Oconee

7800 Rochester Hwy, Seneca, SC 29672

Plant Summary Information

Oconee is ranked #5 out of 13,081 power plants nationwide in terms of total annual net electricity generation.

Oconee is comprised of 3 generators and generated 5.4 TWh during the 3-month period between February 2026 to May 2026.

Plant Name	Oconee
Utility Name	Duke Energy Carolinas, LLC
Location	Oconee County, SC
Initial Operation Date	July 1973
Last Update	May 2026
Annual Generation	22.0 TWh
Annual Consumption	250.0 M MMBtu
Ranked #5 out of 13,081 Power Plants Nationwide
Ranked #5 out of 54 Nuclear Power Plants Nationwide
Ranked #1 out of 202 South Carolina Power Plants
Ranked #1 out of 4 South Carolina Nuclear Power Plants
Fuel Types	Nuclear

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Summary Information
Plant Name	Oconee (3265)
Plant Address	7800 Rochester Hwy, Seneca, SC 29672
Utility	Duke Energy Carolinas, LLC (5416)
Latitude, Longitude	34.7939, -82.8986
Generation Dates on File	Jan 2001 to May 2026
Initial Operation Date	July 1973
Annual Generation	22.0 TWh
Fuel Types	Nuclear

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	SERC
Balancing Authority	Duke Energy Carolinas (DUK)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Keowee River
Ash Impoundment	No
Transmission / Distribution Owner	Duke Energy Carolinas, LLC (5416) SC
Grid Voltage	500.00 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Status	Operating
First Operation Date	July 1973
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Nuclear
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Multiple Fuels	No
Cofire Fuels	No

Status	Operating
First Operation Date	December 1974
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Nuclear
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Multiple Fuels	No
Cofire Fuels	No

Status	Operating
First Operation Date	September 1974
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Nuclear
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Multiple Fuels	No
Cofire Fuels	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Nuclear.

Rank	Plant Name	Plant Location	Annual Generation
#1	Vogtle	Waynesboro, GA	37.0 TWh
#2	Palo Verde	Wintersburg, AZ	31.2 TWh
#3	Browns Ferry	Decatur, AL	30.8 TWh
#4	Peach Bottom	Delta, PA	22.0 TWh
#6	South Texas Project	Wadsworth, TX	20.6 TWh
#7	Comanche Peak	Glen Rose, TX	20.0 TWh
#8	Watts Bar Nuclear Plant	Spring City, TN	19.7 TWh
#9	Byron Generating Station	Byron, IL	19.6 TWh
#10	Braidwood Generation Station	Braceville, IL	19.6 TWh
#11	Limerick	Sanatoga, PA	19.4 TWh
#12	TalenEnergy Susquehanna	Berwick, PA	19.3 TWh
#13	PSEG Salem Generating Station	Hancocks Bridge, NJ	19.3 TWh
#14	McGuire	Huntersville, NC	19.0 TWh
#15	Donald C Cook	Bridgman, MI	18.5 TWh
#16	LaSalle Generating Station	Marseilles, IL	18.5 TWh
#17	Diablo Canyon	Avila Beach, CA	18.4 TWh
#18	Catawba	York, SC	18.3 TWh
#19	Millstone	Waterford, CT	17.2 TWh
#20	Sequoyah	Soddy Daisy, TN	17.1 TWh
#21	North Anna	Mineral, VA	15.8 TWh

Below are closest 20 power plants surrounding Oconee.

Plant Name	Plant Location	Annual Generation	Distance
Ace Solar	Piedmont, SC	2.0 GWh	21.7 mi
Adams	Piedmont, SC	4.3 GWh	22.1 mi
Anderson (SC)	Anderson, SC	4.2 GWh	24.3 mi
Bluebird Solar SC LLC	Pendleton, SC	6.6 GWh	16.2 mi
Central Energy Facility	Clemson, SC	2.0 MWh	8.6 mi
Duke Energy CHP at Clemson University	Clemson, SC	103.1 GWh	9.1 mi
Franklin Milliken	Lavonia, GA	6.4 GWh	26.9 mi
Keowee	Seneca, SC	44.3 GWh	0.7 mi
Pelzer Lower	Williamston, SC	3.8 GWh	28.4 mi
Pelzer Solar I	Pelzer, SC	2.0 GWh	24.4 mi
Pelzer Upper	Petzer, SC	3.8 GWh	27.3 mi
Piedmont Hydro Power Project	Piedmont, SC	4.8 GWh	25.6 mi
Saluda Dam	Greenville, SC	5.2 GWh	23.9 mi
Seneca City of	Seneca, SC	728.0 MWh	8 mi
Tallulah Falls	Tallulah Falls, GA	106.2 GWh	28.5 mi
Tugalo	Tallulah Falls, GA	93.9 GWh	26.3 mi
Valenite	Westminster, SC	105.0 MWh	12.3 mi
White Horse Solar A	Greenville, SC	3.3 GWh	28.4 mi
Whitt Solar	Piedmont, SC	3.7 GWh	21.8 mi
Yonah	Toccoa, GA	35.4 GWh	26.3 mi