Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#5	Kern County, CA	34.9 TWh	333
#38	Los Angeles County, CA	17.0 TWh	325
#82	San Bernardino County, CA	11.7 TWh	212
#276	Worcester County, MA	4.9 TWh	200
#60	Riverside County, CA	14.0 TWh	165
#321	San Diego County, CA	4.1 TWh	156
#177	Fresno County, CA	7.6 TWh	128
#3	Harris County, TX	37.2 TWh	108
#1	Maricopa County, AZ	78.4 TWh	97
#525	Hampden County, MA	1.9 TWh	90
#895	Cook County, IL	615.7 GWh	86
#789	Plymouth County, MA	805.9 GWh	86
#116	Imperial County, CA	9.9 TWh	84
#6	Clark County, NV	31.5 TWh	83
#109	Middlesex County, NJ	10.1 TWh	79
#364	Santa Clara County, CA	3.5 TWh	76
#880	Bristol County, MA	645.7 GWh	75
#577	Tulare County, CA	1.6 TWh	72
#132	Suffolk County, NY	9.1 TWh	72
#88	Weld County, CO	11.2 TWh	71
#523	Middlesex County, MA	1.9 TWh	70
#168	St. Lawrence County, NY	7.9 TWh	70
#244	Sacramento County, CA	5.6 TWh	68
#758	Capitol Planning Region, CT	893.8 GWh	61
#247	Orange County, NY	5.6 TWh	60
#185	Providence County, RI	7.3 TWh	60
#74	Contra Costa County, CA	12.5 TWh	59
#330	Kings County, CA	4.0 TWh	59
#455	Orange County, CA	2.5 TWh	59
#57	Brazoria County, TX	14.1 TWh	55
#965	Stearns County, MN	513.6 GWh	54
#596	San Joaquin County, CA	1.5 TWh	53
#36	Southeastern Connecticut Planning Region, CT	17.8 TWh	53
#433	Alameda County, CA	2.7 TWh	52
#1,196	Robeson County, NC	310.6 GWh	52
#442	Penobscot County, ME	2.6 TWh	51
#213	Honolulu County, HI	6.6 TWh	49
#1,203	Chisago County, MN	305.9 GWh	49
#11	Will County, IL	27.2 TWh	47
#887	Onondaga County, NY	627.9 GWh	47
#197	Shasta County, CA	6.9 TWh	46
#1,491	Berkshire County, MA	112.0 GWh	46
#1,210	Duplin County, NC	301.1 GWh	46
#1,148	Oneida County, NY	358.5 GWh	44
#1,180	Burlington County, NJ	326.7 GWh	43
#564	Saratoga County, NY	1.7 TWh	43
#399	Pima County, AZ	3.1 TWh	42
#162	Prince George's County, MD	8.0 TWh	42
#916	Monroe County, NY	588.4 GWh	42
#403	Solano County, CA	3.0 TWh	41
#480	Essex County, MA	2.2 TWh	41
#862	Nash County, NC	670.8 GWh	41
#214	Wayne County, NC	6.5 TWh	41
#233	Pecos County, TX	6.0 TWh	41
#15	Polk County, FL	23.0 TWh	40
#649	Twin Falls County, ID	1.3 TWh	40
#226	Norfolk County, MA	6.1 TWh	40
#323	Adams County, CO	4.1 TWh	39
#1,294	Hampshire County, MA	226.3 GWh	39
#606	Dakota County, MN	1.5 TWh	39
#574	Somerset County, ME	1.6 TWh	38
#1,097	Jefferson County, NY	404.0 GWh	38
#779	Clackamas County, OR	828.8 GWh	38
#67	Bexar County, TX	12.8 TWh	38
#145	Hidalgo County, TX	8.4 TWh	38
#42	Hillsborough County, FL	16.0 TWh	37
#847	Kankakee County, IL	697.9 GWh	37
#182	Sherburne County, MN	7.4 TWh	37
#1,190	Erie County, NY	316.2 GWh	37
#753	Rice County, MN	902.5 GWh	36
#752	Chautauqua County, NY	904.6 GWh	36
#449	Kings County, NY	2.5 TWh	36
#8	Oswego County, NY	30.2 TWh	36
#1,351	Johnston County, NC	188.8 GWh	36
#118	Goodhue County, MN	9.9 TWh	35
#844	DeKalb County, IL	707.0 GWh	34
#1,318	Kennebec County, ME	209.2 GWh	34
#350	Lincoln County, MN	3.7 TWh	34
#120	Cleveland County, NC	9.8 TWh	34
#1,028	Merced County, CA	454.6 GWh	33
#837	Ventura County, CA	715.4 GWh	33
#867	Aroostook County, ME	667.5 GWh	33
#1,373	Franklin County, MA	171.9 GWh	33
#322	Albany County, NY	4.1 TWh	33
#1,056	Westchester County, NY	434.0 GWh	33
#446	Cameron County, TX	2.6 TWh	33
#946	Stephenson County, IL	548.1 GWh	32
#810	Androscoggin County, ME	764.8 GWh	32
#1,596	Baltimore County, MD	74.9 GWh	31
#1,046	Marion County, OR	439.9 GWh	31
#748	Tarrant County, TX	918.7 GWh	31
#1,380	Monmouth County, NJ	168.1 GWh	30
#1,408	Genesee County, NY	154.6 GWh	30
#573	Lewis County, NY	1.6 TWh	30
#20	Fort Bend County, TX	20.9 TWh	30
#685	Dane County, WI	1.1 TWh	30
#663	Madera County, CA	1.2 TWh	29
#440	Monterey County, CA	2.6 TWh	29
#237	Wayne County, MI	5.7 TWh	29
#677	Pipestone County, MN	1.2 TWh	29

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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