Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#38	Los Angeles County, CA	16.7 TWh	319
#5	Kern County, CA	34.3 TWh	317
#82	San Bernardino County, CA	11.6 TWh	208
#266	Worcester County, MA	5.1 TWh	197
#56	Riverside County, CA	14.0 TWh	162
#317	San Diego County, CA	4.1 TWh	156
#181	Fresno County, CA	7.4 TWh	127
#3	Harris County, TX	37.5 TWh	108
#1	Maricopa County, AZ	78.0 TWh	94
#528	Hampden County, MA	1.9 TWh	89
#115	Imperial County, CA	9.9 TWh	84
#783	Plymouth County, MA	811.3 GWh	84
#6	Clark County, NV	31.0 TWh	83
#966	Cook County, IL	512.8 GWh	82
#358	Santa Clara County, CA	3.5 TWh	76
#100	Middlesex County, NJ	10.5 TWh	75
#873	Bristol County, MA	645.8 GWh	74
#582	Tulare County, CA	1.6 TWh	71
#171	St. Lawrence County, NY	7.8 TWh	69
#127	Suffolk County, NY	9.3 TWh	69
#526	Middlesex County, MA	1.9 TWh	68
#247	Sacramento County, CA	5.6 TWh	67
#88	Weld County, CO	11.2 TWh	62
#759	Capitol Planning Region, CT	865.7 GWh	61
#240	Orange County, NY	5.7 TWh	60
#73	Contra Costa County, CA	12.4 TWh	59
#449	Orange County, CA	2.5 TWh	59
#179	Providence County, RI	7.5 TWh	59
#328	Kings County, CA	4.0 TWh	58
#55	Brazoria County, TX	14.0 TWh	54
#606	San Joaquin County, CA	1.5 TWh	53
#964	Stearns County, MN	514.8 GWh	53
#37	Southeastern Connecticut Planning Region, CT	17.8 TWh	52
#1,193	Robeson County, NC	310.0 GWh	52
#442	Alameda County, CA	2.6 TWh	51
#213	Honolulu County, HI	6.6 TWh	49
#1,195	Chisago County, MN	306.0 GWh	49
#439	Penobscot County, ME	2.6 TWh	47
#196	Shasta County, CA	6.9 TWh	46
#1,386	Berkshire County, MA	163.5 GWh	46
#886	Onondaga County, NY	622.8 GWh	46
#1,204	Duplin County, NC	301.3 GWh	46
#13	Will County, IL	26.9 TWh	44
#1,176	Burlington County, NJ	326.7 GWh	43
#1,151	Oneida County, NY	353.0 GWh	43
#560	Saratoga County, NY	1.7 TWh	43
#398	Pima County, AZ	3.1 TWh	42
#911	Monroe County, NY	586.4 GWh	42
#403	Solano County, CA	3.1 TWh	41
#462	Essex County, MA	2.3 TWh	41
#865	Nash County, NC	658.8 GWh	41
#214	Wayne County, NC	6.5 TWh	41
#642	Twin Falls County, ID	1.3 TWh	40
#158	Prince George's County, MD	8.1 TWh	40
#218	Norfolk County, MA	6.4 TWh	40
#14	Polk County, FL	23.5 TWh	39
#1,285	Hampshire County, MA	226.9 GWh	39
#607	Dakota County, MN	1.5 TWh	39
#231	Pecos County, TX	6.0 TWh	39
#1,090	Jefferson County, NY	404.0 GWh	38
#69	Bexar County, TX	12.7 TWh	38
#145	Hidalgo County, TX	8.4 TWh	38
#314	Adams County, CO	4.2 TWh	37
#44	Hillsborough County, FL	15.7 TWh	37
#573	Somerset County, ME	1.6 TWh	37
#1,187	Erie County, NY	316.4 GWh	37
#774	Clackamas County, OR	826.4 GWh	37
#760	Chautauqua County, NY	863.4 GWh	36
#8	Oswego County, NY	30.2 TWh	36
#1,340	Johnston County, NC	189.6 GWh	36
#118	Goodhue County, MN	9.9 TWh	35
#178	Sherburne County, MN	7.5 TWh	35
#350	Lincoln County, MN	3.7 TWh	34
#750	Rice County, MN	903.0 GWh	34
#117	Cleveland County, NC	9.9 TWh	34
#993	Merced County, CA	490.0 GWh	33
#843	Ventura County, CA	687.9 GWh	33
#1,359	Franklin County, MA	176.1 GWh	33
#325	Albany County, NY	4.1 TWh	33
#436	Cameron County, TX	2.6 TWh	33
#860	Aroostook County, ME	665.0 GWh	32
#1,041	Westchester County, NY	437.8 GWh	32
#808	Androscoggin County, ME	764.2 GWh	31
#445	Kings County, NY	2.6 TWh	31
#1,039	Marion County, OR	438.4 GWh	31
#753	Tarrant County, TX	895.5 GWh	31
#1,374	Monmouth County, NJ	168.0 GWh	30
#20	Fort Bend County, TX	21.0 TWh	30
#684	Dane County, WI	1.1 TWh	30
#467	Monterey County, CA	2.3 TWh	29
#859	Kankakee County, IL	667.6 GWh	29
#1,603	Baltimore County, MD	70.0 GWh	29
#238	Wayne County, MI	5.7 TWh	29
#669	Pipestone County, MN	1.2 TWh	29
#1,565	Renville County, MN	81.0 GWh	29
#550	Gloucester County, NJ	1.7 TWh	29
#1,403	Genesee County, NY	154.2 GWh	29
#210	Galveston County, TX	6.6 TWh	29
#665	Madera County, CA	1.2 TWh	28
#1,312	Kennebec County, ME	209.1 GWh	28

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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