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
#77	San Bernardino County, CA	12.0 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
#770	Plymouth County, MA	823.6 GWh	84
#6	Clark County, NV	30.8 TWh	79
#990	Cook County, IL	486.1 GWh	77
#362	Santa Clara County, CA	3.5 TWh	75
#730	Bristol County, MA	943.8 GWh	71
#93	Middlesex County, NJ	10.8 TWh	71
#594	Tulare County, CA	1.6 TWh	69
#164	St. Lawrence County, NY	7.9 TWh	69
#515	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
#65	Contra Costa County, CA	13.0 TWh	56
#774	Capitol Planning Region, CT	814.6 GWh	56
#245	Orange County, NY	5.6 TWh	53
#1,119	Robeson County, NC	362.0 GWh	52
#36	Southeastern Connecticut Planning Region, CT	17.5 TWh	51
#969	Stearns County, MN	511.1 GWh	50
#73	Brazoria County, TX	12.4 TWh	50
#213	Honolulu County, HI	6.6 TWh	48
#1,171	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
#1,180	Duplin County, NC	304.3 GWh	45
#1,244	Berkshire County, MA	246.9 GWh	44
#1,162	Burlington County, NJ	322.7 GWh	41
#922	Monroe County, NY	586.7 GWh	41
#899	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
#977	Jefferson County, NY	501.8 GWh	38
#1,125	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
#1,215	Hampshire County, MA	270.0 GWh	37
#1,024	Onondaga County, NY	448.9 GWh	37
#536	Saratoga County, NY	1.8 TWh	37
#756	Clackamas County, OR	866.0 GWh	37
#573	Somerset County, ME	1.6 TWh	36
#1,315	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	258.1 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
#1,203	Franklin County, MA	280.2 GWh	33
#112	Goodhue County, MN	10.0 TWh	33
#8	Oswego County, NY	29.9 TWh	33
#820	Ventura County, CA	743.6 GWh	32
#910	Aroostook County, ME	598.2 GWh	32
#663	Rice County, MN	1.2 TWh	32
#941	Merced County, CA	549.1 GWh	31
#478	Kings County, NY	2.2 TWh	31
#1,038	Westchester County, NY	438.0 GWh	31
#155	Hidalgo County, TX	8.1 TWh	31
#1,347	Monmouth County, NJ	173.5 GWh	30
#333	Albany County, NY	3.9 TWh	30
#1,041	Marion County, OR	434.5 GWh	30
#747	Tarrant County, TX	891.9 GWh	30
#454	Monterey County, CA	2.4 TWh	29
#809	Androscoggin County, ME	756.3 GWh	29
#688	Pipestone County, MN	1.1 TWh	29
#1,572	Renville County, MN	71.4 GWh	29
#20	Fort Bend County, TX	21.8 TWh	29
#659	Madera County, CA	1.2 TWh	28
#612	Clinton County, NY	1.4 TWh	28
#577	Lewis County, NY	1.6 TWh	28
#203	Darlington County, SC	6.8 TWh	28
#1,312	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
#1,259	Mercer County, NJ	236.5 GWh	27
#757	Chautauqua County, NY	860.1 GWh	27
#1,083	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

Browse Counties By State