Gila River Power Block 3

1250 East Watermelon Road, Gila Bend, AZ 85337

Plant Summary Information

Gila River Power Block 3 is ranked #12 out of 165 power plants in Arizona in terms of total annual net electricity generation.

Gila River Power Block 3 is comprised of 3 generators and generated 405.1 GWh during the 3-month period between January 2025 to April 2025.

Plant NameGila River Power Block 3
Utility NameSalt River Project
LocationMaricopa County, AZ
Initial Operation DateJune 2003
Last Update Apr 2025
Annual Generation 2.9 TWh
Annual Consumption 22.5 M MMBtu
Ranked #398 out of 12,299 Power Plants Nationwide
Ranked #238 out of 2,221 Natural Gas Power Plants Nationwide
Ranked #12 out of 165 Arizona Power Plants
Ranked #10 out of 35 Arizona Natural Gas Power Plants
Fuel Types Natural Gas
Previous Operator Tucson Electric Power Co (2014 to 2018)
Salt River Project (2019 to 2024)

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Monthly Net Generation for Gila River Power Block 3

Gila River Power Block 3 Details

Summary Information
Plant NameGila River Power Block 3 (59784)
Plant Address1250 East Watermelon Road, Gila Bend, AZ 85337
UtilitySalt River Project (16572)
Latitude, Longitude32.975, -112.6944
Generation Dates on FileDec 2014 to Apr 2025
Initial Operation DateJune 2003
Annual Generation 2.9 TWh
Fuel Types Natural Gas
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusYes
FERC Exempt Wholesale Generator Docket Number00-84-000
Regulatory Information
Regulatory StatusRegulated
NERC RegionWECC
Balancing AuthorityTucson Electric Power Company (TEPC)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceWells
Ash Impoundment No
Transmission / Distribution OwnerSalt River Project (16572) AZ
Grid Voltage 500.00 kV / 230.00 kV
Energy StorageNo
 
Natural Gas Information
Pipeline Name TRANSWESTERN PIPELINE COMPANY
EL PASO NATURAL GAS COMPANY LLC
Natural Gas StorageNo

Generator CTG5 Details Operating June 2003

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodeBL03
OwnershipJointly Owned
Can Bypass Heat Recovery Steam GeneratorYes
Nameplate Capacity174 MW
Nameplate Power Factor0.85
Summer Capacity164 MW
Winter Capacity184 MW
Minimum Load70 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 2003
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Other Planned ModificationsNo
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator CTG6 Details Operating June 2003

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodeBL03
OwnershipJointly Owned
Can Bypass Heat Recovery Steam GeneratorYes
Nameplate Capacity174 MW
Nameplate Power Factor0.85
Summer Capacity164 MW
Winter Capacity184 MW
Minimum Load70 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 2003
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Other Planned ModificationsNo
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator ST11 Details Operating June 2003

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Steam Part
Unit CodeBL03
OwnershipJointly Owned
Duct BurnersYes
Nameplate Capacity271 MW
Nameplate Power Factor0.85
Summer Capacity242 MW
Winter Capacity249 MW
Minimum Load70 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 2003
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Startup SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Subcritical TechnologyNo
Other Planned ModificationsNo
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Gila River Power Block 3 Plant Owners

Owner NameAddressGeneratorOwnership
UNS Electric, Inc88 East Broadway, Tucson, AZ 85701Generator CTG525.00%
Tucson Electric Power Co88 East Broadway, Tucson, AZ 85701Generator CTG575.00%
UNS Electric, Inc88 East Broadway, Tucson, AZ 85701Generator CTG625.00%
Tucson Electric Power Co88 East Broadway, Tucson, AZ 85701Generator CTG675.00%
UNS Electric, Inc88 East Broadway, Tucson, AZ 85701Generator ST1125.00%
Tucson Electric Power Co88 East Broadway, Tucson, AZ 85701Generator ST1175.00%

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Natural Gas.

RankPlant NamePlant LocationAnnual Generation
#228Carville Energy LLCSt Gabriel, LA3.0 TWh
#229R D MorrowPurvis, MS3.0 TWh
#230ANP Bellingham Energy ProjectBellingham, MA3.0 TWh
#231Westbrook Energy Center Power PlantWestbrook, ME3.0 TWh
#232Hinds Energy FacilityJackson, MS3.0 TWh
#233Delta Energy CenterPittsburg, CA3.0 TWh
#234Port WestwardClatskanie, OR3.0 TWh
#235Cedar BayouBaytown, TX2.9 TWh
#236GRECChouteau, OK3.8 TWh
#237SilverhawkNorth Las Vegas, NV2.9 TWh
#239Hobbs Generating StationHobbs, NM2.9 TWh
#240Jack WatsonGulfport, MS2.9 TWh
#241Rocky Mountain Energy CenterKeenesburg, CO2.9 TWh
#242Eastman Cogeneration FacilityLongview, TX2.9 TWh
#243Higgins Generating StationPrimm, NV2.9 TWh
#244Whiting Clean EnergyWhiting, IN2.9 TWh
#245Wildcat Point Generation FacilityConowingo, MD2.9 TWh
#246Chattahoochee Energy FacilityFranklin, GA2.8 TWh
#247Harrison County Power ProjectMarshall, TX2.8 TWh
#248Granite RidgeLondonderry, NH2.8 TWh

Nearby Power Plants

Below are closest 20 power plants surrounding Gila River Power Block 3.

Plant NamePlant LocationAnnual GenerationDistance
AgaveArlington, AZ208.2 GWh25.5 mi
Arlington Valley Solar Energy IIArlington, AZ341.2 GWh24.2 mi
Cotton Center Solar HybridGila Bend, AZ36.5 GWh4.5 mi
Desert Star HybridBuckeye, AZ29.2 GWh11.9 mi
Gila Bend HybridGila Bend, AZ84.7 GWh11.1 mi
Gila River Power Block 1Gila Bend, AZ1.8 TWh0 mi
Gila River Power Block 2Gila Bend, AZ3.1 TWh0 mi
Gila River Power Block 4Gila Bend, AZ2.8 TWh0 mi
Mesquite Generating Station Block 1Arlington, AZ3.5 TWh27.4 mi
Mesquite Generating Station Block 2Arlington, AZ4.1 TWh27.4 mi
Mesquite Solar 5, LLCTonopah, AZ127.2 GWh27.4 mi
Paloma Solar HybridGila Bend, AZ31.9 GWh3.7 mi
RE Gillespie 1 LLCGila Bend, AZ36.8 GWh3.9 mi
Red HawkArlington, AZ4.2 TWh26.2 mi
Solana Generating StationGila Bend, AZ838.8 GWh15.6 mi
Sonoran Solar EnergyBuckeye, AZ1.1 TWh20.9 mi
Sun Streams 2Hassayampa, AZ320.9 GWh24.9 mi
Sun Streams 3Arlington, AZ671.0 GWh25.6 mi
Sun Streams 4Tonopah, AZ138.2 GWh27.1 mi
Sun Streams, LLCArlington, AZ407.2 GWh27.1 mi