Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#64	San Bernardino County, CA	12.8 TWh	204
#63	Lee County, AL	12.9 TWh	4
#62	Broward County, FL	13.0 TWh	7
#61	Contra Costa County, CA	13.2 TWh	56
#60	Robertson County, TX	13.2 TWh	7
#59	Calcasieu Parish, LA	13.3 TWh	12
#58	Northampton County, PA	13.3 TWh	11
#57	Hillsborough County, FL	13.4 TWh	34
#56	Houston County, AL	13.7 TWh	2
#55	Queens County, NY	14.0 TWh	22
#54	Appling County, GA	14.0 TWh	2
#53	Bexar County, TX	14.0 TWh	35
#52	Heard County, GA	14.3 TWh	6
#51	Ottawa County, MI	14.5 TWh	14
#50	Rockingham County, NH	14.5 TWh	6
#49	Surry County, VA	14.6 TWh	6
#48	Riverside County, CA	14.7 TWh	159
#47	Calvert County, MD	14.7 TWh	2
#46	Niagara County, NY	15.0 TWh	26
#45	Citrus County, FL	15.2 TWh	3
#44	Brunswick County, NC	15.4 TWh	6
#43	Franklin County, MO	15.5 TWh	1
#42	Pope County, AR	15.7 TWh	2
#41	Rhea County, TN	16.0 TWh	3
#40	Mobile County, AL	16.1 TWh	9
#39	Rock Island County, IL	16.4 TWh	7
#38	Cobb County, GA	16.7 TWh	5
#37	Beaver County, PA	17.0 TWh	12
#36	Southeastern Connecticut Planning Region, CT	17.1 TWh	51
#35	St. Clair County, MI	17.6 TWh	11
#34	Louisa County, VA	17.6 TWh	9
#33	Berrien County, MI	18.4 TWh	7
#32	York County, SC	18.8 TWh	4
#31	Gallia County, OH	18.8 TWh	2
#30	Los Angeles County, CA	18.9 TWh	308
#29	Jefferson County, AL	18.9 TWh	4
#28	Somervell County, TX	18.9 TWh	2
#27	St. Lucie County, FL	19.6 TWh	16
#26	Ogle County, IL	19.8 TWh	12
#25	Montgomery County, PA	19.9 TWh	13
#24	Mecklenburg County, NC	20.0 TWh	8
#23	Miami-Dade County, FL	20.1 TWh	12
#22	LaSalle County, IL	20.5 TWh	23
#21	San Luis Obispo County, CA	20.7 TWh	22
#20	St. Charles Parish, LA	21.6 TWh	6
#19	Fort Bend County, TX	21.6 TWh	29
#18	Oconee County, SC	22.1 TWh	4
#17	Grundy County, IL	22.1 TWh	10
#16	Matagorda County, TX	22.2 TWh	10
#15	Grant County, WA	25.0 TWh	9
#14	Monroe County, MI	25.7 TWh	4
#13	Palm Beach County, FL	26.5 TWh	11
#12	Polk County, FL	26.6 TWh	37
#11	Luzerne County, PA	27.0 TWh	10
#10	Salem County, NJ	27.4 TWh	8
#9	Will County, IL	28.8 TWh	40
#8	Limestone County, AL	29.3 TWh	2
#7	Oswego County, NY	29.8 TWh	33
#6	Clark County, NV	31.3 TWh	79
#5	Kern County, CA	34.9 TWh	313
#4	Burke County, GA	35.9 TWh	7
#3	York County, PA	36.0 TWh	16
#2	Harris County, TX	39.6 TWh	96
#1	Maricopa County, AZ	81.0 TWh	88

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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