Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,018	Onondaga County, NY	456.1 GWh	37
#1,125	Oneida County, NY	357.7 GWh	38
#1,767	Oneida County, WI	25.3 GWh	3
#1,204	Olmsted County, MN	278.3 GWh	19
#275	Oliver County, ND	4.9 TWh	4
#446	Oldham County, TX	2.5 TWh	5
#1,453	Oldham County, KY	112.5 GWh	1
#257	Oklahoma County, OK	5.3 TWh	5
#2,001	Okfuskee County, OK	4.3 GWh	1
#63	Okeechobee County, FL	13.1 TWh	10
#1,099	Okaloosa County, FL	384.6 GWh	3
#483	Ohio County, KY	2.2 TWh	1
#1,404	Oglethorpe County, GA	138.3 GWh	2
#24	Ogle County, IL	19.9 TWh	12
#1,806	Oconto County, WI	19.0 GWh	3
#20	Oconee County, SC	22.0 TWh	4
#743	Ochiltree County, TX	904.2 GWh	1
#912	Ocean County, NJ	589.7 GWh	23
#1,371	Obion County, TN	159.3 GWh	1
#1,732	Oakland County, MI	31.9 GWh	7
#464	O'Brien County, IA	2.3 TWh	3
#1,122	Nye County, NV	360.0 GWh	7
#184	Nueces County, TX	7.3 TWh	22
#1,563	Northwest Hills Planning Region, CT	73.2 GWh	15
#1,727	Northwest Arctic Borough, AK	32.3 GWh	8
#1,444	Northumberland County, PA	117.0 GWh	6
#230	Northeastern Connecticut Planning Region, CT	6.2 TWh	17
#60	Northampton County, PA	13.4 TWh	11
#1,739	Northampton County, VA	30.6 GWh	2
#848	Northampton County, NC	679.2 GWh	17
#1,412	North Slope Borough, AK	134.5 GWh	14
#2,159	Norman County, MN	11.0 MWh	1
#180	Norfolk County, MA	7.4 TWh	38
#2,089	Norfolk city, VA	1.4 GWh	1
#1,650	Nome Census Area, AK	49.6 GWh	10
#224	Nolan County, TX	6.3 TWh	21
#597	Nodaway County, MO	1.5 TWh	5
#516	Nobles County, MN	1.9 TWh	11
#339	Noble County, OK	3.8 TWh	3
#1,731	Nicollet County, MN	31.9 GWh	9
#1,396	Nicholas County, WV	143.7 GWh	1
#50	Niagara County, NY	14.5 TWh	26
#1,011	Nez Perce County, ID	465.0 GWh	1
#301	Newton County, TX	4.4 TWh	2
#552	Newport County, RI	1.7 TWh	10
#1,969	Newberry County, SC	5.8 GWh	2
#1,492	Newaygo County, MI	101.1 GWh	3
#444	New York County, NY	2.6 TWh	18
#203	New Madrid County, MO	6.7 TWh	2
#1,747	New Kent County, VA	29.0 GWh	2
#361	New Hanover County, NC	3.5 TWh	5
#319	New Castle County, DE	4.0 TWh	19
#1,275	Nevada County, CA	219.1 GWh	12
#774	Ness County, KS	814.4 GWh	1
#676	Neosho County, KS	1.2 TWh	8
#714	Nemaha County, KS	1.0 TWh	2
#195	Nemaha County, NE	6.9 TWh	2
#467	Navarro County, TX	2.3 TWh	15
#535	Navajo County, AZ	1.8 TWh	8
#260	Naugatuck Valley Planning Region, CT	5.3 TWh	17
#821	Natrona County, WY	742.3 GWh	4
#445	Nassau County, NY	2.5 TWh	24
#642	Nassau County, FL	1.3 TWh	5
#906	Nash County, NC	599.4 GWh	41
#1,644	Napa County, CA	51.0 GWh	9
#1,211	Nacogdoches County, TX	270.2 GWh	2
#380	Muskogee County, OK	3.4 TWh	3
#313	Muskingum County, OH	4.2 TWh	2
#1,646	Muskegon County, MI	50.5 GWh	4
#1,270	Muscogee County, GA	225.3 GWh	4
#800	Muscatine County, IA	772.9 GWh	6
#758	Murray County, MN	863.0 GWh	18
#152	Murray County, GA	8.3 TWh	4
#536	Murray County, OK	1.8 TWh	6
#332	Multnomah County, OR	3.9 TWh	7
#166	Muhlenberg County, KY	7.9 TWh	2
#471	Mower County, MN	2.3 TWh	10
#2,119	Moultrie County, IL	334.0 MWh	1
#1,426	Motley County, TX	127.5 GWh	1
#436	Morton County, ND	2.6 TWh	10
#127	Morrow County, OR	9.1 TWh	22
#1,423	Morrison County, MN	128.5 GWh	3
#1,548	Morris County, NJ	78.2 GWh	16
#1,096	Morgan County, IL	385.8 GWh	8
#1,836	Morgan County, UT	14.9 GWh	1
#247	Morgan County, IN	5.6 TWh	1
#161	Morgan County, AL	8.1 TWh	3
#565	Morgan County, CO	1.7 TWh	11
#876	Morehouse Parish, LA	629.2 GWh	5
#1,373	Moore County, TX	158.0 GWh	7
#1,527	Moore County, NC	86.4 GWh	12
#942	Montrose County, CO	549.6 GWh	10
#293	Montour County, PA	4.6 TWh	2
#174	Montgomery County, TX	7.8 TWh	10
#623	Montgomery County, OH	1.4 TWh	7
#23	Montgomery County, PA	20.0 TWh	13
#1,422	Montgomery County, KS	128.5 GWh	2
#814	Montgomery County, GA	748.9 GWh	2
#1,219	Montgomery County, NY	262.7 GWh	18
#1,518	Montgomery County, IL	88.2 GWh	3

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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