.1 GWh	3
#1	Maricopa County, AZ	78.4 TWh	97
#1,205	Marengo County, AL	303.0 GWh	1
#293	Marathon County, WI	4.5 TWh	8
#98	Manitowoc County, WI	10.7 TWh	7
#1,008	Manistee County, MI	472.2 GWh	3
#138	Manatee County, FL	8.9 TWh	13
#1,168	Malheur County, OR	341.1 GWh	15
#737	Major County, OK	942.4 GWh	3
#1,771	Mahoning County, OH	27.4 GWh	3
#901	Mahaska County, IA	606.3 GWh	1
#1,303	Madison County, NY	219.5 GWh	18
#1,359	Madison County, IN	184.4 GWh	10
#1,269	Madison County, IA	248.7 GWh	2
#1,390	Madison County, TN	165.2 GWh	4
#1,281	Madison County, MS	239.4 GWh	2
#999	Madison County, IL	483.5 GWh	16
#1,571	Madison County, AL	82.0 GWh	2
#1,071	Madison County, GA	424.3 GWh	2
#958	Madison County, FL	527.1 GWh	4
#492	Madison County, OH	2.1 TWh	5
#2,155	Madison County, AR	127.0 MWh	1
#2,108	Madison County, NC	1.8 GWh	3
#1,593	Madison County, MT	75.6 GWh	1
#1,714	Madison County, ID	37.7 GWh	1
#2,027	Madison County, MO	4.2 GWh	1
#1,819	Madison County, NE	20.1 GWh	5
#663	Madera County, CA	1.2 TWh	29
#1,299	Macoupin County, IL	221.9 GWh	9
#899	Macon County, GA	608.8 GWh	3
#1,542	Macon County, MO	92.4 GWh	6
#1,343	Macon County, NC	193.7 GWh	3
#513	Macon County, IL	2.0 TWh	10
#1,402	Macomb County, MI	159.0 GWh	4
#877	Lyon County, NV	656.1 GWh	6
#859	Lyon County, KY	674.6 GWh	2
#1,425	Lyon County, MN	147.4 GWh	17
#640	Lyon County, KS	1.3 TWh	4
#2,185	Lyon County, IA	20.0 MWh	1
#462	Lynn County, TX	2.4 TWh	5
#236	Lycoming County, PA	5.7 TWh	11
#13	Luzerne County, PA	27.0 TWh	11
#453	Luna County, NM	2.5 TWh	11
#210	Lucas County, OH	6.7 TWh	11
#2,025	Lucas County, IA	4.3 GWh	1
#368	Lubbock County, TX	3.5 TWh	8
#227	Lowndes County, MS	6.1 TWh	5
#959	Lowndes County, AL	521.7 GWh	1
#1,047	Lowndes County, GA	439.2 GWh	12
#325	Lower Connecticut River Valley Planning Region, CT	4.0 TWh	16
#2,014	Love County, OK	4.8 GWh	1
#33	Louisa County, VA	18.1 TWh	9
#299	Louisa County, IA	4.5 TWh	2
#285	Loudoun County, VA	4.7 TWh	3

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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