Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#65	Ector County, TX	12.9 TWh	20
#64	Houston County, AL	13.0 TWh	2
#63	Okeechobee County, FL	13.1 TWh	10
#62	Rusk County, TX	13.2 TWh	3
#61	Robertson County, TX	13.3 TWh	7
#60	Northampton County, PA	13.4 TWh	11
#59	Contra Costa County, CA	13.5 TWh	56
#58	Queens County, NY	13.5 TWh	22
#57	Bexar County, TX	13.6 TWh	35
#56	Ottawa County, MI	13.6 TWh	14
#55	Appling County, GA	13.8 TWh	2
#54	Surry County, VA	13.8 TWh	6
#53	Calcasieu Parish, LA	13.8 TWh	12
#52	Hamilton County, TN	14.1 TWh	5
#51	Heard County, GA	14.3 TWh	6
#50	Niagara County, NY	14.5 TWh	26
#49	Riverside County, CA	14.6 TWh	159
#48	Calvert County, MD	14.8 TWh	2
#47	Hillsborough County, FL	15.2 TWh	35
#46	Mobile County, AL	15.4 TWh	9
#45	Citrus County, FL	15.7 TWh	3
#44	Pope County, AR	15.7 TWh	2
#43	Brunswick County, NC	15.8 TWh	6
#42	Rock Island County, IL	16.4 TWh	7
#41	Rockingham County, NH	16.6 TWh	6
#40	Beaver County, PA	16.8 TWh	12
#39	Franklin County, MO	16.9 TWh	1
#38	St. Clair County, MI	17.0 TWh	11
#37	Louisa County, VA	17.1 TWh	9
#36	Los Angeles County, CA	17.3 TWh	308
#35	Southeastern Connecticut Planning Region, CT	17.5 TWh	51
#34	Berrien County, MI	17.6 TWh	7
#33	Rhea County, TN	17.6 TWh	3
#32	Cobb County, GA	17.7 TWh	5
#31	Gallia County, OH	18.2 TWh	2
#30	Jefferson County, AL	18.9 TWh	4
#29	Mecklenburg County, NC	19.4 TWh	8
#28	St. Lucie County, FL	19.5 TWh	16
#27	York County, SC	19.7 TWh	4
#26	San Luis Obispo County, CA	19.8 TWh	22
#25	LaSalle County, IL	19.8 TWh	23
#24	Ogle County, IL	19.9 TWh	12
#23	Montgomery County, PA	20.0 TWh	13
#22	Somervell County, TX	20.1 TWh	2
#21	Miami-Dade County, FL	21.0 TWh	12
#20	Oconee County, SC	22.0 TWh	4
#19	Fort Bend County, TX	22.1 TWh	29
#18	Grundy County, IL	22.3 TWh	10
#17	Matagorda County, TX	22.5 TWh	10
#16	St. Charles Parish, LA	22.8 TWh	6
#15	Polk County, FL	24.5 TWh	37
#14	Monroe County, MI	26.4 TWh	4
#13	Luzerne County, PA	26.4 TWh	10
#12	Grant County, WA	26.6 TWh	9
#11	Palm Beach County, FL	27.0 TWh	11
#10	Salem County, NJ	28.0 TWh	8
#9	Will County, IL	28.4 TWh	40
#8	Limestone County, AL	29.8 TWh	2
#7	Oswego County, NY	30.2 TWh	33
#6	Clark County, NV	30.9 TWh	79
#5	Kern County, CA	34.6 TWh	313
#4	York County, PA	35.7 TWh	16
#3	Burke County, GA	37.6 TWh	7
#2	Harris County, TX	39.3 TWh	96
#1	Maricopa County, AZ	78.5 TWh	88

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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