Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,640	Napa County, CA	51.0 GWh	9
#907	Nash County, NC	594.5 GWh	41
#645	Nassau County, FL	1.3 TWh	5
#443	Nassau County, NY	2.6 TWh	24
#825	Natrona County, WY	733.9 GWh	4
#263	Naugatuck Valley Planning Region, CT	5.2 TWh	17
#533	Navajo County, AZ	1.8 TWh	8
#470	Navarro County, TX	2.3 TWh	15
#715	Nemaha County, KS	1.0 TWh	2
#196	Nemaha County, NE	6.9 TWh	2
#680	Neosho County, KS	1.1 TWh	8
#776	Ness County, KS	814.4 GWh	1
#1,276	Nevada County, CA	219.1 GWh	12
#327	New Castle County, DE	4.0 TWh	19
#364	New Hanover County, NC	3.5 TWh	5
#1,743	New Kent County, VA	29.0 GWh	2
#203	New Madrid County, MO	6.8 TWh	2
#446	New York County, NY	2.6 TWh	18
#1,488	Newaygo County, MI	101.1 GWh	3
#1,969	Newberry County, SC	5.8 GWh	2
#552	Newport County, RI	1.7 TWh	10
#297	Newton County, TX	4.6 TWh	2
#1,010	Nez Perce County, ID	462.9 GWh	1
#50	Niagara County, NY	14.6 TWh	26
#1,396	Nicholas County, WV	143.7 GWh	1
#1,726	Nicollet County, MN	31.9 GWh	9
#332	Noble County, OK	3.8 TWh	3
#511	Nobles County, MN	1.9 TWh	11
#596	Nodaway County, MO	1.5 TWh	5
#226	Nolan County, TX	6.2 TWh	21
#1,644	Nome Census Area, AK	49.6 GWh	10
#2,089	Norfolk city, VA	1.4 GWh	1
#182	Norfolk County, MA	7.3 TWh	38
#2,160	Norman County, MN	11.0 MWh	1
#1,413	North Slope Borough, AK	134.5 GWh	14
#845	Northampton County, NC	688.5 GWh	17
#1,735	Northampton County, VA	30.6 GWh	2
#62	Northampton County, PA	13.2 TWh	11
#228	Northeastern Connecticut Planning Region, CT	6.2 TWh	17
#1,447	Northumberland County, PA	115.3 GWh	6
#1,722	Northwest Arctic Borough, AK	32.3 GWh	8
#1,558	Northwest Hills Planning Region, CT	73.3 GWh	15
#179	Nueces County, TX	7.5 TWh	22
#1,126	Nye County, NV	354.5 GWh	7
#457	O'Brien County, IA	2.4 TWh	3
#1,727	Oakland County, MI	31.9 GWh	7
#1,369	Obion County, TN	160.4 GWh	1
#912	Ocean County, NJ	589.6 GWh	23
#768	Ochiltree County, TX	839.4 GWh	1
#20	Oconee County, SC	21.9 TWh	4
#1,801	Oconto County, WI	19.0 GWh	3
#23	Ogle County, IL	19.9 TWh	12
#1,435	Oglethorpe County, GA	122.0 GWh	2
#462	Ohio County, KY	2.3 TWh	1
#1,091	Okaloosa County, FL	387.0 GWh	3
#63	Okeechobee County, FL	13.1 TWh	10
#2,002	Okfuskee County, OK	4.3 GWh	1
#249	Oklahoma County, OK	5.5 TWh	5
#449	Oldham County, TX	2.5 TWh	5
#1,453	Oldham County, KY	112.5 GWh	1
#278	Oliver County, ND	4.9 TWh	4
#1,202	Olmsted County, MN	279.3 GWh	19
#1,123	Oneida County, NY	357.7 GWh	38
#1,767	Oneida County, WI	24.9 GWh	3
#1,014	Onondaga County, NY	459.1 GWh	37
#1,607	Onslow County, NC	58.9 GWh	11
#1,457	Ontario County, NY	111.4 GWh	20
#1,759	Ontonagon County, MI	26.1 GWh	2
#1,782	Orange County, VT	21.7 GWh	5
#1,521	Orange County, NC	86.5 GWh	7
#1,438	Orange County, VA	119.1 GWh	1
#245	Orange County, NY	5.6 TWh	53
#223	Orange County, TX	6.3 TWh	7
#110	Orange County, FL	9.9 TWh	13
#430	Orange County, CA	2.7 TWh	59
#474	Orangeburg County, SC	2.3 TWh	17
#1,682	Orleans County, NY	40.4 GWh	12
#1,222	Orleans County, VT	260.3 GWh	7
#1,289	Orleans Parish, LA	209.5 GWh	8
#929	Osage County, OK	566.4 GWh	4
#2,150	Osage County, KS	43.8 MWh	3
#2,156	Osborne County, KS	15.7 MWh	1
#1,710	Osceola County, MI	34.0 GWh	2
#286	Osceola County, FL	4.8 TWh	10
#875	Osceola County, IA	638.9 GWh	8
#1,723	Oscoda County, MI	32.1 GWh	2
#7	Oswego County, NY	30.0 TWh	33
#1,062	Otero County, NM	419.3 GWh	4
#2,016	Otero County, CO	3.9 GWh	3
#202	Otoe County, NE	6.8 TWh	4
#2,042	Otsego County, NY	3.0 GWh	3
#945	Otsego County, MI	541.2 GWh	4
#54	Ottawa County, MI	13.9 TWh	14
#172	Ottawa County, OH	7.8 TWh	3
#2,134	Ottawa County, KS	99.0 MWh	1
#1,532	Otter Tail County, MN	84.6 GWh	5
#1,649	Ouachita County, AR	48.8 GWh	3
#158	Ouachita Parish, LA	8.3 TWh	7
#1,819	Ouray County, CO	16.5 GWh	1
#313	Outagamie County, WI	4.2 TWh	15

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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