Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1	Maricopa County, AZ	80.5 TWh	88
#2	Harris County, TX	39.5 TWh	96
#3	York County, PA	36.1 TWh	16
#4	Burke County, GA	35.5 TWh	7
#5	Kern County, CA	34.8 TWh	313
#6	Clark County, NV	31.4 TWh	79
#7	Oswego County, NY	29.5 TWh	33
#8	Will County, IL	28.8 TWh	40
#9	Limestone County, AL	28.5 TWh	2
#10	Salem County, NJ	27.6 TWh	8
#11	Polk County, FL	27.2 TWh	37
#12	Palm Beach County, FL	27.0 TWh	11
#13	Luzerne County, PA	26.9 TWh	10
#14	Monroe County, MI	25.4 TWh	4
#15	Grant County, WA	24.9 TWh	9
#16	Grundy County, IL	22.3 TWh	10
#17	Matagorda County, TX	22.2 TWh	10
#18	Oconee County, SC	22.1 TWh	4
#19	St. Charles Parish, LA	21.5 TWh	6
#20	Fort Bend County, TX	21.2 TWh	29
#21	San Luis Obispo County, CA	20.6 TWh	22
#22	LaSalle County, IL	20.5 TWh	23
#23	Miami-Dade County, FL	20.3 TWh	12
#24	Montgomery County, PA	19.9 TWh	13
#25	York County, SC	19.4 TWh	4
#26	Mecklenburg County, NC	19.4 TWh	8
#27	Los Angeles County, CA	19.3 TWh	308
#28	St. Lucie County, FL	19.2 TWh	16
#29	Ogle County, IL	19.2 TWh	12
#30	Somervell County, TX	19.1 TWh	2
#31	Jefferson County, AL	18.9 TWh	4
#32	Berrien County, MI	18.7 TWh	7
#33	Gallia County, OH	18.3 TWh	2
#34	Louisa County, VA	18.2 TWh	9
#35	St. Clair County, MI	17.4 TWh	11
#36	Beaver County, PA	17.0 TWh	12
#37	Southeastern Connecticut Planning Region, CT	16.7 TWh	51
#38	Mobile County, AL	16.5 TWh	9
#39	Cobb County, GA	16.4 TWh	5
#40	Rock Island County, IL	16.3 TWh	7
#41	Rhea County, TN	16.0 TWh	3
#42	Pope County, AR	15.7 TWh	2
#43	Brunswick County, NC	15.5 TWh	6
#44	Franklin County, MO	15.4 TWh	1
#45	Citrus County, FL	15.2 TWh	3
#46	Niagara County, NY	15.0 TWh	26
#47	Ottawa County, MI	15.0 TWh	14
#48	Calvert County, MD	14.7 TWh	2
#49	Heard County, GA	14.7 TWh	6
#50	Riverside County, CA	14.7 TWh	159
#51	Rockingham County, NH	14.6 TWh	6
#52	Surry County, VA	14.6 TWh	6
#53	Queens County, NY	14.1 TWh	22
#54	Appling County, GA	14.0 TWh	2
#55	Bexar County, TX	14.0 TWh	35
#56	Houston County, AL	13.8 TWh	2
#57	Calcasieu Parish, LA	13.6 TWh	12
#58	Robertson County, TX	13.5 TWh	7
#59	Northampton County, PA	13.3 TWh	11
#60	Broward County, FL	13.2 TWh	7
#61	Hillsborough County, FL	13.1 TWh	34
#62	San Bernardino County, CA	12.8 TWh	204
#63	Contra Costa County, CA	12.8 TWh	56
#64	Lee County, AL	12.8 TWh	4
#65	Okeechobee County, FL	12.7 TWh	10
#66	Ector County, TX	12.5 TWh	20
#67	Brazoria County, TX	12.2 TWh	49
#68	Jefferson County, KY	12.2 TWh	6
#69	Rusk County, TX	12.1 TWh	3
#70	Mercer County, ND	12.0 TWh	6
#71	Rosebud County, MT	11.9 TWh	5
#72	Berkeley County, SC	11.8 TWh	8
#73	Greensville County, VA	11.8 TWh	7
#74	Choctaw County, MS	11.6 TWh	3
#75	Guernsey County, OH	11.4 TWh	1
#76	Claiborne County, MS	11.4 TWh	1
#77	Coffey County, KS	11.4 TWh	5
#78	Bartow County, GA	11.4 TWh	3
#79	Umatilla County, OR	11.4 TWh	17
#80	St. Clair County, IL	11.3 TWh	9
#81	Chelan County, WA	11.3 TWh	6
#82	Hamilton County, TN	11.2 TWh	5
#83	Putnam County, FL	11.2 TWh	10
#84	Iberville Parish, LA	11.2 TWh	9
#85	Carroll County, KY	11.1 TWh	1
#86	Effingham County, GA	11.0 TWh	7
#87	Union County, NJ	11.0 TWh	21
#88	Emery County, UT	11.0 TWh	8
#89	Autauga County, AL	10.8 TWh	5
#90	Guadalupe County, TX	10.8 TWh	10
#91	Delaware County, PA	10.8 TWh	7
#92	Wharton County, TX	10.7 TWh	18
#93	Anderson County, SC	10.7 TWh	17
#94	Richmond County, NC	10.6 TWh	17
#95	Jackson County, MS	10.5 TWh	3
#96	Manitowoc County, WI	10.4 TWh	7
#97	Milwaukee County, WI	10.4 TWh	11
#98	Weld County, CO	10.3 TWh	60
#99	Harrison County, WV	10.2 TWh	2
#100	Mayes County, OK	10.2 TWh	13

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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