Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1	Maricopa County, AZ	78.4 TWh	97
#2	Burke County, GA	37.4 TWh	8
#3	Harris County, TX	37.2 TWh	108
#4	York County, PA	35.5 TWh	16
#5	Kern County, CA	34.9 TWh	333
#6	Clark County, NV	31.5 TWh	83
#7	Limestone County, AL	31.0 TWh	2
#8	Oswego County, NY	30.2 TWh	36
#9	Grant County, WA	30.1 TWh	10
#10	Salem County, NJ	28.1 TWh	10
#11	Will County, IL	27.2 TWh	47
#12	Palm Beach County, FL	27.2 TWh	11
#13	Luzerne County, PA	27.0 TWh	11
#14	St. Charles Parish, LA	23.1 TWh	8
#15	Polk County, FL	23.0 TWh	40
#16	Monroe County, MI	22.9 TWh	5
#17	Grundy County, IL	22.2 TWh	15
#18	Oconee County, SC	21.4 TWh	4
#19	Matagorda County, TX	21.2 TWh	13
#20	Fort Bend County, TX	20.9 TWh	30
#21	Rhea County, TN	20.7 TWh	3
#22	San Luis Obispo County, CA	20.4 TWh	22
#23	Miami-Dade County, FL	20.2 TWh	12
#24	Somervell County, TX	20.0 TWh	2
#25	Montgomery County, PA	19.8 TWh	13
#26	Ogle County, IL	19.7 TWh	13
#27	LaSalle County, IL	19.5 TWh	28
#28	Mecklenburg County, NC	19.0 TWh	8
#29	Jefferson County, AL	18.9 TWh	4
#30	Cobb County, GA	18.6 TWh	6
#31	Berrien County, MI	18.6 TWh	7
#32	York County, SC	18.4 TWh	4
#33	Louisa County, VA	18.1 TWh	9
#34	St. Lucie County, FL	18.0 TWh	16
#35	Hamilton County, TN	18.0 TWh	5
#36	Southeastern Connecticut Planning Region, CT	17.8 TWh	53
#37	Gallia County, OH	17.6 TWh	2
#38	Los Angeles County, CA	17.0 TWh	325
#39	Beaver County, PA	16.4 TWh	12
#40	Rock Island County, IL	16.4 TWh	7
#41	Mobile County, AL	16.2 TWh	9
#42	Hillsborough County, FL	16.0 TWh	37
#43	Rockingham County, NH	16.0 TWh	6
#44	Citrus County, FL	15.9 TWh	4
#45	Brunswick County, NC	15.3 TWh	6
#46	Franklin County, MO	15.2 TWh	1
#47	Houston County, AL	15.1 TWh	2
#48	Niagara County, NY	15.0 TWh	27
#49	Heard County, GA	15.0 TWh	6
#50	Calvert County, MD	14.9 TWh	3
#51	Pope County, AR	14.6 TWh	2
#52	Rusk County, TX	14.6 TWh	3
#53	Queens County, NY	14.4 TWh	27
#54	Calcasieu Parish, LA	14.4 TWh	13
#55	Robertson County, TX	14.2 TWh	9
#56	Appling County, GA	14.1 TWh	2
#57	Brazoria County, TX	14.1 TWh	55
#58	Ector County, TX	14.0 TWh	23
#59	Northampton County, PA	14.0 TWh	11
#60	Riverside County, CA	14.0 TWh	165
#61	Iberville Parish, LA	13.9 TWh	10
#62	Chelan County, WA	13.8 TWh	6
#63	Mercer County, ND	13.7 TWh	6
#64	St. Clair County, MI	13.7 TWh	11
#65	Wharton County, TX	13.3 TWh	21
#66	Bartow County, GA	12.9 TWh	3
#67	Bexar County, TX	12.8 TWh	38
#68	Surry County, VA	12.8 TWh	6
#69	Broward County, FL	12.8 TWh	7
#70	Jefferson County, KY	12.8 TWh	6
#71	Union County, AR	12.7 TWh	3
#72	Autauga County, AL	12.7 TWh	5
#73	Lee County, AL	12.5 TWh	4
#74	Contra Costa County, CA	12.5 TWh	59
#75	St. Clair County, IL	12.2 TWh	17
#76	Guernsey County, OH	12.2 TWh	1
#77	Washington County, OH	12.1 TWh	8
#78	Emery County, UT	12.1 TWh	8
#79	Okeechobee County, FL	12.0 TWh	10
#80	Ottawa County, MI	12.0 TWh	14
#81	Douglas County, WA	11.9 TWh	1
#82	San Bernardino County, CA	11.7 TWh	212
#83	Greensville County, VA	11.6 TWh	7
#84	Jackson County, MS	11.5 TWh	3
#85	Umatilla County, OR	11.4 TWh	21
#86	Effingham County, GA	11.3 TWh	7
#87	Putnam County, FL	11.3 TWh	10
#88	Weld County, CO	11.2 TWh	71
#89	Kaufman County, TX	11.1 TWh	5
#90	Harrison County, WV	11.1 TWh	2
#91	Anderson County, SC	11.0 TWh	17
#92	Sherman County, OR	10.9 TWh	12
#93	Lake County, OH	10.9 TWh	3
#94	Gibson County, IN	10.9 TWh	3
#95	Berkeley County, SC	10.7 TWh	9
#96	Choctaw County, MS	10.7 TWh	3
#97	Delaware County, PA	10.7 TWh	7
#98	Manitowoc County, WI	10.7 TWh	7
#99	Bell County, TX	10.5 TWh	20
#100	Lamar County, TX	10.5 TWh	14

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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