Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#229	Lowndes County, MS	6.1 TWh	5
#956	Lowndes County, AL	521.7 GWh	1
#1,038	Lowndes County, GA	438.5 GWh	12
#377	Lubbock County, TX	3.3 TWh	8
#203	Lucas County, OH	6.8 TWh	11
#2,024	Lucas County, IA	4.3 GWh	1
#472	Luna County, NM	2.2 TWh	11
#12	Luzerne County, PA	26.9 TWh	10
#241	Lycoming County, PA	5.7 TWh	11
#458	Lynn County, TX	2.4 TWh	5
#639	Lyon County, KS	1.3 TWh	4
#2,181	Lyon County, IA	20.0 MWh	1
#867	Lyon County, KY	657.1 GWh	2
#868	Lyon County, NV	656.8 GWh	6
#1,419	Lyon County, MN	147.4 GWh	17
#1,392	Macomb County, MI	161.8 GWh	4
#1,556	Macon County, MO	84.9 GWh	6
#1,335	Macon County, NC	193.7 GWh	3
#896	Macon County, GA	608.8 GWh	3
#511	Macon County, IL	1.9 TWh	9
#1,334	Macoupin County, IL	194.2 GWh	9
#665	Madera County, CA	1.2 TWh	28
#495	Madison County, OH	2.0 TWh	5
#1,564	Madison County, AL	81.4 GWh	2
#1,370	Madison County, TN	168.4 GWh	4
#1,294	Madison County, NY	219.6 GWh	17
#1,349	Madison County, IN	184.4 GWh	10
#1,075	Madison County, GA	413.3 GWh	2
#952	Madison County, FL	529.4 GWh	4
#1,000	Madison County, IL	481.8 GWh	12
#1,273	Madison County, MS	239.0 GWh	1
#1,263	Madison County, IA	248.7 GWh	2
#2,150	Madison County, AR	127.0 MWh	1
#1,815	Madison County, NE	20.1 GWh	5
#2,105	Madison County, NC	1.8 GWh	3
#2,025	Madison County, MO	4.2 GWh	1
#1,708	Madison County, ID	37.7 GWh	1
#1,589	Madison County, MT	75.6 GWh	1
#893	Mahaska County, IA	613.7 GWh	1
#1,766	Mahoning County, OH	27.4 GWh	3
#730	Major County, OK	952.9 GWh	3
#1,221	Malheur County, OR	286.9 GWh	15
#138	Manatee County, FL	8.9 TWh	13
#996	Manistee County, MI	486.9 GWh	3
#98	Manitowoc County, WI	10.7 TWh	7
#301	Marathon County, WI	4.4 TWh	8
#1,198	Marengo County, AL	303.0 GWh	1
#1	Maricopa County, AZ	78.0 TWh	94
#1,760	Marin County, CA	28.1 GWh	3
#1,215	Marinette County, WI	291.2 GWh	10
#1,510	Marion County, OH	102.2 GWh	4
#1,306	Marion County, IA	211.7 GWh	5
#933	Marion County, WV	565.2 GWh	4
#918	Marion County, TN	577.6 GWh	1
#1,039	Marion County, OR	438.4 GWh	31
#872	Marion County, AR	647.3 GWh	1
#672	Marion County, TX	1.2 TWh	1
#297	Marion County, IN	4.5 TWh	24
#552	Marion County, KS	1.7 TWh	3
#2,183	Marion County, FL	18.0 MWh	1
#1,796	Marion County, SC	22.9 GWh	11
#1,593	Marion County, IL	74.6 GWh	4
#1,239	Mariposa County, CA	272.7 GWh	2
#1,277	Marlboro County, SC	234.5 GWh	3
#910	Marquette County, MI	591.3 GWh	10
#968	Marshall County, AL	509.1 GWh	2
#1,101	Marshall County, IL	395.5 GWh	6
#1,923	Marshall County, MS	10.0 GWh	4
#1,655	Marshall County, IN	53.3 GWh	2
#318	Marshall County, IA	4.1 TWh	7
#661	Marshall County, KS	1.2 TWh	2
#632	Marshall County, KY	1.3 TWh	3
#290	Marshall County, WV	4.6 TWh	4
#142	Martin County, FL	8.7 TWh	6
#977	Martin County, NC	503.1 GWh	18
#1,287	Martin County, KY	224.8 GWh	1
#838	Martin County, MN	697.5 GWh	9
#1,230	Martin County, TX	279.9 GWh	1
#1,770	Martin County, IN	26.7 GWh	2
#200	Mason County, WV	6.8 TWh	3
#143	Mason County, KY	8.7 TWh	2
#628	Mason County, IL	1.3 TWh	6
#890	Mason County, MI	617.8 GWh	4
#1,238	Mason County, WA	273.6 GWh	3
#19	Matagorda County, TX	21.2 TWh	13
#1,384	Matanuska-Susitna Borough, AK	164.6 GWh	2
#687	Maui County, HI	1.1 TWh	21
#113	Mayes County, OK	9.9 TWh	14
#557	McClain County, OK	1.7 TWh	1
#811	McCone County, MT	756.9 GWh	2
#932	McCormick County, SC	566.0 GWh	1
#190	McCracken County, KY	7.1 TWh	4
#663	McCulloch County, TX	1.2 TWh	3
#951	McCurtain County, OK	530.4 GWh	3
#946	McDonough County, IL	537.5 GWh	6
#1,102	McHenry County, ND	395.1 GWh	2
#1,638	McHenry County, IL	58.3 GWh	24
#712	McIntosh County, ND	1.0 TWh	2
#766	McKenzie County, ND	841.7 GWh	2
#649	McKinley County, NM	1.3 TWh	6

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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