Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#68	Mercer County, ND	12.5 TWh	6
#569	Mercer County, KY	1.6 TWh	3
#1,945	Mercer County, OH	6.5 GWh	1
#1,970	Mercer County, PA	5.0 GWh	2
#1,868	Meriwether County, GA	11.6 GWh	3
#918	Merrimack County, NH	582.0 GWh	14
#1,547	Mesa County, CO	76.6 GWh	13
#1,442	Metcalfe County, KY	115.5 GWh	1
#1,742	Miami County, IN	27.6 GWh	4
#1,746	Miami County, OH	27.0 GWh	3
#1,601	Miami County, KS	59.3 GWh	5
#21	Miami-Dade County, FL	20.6 TWh	12
#343	Middlesex County, MA	3.8 TWh	68
#111	Middlesex County, NJ	9.9 TWh	71
#1,552	Middlesex County, VA	75.9 GWh	2
#890	Midland County, TX	610.6 GWh	1
#118	Midland County, MI	9.7 TWh	2
#544	Milam County, TX	1.7 TWh	14
#245	Millard County, UT	5.6 TWh	8
#2,121	Mille Lacs County, MN	134.0 MWh	1
#2,059	Miller County, AR	2.2 GWh	1
#975	Miller County, MO	497.1 GWh	1
#414	Mills County, TX	2.9 TWh	5
#104	Milwaukee County, WI	10.1 TWh	11
#922	Mineral County, WV	575.4 GWh	2
#1,170	Mineral County, NV	305.7 GWh	3
#1,451	Minidoka County, ID	111.7 GWh	2
#1,248	Minnehaha County, SD	237.3 GWh	2
#1,228	Missaukee County, MI	252.8 GWh	5
#127	Mississippi County, AR	9.0 TWh	7
#697	Mitchell County, GA	1.1 TWh	8
#575	Mitchell County, IA	1.6 TWh	5
#1,978	Mitchell County, KS	4.8 GWh	2
#1,150	Mitchell County, TX	331.3 GWh	6
#42	Mobile County, AL	15.8 TWh	9
#329	Moffat County, CO	3.9 TWh	3
#128	Mohave County, AZ	9.0 TWh	16
#1,337	Monmouth County, NJ	174.1 GWh	30
#788	Mono County, CA	785.9 GWh	9
#99	Monongalia County, WV	10.3 TWh	6
#14	Monroe County, MI	25.7 TWh	4
#334	Monroe County, OH	3.9 TWh	2
#177	Monroe County, GA	7.7 TWh	4
#823	Monroe County, AL	734.2 GWh	2
#916	Monroe County, NY	583.9 GWh	41
#1,459	Monroe County, IA	110.5 GWh	1
#2,105	Monroe County, IL	491.0 MWh	2
#1,830	Monroe County, WI	14.0 GWh	3
#2,038	Monroe County, PA	2.9 GWh	2
#2,084	Monroe County, IN	1.4 GWh	1
#2,022	Monroe County, FL	3.4 GWh	4
#606	Montcalm County, MI	1.4 TWh	6
#404	Monterey County, CA	2.9 TWh	29
#1,701	Montezuma County, CO	35.2 GWh	9
#1,642	Montgomery County, VA	49.2 GWh	2
#1,651	Montgomery County, IN	46.8 GWh	6
#1,906	Montgomery County, MO	8.8 GWh	1
#2,154	Montgomery County, IA	7.0 MWh	1
#1,771	Montgomery County, TN	21.8 GWh	3
#616	Montgomery County, OH	1.4 TWh	7
#25	Montgomery County, PA	19.9 TWh	13
#167	Montgomery County, TX	8.0 TWh	10
#830	Montgomery County, GA	719.5 GWh	2
#1,279	Montgomery County, AL	213.8 GWh	3
#798	Montgomery County, MD	762.8 GWh	18
#883	Montgomery County, NC	616.5 GWh	14
#1,416	Montgomery County, KS	128.5 GWh	2
#1,201	Montgomery County, NY	274.3 GWh	18
#1,538	Montgomery County, IL	79.9 GWh	3
#287	Montour County, PA	4.8 TWh	2
#938	Montrose County, CO	549.6 GWh	10
#1,520	Moore County, NC	86.4 GWh	12
#1,369	Moore County, TX	158.0 GWh	7
#869	Morehouse Parish, LA	642.0 GWh	5
#1,084	Morgan County, IL	383.0 GWh	8
#1,825	Morgan County, UT	14.9 GWh	1
#247	Morgan County, IN	5.6 TWh	1
#529	Morgan County, CO	1.8 TWh	11
#148	Morgan County, AL	8.4 TWh	3
#1,544	Morris County, NJ	78.2 GWh	16
#1,417	Morrison County, MN	128.5 GWh	3
#124	Morrow County, OR	9.1 TWh	22
#434	Morton County, ND	2.6 TWh	10
#2,116	Moultrie County, IL	245.0 MWh	1
#476	Mower County, MN	2.2 TWh	10
#175	Muhlenberg County, KY	7.7 TWh	2
#351	Multnomah County, OR	3.6 TWh	7
#763	Murray County, MN	835.5 GWh	18
#540	Murray County, OK	1.8 TWh	6
#146	Murray County, GA	8.5 TWh	4
#825	Muscatine County, IA	730.2 GWh	6
#1,263	Muscogee County, GA	225.3 GWh	4
#1,659	Muskegon County, MI	43.7 GWh	4
#316	Muskingum County, OH	4.2 TWh	2
#378	Muskogee County, OK	3.3 TWh	3
#1,281	Nacogdoches County, TX	212.7 GWh	2
#1,634	Napa County, CA	51.0 GWh	9
#923	Nash County, NC	575.3 GWh	41
#647	Nassau County, FL	1.2 TWh	5
#437	Nassau County, NY	2.6 TWh	24

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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