Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#5	Kern County, CA	34.9 TWh	313
#32	Los Angeles County, CA	18.6 TWh	308
#64	San Bernardino County, CA	12.8 TWh	204
#277	Worcester County, MA	4.9 TWh	190
#48	Riverside County, CA	14.7 TWh	159
#267	San Diego County, CA	5.1 TWh	151
#178	Fresno County, CA	7.6 TWh	119
#2	Harris County, TX	39.5 TWh	96
#1	Maricopa County, AZ	81.0 TWh	88
#550	Hampden County, MA	1.7 TWh	86
#110	Imperial County, CA	9.7 TWh	84
#756	Plymouth County, MA	848.5 GWh	84
#6	Clark County, NV	31.3 TWh	79
#981	Cook County, IL	489.8 GWh	77
#321	Santa Clara County, CA	4.0 TWh	75
#725	Bristol County, MA	947.8 GWh	71
#109	Middlesex County, NJ	9.8 TWh	71
#596	Tulare County, CA	1.5 TWh	69
#164	St. Lawrence County, NY	8.0 TWh	69
#338	Middlesex County, MA	3.7 TWh	68
#132	Suffolk County, NY	8.8 TWh	67
#217	Sacramento County, CA	6.4 TWh	65
#95	Weld County, CO	10.5 TWh	60
#408	Orange County, CA	2.9 TWh	59
#307	Kings County, CA	4.3 TWh	57
#177	Providence County, RI	7.6 TWh	57
#61	Contra Costa County, CA	13.2 TWh	56
#797	Capitol Planning Region, CT	761.3 GWh	56
#241	Orange County, NY	5.6 TWh	53
#1,108	Robeson County, NC	361.5 GWh	52
#36	Southeastern Connecticut Planning Region, CT	17.1 TWh	51
#966	Stearns County, MN	509.8 GWh	50
#70	Brazoria County, TX	12.2 TWh	49
#214	Honolulu County, HI	6.5 TWh	48
#1,158	Chisago County, MN	316.4 GWh	48
#450	Alameda County, CA	2.5 TWh	47
#489	San Joaquin County, CA	2.2 TWh	47
#337	Penobscot County, ME	3.8 TWh	47
#175	Shasta County, CA	7.7 TWh	46
#1,165	Duplin County, NC	304.3 GWh	45
#1,227	Berkshire County, MA	247.8 GWh	44
#1,153	Burlington County, NJ	326.4 GWh	41
#917	Monroe County, NY	580.6 GWh	41
#200	Wayne County, NC	6.7 TWh	41
#388	Solano County, CA	3.2 TWh	40
#605	Twin Falls County, ID	1.4 TWh	40
#9	Will County, IL	28.8 TWh	40
#924	Nash County, NC	570.0 GWh	40
#415	Pima County, AZ	2.8 TWh	39
#448	Essex County, MA	2.5 TWh	39
#420	Dakota County, MN	2.8 TWh	39
#184	Norfolk County, MA	7.3 TWh	38
#968	Jefferson County, NY	505.3 GWh	38
#1,112	Oneida County, NY	357.8 GWh	38
#293	Adams County, CO	4.6 TWh	37
#12	Polk County, FL	26.6 TWh	37
#194	Prince George's County, MD	6.8 TWh	37
#1,204	Hampshire County, MA	270.0 GWh	37
#984	Onondaga County, NY	480.9 GWh	37
#501	Saratoga County, NY	2.0 TWh	37
#753	Clackamas County, OR	866.0 GWh	37
#574	Somerset County, ME	1.6 TWh	36
#1,300	Johnston County, NC	194.7 GWh	36
#1,213	Erie County, NY	260.6 GWh	35
#54	Bexar County, TX	14.0 TWh	35
#230	Pecos County, TX	6.2 TWh	35
#57	Hillsborough County, FL	13.4 TWh	34
#350	Lincoln County, MN	3.6 TWh	34
#176	Sherburne County, MN	7.7 TWh	34
#119	Cleveland County, NC	9.4 TWh	34
#1,177	Franklin County, MA	290.3 GWh	33
#135	Goodhue County, MN	8.8 TWh	33
#7	Oswego County, NY	29.8 TWh	33
#804	Ventura County, CA	756.5 GWh	32
#875	Aroostook County, ME	625.5 GWh	32
#656	Rice County, MN	1.2 TWh	32
#957	Merced County, CA	522.8 GWh	31
#480	Kings County, NY	2.2 TWh	31
#1,044	Westchester County, NY	428.7 GWh	31
#155	Hidalgo County, TX	8.2 TWh	31
#1,335	Monmouth County, NJ	174.5 GWh	30
#319	Albany County, NY	4.0 TWh	30
#1,034	Marion County, OR	434.3 GWh	30
#749	Tarrant County, TX	878.9 GWh	30
#391	Monterey County, CA	3.1 TWh	29
#801	Androscoggin County, ME	758.2 GWh	29
#678	Pipestone County, MN	1.1 TWh	29
#1,563	Renville County, MN	70.7 GWh	29
#19	Fort Bend County, TX	21.6 TWh	29
#724	Madera County, CA	950.7 GWh	28
#581	Clinton County, NY	1.5 TWh	28
#533	Lewis County, NY	1.8 TWh	28
#226	Darlington County, SC	6.3 TWh	28
#1,298	Kennebec County, ME	198.0 GWh	27
#292	Wayne County, MI	4.6 TWh	27
#378	Essex County, NJ	3.3 TWh	27
#674	Hudson County, NJ	1.1 TWh	27
#1,257	Mercer County, NJ	228.1 GWh	27
#752	Chautauqua County, NY	873.3 GWh	27
#1,075	Washington County, RI	395.2 GWh	27

Net Generation data is based on the last 12 months since Sep 2025

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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