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 821.0 MWh during the 3-month period between January 2026 to April 2026.
| Plant Name | Puueo |
|---|---|
| Utility Name | Hawaii Electric Light Co Inc |
| Location | Hawaii County, HI |
| Initial Operation Date | December 1918 |
| Last Update | Apr 2026 |
| Annual Generation | 2.0 GWh |
| Annual Consumption | 6.8 k MMBtu |
| Ranked #10,925 out of 13,081 Power Plants Nationwide | |
| Ranked #1,237 out of 1,311 Water Power Plants Nationwide | |
| Ranked #60 out of 67 Hawaii Power Plants | |
| Ranked #4 out of 5 Hawaii Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Puueo
Monthly Plant Fuel Consumption 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 Apr 2026 |
| Initial Operation Date | December 1918 |
| Annual Generation | 2.0 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 |
|---|---|---|---|
| #1227 | Taftville | Taftville, CT | 2.2 GWh |
| #1228 | West Danville 15 | Danville, VT | 2.2 GWh |
| #1229 | Alta Powerhouse | Alta, CA | 2.2 GWh |
| #1230 | Cadys Falls | Morrisville, VT | 2.2 GWh |
| #1231 | Gilman Mill | Gilman, VT | 2.2 GWh |
| #1232 | Lochmere Hydroelectric Plant | Tilton, NH | 2.1 GWh |
| #1233 | Salmon Falls | South Berwick, ME | 2.1 GWh |
| #1234 | Deadwood Creek | Dobbins, CA | 2.1 GWh |
| #1235 | Hillsborough Hosiery | Hillsboro, NH | 2.1 GWh |
| #1236 | Manitou Springs | Manitou Spring, CO | 2.0 GWh |
| #1238 | Kings Falls Hydroelectric | Copenhagen, NY | 2.0 GWh |
| #1239 | Tacoma | Durango, CO | 1.9 GWh |
| #1240 | Tenth Street | Norwich, CT | 1.9 GWh |
| #1241 | Graniteville Enterprise Division | Augusta, GA | 1.9 GWh |
| #1242 | Fontana | Rialto, CA | 1.9 GWh |
| #1243 | Mechanic Falls | Mechanic Falls, ME | 1.9 GWh |
| #1244 | Chasm Hydro Partnership | Chateaugay, NY | 1.9 GWh |
| #1245 | Great Falls (VT) | Lyndon, VT | 1.9 GWh |
| #1246 | Timothy Lake Powerhouse | Estacada, OR | 1.9 GWh |
| #1247 | Diamond Island Plant | Watertown, NY | 1.8 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 | 95.7 GWh | 118.9 mi |
| AES Waikoloa Solar Hybrid | Waikoloa Village, HI | 57.6 GWh | 45.4 mi |
| Auwahi Wind Energy Hybrid | Kula, HI | 90.7 GWh | 99.7 mi |
| Hale Kuawehi Solar Hybrid | Waimea, HI | 78.0 GWh | 40.9 mi |
| Hamakua Energy Plant | Honokaa, HI | 138.4 GWh | 35.4 mi |
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| Kaheawa Pastures Wind Farm Hybrid | Maalaea, HI | 45.8 GWh | 120.9 mi |
| Kaheawa Wind Power II LLC | Wailuku, HI | 46.5 GWh | 119.3 mi |
| Kahului | Kahului, HI | 152.1 GWh | 120.2 mi |
| Kanoelehua | Hilo, HI | 7.2 GWh | 2.4 mi |
| Keahole | Kailua Kona, HI | 269.5 GWh | 61 mi |
| Kuihelani Substation | Kahului, HI | 18.0 MWh | 119.2 mi |
| Maalaea | Kihei, HI | 643.5 GWh | 117.4 mi |
| Mauna Loa Macadamia Nut | Keaau, HI | 1.4 GWh | 7.2 mi |
| Pakini Nui Wind Farm | Naalehu, HI | 109.7 GWh | 65.1 mi |
| Puna | Keaau, HI | 58.1 GWh | 7.6 mi |
| Puna Geothermal Venture I | Pahoa, HI | 207.9 GWh | 21.6 mi |
| W H Hill | Hilo, HI | 145.4 GWh | 2.5 mi |
| Wailuku River Hydroelectric | Hilo, HI | 26.3 GWh | 3.9 mi |
| Waimea | Kamuela, HI | 6.2 GWh | 44.4 mi |