Waiau

475 Kamehamenha Hwy, Pearl City, HI 96782

Plant Summary Information

Waiau is ranked #3 out of 53 residual fuel oil power plants nationwide in terms of total annual net electricity generation.

Waiau is comprised of 8 generators and generated 282.1 GWh during the 3-month period between May 2024 to August 2024.

Plant NameWaiau
Utility NameHawaiian Electric Co Inc
LocationHonolulu County, HI
Initial Operation DateDecember 1947
Last Update Aug 2024
Annual Generation 1.1 TWh
Annual Consumption 14.4 M MMBtu
Ranked #678 out of 11,835 Power Plants Nationwide
Ranked #3 out of 53 Residual Fuel Oil Power Plants Nationwide
Ranked #3 out of 65 Hawaii Power Plants
Ranked #3 out of 5 Hawaii Residual Fuel Oil Power Plants
Fuel Types Residual Fuel Oil : 94.0% Distillate Fuel Oil : 6.0%

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Monthly Net Generation for Waiau

Waiau Details

Summary Information
Plant NameWaiau (766)
Plant Address475 Kamehamenha Hwy, Pearl City, HI 96782
UtilityHawaiian Electric Co Inc (19547)
Latitude, Longitude21.389, -157.96152
Generation Dates on FileJan 2001 to Aug 2024
Initial Operation DateDecember 1947
Annual Generation 1.1 TWh
Fuel Types Residual Fuel Oil : 94.0% Distillate Fuel Oil : 6.0%
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC Region
Balancing Authority ()
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourcePearl Harbor
Ash Impoundment
Transmission / Distribution OwnerHawaiian Electric Co Inc (19547) HI
Grid Voltage 138.00 kV
Energy StorageNo

Generator W3 Details Operating December 1947

TechnologyPetroleum Liquids
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity50 MW
Nameplate Power Factor0.8
Summer Capacity47.2 MW
Winter Capacity47.2 MW
Minimum Load20 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateDecember 1947
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceResidual Fuel Oil
Startup SourceGaseous Propane
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo

Generator W4 Details Operating October 1950

TechnologyPetroleum Liquids
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity50 MW
Nameplate Power Factor0.8
Summer Capacity47.7 MW
Winter Capacity47.7 MW
Minimum Load20 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateOctober 1950
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceResidual Fuel Oil
Startup SourceGaseous Propane
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo

Generator W5 Details Operating September 1959

TechnologyPetroleum Liquids
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity54.4 MW
Nameplate Power Factor0.8
Summer Capacity51.9 MW
Winter Capacity51.9 MW
Minimum Load23 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateSeptember 1959
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceResidual Fuel Oil
Startup SourceDistillate Fuel Oil
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo

Generator W6 Details Operating June 1961

TechnologyPetroleum Liquids
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity54.4 MW
Nameplate Power Factor0.8
Summer Capacity51.8 MW
Winter Capacity51.8 MW
Minimum Load20 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 1961
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceResidual Fuel Oil
Startup SourceDistillate Fuel Oil
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo

Generator W7 Details Operating October 1966

TechnologyPetroleum Liquids
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity81.6 MW
Nameplate Power Factor0.8
Summer Capacity77.8 MW
Winter Capacity77.8 MW
Minimum Load20 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateOctober 1966
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceResidual Fuel Oil
Startup SourceDistillate Fuel Oil
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo

Generator W8 Details Operating November 1968

TechnologyPetroleum Liquids
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity81.6 MW
Nameplate Power Factor0.8
Summer Capacity77.8 MW
Winter Capacity77.8 MW
Minimum Load20 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateNovember 1968
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceResidual Fuel Oil
Startup SourceDistillate Fuel Oil
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo

Generator W10 Details Operating December 1973

TechnologyPetroleum Liquids
Prime MoverCombustion Turbine
OwnershipSingle Owner
Nameplate Capacity51.3 MW
Nameplate Power Factor0.8
Summer Capacity51.2 MW
Winter Capacity51.2 MW
Minimum Load6 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateDecember 1973
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceDistillate Fuel Oil
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo

Generator W9 Details Operating June 1973

TechnologyPetroleum Liquids
Prime MoverCombustion Turbine
OwnershipSingle Owner
Nameplate Capacity51.3 MW
Nameplate Power Factor0.8
Summer Capacity51.2 MW
Winter Capacity51.2 MW
Minimum Load6 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 1973
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceDistillate Fuel Oil
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo

Waiau Plant Owners

Owner NameAddressGeneratorOwnership
We couldn't locate any owners for this plant

Power Plants with Similar Net Generation

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#2Kalaeloa Cogen PlantKapolei, HI1.4 TWh
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#5W H HillHilo, HI133.4 GWh
#6Inland Paperboard Packaging RomeRome, GA358.0 GWh
#7Astoria Generating StationAstoria, NY729.8 GWh
#8NorthportNorthport, NY3.4 TWh
#9Oswego Harbor PowerOswego, NY42.5 GWh
#10CanalSandwich, MA201.6 GWh
#11MiddletownMiddletown, CT169.8 GWh
#12William F Wyman HybridYarmouth, ME26.4 GWh
#13TalenEnergy Martins CreekBangor, PA1.6 TWh
#14Montville StationUncasville, CT36.2 GWh
#15Roseton Generating FacilityNewsburgh, NY268.8 GWh
#16Herbert A WagnerBaltimore, MD150.2 GWh
#17Brunswick CelluloseBrunswick, GA377.9 GWh
#18Port JeffersonPort Jefferson, NY446.7 GWh
#19Georgia-Pacific Cedar SpringsCedar Springs, GA573.3 GWh
#20Cosmo Specialty Fibers PlantCosmopolis, WA99.6 GWh
#21Somerset PlantSkowhegan, ME485.5 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Waiau.

Plant NamePlant LocationAnnual GenerationDistance
AES West Oahu Solar HybridWaipahu, HI8.5 GWh6.6 mi
Campbell Industrial ParkKapolei, HI123.4 GWh10.8 mi
H PowerKapolei, HI328.8 GWh10.8 mi
HNL Emergency Power FacilityHonolulu, HI2.5 GWh4.5 mi
KaheKapolei, HI2.6 TWh11 mi
Kalaeloa Cogen PlantKapolei, HI1.4 TWh10.5 mi
Kalaeloa Renewable Energy ParkEwa Beach, HI5.2 GWh6.6 mi
Kalaeloa Solar TwoHonolulu, HI10.3 GWh9.4 mi
Kapolei Solar Energy ParkKapolei, HI1.4 GWh11.1 mi
Lanikuhana Solar LLCMililani, HI29.6 GWh4.8 mi
Mililani South Solar FarmMililani, HI66.0 GWh4.6 mi
Pearl City Peninsula Solar ParkHonolulu, HI1.3 GWh1 mi
Schofield Generating StationSchofield Barracks, HI33.6 GWh8.8 mi
Tesoro HawaiiKapolei, HI163.3 GWh10.2 mi
Waiawa Solar Power HybridWaipahu, HI57.0 GWh2.2 mi
Waihonu North SolarMililani, HI6.4 GWh6.5 mi
Waihonu South SolarMililani, HI1.8 GWh6.6 mi
Waipio PeninsulaWaipio, HI23.7 GWh2.3 mi
Waipio SolarWaipio, HI90.5 GWh4.8 mi
West Loch Solar OneEwa Beach, HI39.3 GWh4.8 mi