Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,636	Napa County, CA	51.0 GWh	9
#925	Nash County, NC	570.0 GWh	40
#442	Nassau County, NY	2.6 TWh	24
#653	Nassau County, FL	1.2 TWh	5
#1,094	Natchitoches Parish, LA	370.6 GWh	2
#875	Natrona County, WY	627.5 GWh	4
#245	Naugatuck Valley Planning Region, CT	5.6 TWh	17
#529	Navajo County, AZ	1.8 TWh	8
#470	Navarro County, TX	2.3 TWh	15
#227	Nemaha County, NE	6.2 TWh	2
#709	Nemaha County, KS	1.0 TWh	2
#668	Neosho County, KS	1.2 TWh	8
#772	Ness County, KS	814.4 GWh	1
#1,275	Nevada County, CA	219.1 GWh	12
#336	New Castle County, DE	3.8 TWh	19
#371	New Hanover County, NC	3.4 TWh	5
#1,737	New Kent County, VA	29.0 GWh	2
#207	New Madrid County, MO	6.6 TWh	1
#454	New York County, NY	2.5 TWh	18
#1,488	Newaygo County, MI	101.1 GWh	3
#1,963	Newberry County, SC	5.8 GWh	2
#545	Newport County, RI	1.7 TWh	10
#260	Newton County, TX	5.3 TWh	2
#1,014	Nez Perce County, ID	451.0 GWh	1
#46	Niagara County, NY	15.0 TWh	26
#1,392	Nicholas County, WV	143.7 GWh	1
#1,723	Nicollet County, MN	31.9 GWh	9
#358	Noble County, OK	3.5 TWh	3
#518	Nobles County, MN	1.9 TWh	11
#590	Nodaway County, MO	1.5 TWh	5
#225	Nolan County, TX	6.3 TWh	21
#1,642	Nome Census Area, AK	49.6 GWh	10
#2,083	Norfolk city, VA	1.4 GWh	1
#184	Norfolk County, MA	7.3 TWh	38
#2,157	Norman County, MN	11.0 MWh	1
#1,410	North Slope Borough, AK	134.5 GWh	14
#839	Northampton County, NC	701.9 GWh	17
#58	Northampton County, PA	13.3 TWh	11
#1,731	Northampton County, VA	30.6 GWh	2
#228	Northeastern Connecticut Planning Region, CT	6.2 TWh	17
#1,484	Northumberland County, PA	102.3 GWh	6
#1,719	Northwest Arctic Borough, AK	32.3 GWh	8
#1,557	Northwest Hills Planning Region, CT	73.7 GWh	15
#181	Nueces County, TX	7.5 TWh	22
#1,100	Nye County, NV	367.3 GWh	7
#450	O'Brien County, IA	2.5 TWh	3
#1,724	Oakland County, MI	31.9 GWh	7
#1,362	Obion County, TN	164.0 GWh	1
#908	Ocean County, NJ	590.3 GWh	23
#824	Ochiltree County, TX	731.3 GWh	1
#18	Oconee County, SC	22.1 TWh	4
#1,797	Oconto County, WI	19.0 GWh	3
#26	Ogle County, IL	19.8 TWh	12
#1,506	Oglethorpe County, GA	93.3 GWh	2
#457	Ohio County, KY	2.5 TWh	1
#1,102	Okaloosa County, FL	365.2 GWh	3
#65	Okeechobee County, FL	12.7 TWh	10
#1,996	Okfuskee County, OK	4.3 GWh	1
#232	Oklahoma County, OK	6.1 TWh	5
#446	Oldham County, TX	2.5 TWh	5
#1,448	Oldham County, KY	112.5 GWh	1
#277	Oliver County, ND	4.9 TWh	4
#1,190	Olmsted County, MN	282.0 GWh	19
#1,113	Oneida County, NY	357.8 GWh	38
#1,760	Oneida County, WI	24.8 GWh	3
#984	Onondaga County, NY	480.9 GWh	37
#1,605	Onslow County, NC	58.9 GWh	11
#1,450	Ontario County, NY	111.7 GWh	20
#1,753	Ontonagon County, MI	26.1 GWh	2
#1,774	Orange County, VT	21.8 GWh	5
#1,438	Orange County, VA	117.2 GWh	1
#1,518	Orange County, NC	86.7 GWh	7
#106	Orange County, FL	9.9 TWh	13
#241	Orange County, NY	5.6 TWh	53
#409	Orange County, CA	2.9 TWh	59
#190	Orange County, TX	6.9 TWh	7
#476	Orangeburg County, SC	2.3 TWh	17
#1,677	Orleans County, NY	40.4 GWh	12
#1,214	Orleans County, VT	261.3 GWh	7
#1,290	Orleans Parish, LA	204.7 GWh	8
#929	Osage County, OK	566.4 GWh	4
#2,146	Osage County, KS	43.8 MWh	3
#2,152	Osborne County, KS	15.7 MWh	1
#1,705	Osceola County, MI	34.4 GWh	2
#283	Osceola County, FL	4.8 TWh	10
#876	Osceola County, IA	627.2 GWh	8
#1,720	Oscoda County, MI	32.1 GWh	2
#7	Oswego County, NY	29.8 TWh	33
#1,055	Otero County, NM	418.3 GWh	4
#2,010	Otero County, CO	3.9 GWh	3
#211	Otoe County, NE	6.6 TWh	4
#2,034	Otsego County, NY	3.0 GWh	3
#945	Otsego County, MI	541.2 GWh	4
#173	Ottawa County, OH	7.8 TWh	3
#51	Ottawa County, MI	14.5 TWh	14
#2,129	Ottawa County, KS	99.0 MWh	1
#1,532	Otter Tail County, MN	84.1 GWh	5
#1,644	Ouachita County, AR	48.8 GWh	3
#150	Ouachita Parish, LA	8.3 TWh	7
#1,811	Ouray County, CO	17.0 GWh	1

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

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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