Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1	Maricopa County, AZ	79.4 TWh	83
#2	Harris County, TX	39.1 TWh	90
#3	York County, PA	36.0 TWh	13
#4	Burke County, GA	35.6 TWh	7
#5	Kern County, CA	32.7 TWh	293
#6	Clark County, NV	31.5 TWh	77
#7	Oswego County, NY	29.2 TWh	30
#8	Limestone County, AL	29.1 TWh	2
#9	Luzerne County, PA	28.5 TWh	10
#10	Polk County, FL	27.8 TWh	37
#11	Salem County, NJ	27.8 TWh	8
#12	Palm Beach County, FL	27.7 TWh	11
#13	Will County, IL	27.3 TWh	33
#14	Monroe County, MI	23.9 TWh	4
#15	Grant County, WA	23.7 TWh	8
#16	Grundy County, IL	22.1 TWh	10
#17	St. Charles Parish, LA	21.5 TWh	6
#18	Miami-Dade County, FL	21.3 TWh	12
#19	Los Angeles County, CA	21.1 TWh	290
#20	Oconee County, SC	21.1 TWh	4
#21	LaSalle County, IL	20.6 TWh	17
#22	San Luis Obispo County, CA	20.5 TWh	20
#23	Matagorda County, TX	20.0 TWh	9
#24	Montgomery County, PA	20.0 TWh	13
#25	Mecklenburg County, NC	19.9 TWh	8
#26	Ogle County, IL	19.8 TWh	11
#27	Somervell County, TX	19.7 TWh	1
#28	Fort Bend County, TX	19.3 TWh	26
#29	York County, SC	18.9 TWh	4
#30	Jefferson County, AL	18.9 TWh	4
#31	St. Lucie County, FL	18.6 TWh	14
#32	Berrien County, MI	18.2 TWh	7
#33	Southeastern Connecticut Planning Region, CT	18.0 TWh	50
#34	Rhea County, TN	17.6 TWh	3
#35	Cobb County, GA	17.6 TWh	5
#36	Louisa County, VA	17.5 TWh	9
#37	Mobile County, AL	17.3 TWh	8
#38	Gallia County, OH	17.2 TWh	2
#39	St. Clair County, MI	16.9 TWh	11
#40	Beaver County, PA	16.0 TWh	12
#41	Rock Island County, IL	16.0 TWh	7
#42	Citrus County, FL	15.7 TWh	3
#43	Brunswick County, NC	15.5 TWh	6
#44	Niagara County, NY	15.2 TWh	21
#45	Ottawa County, MI	15.2 TWh	14
#46	Pope County, AR	15.1 TWh	2
#47	Queens County, NY	15.0 TWh	21
#48	Franklin County, MO	14.8 TWh	1
#49	Houston County, AL	14.7 TWh	2
#50	Calvert County, MD	14.7 TWh	2
#51	Heard County, GA	14.3 TWh	6
#52	Rockingham County, NH	14.2 TWh	6
#53	Appling County, GA	14.1 TWh	2
#54	Riverside County, CA	14.0 TWh	158
#55	Robertson County, TX	13.8 TWh	6
#56	Bexar County, TX	13.5 TWh	30
#57	Surry County, VA	13.4 TWh	6
#58	Hillsborough County, FL	13.4 TWh	33
#59	Contra Costa County, CA	13.3 TWh	50
#60	San Bernardino County, CA	13.3 TWh	196
#61	Broward County, FL	13.2 TWh	7
#62	Northampton County, PA	13.2 TWh	11
#63	Douglas County, WA	13.1 TWh	2
#64	Lee County, AL	12.5 TWh	4
#65	Mercer County, ND	12.5 TWh	6
#66	Calcasieu Parish, LA	12.4 TWh	12
#67	Brazoria County, TX	12.4 TWh	42
#68	Umatilla County, OR	12.3 TWh	17
#69	Choctaw County, MS	11.9 TWh	3
#70	Greensville County, VA	11.9 TWh	7
#71	Berkeley County, SC	11.9 TWh	8
#72	Okeechobee County, FL	11.7 TWh	8
#73	Washington County, OH	11.6 TWh	7
#74	Putnam County, FL	11.5 TWh	10
#75	Guernsey County, OH	11.5 TWh	1
#76	Guadalupe County, TX	11.5 TWh	10
#77	Claiborne County, MS	11.5 TWh	1
#78	Iberville Parish, LA	11.4 TWh	9
#79	Ector County, TX	11.4 TWh	14
#80	Jefferson County, KY	11.3 TWh	6
#81	Hamilton County, TN	11.3 TWh	5
#82	St. Clair County, IL	11.3 TWh	6
#83	Rosebud County, MT	11.2 TWh	5
#84	Harrison County, WV	11.2 TWh	2
#85	Carroll County, KY	11.2 TWh	1
#86	Bartow County, GA	11.2 TWh	3
#87	Delaware County, PA	11.1 TWh	7
#88	Milwaukee County, WI	11.0 TWh	11
#89	Autauga County, AL	11.0 TWh	5
#90	Gibson County, IN	10.9 TWh	2
#91	Rusk County, TX	10.7 TWh	3
#92	Weld County, CO	10.7 TWh	52
#93	Wharton County, TX	10.7 TWh	17
#94	Callaway County, MO	10.6 TWh	2
#95	Richmond County, NC	10.6 TWh	17
#96	Manitowoc County, WI	10.5 TWh	7
#97	Midland County, MI	10.3 TWh	2
#98	Kaufman County, TX	10.3 TWh	3
#99	Union County, NJ	10.3 TWh	20
#100	Imperial County, CA	10.3 TWh	83

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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