Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#57	Bexar County, TX	13.6 TWh	35
#577	Somerset County, ME	1.6 TWh	36
#1,309	Johnston County, NC	194.7 GWh	36
#229	Pecos County, TX	6.2 TWh	36
#289	Adams County, CO	4.7 TWh	37
#15	Polk County, FL	24.5 TWh	37
#188	Prince George's County, MD	7.1 TWh	37
#1,212	Hampshire County, MA	270.0 GWh	37
#1,018	Onondaga County, NY	456.1 GWh	37
#501	Saratoga County, NY	2.0 TWh	37
#757	Clackamas County, OR	866.0 GWh	37
#180	Norfolk County, MA	7.4 TWh	38
#976	Jefferson County, NY	505.3 GWh	38
#1,125	Oneida County, NY	357.7 GWh	38
#410	Pima County, AZ	2.9 TWh	39
#448	Essex County, MA	2.5 TWh	39
#421	Dakota County, MN	2.8 TWh	39
#394	Solano County, CA	3.1 TWh	40
#614	Twin Falls County, ID	1.4 TWh	40
#9	Will County, IL	28.4 TWh	40
#1,163	Burlington County, NJ	325.8 GWh	41
#915	Monroe County, NY	587.7 GWh	41
#906	Nash County, NC	599.4 GWh	41
#233	Wayne County, NC	6.0 TWh	41
#1,217	Berkshire County, MA	264.1 GWh	44
#1,178	Duplin County, NC	304.3 GWh	45
#176	Shasta County, CA	7.6 TWh	46
#427	Alameda County, CA	2.7 TWh	47
#545	San Joaquin County, CA	1.8 TWh	47
#340	Penobscot County, ME	3.8 TWh	47
#212	Honolulu County, HI	6.6 TWh	48
#1,171	Chisago County, MN	315.1 GWh	48
#968	Stearns County, MN	512.6 GWh	50
#69	Brazoria County, TX	12.4 TWh	50
#35	Southeastern Connecticut Planning Region, CT	17.5 TWh	51
#1,120	Robeson County, NC	361.4 GWh	52
#245	Orange County, NY	5.6 TWh	53
#59	Contra Costa County, CA	13.5 TWh	56
#777	Capitol Planning Region, CT	812.1 GWh	56
#315	Kings County, CA	4.1 TWh	57
#158	Providence County, RI	8.1 TWh	57
#437	Orange County, CA	2.6 TWh	59
#93	Weld County, CO	10.7 TWh	60
#234	Sacramento County, CA	5.9 TWh	65
#121	Suffolk County, NY	9.3 TWh	67
#508	Middlesex County, MA	2.0 TWh	68
#579	Tulare County, CA	1.6 TWh	69
#167	St. Lawrence County, NY	7.9 TWh	69
#732	Bristol County, MA	943.8 GWh	71
#99	Middlesex County, NJ	10.4 TWh	71
#341	Santa Clara County, CA	3.8 TWh	75
#989	Cook County, IL	492.4 GWh	77
#6	Clark County, NV	30.9 TWh	79
#116	Imperial County, CA	9.7 TWh	84
#767	Plymouth County, MA	842.0 GWh	84
#553	Hampden County, MA	1.7 TWh	86
#1	Maricopa County, AZ	78.5 TWh	88
#2	Harris County, TX	39.3 TWh	96
#177	Fresno County, CA	7.6 TWh	119
#290	San Diego County, CA	4.7 TWh	151
#49	Riverside County, CA	14.6 TWh	159
#242	Worcester County, MA	5.7 TWh	190
#75	San Bernardino County, CA	11.9 TWh	204
#36	Los Angeles County, CA	17.3 TWh	308
#5	Kern County, CA	34.6 TWh	313

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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