Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1	Maricopa County, AZ	78.5 TWh	88
#2	Harris County, TX	39.3 TWh	96
#3	Burke County, GA	37.6 TWh	7
#4	York County, PA	35.7 TWh	16
#5	Kern County, CA	34.6 TWh	313
#6	Clark County, NV	30.9 TWh	79
#7	Oswego County, NY	30.2 TWh	33
#8	Limestone County, AL	29.8 TWh	2
#9	Will County, IL	28.4 TWh	40
#10	Salem County, NJ	28.0 TWh	8
#11	Palm Beach County, FL	27.0 TWh	11
#12	Grant County, WA	26.6 TWh	9
#13	Luzerne County, PA	26.4 TWh	10
#14	Monroe County, MI	26.4 TWh	4
#15	Polk County, FL	24.5 TWh	37
#16	St. Charles Parish, LA	22.8 TWh	6
#17	Matagorda County, TX	22.5 TWh	10
#18	Grundy County, IL	22.3 TWh	10
#19	Fort Bend County, TX	22.1 TWh	29
#20	Oconee County, SC	22.0 TWh	4
#21	Miami-Dade County, FL	21.0 TWh	12
#22	Somervell County, TX	20.1 TWh	2
#23	Montgomery County, PA	20.0 TWh	13
#24	Ogle County, IL	19.9 TWh	12
#25	LaSalle County, IL	19.8 TWh	23
#26	San Luis Obispo County, CA	19.8 TWh	22
#27	York County, SC	19.7 TWh	4
#28	St. Lucie County, FL	19.5 TWh	16
#29	Mecklenburg County, NC	19.4 TWh	8
#30	Jefferson County, AL	18.9 TWh	4
#31	Gallia County, OH	18.2 TWh	2
#32	Cobb County, GA	17.7 TWh	5
#33	Rhea County, TN	17.6 TWh	3
#34	Berrien County, MI	17.6 TWh	7
#35	Southeastern Connecticut Planning Region, CT	17.5 TWh	51
#36	Los Angeles County, CA	17.3 TWh	308
#37	Louisa County, VA	17.1 TWh	9
#38	St. Clair County, MI	17.0 TWh	11
#39	Franklin County, MO	16.9 TWh	1
#40	Beaver County, PA	16.8 TWh	12
#41	Rockingham County, NH	16.6 TWh	6
#42	Rock Island County, IL	16.4 TWh	7
#43	Brunswick County, NC	15.8 TWh	6
#44	Pope County, AR	15.7 TWh	2
#45	Citrus County, FL	15.7 TWh	3
#46	Mobile County, AL	15.4 TWh	9
#47	Hillsborough County, FL	15.2 TWh	35
#48	Calvert County, MD	14.8 TWh	2
#49	Riverside County, CA	14.6 TWh	159
#50	Niagara County, NY	14.5 TWh	26
#51	Heard County, GA	14.3 TWh	6
#52	Hamilton County, TN	14.1 TWh	5
#53	Calcasieu Parish, LA	13.8 TWh	12
#54	Surry County, VA	13.8 TWh	6
#55	Appling County, GA	13.8 TWh	2
#56	Ottawa County, MI	13.6 TWh	14
#57	Bexar County, TX	13.6 TWh	35
#58	Queens County, NY	13.5 TWh	22
#59	Contra Costa County, CA	13.5 TWh	56
#60	Northampton County, PA	13.4 TWh	11
#61	Robertson County, TX	13.3 TWh	7
#62	Rusk County, TX	13.2 TWh	3
#63	Okeechobee County, FL	13.1 TWh	10
#64	Houston County, AL	13.0 TWh	2
#65	Ector County, TX	12.9 TWh	20
#66	Jefferson County, KY	12.7 TWh	6
#67	Mercer County, ND	12.7 TWh	6
#68	St. Clair County, IL	12.4 TWh	9
#69	Brazoria County, TX	12.4 TWh	50
#70	Lee County, AL	12.3 TWh	4
#71	Autauga County, AL	12.3 TWh	5
#72	Bartow County, GA	12.2 TWh	3
#73	Iberville Parish, LA	12.2 TWh	9
#74	Chelan County, WA	12.0 TWh	6
#75	San Bernardino County, CA	11.9 TWh	204
#76	Greensville County, VA	11.9 TWh	7
#77	Emery County, UT	11.8 TWh	8
#78	Broward County, FL	11.7 TWh	7
#79	Putnam County, FL	11.6 TWh	10
#80	Berkeley County, SC	11.5 TWh	8
#81	Guernsey County, OH	11.4 TWh	1
#82	Claiborne County, MS	11.4 TWh	1
#83	Rosebud County, MT	11.4 TWh	5
#84	Effingham County, GA	11.2 TWh	7
#85	Jackson County, MS	11.2 TWh	3
#86	Wharton County, TX	11.0 TWh	18
#87	Sherman County, OR	10.9 TWh	12
#88	Union County, NJ	10.8 TWh	21
#89	Harrison County, WV	10.8 TWh	2
#90	Anderson County, SC	10.8 TWh	17
#91	Manitowoc County, WI	10.8 TWh	7
#92	Gibson County, IN	10.7 TWh	3
#93	Weld County, CO	10.7 TWh	60
#94	Umatilla County, OR	10.7 TWh	17
#95	Choctaw County, MS	10.6 TWh	3
#96	Carroll County, KY	10.6 TWh	1
#97	Monongalia County, WV	10.5 TWh	6
#98	Jefferson County, OH	10.4 TWh	5
#99	Middlesex County, NJ	10.4 TWh	71
#100	Union County, AR	10.4 TWh	3

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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