Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,221	Erie County, NY	260.5 GWh	35
#57	Bexar County, TX	13.6 TWh	35
#578	Somerset County, ME	1.6 TWh	36
#1,307	Johnston County, NC	194.7 GWh	36
#229	Pecos County, TX	6.2 TWh	36
#294	Adams County, CO	4.7 TWh	37
#15	Polk County, FL	25.3 TWh	37
#194	Prince George's County, MD	6.9 TWh	37
#1,214	Hampshire County, MA	270.0 GWh	37
#1,014	Onondaga County, NY	459.1 GWh	37
#501	Saratoga County, NY	2.0 TWh	37
#756	Clackamas County, OR	866.0 GWh	37
#182	Norfolk County, MA	7.3 TWh	38
#971	Jefferson County, NY	505.3 GWh	38
#1,123	Oneida County, NY	357.7 GWh	38
#404	Pima County, AZ	3.0 TWh	39
#445	Essex County, MA	2.6 TWh	39
#424	Dakota County, MN	2.8 TWh	39
#395	Solano County, CA	3.1 TWh	40
#614	Twin Falls County, ID	1.4 TWh	40
#9	Will County, IL	28.4 TWh	40
#1,164	Burlington County, NJ	326.1 GWh	41
#916	Monroe County, NY	587.1 GWh	41
#907	Nash County, NC	594.5 GWh	41
#234	Wayne County, NC	6.0 TWh	41
#1,215	Berkshire County, MA	269.9 GWh	44
#1,176	Duplin County, NC	304.3 GWh	45
#176	Shasta County, CA	7.6 TWh	46
#442	Alameda County, CA	2.6 TWh	47
#514	San Joaquin County, CA	1.9 TWh	47
#342	Penobscot County, ME	3.8 TWh	47
#212	Honolulu County, HI	6.6 TWh	48
#1,167	Chisago County, MN	316.5 GWh	48
#69	Brazoria County, TX	12.4 TWh	49
#963	Stearns County, MN	516.6 GWh	50
#34	Southeastern Connecticut Planning Region, CT	17.5 TWh	51
#1,120	Robeson County, NC	361.8 GWh	52
#245	Orange County, NY	5.6 TWh	53
#53	Contra Costa County, CA	13.9 TWh	56
#784	Capitol Planning Region, CT	796.8 GWh	56
#310	Kings County, CA	4.2 TWh	57
#166	Providence County, RI	8.0 TWh	57
#430	Orange County, CA	2.7 TWh	59
#96	Weld County, CO	10.8 TWh	60
#235	Sacramento County, CA	6.0 TWh	65
#130	Suffolk County, NY	9.1 TWh	67
#345	Middlesex County, MA	3.7 TWh	68
#585	Tulare County, CA	1.5 TWh	69
#168	St. Lawrence County, NY	8.0 TWh	69
#731	Bristol County, MA	947.8 GWh	71
#102	Middlesex County, NJ	10.3 TWh	71
#331	Santa Clara County, CA	3.9 TWh	75
#984	Cook County, IL	491.6 GWh	77
#6	Clark County, NV	30.9 TWh	79
#115	Imperial County, CA	9.7 TWh	84
#766	Plymouth County, MA	842.6 GWh	84
#561	Hampden County, MA	1.7 TWh	86
#1	Maricopa County, AZ	79.1 TWh	88
#2	Harris County, TX	39.4 TWh	96
#178	Fresno County, CA	7.6 TWh	119
#275	San Diego County, CA	4.9 TWh	151
#47	Riverside County, CA	14.8 TWh	159
#244	Worcester County, MA	5.6 TWh	190
#72	San Bernardino County, CA	12.2 TWh	204
#33	Los Angeles County, CA	17.7 TWh	308
#5	Kern County, CA	34.8 TWh	313

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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