Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#5	Kern County, CA	35.2 TWh	313
#37	Los Angeles County, CA	17.0 TWh	308
#75	San Bernardino County, CA	12.1 TWh	204
#244	Worcester County, MA	5.7 TWh	190
#50	Riverside County, CA	14.8 TWh	159
#295	San Diego County, CA	4.4 TWh	151
#172	Fresno County, CA	7.6 TWh	119
#2	Harris County, TX	39.2 TWh	96
#1	Maricopa County, AZ	78.5 TWh	88
#545	Hampden County, MA	1.8 TWh	86
#119	Imperial County, CA	9.5 TWh	84
#772	Plymouth County, MA	823.6 GWh	84
#6	Clark County, NV	30.8 TWh	79
#987	Cook County, IL	491.9 GWh	77
#362	Santa Clara County, CA	3.6 TWh	75
#731	Bristol County, MA	943.8 GWh	71
#93	Middlesex County, NJ	10.8 TWh	71
#588	Tulare County, CA	1.6 TWh	69
#164	St. Lawrence County, NY	7.9 TWh	69
#516	Middlesex County, MA	1.9 TWh	68
#123	Suffolk County, NY	9.4 TWh	67
#243	Sacramento County, CA	5.7 TWh	65
#89	Weld County, CO	10.9 TWh	60
#441	Orange County, CA	2.6 TWh	59
#315	Kings County, CA	4.2 TWh	57
#149	Providence County, RI	8.3 TWh	57
#61	Contra Costa County, CA	13.3 TWh	56
#776	Capitol Planning Region, CT	814.6 GWh	56
#245	Orange County, NY	5.6 TWh	53
#1,123	Robeson County, NC	362.0 GWh	52
#36	Southeastern Connecticut Planning Region, CT	17.5 TWh	51
#972	Stearns County, MN	511.1 GWh	50
#73	Brazoria County, TX	12.4 TWh	50
#213	Honolulu County, HI	6.6 TWh	48
#1,175	Chisago County, MN	315.3 GWh	48
#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
#185	Shasta County, CA	7.3 TWh	46
#1,184	Duplin County, NC	304.3 GWh	45
#1,249	Berkshire County, MA	246.9 GWh	44
#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
#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
#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
#976	Jefferson County, NY	505.3 GWh	38
#1,129	Oneida County, NY	357.7 GWh	38
#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
#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
#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
#351	Lincoln County, MN	3.6 TWh	34
#175	Sherburne County, MN	7.6 TWh	34
#95	Cleveland County, NC	10.7 TWh	34
#1,207	Franklin County, MA	280.2 GWh	33
#112	Goodhue County, MN	10.0 TWh	33
#8	Oswego County, NY	29.9 TWh	33
#821	Ventura County, CA	746.2 GWh	32
#912	Aroostook County, ME	598.6 GWh	32
#663	Rice County, MN	1.2 TWh	32
#940	Merced County, CA	555.3 GWh	31
#478	Kings County, NY	2.2 TWh	31
#1,041	Westchester County, NY	438.0 GWh	31
#155	Hidalgo County, TX	8.1 TWh	31
#1,350	Monmouth County, NJ	173.5 GWh	30
#330	Albany County, NY	4.0 TWh	30
#1,045	Marion County, OR	434.3 GWh	30
#749	Tarrant County, TX	891.9 GWh	30
#454	Monterey County, CA	2.4 TWh	29
#811	Androscoggin County, ME	756.3 GWh	29
#688	Pipestone County, MN	1.1 TWh	29
#1,578	Renville County, MN	71.4 GWh	29
#20	Fort Bend County, TX	21.8 TWh	29
#656	Madera County, CA	1.2 TWh	28
#601	Clinton County, NY	1.5 TWh	28
#578	Lewis County, NY	1.6 TWh	28
#203	Darlington County, SC	6.8 TWh	28
#1,316	Kennebec County, ME	198.0 GWh	27
#282	Wayne County, MI	4.7 TWh	27
#372	Essex County, NJ	3.4 TWh	27
#624	Hudson County, NJ	1.4 TWh	27
#1,264	Mercer County, NJ	236.5 GWh	27
#759	Chautauqua County, NY	860.1 GWh	27
#1,087	Washington County, RI	396.2 GWh	27

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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