Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#5	Kern County, CA	34.8 TWh	313
#27	Los Angeles County, CA	19.3 TWh	308
#62	San Bernardino County, CA	12.8 TWh	204
#286	Worcester County, MA	4.7 TWh	190
#50	Riverside County, CA	14.7 TWh	159
#274	San Diego County, CA	4.9 TWh	151
#179	Fresno County, CA	7.6 TWh	119
#2	Harris County, TX	39.5 TWh	96
#1	Maricopa County, AZ	80.5 TWh	88
#547	Hampden County, MA	1.7 TWh	86
#112	Imperial County, CA	9.8 TWh	84
#756	Plymouth County, MA	852.5 GWh	84
#6	Clark County, NV	31.4 TWh	79
#981	Cook County, IL	487.5 GWh	77
#321	Santa Clara County, CA	4.1 TWh	75
#723	Bristol County, MA	947.8 GWh	71
#115	Middlesex County, NJ	9.7 TWh	71
#606	Tulare County, CA	1.4 TWh	69
#160	St. Lawrence County, NY	8.1 TWh	69
#338	Middlesex County, MA	3.8 TWh	68
#137	Suffolk County, NY	8.8 TWh	67
#219	Sacramento County, CA	6.4 TWh	65
#98	Weld County, CO	10.3 TWh	60
#403	Orange County, CA	3.0 TWh	59
#306	Kings County, CA	4.3 TWh	57
#180	Providence County, RI	7.5 TWh	57
#63	Contra Costa County, CA	12.8 TWh	56
#820	Capitol Planning Region, CT	734.0 GWh	56
#244	Orange County, NY	5.6 TWh	53
#1,105	Robeson County, NC	361.4 GWh	52
#37	Southeastern Connecticut Planning Region, CT	16.7 TWh	51
#962	Stearns County, MN	515.8 GWh	50
#67	Brazoria County, TX	12.2 TWh	49
#214	Honolulu County, HI	6.5 TWh	48
#1,152	Chisago County, MN	321.3 GWh	48
#449	Alameda County, CA	2.5 TWh	47
#489	San Joaquin County, CA	2.2 TWh	47
#339	Penobscot County, ME	3.8 TWh	47
#175	Shasta County, CA	7.7 TWh	46
#1,164	Duplin County, NC	304.3 GWh	45
#1,230	Berkshire County, MA	244.3 GWh	44
#1,148	Burlington County, NJ	326.4 GWh	41
#916	Monroe County, NY	575.5 GWh	41
#192	Wayne County, NC	6.9 TWh	41
#386	Solano County, CA	3.2 TWh	40
#603	Twin Falls County, ID	1.4 TWh	40
#8	Will County, IL	28.8 TWh	40
#924	Nash County, NC	567.8 GWh	40
#427	Pima County, AZ	2.7 TWh	39
#452	Essex County, MA	2.5 TWh	39
#416	Dakota County, MN	2.8 TWh	39
#185	Norfolk County, MA	7.2 TWh	38
#949	Jefferson County, NY	529.0 GWh	38
#1,112	Oneida County, NY	357.7 GWh	38
#297	Adams County, CO	4.4 TWh	37
#11	Polk County, FL	27.2 TWh	37
#202	Prince George's County, MD	6.7 TWh	37
#1,200	Hampshire County, MA	270.0 GWh	37
#986	Onondaga County, NY	479.1 GWh	37
#506	Saratoga County, NY	2.0 TWh	37
#748	Clackamas County, OR	866.0 GWh	37
#575	Somerset County, ME	1.6 TWh	36
#1,297	Johnston County, NC	194.7 GWh	36
#1,210	Erie County, NY	260.6 GWh	35
#55	Bexar County, TX	14.0 TWh	35
#233	Pecos County, TX	6.1 TWh	35
#61	Hillsborough County, FL	13.1 TWh	34
#347	Lincoln County, MN	3.6 TWh	34
#178	Sherburne County, MN	7.6 TWh	34
#124	Cleveland County, NC	9.0 TWh	34
#1,167	Franklin County, MA	301.7 GWh	33
#139	Goodhue County, MN	8.6 TWh	33
#7	Oswego County, NY	29.5 TWh	33
#804	Ventura County, CA	757.4 GWh	32
#875	Aroostook County, ME	620.5 GWh	32
#650	Rice County, MN	1.2 TWh	32
#928	Merced County, CA	560.5 GWh	31
#482	Kings County, NY	2.2 TWh	31
#1,036	Westchester County, NY	428.7 GWh	31
#157	Hidalgo County, TX	8.2 TWh	31
#1,270	Monmouth County, NJ	217.8 GWh	30
#319	Albany County, NY	4.1 TWh	30
#1,029	Marion County, OR	434.3 GWh	30
#766	Tarrant County, TX	822.3 GWh	30
#379	Monterey County, CA	3.3 TWh	29
#803	Androscoggin County, ME	757.9 GWh	29
#672	Pipestone County, MN	1.1 TWh	29
#1,566	Renville County, MN	69.2 GWh	29
#20	Fort Bend County, TX	21.2 TWh	29
#718	Madera County, CA	966.5 GWh	28
#581	Clinton County, NY	1.5 TWh	28
#530	Lewis County, NY	1.8 TWh	28
#222	Darlington County, SC	6.3 TWh	28
#1,294	Kennebec County, ME	198.0 GWh	27
#291	Wayne County, MI	4.6 TWh	27
#387	Essex County, NJ	3.2 TWh	27
#680	Hudson County, NJ	1.1 TWh	27
#1,258	Mercer County, NJ	223.5 GWh	27
#741	Chautauqua County, NY	886.0 GWh	27
#1,073	Washington County, RI	396.9 GWh	27

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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