Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1	Maricopa County, AZ	79.1 TWh	88
#2	Harris County, TX	39.4 TWh	96
#3	Burke County, GA	37.6 TWh	7
#4	York County, PA	35.7 TWh	16
#5	Kern County, CA	34.8 TWh	313
#6	Clark County, NV	30.9 TWh	79
#7	Oswego County, NY	30.0 TWh	33
#8	Limestone County, AL	29.7 TWh	2
#9	Will County, IL	28.4 TWh	40
#10	Salem County, NJ	27.9 TWh	8
#11	Palm Beach County, FL	27.2 TWh	11
#12	Monroe County, MI	26.4 TWh	4
#13	Luzerne County, PA	26.3 TWh	10
#14	Grant County, WA	25.3 TWh	9
#15	Polk County, FL	25.3 TWh	37
#16	St. Charles Parish, LA	22.9 TWh	6
#17	Matagorda County, TX	22.4 TWh	10
#18	Grundy County, IL	22.3 TWh	10
#19	Fort Bend County, TX	22.1 TWh	29
#20	Oconee County, SC	21.9 TWh	4
#21	Miami-Dade County, FL	21.0 TWh	12
#22	Montgomery County, PA	20.0 TWh	13
#23	Ogle County, IL	19.9 TWh	12
#24	LaSalle County, IL	19.9 TWh	23
#25	Somervell County, TX	19.8 TWh	2
#26	San Luis Obispo County, CA	19.8 TWh	22
#27	York County, SC	19.6 TWh	4
#28	St. Lucie County, FL	19.6 TWh	16
#29	Mecklenburg County, NC	19.5 TWh	8
#30	Jefferson County, AL	19.0 TWh	4
#31	Gallia County, OH	18.3 TWh	2
#32	Berrien County, MI	17.7 TWh	7
#33	Los Angeles County, CA	17.6 TWh	308
#34	Southeastern Connecticut Planning Region, CT	17.5 TWh	51
#35	Cobb County, GA	17.5 TWh	5
#36	Rhea County, TN	17.2 TWh	3
#37	Louisa County, VA	17.1 TWh	9
#38	St. Clair County, MI	16.9 TWh	11
#39	Beaver County, PA	16.8 TWh	12
#40	Franklin County, MO	16.7 TWh	1
#41	Rockingham County, NH	16.4 TWh	6
#42	Rock Island County, IL	16.3 TWh	7
#43	Mobile County, AL	15.7 TWh	9
#44	Brunswick County, NC	15.7 TWh	6
#45	Pope County, AR	15.7 TWh	2
#46	Citrus County, FL	15.5 TWh	3
#47	Riverside County, CA	14.8 TWh	159
#48	Hillsborough County, FL	14.8 TWh	35
#49	Calvert County, MD	14.8 TWh	2
#50	Niagara County, NY	14.6 TWh	26
#51	Heard County, GA	14.3 TWh	6
#52	Appling County, GA	14.1 TWh	2
#53	Contra Costa County, CA	13.9 TWh	56
#54	Ottawa County, MI	13.9 TWh	14
#55	Surry County, VA	13.8 TWh	6
#56	Calcasieu Parish, LA	13.8 TWh	12
#57	Bexar County, TX	13.6 TWh	35
#58	Queens County, NY	13.4 TWh	22
#59	Robertson County, TX	13.3 TWh	7
#60	Rusk County, TX	13.2 TWh	3
#61	Hamilton County, TN	13.2 TWh	5
#62	Northampton County, PA	13.2 TWh	11
#63	Okeechobee County, FL	13.1 TWh	10
#64	Houston County, AL	13.0 TWh	2
#65	Ector County, TX	12.8 TWh	20
#66	Jefferson County, KY	12.6 TWh	6
#67	Mercer County, ND	12.5 TWh	6
#68	Lee County, AL	12.5 TWh	4
#69	Brazoria County, TX	12.4 TWh	49
#70	Bartow County, GA	12.4 TWh	3
#71	St. Clair County, IL	12.2 TWh	9
#72	San Bernardino County, CA	12.2 TWh	204
#73	Autauga County, AL	12.1 TWh	5
#74	Greensville County, VA	11.9 TWh	7
#75	Emery County, UT	11.8 TWh	8
#76	Iberville Parish, LA	11.8 TWh	9
#77	Berkeley County, SC	11.7 TWh	8
#78	Putnam County, FL	11.6 TWh	10
#79	Rosebud County, MT	11.6 TWh	5
#80	Chelan County, WA	11.5 TWh	6
#81	Claiborne County, MS	11.5 TWh	1
#82	Broward County, FL	11.4 TWh	7
#83	Guernsey County, OH	11.3 TWh	1
#84	Effingham County, GA	11.3 TWh	7
#85	Jackson County, MS	11.2 TWh	3
#86	Choctaw County, MS	11.1 TWh	3
#87	Wharton County, TX	10.9 TWh	18
#88	Anderson County, SC	10.8 TWh	17
#89	Jefferson County, OH	10.8 TWh	5
#90	Monongalia County, WV	10.8 TWh	6
#91	Manitowoc County, WI	10.8 TWh	7
#92	Gibson County, IN	10.8 TWh	3
#93	Union County, NJ	10.8 TWh	21
#94	Carroll County, KY	10.8 TWh	1
#95	Harrison County, WV	10.8 TWh	2
#96	Weld County, CO	10.8 TWh	60
#97	Umatilla County, OR	10.7 TWh	17
#98	Sherman County, OR	10.5 TWh	12
#99	Delaware County, PA	10.3 TWh	7
#100	Cleveland County, NC	10.3 TWh	34

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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