Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1	Maricopa County, AZ	80.4 TWh	88
#2	Harris County, TX	39.5 TWh	96
#3	Burke County, GA	36.4 TWh	7
#4	York County, PA	35.5 TWh	16
#5	Kern County, CA	34.9 TWh	313
#6	Clark County, NV	30.9 TWh	79
#7	Oswego County, NY	29.7 TWh	33
#8	Limestone County, AL	29.7 TWh	2
#9	Will County, IL	28.5 TWh	40
#10	Salem County, NJ	27.3 TWh	8
#11	Luzerne County, PA	26.6 TWh	10
#12	Palm Beach County, FL	26.3 TWh	11
#13	Polk County, FL	26.2 TWh	37
#14	Monroe County, MI	25.7 TWh	4
#15	Grant County, WA	25.2 TWh	9
#16	Matagorda County, TX	22.3 TWh	10
#17	Oconee County, SC	22.1 TWh	4
#18	Grundy County, IL	22.1 TWh	10
#19	St. Charles Parish, LA	22.0 TWh	6
#20	Fort Bend County, TX	21.6 TWh	29
#21	Miami-Dade County, FL	20.6 TWh	12
#22	LaSalle County, IL	20.5 TWh	23
#23	San Luis Obispo County, CA	20.0 TWh	22
#24	Ogle County, IL	20.0 TWh	12
#25	Montgomery County, PA	19.9 TWh	13
#26	Mecklenburg County, NC	19.7 TWh	8
#27	York County, SC	19.5 TWh	4
#28	St. Lucie County, FL	19.4 TWh	16
#29	Somervell County, TX	19.3 TWh	2
#30	Jefferson County, AL	19.0 TWh	4
#31	Gallia County, OH	18.1 TWh	2
#32	Los Angeles County, CA	18.1 TWh	308
#33	St. Clair County, MI	17.8 TWh	11
#34	Berrien County, MI	17.7 TWh	7
#35	Southeastern Connecticut Planning Region, CT	17.3 TWh	51
#36	Louisa County, VA	17.1 TWh	9
#37	Beaver County, PA	16.9 TWh	12
#38	Cobb County, GA	16.9 TWh	5
#39	Rock Island County, IL	16.3 TWh	7
#40	Rhea County, TN	16.0 TWh	3
#41	Pope County, AR	15.9 TWh	2
#42	Mobile County, AL	15.8 TWh	9
#43	Brunswick County, NC	15.8 TWh	6
#44	Franklin County, MO	15.6 TWh	1
#45	Rockingham County, NH	15.1 TWh	6
#46	Citrus County, FL	15.1 TWh	3
#47	Riverside County, CA	14.8 TWh	159
#48	Calvert County, MD	14.8 TWh	2
#49	Niagara County, NY	14.7 TWh	26
#50	Ottawa County, MI	14.5 TWh	14
#51	Bexar County, TX	14.4 TWh	35
#52	Heard County, GA	14.4 TWh	6
#53	Surry County, VA	14.3 TWh	6
#54	Hillsborough County, FL	14.2 TWh	34
#55	Appling County, GA	14.1 TWh	2
#56	Queens County, NY	13.8 TWh	22
#57	Robertson County, TX	13.3 TWh	7
#58	Northampton County, PA	13.3 TWh	11
#59	Calcasieu Parish, LA	13.2 TWh	12
#60	Contra Costa County, CA	13.2 TWh	56
#61	Houston County, AL	13.0 TWh	2
#62	Hamilton County, TN	12.8 TWh	5
#63	Lee County, AL	12.8 TWh	4
#64	Okeechobee County, FL	12.8 TWh	10
#65	San Bernardino County, CA	12.6 TWh	204
#66	Rusk County, TX	12.6 TWh	3
#67	Broward County, FL	12.5 TWh	7
#68	Mercer County, ND	12.5 TWh	6
#69	Ector County, TX	12.4 TWh	20
#70	Jefferson County, KY	12.4 TWh	6
#71	Brazoria County, TX	12.3 TWh	49
#72	Berkeley County, SC	11.9 TWh	8
#73	Rosebud County, MT	11.9 TWh	5
#74	Choctaw County, MS	11.9 TWh	3
#75	Emery County, UT	11.7 TWh	8
#76	Iberville Parish, LA	11.7 TWh	9
#77	Bartow County, GA	11.6 TWh	3
#78	Effingham County, GA	11.5 TWh	7
#79	Greensville County, VA	11.4 TWh	7
#80	Putnam County, FL	11.4 TWh	10
#81	Guernsey County, OH	11.4 TWh	1
#82	Chelan County, WA	11.3 TWh	6
#83	Autauga County, AL	11.3 TWh	5
#84	Claiborne County, MS	11.3 TWh	1
#85	Jackson County, MS	11.2 TWh	3
#86	Umatilla County, OR	11.0 TWh	17
#87	Union County, NJ	10.9 TWh	21
#88	Wharton County, TX	10.8 TWh	18
#89	Carroll County, KY	10.8 TWh	1
#90	St. Clair County, IL	10.8 TWh	9
#91	Manitowoc County, WI	10.8 TWh	7
#92	Anderson County, SC	10.8 TWh	17
#93	Gibson County, IN	10.6 TWh	3
#94	Coffey County, KS	10.5 TWh	5
#95	Delaware County, PA	10.5 TWh	7
#96	Brunswick County, VA	10.4 TWh	5
#97	Weld County, CO	10.4 TWh	60
#98	Guadalupe County, TX	10.3 TWh	10
#99	Monongalia County, WV	10.3 TWh	6
#100	Jefferson County, OH	10.3 TWh	5

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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