Waiau
475 Kamehamenha Hwy, Pearl City, HI 96782Plant Summary Information
Waiau is ranked #3 out of 52 residual fuel oil power plants nationwide in terms of total annual net electricity generation.
Waiau is comprised of 8 generators and generated 269.6 GWh during the 3-month period between June 2024 to September 2024.
| Plant Name | Waiau |
|---|---|
| Utility Name | Hawaiian Electric Co Inc |
| Location | Honolulu County, HI |
| Initial Operation Date | December 1947 |
| Last Update | Sep 2024 |
| Annual Generation | 1.1 TWh |
| Annual Consumption | 14.1 M MMBtu |
| Ranked #686 out of 11,852 Power Plants Nationwide | |
| Ranked #3 out of 52 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 : 93.7% Distillate Fuel Oil : 6.3% |
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Monthly Net Generation for Waiau
Waiau Details
| Summary Information | |
|---|---|
| Plant Name | Waiau (766) |
| Plant Address | 475 Kamehamenha Hwy, Pearl City, HI 96782 |
| Utility | Hawaiian Electric Co Inc (19547) |
| Latitude, Longitude | 21.389, -157.96152 |
| Generation Dates on File | Jan 2001 to Sep 2024 |
| Initial Operation Date | December 1947 |
| Annual Generation | 1.1 TWh |
| Fuel Types | Residual Fuel Oil : 93.7% Distillate Fuel Oil : 6.3% |
| 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 | |
| Balancing Authority | () |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Pearl Harbor |
| Ash Impoundment | |
| Transmission / Distribution Owner | Hawaiian Electric Co Inc (19547) HI |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
Generator W3 Details Operating December 1947
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 50 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 47.2 MW |
| Winter Capacity | 47.2 MW |
| Minimum Load | 20 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 1947 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Gaseous Propane |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
Generator W4 Details Operating October 1950
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 50 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 47.7 MW |
| Winter Capacity | 47.7 MW |
| Minimum Load | 20 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 1950 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Gaseous Propane |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
Generator W5 Details Operating September 1959
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 54.4 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 51.9 MW |
| Winter Capacity | 51.9 MW |
| Minimum Load | 23 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | September 1959 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
Generator W6 Details Operating June 1961
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 54.4 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 51.8 MW |
| Winter Capacity | 51.8 MW |
| Minimum Load | 20 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | June 1961 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator W7 Details Operating October 1966
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 81.6 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 77.8 MW |
| Winter Capacity | 77.8 MW |
| Minimum Load | 20 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 1966 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator W8 Details Operating November 1968
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 81.6 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 77.8 MW |
| Winter Capacity | 77.8 MW |
| Minimum Load | 20 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | November 1968 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator W10 Details Operating December 1973
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 51.3 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 51.2 MW |
| Winter Capacity | 51.2 MW |
| Minimum Load | 6 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 1973 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Distillate Fuel Oil |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
Generator W9 Details Operating June 1973
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 51.3 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 51.2 MW |
| Winter Capacity | 51.2 MW |
| Minimum Load | 6 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | June 1973 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Distillate Fuel Oil |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Waiau Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Residual Fuel Oil.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1 | Kahe | Kapolei, HI | 2.6 TWh |
| #2 | Kalaeloa Cogen Plant | Kapolei, HI | 1.4 TWh |
| #4 | Kahului | Kahului, HI | 140.0 GWh |
| #5 | W H Hill | Hilo, HI | 133.4 GWh |
| #6 | Inland Paperboard Packaging Rome | Rome, GA | 358.0 GWh |
| #7 | Astoria Generating Station | Astoria, NY | 729.8 GWh |
| #8 | Northport | Northport, NY | 3.5 TWh |
| #9 | Oswego Harbor Power | Oswego, NY | 42.5 GWh |
| #10 | Middletown | Middletown, CT | 169.8 GWh |
| #11 | Canal | Sandwich, MA | 182.4 GWh |
| #12 | TalenEnergy Martins Creek | Bangor, PA | 1.9 TWh |
| #13 | William F Wyman Hybrid | Yarmouth, ME | 23.1 GWh |
| #14 | Montville Station | Uncasville, CT | 36.2 GWh |
| #15 | Roseton Generating Facility | Newsburgh, NY | 247.3 GWh |
| #16 | Herbert A Wagner | Baltimore, MD | 150.2 GWh |
| #17 | Brunswick Cellulose | Brunswick, GA | 383.9 GWh |
| #18 | Georgia-Pacific Cedar Springs | Cedar Springs, GA | 581.9 GWh |
| #19 | Cosmo Specialty Fibers Plant | Cosmopolis, WA | 99.6 GWh |
| #20 | Somerset Plant | Skowhegan, ME | 495.5 GWh |
| #21 | Port Jefferson | Port Jefferson, NY | 396.4 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Waiau.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| AES West Oahu Solar Hybrid | Waipahu, HI | 10.1 GWh | 6.6 mi |
| Campbell Industrial Park | Kapolei, HI | 124.0 GWh | 10.8 mi |
| H Power | Kapolei, HI | 332.5 GWh | 10.8 mi |
| HNL Emergency Power Facility | Honolulu, HI | 2.5 GWh | 4.5 mi |
| Kahe | Kapolei, HI | 2.6 TWh | 11 mi |
| Kalaeloa Cogen Plant | Kapolei, HI | 1.4 TWh | 10.5 mi |
| Kalaeloa Renewable Energy Park | Ewa Beach, HI | 5.2 GWh | 6.6 mi |
| Kalaeloa Solar Two | Honolulu, HI | 10.3 GWh | 9.4 mi |
| Kapolei Solar Energy Park | Kapolei, HI | 1.4 GWh | 11.1 mi |
| Lanikuhana Solar LLC | Mililani, HI | 29.5 GWh | 4.8 mi |
| Mililani South Solar Farm | Mililani, HI | 64.3 GWh | 4.6 mi |
| Pearl City Peninsula Solar Park | Honolulu, HI | 1.3 GWh | 1 mi |
| Schofield Generating Station | Schofield Barracks, HI | 33.6 GWh | 8.8 mi |
| Tesoro Hawaii | Kapolei, HI | 162.7 GWh | 10.2 mi |
| Waiawa Solar Power Hybrid | Waipahu, HI | 58.0 GWh | 2.2 mi |
| Waihonu North Solar | Mililani, HI | 6.4 GWh | 6.5 mi |
| Waihonu South Solar | Mililani, HI | 1.8 GWh | 6.6 mi |
| Waipio Peninsula | Waipio, HI | 23.7 GWh | 2.3 mi |
| Waipio Solar | Waipio, HI | 90.9 GWh | 4.8 mi |
| West Loch Solar One | Ewa Beach, HI | 39.3 GWh | 4.8 mi |