Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,644	Napa County, CA	51.0 GWh	9
#906	Nash County, NC	599.4 GWh	41
#445	Nassau County, NY	2.5 TWh	24
#642	Nassau County, FL	1.3 TWh	5
#821	Natrona County, WY	742.3 GWh	4
#260	Naugatuck Valley Planning Region, CT	5.3 TWh	17
#535	Navajo County, AZ	1.8 TWh	8
#467	Navarro County, TX	2.3 TWh	15
#195	Nemaha County, NE	6.9 TWh	2
#714	Nemaha County, KS	1.0 TWh	2
#676	Neosho County, KS	1.2 TWh	8
#774	Ness County, KS	814.4 GWh	1
#1,275	Nevada County, CA	219.1 GWh	12
#319	New Castle County, DE	4.0 TWh	19
#361	New Hanover County, NC	3.5 TWh	5
#1,747	New Kent County, VA	29.0 GWh	2
#203	New Madrid County, MO	6.7 TWh	2
#444	New York County, NY	2.6 TWh	18
#1,492	Newaygo County, MI	101.1 GWh	3
#1,969	Newberry County, SC	5.8 GWh	2
#552	Newport County, RI	1.7 TWh	10
#301	Newton County, TX	4.4 TWh	2
#1,011	Nez Perce County, ID	465.0 GWh	1
#50	Niagara County, NY	14.5 TWh	26
#1,396	Nicholas County, WV	143.7 GWh	1
#1,731	Nicollet County, MN	31.9 GWh	9
#339	Noble County, OK	3.8 TWh	3
#516	Nobles County, MN	1.9 TWh	11
#597	Nodaway County, MO	1.5 TWh	5
#224	Nolan County, TX	6.3 TWh	21
#1,650	Nome Census Area, AK	49.6 GWh	10
#2,089	Norfolk city, VA	1.4 GWh	1
#180	Norfolk County, MA	7.4 TWh	38
#2,159	Norman County, MN	11.0 MWh	1
#1,412	North Slope Borough, AK	134.5 GWh	14
#848	Northampton County, NC	679.2 GWh	17
#60	Northampton County, PA	13.4 TWh	11
#1,739	Northampton County, VA	30.6 GWh	2
#230	Northeastern Connecticut Planning Region, CT	6.2 TWh	17
#1,444	Northumberland County, PA	117.0 GWh	6
#1,727	Northwest Arctic Borough, AK	32.3 GWh	8
#1,563	Northwest Hills Planning Region, CT	73.2 GWh	15
#184	Nueces County, TX	7.3 TWh	22
#1,122	Nye County, NV	360.0 GWh	7
#464	O'Brien County, IA	2.3 TWh	3
#1,732	Oakland County, MI	31.9 GWh	7
#1,371	Obion County, TN	159.3 GWh	1
#912	Ocean County, NJ	589.7 GWh	23
#743	Ochiltree County, TX	904.2 GWh	1
#20	Oconee County, SC	22.0 TWh	4
#1,806	Oconto County, WI	19.0 GWh	3
#24	Ogle County, IL	19.9 TWh	12
#1,404	Oglethorpe County, GA	138.3 GWh	2
#483	Ohio County, KY	2.2 TWh	1
#1,099	Okaloosa County, FL	384.6 GWh	3
#63	Okeechobee County, FL	13.1 TWh	10
#2,001	Okfuskee County, OK	4.3 GWh	1
#257	Oklahoma County, OK	5.3 TWh	5
#446	Oldham County, TX	2.5 TWh	5
#1,453	Oldham County, KY	112.5 GWh	1
#275	Oliver County, ND	4.9 TWh	4
#1,204	Olmsted County, MN	278.3 GWh	19
#1,125	Oneida County, NY	357.7 GWh	38
#1,767	Oneida County, WI	25.3 GWh	3
#1,018	Onondaga County, NY	456.1 GWh	37
#1,613	Onslow County, NC	58.9 GWh	11
#1,459	Ontario County, NY	111.2 GWh	20
#1,761	Ontonagon County, MI	26.1 GWh	2
#1,785	Orange County, VT	21.6 GWh	5
#1,439	Orange County, VA	119.3 GWh	1
#1,517	Orange County, NC	88.4 GWh	7
#113	Orange County, FL	9.8 TWh	13
#245	Orange County, NY	5.6 TWh	53
#223	Orange County, TX	6.3 TWh	7
#437	Orange County, CA	2.6 TWh	59
#472	Orangeburg County, SC	2.2 TWh	17
#1,684	Orleans County, NY	40.4 GWh	12
#1,234	Orleans County, VT	251.2 GWh	7
#1,285	Orleans Parish, LA	212.5 GWh	8
#934	Osage County, OK	566.4 GWh	4
#2,150	Osage County, KS	43.8 MWh	3
#2,155	Osborne County, KS	15.7 MWh	1
#1,716	Osceola County, MI	34.0 GWh	2
#278	Osceola County, FL	4.8 TWh	10
#879	Osceola County, IA	625.9 GWh	8
#1,728	Oscoda County, MI	32.1 GWh	2
#7	Oswego County, NY	30.2 TWh	33
#1,067	Otero County, NM	416.1 GWh	4
#2,015	Otero County, CO	3.9 GWh	3
#200	Otoe County, NE	6.8 TWh	4
#2,042	Otsego County, NY	3.0 GWh	3
#947	Otsego County, MI	541.2 GWh	4
#173	Ottawa County, OH	7.8 TWh	3
#56	Ottawa County, MI	13.6 TWh	14
#2,133	Ottawa County, KS	99.0 MWh	1
#1,534	Otter Tail County, MN	84.5 GWh	5
#1,653	Ouachita County, AR	48.8 GWh	3
#156	Ouachita Parish, LA	8.2 TWh	7
#1,823	Ouray County, CO	16.5 GWh	1
#314	Outagamie County, WI	4.2 TWh	15

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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