South Texas Project

8 mi. W. of Wadsworth on FM521, Wadsworth, TX 77483

Plant Summary Information

South Texas Project is ranked #6 out of 11,249 power plants nationwide in terms of total annual net electricity generation.

South Texas Project is comprised of 2 generators and generated 7.0 TWh during the 3-month period between December 2023 to March 2024.

Plant NameSouth Texas Project
Utility NameSTP Nuclear Operating Co
LocationMatagorda County, TX
Initial Operation DateAugust 1988
Last Update Mar 2024
Annual Generation 23.0 TWh
Annual Consumption 240.3 M MMBtu
Ranked #6 out of 11,249 Power Plants Nationwide
Ranked #6 out of 54 Nuclear Power Plants Nationwide
Ranked #1 out of 721 Texas Power Plants
Ranked #1 out of 2 Texas Nuclear Power Plants
Fuel Types Nuclear

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Monthly Net Generation for South Texas Project

South Texas Project Details

Summary Information
Plant NameSouth Texas Project (6251)
Plant Address8 mi. W. of Wadsworth on FM521 Wadsworth, TX 77483
UtilitySTP Nuclear Operating Co (21535)
Latitude, Longitude28.795, -96.0481
Generation Dates on FileJan 2001 to Mar 2024
Initial Operation DateAugust 1988
Annual Generation 23.0 TWh
Fuel Types Nuclear
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusNon-Regulated
NERC RegionTRE
Balancing AuthorityElectric Reliability Council of Texas, Inc. (ERCO)
NAICS CodeUtilities (22)
Sector IPP Non-CHP (2)
Water SourceColorado River
Ash Impoundment
Transmission / Distribution OwnerAustin Energy (1015) TX
Grid Voltage 256.00 kV
Energy StorageNo

Generator 1 Details Operating August 1988

TechnologyNuclear
Prime MoverSteam Turbine
OwnershipJointly Owned
Nameplate Capacity1354.3 MW
Nameplate Power Factor0.9
Summer Capacity1300 MW
Winter Capacity1340 MW
Minimum Load1280 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateAugust 1988
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceNuclear
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full LoadOVER
Pulverized Coal TechnologyNo
Multiple FuelsNo

Generator 2 Details Operating June 1989

TechnologyNuclear
Prime MoverSteam Turbine
OwnershipJointly Owned
Nameplate Capacity1354.3 MW
Nameplate Power Factor0.9
Summer Capacity1280 MW
Winter Capacity1320 MW
Minimum Load1280 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 1989
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceNuclear
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full LoadOVER
Multiple FuelsNo

South Texas Project Plant Owners

Owner NameAddressGeneratorOwnership
Austin EnergyP O Box 1088, Austin, TX 78767Generator 116.00%
City of San Antonio - (TX)500 McCullough, San Antonio, TX 78215Generator 140.00%
NRG Texas Power LLC910 Louisiana St., Houston, TX 77002Generator 144.00%
Austin EnergyP O Box 1088, Austin, TX 78767Generator 216.00%
City of San Antonio - (TX)500 McCullough, San Antonio, TX 78215Generator 240.00%
NRG Texas Power LLC910 Louisiana St., Houston, TX 77002Generator 244.00%

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Nuclear.

RankPlant NamePlant LocationAnnual Generation
#1Palo VerdeWintersburg, AZ34.5 TWh
#2Browns FerryDecatur, AL32.8 TWh
#3VogtleWaynesboro, GA27.8 TWh
#4OconeeSeneca, SC24.3 TWh
#5Peach BottomDelta, PA24.1 TWh
#7Braidwood Generation StationBraceville, IL21.9 TWh
#8Byron Generating StationByron, IL21.3 TWh
#9LaSalle Generating StationMarseilles, IL21.0 TWh
#10SequoyahSoddy Daisy, TN20.7 TWh
#11LimerickSanatoga, PA20.7 TWh
#12CatawbaYork, SC20.5 TWh
#13TalenEnergy SusquehannaBerwick, PA20.5 TWh
#14Comanche PeakGlen Rose, TX20.5 TWh
#15Watts Bar Nuclear PlantSpring City, TN20.4 TWh
#16McGuireHuntersville, NC20.2 TWh
#17PSEG Salem Generating StationHancocks Bridge, NJ20.2 TWh
#18Donald C CookBridgman, MI20.1 TWh
#19Diablo CanyonAvila Beach, CA19.5 TWh
#20St LucieJensen Beach, FL17.5 TWh
#21Brunswick NuclearSouthport, NC16.9 TWh

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