Wailuku River Hydroelectric
Hilo Forest Reserve, Hilo, HI 96720Plant Summary Information
Wailuku River Hydroelectric is ranked #45 out of 67 power plants in Hawaii in terms of total annual net electricity generation.
Wailuku River Hydroelectric is comprised of 2 generators and generated 2.5 GWh during the 3-month period between August 2025 to November 2025.
| Plant Name | Wailuku River Hydroelectric |
|---|---|
| Utility Name | Wailuku Holding Company LLC |
| Location | Hawaii County, HI |
| Initial Operation Date | May 1993 |
| Last Update | Nov 2025 |
| Annual Generation | 13.8 GWh |
| Annual Consumption | 63.5 k MMBtu |
| Ranked #5,705 out of 12,574 Power Plants Nationwide | |
| Ranked #852 out of 1,331 Water Power Plants Nationwide | |
| Ranked #45 out of 67 Hawaii Power Plants | |
| Ranked #3 out of 5 Hawaii Water Power Plants | |
| Fuel Types | Water |
Map of Wailuku River Hydroelectric
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Wailuku River Hydroelectric.
Monthly Net Generation for Wailuku River Hydroelectric
Wailuku River Hydroelectric Details
| Summary Information | |
|---|---|
| Plant Name | Wailuku River Hydroelectric (54827) |
| Plant Address | Hilo Forest Reserve, Hilo, HI 96720 |
| Utility | Wailuku Holding Company LLC (54809) |
| Latitude, Longitude | 19.71299, -155.14857 |
| Generation Dates on File | Jan 2001 to Nov 2025 |
| Initial Operation Date | May 1993 |
| Annual Generation | 13.8 GWh |
| Fuel Types | Water |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 06-70-000. |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | |
| Balancing Authority | () |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Wailuku River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Hawaii Electric Light Co Inc (8287) HI |
| Grid Voltage | 69.00 kV |
| Energy Storage | No |
Generator 8101 Details Operating May 1993
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 5.2 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 4.9 MW |
| Winter Capacity | 4.8 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 1993 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 8102 Details Operating May 1993
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 5.2 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 4.9 MW |
| Winter Capacity | 4.8 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 1993 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Wailuku River Hydroelectric 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 |
|---|---|---|---|
| #842 | Corona | Corona, CA | 14.5 GWh |
| #843 | Washoe | Verdi, NV | 14.4 GWh |
| #844 | Dorena Hydro-Electric Facility | Cottage Grove, OR | 14.2 GWh |
| #845 | South Canal Hydro-3 | Montrose, CO | 14.2 GWh |
| #846 | Glen Ferris Hydro | Gauley Bridge, WV | 14.1 GWh |
| #847 | Weybridge | Weybridge, VT | 14.1 GWh |
| #848 | Oakdale Power Station | West Boylston, MA | 13.9 GWh |
| #849 | Snowden | Big Island, VA | 13.9 GWh |
| #850 | Piercefield | Piercefield, NY | 13.8 GWh |
| #851 | Hewittville Hydroelectric | Norwood, NY | 13.8 GWh |
| #853 | Caldron Falls | Town of Stephenson, WI | 13.7 GWh |
| #854 | Kimberly Mill | Appleton, WI | 13.7 GWh |
| #855 | Lockport Powerhouse | Lockport, IL | 13.7 GWh |
| #856 | Mio | Mio, MI | 13.6 GWh |
| #857 | Lockwood Hydroelectric Facility | Waterville, ME | 13.6 GWh |
| #858 | Chalk Hill | Stephenson, MI | 13.6 GWh |
| #859 | Beldens | New Haven, VT | 13.5 GWh |
| #860 | Olsen | Whitmore, CA | 13.5 GWh |
| #861 | Raymondville | Norfolk, NY | 13.5 GWh |
| #862 | James R Smith | Marquette, MI | 13.4 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Wailuku River Hydroelectric.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| AES Maui Kuihelani Solar Hybrid | Waikapu, HI | 109.0 GWh | 116.7 mi |
| AES Waikoloa Solar Hybrid | Waikoloa Village, HI | 61.5 GWh | 42.1 mi |
| Auwahi Wind Energy Hybrid | Kula, HI | 87.2 GWh | 97.3 mi |
| Hale Kuawehi Solar Hybrid | Waimea, HI | 59.7 GWh | 37.8 mi |
| Hamakua Energy Plant | Honokaa, HI | 85.2 GWh | 33.6 mi |
| Hana Substation | Hana, HI | 210.0 MWh | 91.2 mi |
| Kaheawa Wind Power II LLC | Wailuku, HI | 48.0 GWh | 116.9 mi |
| Kahului | Kahului, HI | 157.1 GWh | 118.1 mi |
| Kanoelehua | Hilo, HI | 11.1 GWh | 5.6 mi |
| Keahole | Kailua Kona, HI | 329.1 GWh | 57.2 mi |
| Kihei Solar Farm | Kihei, HI | 352.0 MWh | 111.9 mi |
| Kuihelani Substation | Kahului, HI | 2.0 MWh | 117 mi |
| Maalaea | Kihei, HI | 614.5 GWh | 115.1 mi |
| Mauna Loa Macadamia Nut | Keaau, HI | 1.4 GWh | 9.9 mi |
| Pakini Nui Wind Farm | Naalehu, HI | 113.6 GWh | 62.1 mi |
| Puna | Keaau, HI | 105.9 GWh | 9.5 mi |
| Puna Geothermal Venture I | Pahoa, HI | 258.9 GWh | 23.4 mi |
| Puueo | Hilo, HI | 1.0 GWh | 3.9 mi |
| W H Hill | Hilo, HI | 105.6 GWh | 5.7 mi |
| Waimea | Kamuela, HI | 7.3 GWh | 41.6 mi |