Electricity Generation Aggregated by U.S. County

National Rank	County	Net Generation (Past Year)	Power Plants
#1,268	Orleans County, VT	249.2 GWh	7
#1,424	Orleans Parish, LA	147.6 GWh	9
#986	Osage County, OK	495.0 GWh	4
#2,071	Osage County, KS	3.0 GWh	3
#2,181	Osborne County, KS	30.4 MWh	1
#1,691	Osceola County, MI	42.7 GWh	2
#275	Osceola County, FL	4.9 TWh	12
#892	Osceola County, IA	619.1 GWh	8
#1,748	Oscoda County, MI	31.7 GWh	2
#8	Oswego County, NY	30.2 TWh	36
#1,085	Otero County, NM	412.0 GWh	6
#2,048	Otero County, CO	3.7 GWh	4
#176	Otoe County, NE	7.7 TWh	4
#775	Otsego County, MI	834.9 GWh	4
#1,996	Otsego County, NY	6.0 GWh	5
#2,165	Ottawa County, KS	74.0 MWh	1
#191	Ottawa County, OH	7.1 TWh	3
#80	Ottawa County, MI	12.0 TWh	14
#1,562	Otter Tail County, MN	85.3 GWh	5
#1,745	Ouachita County, AR	32.1 GWh	3
#140	Ouachita Parish, LA	8.8 TWh	8
#1,960	Ouray County, CO	7.5 GWh	1
#283	Outagamie County, WI	4.8 TWh	15
#2,105	Overton County, TN	1.9 GWh	1
#1,106	Owyhee County, ID	400.5 GWh	3
#550	Oxford County, ME	1.7 TWh	24
#211	Ozaukee County, WI	6.7 TWh	2
#1,933	Page County, VA	9.7 GWh	2
#1,092	Page County, IA	405.2 GWh	2
#12	Palm Beach County, FL	27.2 TWh	11
#600	Palo Alto County, IA	1.5 TWh	5
#1,011	Palo Pinto County, TX	469.9 GWh	3
#1,849	Pamlico County, NC	16.6 GWh	2
#270	Panola County, MS	5.0 TWh	6
#1,807	Park County, CO	21.9 GWh	1
#1,468	Park County, WY	123.0 GWh	6
#1,829	Parker County, TX	18.8 GWh	4
#770	Parmer County, TX	840.8 GWh	4
#406	Pasco County, FL	3.0 TWh	7
#1,624	Pasquotank County, NC	64.9 GWh	5
#1,651	Passaic County, NJ	55.6 GWh	7
#1,809	Patrick County, VA	21.8 GWh	1
#597	Paulding County, OH	1.5 TWh	10
#562	Payette County, ID	1.7 TWh	1
#1,502	Payne County, OK	107.8 GWh	6
#1,813	Peach County, GA	20.7 GWh	2
#233	Pecos County, TX	6.0 TWh	41
#1,689	Pembina County, ND	42.8 GWh	3
#291	Pend Oreille County, WA	4.6 TWh	3
#1,275	Pender County, NC	243.4 GWh	9
#1,794	Pendleton County, KY	24.0 GWh	1
#2,075	Pennington County, MN	2.7 GWh	1
#1,043	Pennington County, SD	440.6 GWh	3
#442	Penobscot County, ME	2.6 TWh	51
#1,549	Peoria County, IL	89.1 GWh	21
#883	Perquimans County, NC	637.3 GWh	10
#1,096	Perry County, IL	404.1 GWh	8
#1,065	Perry County, MS	428.8 GWh	1
#1,994	Perry County, IN	6.1 GWh	2
#1,736	Perry County, OH	32.9 GWh	1
#2,095	Perry County, PA	2.1 GWh	1
#1,514	Pershing County, NV	101.1 GWh	2
#153	Person County, NC	8.2 TWh	11
#1,869	Petersburg Borough, AK	14.4 GWh	1
#2,037	Phelps County, MO	4.1 GWh	2
#675	Philadelphia County, PA	1.2 TWh	17
#993	Phillips County, AR	490.1 GWh	3
#736	Piatt County, IL	949.4 GWh	5
#747	Pickaway County, OH	922.5 GWh	6
#483	Pierce County, WA	2.1 TWh	14
#1,161	Pierce County, ND	348.1 GWh	1
#2,197	Pierce County, NE	2.0 MWh	2
#2,060	Pierce County, WI	3.4 GWh	2
#2,035	Pierce County, GA	4.1 GWh	2
#2,070	Pike County, AR	3.0 GWh	1
#284	Pike County, IN	4.8 TWh	8
#1,346	Pike County, MO	192.1 GWh	3
#1,412	Pike County, IL	151.5 GWh	5
#399	Pima County, AZ	3.1 TWh	42
#217	Pinal County, AZ	6.4 TWh	28
#1,997	Pine County, MN	6.0 GWh	2
#219	Pinellas County, FL	6.3 TWh	6
#677	Pipestone County, MN	1.2 TWh	29
#972	Piscataquis County, ME	506.7 GWh	4
#1,915	Pitkin County, CO	11.1 GWh	2
#1,631	Pitt County, NC	63.3 GWh	13
#249	Pittsburg County, OK	5.5 TWh	2
#1,128	Pittsylvania County, VA	376.1 GWh	19
#539	Placer County, CA	1.8 TWh	26
#1,525	Plaquemines Parish, LA	97.8 GWh	3
#1,039	Platte County, NE	442.4 GWh	5
#161	Platte County, WY	8.1 TWh	3
#263	Platte County, MO	5.3 TWh	2
#371	Pleasants County, WV	3.4 TWh	4
#472	Plumas County, CA	2.2 TWh	13
#818	Plymouth County, IA	758.6 GWh	1
#789	Plymouth County, MA	805.9 GWh	86
#632	Pocahontas County, IA	1.3 TWh	4
#486	Pointe Coupee Parish, LA	2.1 TWh	6
#495	Polk County, IA	2.0 TWh	9

Net Generation data is based on the last 12 months since Jul 2026

Top 20 U.S. Counties by Net Generation

Totals are based on the most recent 12 months net generation

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