Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,607	Onslow County, NC	58.9 GWh	11
#1,014	Onondaga County, NY	459.1 GWh	37
#1,123	Oneida County, NY	357.7 GWh	38
#1,767	Oneida County, WI	24.9 GWh	3
#1,202	Olmsted County, MN	279.3 GWh	19
#278	Oliver County, ND	4.9 TWh	4
#449	Oldham County, TX	2.5 TWh	5
#1,453	Oldham County, KY	112.5 GWh	1
#249	Oklahoma County, OK	5.5 TWh	5
#2,002	Okfuskee County, OK	4.3 GWh	1
#63	Okeechobee County, FL	13.1 TWh	10
#1,091	Okaloosa County, FL	387.0 GWh	3
#462	Ohio County, KY	2.3 TWh	1
#1,435	Oglethorpe County, GA	122.0 GWh	2
#23	Ogle County, IL	19.9 TWh	12
#1,801	Oconto County, WI	19.0 GWh	3
#20	Oconee County, SC	21.9 TWh	4
#768	Ochiltree County, TX	839.4 GWh	1
#912	Ocean County, NJ	589.6 GWh	23
#1,369	Obion County, TN	160.4 GWh	1
#1,727	Oakland County, MI	31.9 GWh	7
#457	O'Brien County, IA	2.4 TWh	3
#1,126	Nye County, NV	354.5 GWh	7
#179	Nueces County, TX	7.5 TWh	22
#1,558	Northwest Hills Planning Region, CT	73.3 GWh	15
#1,722	Northwest Arctic Borough, AK	32.3 GWh	8
#1,447	Northumberland County, PA	115.3 GWh	6
#228	Northeastern Connecticut Planning Region, CT	6.2 TWh	17
#62	Northampton County, PA	13.2 TWh	11
#1,735	Northampton County, VA	30.6 GWh	2
#845	Northampton County, NC	688.5 GWh	17
#1,413	North Slope Borough, AK	134.5 GWh	14
#2,160	Norman County, MN	11.0 MWh	1
#182	Norfolk County, MA	7.3 TWh	38
#2,089	Norfolk city, VA	1.4 GWh	1
#1,644	Nome Census Area, AK	49.6 GWh	10
#226	Nolan County, TX	6.2 TWh	21
#596	Nodaway County, MO	1.5 TWh	5
#511	Nobles County, MN	1.9 TWh	11
#332	Noble County, OK	3.8 TWh	3
#1,726	Nicollet County, MN	31.9 GWh	9
#1,396	Nicholas County, WV	143.7 GWh	1
#50	Niagara County, NY	14.6 TWh	26
#1,010	Nez Perce County, ID	462.9 GWh	1
#297	Newton County, TX	4.6 TWh	2
#552	Newport County, RI	1.7 TWh	10
#1,969	Newberry County, SC	5.8 GWh	2
#1,488	Newaygo County, MI	101.1 GWh	3
#446	New York County, NY	2.6 TWh	18
#203	New Madrid County, MO	6.8 TWh	2
#1,743	New Kent County, VA	29.0 GWh	2
#364	New Hanover County, NC	3.5 TWh	5
#327	New Castle County, DE	4.0 TWh	19
#1,276	Nevada County, CA	219.1 GWh	12
#776	Ness County, KS	814.4 GWh	1
#680	Neosho County, KS	1.1 TWh	8
#196	Nemaha County, NE	6.9 TWh	2
#715	Nemaha County, KS	1.0 TWh	2
#470	Navarro County, TX	2.3 TWh	15
#533	Navajo County, AZ	1.8 TWh	8
#263	Naugatuck Valley Planning Region, CT	5.2 TWh	17
#825	Natrona County, WY	733.9 GWh	4
#645	Nassau County, FL	1.3 TWh	5
#443	Nassau County, NY	2.6 TWh	24
#907	Nash County, NC	594.5 GWh	41
#1,640	Napa County, CA	51.0 GWh	9
#1,236	Nacogdoches County, TX	250.7 GWh	2
#372	Muskogee County, OK	3.5 TWh	3
#311	Muskingum County, OH	4.2 TWh	2
#1,665	Muskegon County, MI	43.7 GWh	4
#1,266	Muscogee County, GA	225.3 GWh	4
#811	Muscatine County, IA	751.1 GWh	6
#755	Murray County, MN	874.6 GWh	18
#155	Murray County, GA	8.3 TWh	4
#543	Murray County, OK	1.8 TWh	6
#347	Multnomah County, OR	3.7 TWh	7
#163	Muhlenberg County, KY	8.2 TWh	2
#475	Mower County, MN	2.3 TWh	10
#2,122	Moultrie County, IL	284.0 MWh	1
#1,510	Motley County, TX	91.7 GWh	1
#435	Morton County, ND	2.6 TWh	10
#127	Morrow County, OR	9.1 TWh	22
#1,421	Morrison County, MN	128.5 GWh	3
#1,545	Morris County, NJ	78.2 GWh	16
#1,090	Morgan County, IL	387.0 GWh	8
#1,832	Morgan County, UT	14.9 GWh	1
#571	Morgan County, CO	1.6 TWh	11
#157	Morgan County, AL	8.3 TWh	3
#246	Morgan County, IN	5.6 TWh	1
#874	Morehouse Parish, LA	639.9 GWh	5
#1,372	Moore County, TX	158.0 GWh	7
#1,524	Moore County, NC	86.4 GWh	12
#941	Montrose County, CO	549.6 GWh	10
#293	Montour County, PA	4.7 TWh	2
#22	Montgomery County, PA	20.0 TWh	13
#174	Montgomery County, TX	7.7 TWh	10
#624	Montgomery County, OH	1.4 TWh	7
#1,216	Montgomery County, NY	267.2 GWh	18
#812	Montgomery County, GA	751.1 GWh	2
#1,530	Montgomery County, IL	85.1 GWh	3

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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