Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#19	Los Angeles County, CA	21.0 TWh	290
#18	Oconee County, SC	21.1 TWh	4
#17	Miami-Dade County, FL	21.7 TWh	12
#16	Grundy County, IL	22.3 TWh	10
#15	Monroe County, MI	22.8 TWh	4
#14	Grant County, WA	24.5 TWh	8
#13	Salem County, NJ	27.7 TWh	8
#12	Polk County, FL	27.8 TWh	37
#11	Palm Beach County, FL	28.1 TWh	11
#10	Will County, IL	28.2 TWh	33
#9	Luzerne County, PA	28.3 TWh	10
#8	Oswego County, NY	28.8 TWh	30
#7	Limestone County, AL	29.3 TWh	2
#6	Clark County, NV	31.3 TWh	77
#5	Kern County, CA	33.0 TWh	293
#4	Burke County, GA	36.0 TWh	7
#3	York County, PA	36.0 TWh	13
#2	Harris County, TX	39.5 TWh	90
#1	Maricopa County, AZ	79.9 TWh	83

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

Totals are based on the most recent 12 months net generation

List of All U.S. Counties