Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#5	Kern County, CA	34.6 TWh	313
#36	Los Angeles County, CA	17.3 TWh	308
#75	San Bernardino County, CA	11.9 TWh	204
#242	Worcester County, MA	5.7 TWh	190
#49	Riverside County, CA	14.6 TWh	159
#290	San Diego County, CA	4.7 TWh	151
#177	Fresno County, CA	7.6 TWh	119
#2	Harris County, TX	39.3 TWh	96
#1	Maricopa County, AZ	78.5 TWh	88
#553	Hampden County, MA	1.7 TWh	86
#116	Imperial County, CA	9.7 TWh	84
#767	Plymouth County, MA	842.0 GWh	84
#6	Clark County, NV	30.9 TWh	79
#989	Cook County, IL	492.4 GWh	77
#341	Santa Clara County, CA	3.8 TWh	75
#732	Bristol County, MA	943.8 GWh	71
#99	Middlesex County, NJ	10.4 TWh	71
#579	Tulare County, CA	1.6 TWh	69
#167	St. Lawrence County, NY	7.9 TWh	69
#508	Middlesex County, MA	2.0 TWh	68
#121	Suffolk County, NY	9.3 TWh	67
#234	Sacramento County, CA	5.9 TWh	65
#93	Weld County, CO	10.7 TWh	60
#437	Orange County, CA	2.6 TWh	59
#315	Kings County, CA	4.1 TWh	57
#158	Providence County, RI	8.1 TWh	57
#59	Contra Costa County, CA	13.5 TWh	56
#777	Capitol Planning Region, CT	812.1 GWh	56
#245	Orange County, NY	5.6 TWh	53
#1,120	Robeson County, NC	361.4 GWh	52
#35	Southeastern Connecticut Planning Region, CT	17.5 TWh	51
#968	Stearns County, MN	512.6 GWh	50
#69	Brazoria County, TX	12.4 TWh	50
#212	Honolulu County, HI	6.6 TWh	48
#1,171	Chisago County, MN	315.1 GWh	48
#427	Alameda County, CA	2.7 TWh	47
#545	San Joaquin County, CA	1.8 TWh	47
#340	Penobscot County, ME	3.8 TWh	47
#176	Shasta County, CA	7.6 TWh	46
#1,178	Duplin County, NC	304.3 GWh	45
#1,217	Berkshire County, MA	264.1 GWh	44
#1,163	Burlington County, NJ	325.8 GWh	41
#915	Monroe County, NY	587.7 GWh	41
#906	Nash County, NC	599.4 GWh	41
#233	Wayne County, NC	6.0 TWh	41
#394	Solano County, CA	3.1 TWh	40
#614	Twin Falls County, ID	1.4 TWh	40
#9	Will County, IL	28.4 TWh	40
#410	Pima County, AZ	2.9 TWh	39
#448	Essex County, MA	2.5 TWh	39
#421	Dakota County, MN	2.8 TWh	39
#180	Norfolk County, MA	7.4 TWh	38
#976	Jefferson County, NY	505.3 GWh	38
#1,125	Oneida County, NY	357.7 GWh	38
#289	Adams County, CO	4.7 TWh	37
#15	Polk County, FL	24.5 TWh	37
#188	Prince George's County, MD	7.1 TWh	37
#1,212	Hampshire County, MA	270.0 GWh	37
#1,018	Onondaga County, NY	456.1 GWh	37
#501	Saratoga County, NY	2.0 TWh	37
#757	Clackamas County, OR	866.0 GWh	37
#577	Somerset County, ME	1.6 TWh	36
#1,309	Johnston County, NC	194.7 GWh	36
#229	Pecos County, TX	6.2 TWh	36
#47	Hillsborough County, FL	15.2 TWh	35
#1,222	Erie County, NY	260.6 GWh	35
#57	Bexar County, TX	13.6 TWh	35
#353	Lincoln County, MN	3.7 TWh	34
#163	Sherburne County, MN	8.0 TWh	34
#103	Cleveland County, NC	10.3 TWh	34
#1,198	Franklin County, MA	281.7 GWh	33
#112	Goodhue County, MN	9.9 TWh	33
#7	Oswego County, NY	30.2 TWh	33
#807	Ventura County, CA	758.4 GWh	32
#897	Aroostook County, ME	606.1 GWh	32
#660	Rice County, MN	1.2 TWh	32
#962	Merced County, CA	521.1 GWh	31
#479	Kings County, NY	2.2 TWh	31
#1,055	Westchester County, NY	423.6 GWh	31
#155	Hidalgo County, TX	8.2 TWh	31
#1,343	Monmouth County, NJ	173.8 GWh	30
#327	Albany County, NY	4.0 TWh	30
#1,047	Marion County, OR	434.3 GWh	30
#734	Tarrant County, TX	922.4 GWh	30
#452	Monterey County, CA	2.5 TWh	29
#808	Androscoggin County, ME	757.7 GWh	29
#687	Pipestone County, MN	1.1 TWh	29
#1,569	Renville County, MN	72.1 GWh	29
#19	Fort Bend County, TX	22.1 TWh	29
#684	Madera County, CA	1.1 TWh	28
#589	Clinton County, NY	1.6 TWh	28
#546	Lewis County, NY	1.8 TWh	28
#198	Darlington County, SC	6.9 TWh	28
#1,307	Kennebec County, ME	198.0 GWh	27
#295	Wayne County, MI	4.6 TWh	27
#385	Essex County, NJ	3.3 TWh	27
#662	Hudson County, NJ	1.2 TWh	27
#1,256	Mercer County, NJ	234.6 GWh	27
#744	Chautauqua County, NY	903.0 GWh	27
#1,084	Washington County, RI	398.0 GWh	27

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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