Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,895	Macoupin County, IL	9.5 GWh	4
#722	Madera County, CA	970.8 GWh	28
#685	Madison County, IN	1.1 TWh	10
#513	Madison County, OH	1.9 TWh	5
#1,912	Madison County, MO	8.4 GWh	1
#1,797	Madison County, NE	18.5 GWh	5
#2,062	Madison County, NC	2.1 GWh	3
#1,676	Madison County, ID	40.0 GWh	1
#1,251	Madison County, MS	233.4 GWh	1
#1,070	Madison County, FL	404.7 GWh	4
#1,341	Madison County, TN	171.5 GWh	4
#1,151	Madison County, IA	330.0 GWh	2
#1,541	Madison County, AL	79.0 GWh	2
#979	Madison County, IL	492.2 GWh	10
#1,324	Madison County, NY	181.7 GWh	16
#1,551	Madison County, MT	76.2 GWh	1
#1,049	Madison County, GA	423.5 GWh	2
#911	Mahaska County, IA	586.6 GWh	1
#1,748	Mahoning County, OH	26.8 GWh	3
#755	Major County, OK	854.2 GWh	3
#1,122	Malheur County, OR	354.1 GWh	15
#166	Manatee County, FL	8.0 TWh	13
#1,001	Manistee County, MI	471.2 GWh	3
#91	Manitowoc County, WI	10.8 TWh	7
#273	Marathon County, WI	5.0 TWh	8
#1,166	Marengo County, AL	313.0 GWh	1
#1	Maricopa County, AZ	80.4 TWh	88
#1,794	Marin County, CA	19.0 GWh	3
#1,304	Marinette County, WI	193.4 GWh	10
#1,343	Marion County, IA	170.6 GWh	5
#981	Marion County, TN	491.2 GWh	1
#865	Marion County, AR	647.3 GWh	1
#884	Marion County, WV	616.4 GWh	4
#1,039	Marion County, OR	434.3 GWh	30
#664	Marion County, TX	1.2 TWh	1
#560	Marion County, KS	1.7 TWh	3
#348	Marion County, IN	3.7 TWh	24
#2,122	Marion County, FL	129.0 MWh	1
#1,714	Marion County, OH	32.7 GWh	4
#2,093	Marion County, IL	964.0 MWh	4
#1,761	Marion County, SC	24.8 GWh	11
#1,178	Mariposa County, CA	299.7 GWh	2
#1,269	Marlboro County, SC	219.8 GWh	3
#900	Marquette County, MI	600.9 GWh	9
#1,013	Marshall County, AL	454.8 GWh	2
#1,095	Marshall County, IL	374.2 GWh	6
#1,882	Marshall County, MS	10.1 GWh	4
#1,624	Marshall County, IN	53.4 GWh	2
#584	Marshall County, KY	1.5 TWh	3
#648	Marshall County, KS	1.2 TWh	2
#296	Marshall County, WV	4.6 TWh	4
#299	Marshall County, IA	4.5 TWh	7
#129	Martin County, FL	9.0 TWh	6
#832	Martin County, MN	717.0 GWh	9
#1,297	Martin County, KY	199.9 GWh	1
#964	Martin County, NC	513.0 GWh	18
#1,227	Martin County, TX	253.9 GWh	1
#1,737	Martin County, IN	28.5 GWh	2
#235	Mason County, WV	5.9 TWh	2
#145	Mason County, KY	8.5 TWh	2
#631	Mason County, IL	1.3 TWh	4
#875	Mason County, MI	631.0 GWh	4
#1,171	Mason County, WA	304.6 GWh	3
#16	Matagorda County, TX	22.3 TWh	10
#1,418	Matanuska-Susitna Borough, AK	128.2 GWh	2
#678	Maui County, HI	1.1 TWh	19
#1,811	Maverick County, TX	16.5 GWh	5
#107	Mayes County, OK	10.0 TWh	13
#658	McClain County, OK	1.2 TWh	1
#806	McCone County, MT	751.6 GWh	2
#863	McCormick County, SC	650.7 GWh	1
#189	McCracken County, KY	6.9 TWh	4
#655	McCulloch County, TX	1.2 TWh	3
#968	McCurtain County, OK	507.5 GWh	3
#965	McDonough County, IL	511.2 GWh	5
#1,059	McHenry County, ND	415.2 GWh	2
#1,711	McHenry County, IL	33.2 GWh	21
#904	McIntosh County, ND	593.1 GWh	2
#680	McKenzie County, ND	1.1 TWh	2
#652	McKinley County, NM	1.2 TWh	6
#392	McLean County, IL	3.1 TWh	15
#153	McLean County, ND	8.3 TWh	2
#360	McLennan County, TX	3.5 TWh	13
#1,461	McLeod County, MN	110.0 GWh	21
#1,506	McNairy County, TN	93.2 GWh	5
#1,720	McPherson County, KS	32.0 GWh	3
#2,130	Meade County, KS	85.0 MWh	1
#1,250	Meade County, KY	234.9 GWh	1
#1,559	Meagher County, MT	72.8 GWh	1
#26	Mecklenburg County, NC	19.7 TWh	8
#781	Mecklenburg County, VA	795.4 GWh	5
#1,812	Mecosta County, MI	16.4 GWh	1
#1,816	Medina County, OH	15.6 GWh	6
#1,487	Meeker County, MN	100.9 GWh	9
#1,335	Meigs County, OH	174.8 GWh	2
#1,820	Menard County, TX	15.1 GWh	1
#1,859	Mendocino County, CA	12.3 GWh	5
#1,515	Menominee County, MI	87.1 GWh	5
#940	Merced County, CA	543.8 GWh	31
#1,258	Mercer County, NJ	230.4 GWh	27

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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