Puueo
117 Wainaku Avenue, Hilo, HI 96720Plant Summary Information
Puueo is ranked #4 out of 5 hydroelectric power plants in Hawaii in terms of total annual net electricity generation.
Puueo is comprised of 2 generators and generated 581.0 MWh during the 3-month period between December 2024 to March 2025.
| Plant Name | Puueo |
|---|---|
| Utility Name | Hawaii Electric Light Co Inc |
| Location | Hawaii County, HI |
| Initial Operation Date | December 1918 |
| Last Update | Mar 2025 |
| Annual Generation | 4.6 GWh |
| Annual Consumption | 16.0 k MMBtu |
| Ranked #7,805 out of 11,623 Power Plants Nationwide | |
| Ranked #1,100 out of 1,242 Water Power Plants Nationwide | |
| Ranked #53 out of 64 Hawaii Power Plants | |
| Ranked #4 out of 5 Hawaii Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Puueo
Puueo Details
| Summary Information | |
|---|---|
| Plant Name | Puueo (771) |
| Plant Address | 117 Wainaku Avenue, Hilo, HI 96720 |
| Utility | Hawaii Electric Light Co Inc (8287) |
| Latitude, Longitude | 19.7264, -155.0908 |
| Generation Dates on File | Jan 2001 to Mar 2025 |
| Initial Operation Date | December 1918 |
| Annual Generation | 4.6 GWh |
| Fuel Types | Water |
| 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 | Wailuku River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Hawaii Electric Light Co Inc (8287) HI |
| Grid Voltage | 13.80 kV |
| Energy Storage | No |
Generator 1 Details Operating December 1918
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 0.7 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 0.7 MW |
| Winter Capacity | 0.7 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 1918 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Generator 2A Details Operating October 2005
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 2.4 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 2.4 MW |
| Winter Capacity | 2.4 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 2005 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Puueo 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 Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1090 | Emporia | Emporia, VA | 4.9 GWh |
| #1091 | Salmon Falls | South Berwick, ME | 4.9 GWh |
| #1092 | Beaver Valley Patterson Dam | Beaver Falls, PA | 4.8 GWh |
| #1093 | Kleber | Onaway, MI | 4.8 GWh |
| #1094 | Tuckasegee | Tuckasegee, NC | 4.8 GWh |
| #1095 | Hillcrest Pump Station | Denver, CO | 4.8 GWh |
| #1096 | Clam River Dam | Danbury, WI | 4.8 GWh |
| #1097 | Austin | Austin, TX | 4.7 GWh |
| #1098 | Taftville | Taftville, CT | 4.7 GWh |
| #1099 | Chasm Hydro Partnership | Chateaugay, NY | 4.7 GWh |
| #1101 | Center Falls | Greenwich, NY | 4.6 GWh |
| #1102 | Pelzer Upper | Petzer, SC | 4.6 GWh |
| #1103 | Pelzer Lower | Williamston, SC | 4.6 GWh |
| #1104 | Franklin (NC) | Franklin, NC | 4.6 GWh |
| #1105 | Little Mac Project | Buhl, ID | 4.5 GWh |
| #1106 | Chester Lake | Metlakatla, AK | 4.5 GWh |
| #1107 | Gantt | Andalusia, AL | 4.5 GWh |
| #1108 | Salisbury | Salisbury, VT | 4.5 GWh |
| #1109 | West Danville 15 | Danville, VT | 4.5 GWh |
| #1110 | Little Cottonwood | Sandy, UT | 4.4 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Puueo.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| AES Maui Kuihelani Solar Hybrid | Waikapu, HI | 73.0 GWh | 118.9 mi |
| AES Waikoloa Solar Hybrid | Waikoloa Village, HI | 62.8 GWh | 45.4 mi |
| Auwahi Wind Energy Hybrid | Kula, HI | 83.6 GWh | 99.7 mi |
| Hale Kuawehi Solar Hybrid | Waimea, HI | 1.3 GWh | 40.9 mi |
| Hamakua Energy Plant | Honokaa, HI | 48.7 GWh | 35.4 mi |
| Hana Substation | Hana, HI | 115.0 MWh | 92.7 mi |
| Kaheawa Pastures Wind Farm Hybrid | Maalaea, HI | 63.4 GWh | 120.9 mi |
| Kaheawa Wind Power II LLC | Wailuku, HI | 53.5 GWh | 119.3 mi |
| Kahului | Kahului, HI | 140.0 GWh | 120.2 mi |
| Kanoelehua | Hilo, HI | 3.6 GWh | 2.4 mi |
| Keahole | Kailua Kona, HI | 332.7 GWh | 61 mi |
| Kihei Solar Farm | Kihei, HI | 1.3 GWh | 114.1 mi |
| Maalaea | Kihei, HI | 587.9 GWh | 117.4 mi |
| Miki Basin | Lanai City, HI | 35.1 GWh | 140.3 mi |
| Pakini Nui Wind Farm | Naalehu, HI | 111.9 GWh | 65.1 mi |
| Puna | Keaau, HI | 51.1 GWh | 7.6 mi |
| Puna Geothermal Venture I | Pahoa, HI | 192.6 GWh | 21.6 mi |
| W H Hill | Hilo, HI | 133.4 GWh | 2.5 mi |
| Wailuku River Hydroelectric | Hilo, HI | 27.8 GWh | 3.9 mi |
| Waimea | Kamuela, HI | 1.7 GWh | 44.4 mi |