Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#48	Hillsborough County, FL	15.2 TWh	35
#1,226	Erie County, NY	260.5 GWh	35
#58	Bexar County, TX	13.5 TWh	35
#574	Somerset County, ME	1.6 TWh	36
#1,319	Johnston County, NC	194.7 GWh	36
#227	Pecos County, TX	6.2 TWh	36
#287	Adams County, CO	4.6 TWh	37
#15	Polk County, FL	24.0 TWh	37
#174	Prince George's County, MD	7.6 TWh	37
#1,220	Hampshire County, MA	270.0 GWh	37
#1,028	Onondaga County, NY	448.9 GWh	37
#502	Saratoga County, NY	2.0 TWh	37
#758	Clackamas County, OR	866.0 GWh	37
#976	Jefferson County, NY	505.3 GWh	38
#1,129	Oneida County, NY	357.7 GWh	38
#404	Pima County, AZ	3.0 TWh	39
#451	Essex County, MA	2.5 TWh	39
#192	Norfolk County, MA	7.0 TWh	39
#422	Dakota County, MN	2.8 TWh	39
#396	Solano County, CA	3.1 TWh	40
#615	Twin Falls County, ID	1.4 TWh	40
#11	Will County, IL	27.5 TWh	40
#1,166	Burlington County, NJ	325.5 GWh	41
#921	Monroe County, NY	589.5 GWh	41
#900	Nash County, NC	612.4 GWh	41
#232	Wayne County, NC	6.1 TWh	41
#1,249	Berkshire County, MA	246.9 GWh	44
#1,184	Duplin County, NC	304.3 GWh	45
#185	Shasta County, CA	7.3 TWh	46
#430	Alameda County, CA	2.7 TWh	47
#587	San Joaquin County, CA	1.6 TWh	47
#342	Penobscot County, ME	3.8 TWh	47
#213	Honolulu County, HI	6.6 TWh	48
#1,175	Chisago County, MN	315.3 GWh	48
#972	Stearns County, MN	511.1 GWh	50
#73	Brazoria County, TX	12.4 TWh	50
#36	Southeastern Connecticut Planning Region, CT	17.5 TWh	51
#1,123	Robeson County, NC	362.0 GWh	52
#245	Orange County, NY	5.6 TWh	53
#61	Contra Costa County, CA	13.3 TWh	56
#776	Capitol Planning Region, CT	814.6 GWh	56
#315	Kings County, CA	4.2 TWh	57
#149	Providence County, RI	8.3 TWh	57
#441	Orange County, CA	2.6 TWh	59
#89	Weld County, CO	10.9 TWh	60
#243	Sacramento County, CA	5.7 TWh	65
#123	Suffolk County, NY	9.4 TWh	67
#516	Middlesex County, MA	1.9 TWh	68
#588	Tulare County, CA	1.6 TWh	69
#164	St. Lawrence County, NY	7.9 TWh	69
#731	Bristol County, MA	943.8 GWh	71
#93	Middlesex County, NJ	10.8 TWh	71
#362	Santa Clara County, CA	3.6 TWh	75
#987	Cook County, IL	491.9 GWh	77
#6	Clark County, NV	30.8 TWh	79
#119	Imperial County, CA	9.5 TWh	84
#772	Plymouth County, MA	823.6 GWh	84
#545	Hampden County, MA	1.8 TWh	86
#1	Maricopa County, AZ	78.5 TWh	88
#2	Harris County, TX	39.2 TWh	96
#172	Fresno County, CA	7.6 TWh	119
#295	San Diego County, CA	4.4 TWh	151
#50	Riverside County, CA	14.8 TWh	159
#244	Worcester County, MA	5.7 TWh	190
#75	San Bernardino County, CA	12.1 TWh	204
#37	Los Angeles County, CA	17.0 TWh	308
#5	Kern County, CA	35.2 TWh	313

Net Generation data is based on the last 12 months since Mar 2026

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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