Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,523	Menominee County, MI	86.5 GWh	5
#943	Merced County, CA	545.8 GWh	31
#1,253	Mercer County, NJ	236.2 GWh	27
#67	Mercer County, ND	12.5 TWh	6
#559	Mercer County, KY	1.7 TWh	3
#1,954	Mercer County, OH	6.5 GWh	1
#1,986	Mercer County, PA	4.8 GWh	2
#1,877	Meriwether County, GA	11.6 GWh	3
#935	Merrimack County, NH	560.5 GWh	14
#1,549	Mesa County, CO	76.6 GWh	13
#1,444	Metcalfe County, KY	116.4 GWh	1
#1,749	Miami County, IN	27.6 GWh	4
#1,754	Miami County, OH	27.0 GWh	3
#1,605	Miami County, KS	59.3 GWh	5
#21	Miami-Dade County, FL	21.0 TWh	12
#102	Middlesex County, NJ	10.3 TWh	71
#345	Middlesex County, MA	3.7 TWh	68
#1,553	Middlesex County, VA	75.9 GWh	2
#892	Midland County, TX	609.4 GWh	1
#117	Midland County, MI	9.6 TWh	2
#538	Milam County, TX	1.8 TWh	14
#270	Millard County, UT	5.0 TWh	8
#2,129	Mille Lacs County, MN	134.0 MWh	1
#2,068	Miller County, AR	2.2 GWh	1
#977	Miller County, MO	497.1 GWh	1
#414	Mills County, TX	2.9 TWh	5
#109	Milwaukee County, WI	10.0 TWh	11
#913	Mineral County, WV	589.3 GWh	2
#1,174	Mineral County, NV	305.6 GWh	3
#1,455	Minidoka County, ID	111.7 GWh	2
#1,252	Minnehaha County, SD	237.3 GWh	2
#1,231	Missaukee County, MI	252.8 GWh	5
#142	Mississippi County, AR	8.7 TWh	7
#577	Mitchell County, IA	1.6 TWh	5
#701	Mitchell County, GA	1.1 TWh	8
#1,987	Mitchell County, KS	4.8 GWh	2
#1,160	Mitchell County, TX	331.3 GWh	6
#43	Mobile County, AL	15.7 TWh	9
#333	Moffat County, CO	3.8 TWh	3
#131	Mohave County, AZ	9.0 TWh	16
#1,340	Monmouth County, NJ	173.9 GWh	30
#793	Mono County, CA	785.9 GWh	9
#90	Monongalia County, WV	10.8 TWh	6
#12	Monroe County, MI	26.4 TWh	4
#170	Monroe County, GA	7.9 TWh	4
#336	Monroe County, OH	3.8 TWh	2
#1,463	Monroe County, IA	110.5 GWh	1
#828	Monroe County, AL	731.2 GWh	2
#916	Monroe County, NY	587.1 GWh	41
#2,092	Monroe County, IN	1.4 GWh	1
#2,047	Monroe County, PA	2.9 GWh	2
#2,113	Monroe County, IL	491.0 MWh	2
#2,031	Monroe County, FL	3.4 GWh	4
#1,837	Monroe County, WI	14.0 GWh	3
#574	Montcalm County, MI	1.6 TWh	6
#454	Monterey County, CA	2.5 TWh	29
#1,619	Montezuma County, CO	56.7 GWh	9
#1,780	Montgomery County, TN	21.8 GWh	3
#2,161	Montgomery County, IA	7.0 MWh	1
#1,668	Montgomery County, VA	43.0 GWh	2
#1,658	Montgomery County, IN	46.8 GWh	6
#1,917	Montgomery County, MO	8.8 GWh	1
#22	Montgomery County, PA	20.0 TWh	13
#174	Montgomery County, TX	7.7 TWh	10
#624	Montgomery County, OH	1.4 TWh	7
#1,420	Montgomery County, KS	128.5 GWh	2
#812	Montgomery County, GA	751.1 GWh	2
#884	Montgomery County, NC	617.4 GWh	14
#1,216	Montgomery County, NY	267.2 GWh	18
#1,282	Montgomery County, AL	214.3 GWh	3
#802	Montgomery County, MD	766.5 GWh	18
#1,530	Montgomery County, IL	85.1 GWh	3
#293	Montour County, PA	4.7 TWh	2
#941	Montrose County, CO	549.6 GWh	10
#1,524	Moore County, NC	86.4 GWh	12
#1,372	Moore County, TX	158.0 GWh	7
#874	Morehouse Parish, LA	639.9 GWh	5
#1,090	Morgan County, IL	387.0 GWh	8
#1,832	Morgan County, UT	14.9 GWh	1
#571	Morgan County, CO	1.6 TWh	11
#157	Morgan County, AL	8.3 TWh	3
#246	Morgan County, IN	5.6 TWh	1
#1,545	Morris County, NJ	78.2 GWh	16
#1,421	Morrison County, MN	128.5 GWh	3
#127	Morrow County, OR	9.1 TWh	22
#435	Morton County, ND	2.6 TWh	10
#1,510	Motley County, TX	91.7 GWh	1
#2,122	Moultrie County, IL	284.0 MWh	1
#475	Mower County, MN	2.3 TWh	10
#163	Muhlenberg County, KY	8.2 TWh	2
#347	Multnomah County, OR	3.7 TWh	7
#755	Murray County, MN	874.6 GWh	18
#155	Murray County, GA	8.3 TWh	4
#543	Murray County, OK	1.8 TWh	6
#811	Muscatine County, IA	751.1 GWh	6
#1,266	Muscogee County, GA	225.3 GWh	4
#1,665	Muskegon County, MI	43.7 GWh	4
#311	Muskingum County, OH	4.2 TWh	2
#372	Muskogee County, OK	3.5 TWh	3
#1,236	Nacogdoches County, TX	250.7 GWh	2

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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