Wainiha Hydro
Hydro power plant in Kauai County, Hawaii. 3.6 MW of nameplate capacity across 2 generators, operated by BBCP Kauai Operating LLC.
Also known as EIA plant 10413
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3.6 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- January 1906First generator online
- Operator
- BBCP Kauai Operating LLCEIA operator ID 65153
- Grid
- Not reported
- Price nodes
- None linkedNo verified ISO node
- Location
- Kauai County, HI22.1963, −159.5561
- EIA plant ID
- 10413EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Wainiha Hydro produces
Free · EIA-923Net generation, 2025
19.1 GWh
19,101 MWh, final
Capacity factor, 2025
60.6%
2024: 68.9%
January to July 2026
11.2 GWh
Provisional
Range, 2015 to 2025
19.1–25.2
GWh a year. Low 2025, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 28,075 | Not reported | 12 of 12 |
| 2002 | 28,075 | Not reported | 12 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | 24,683 | Not reported | 12 of 12 |
| 2005 | 21,688 | Not reported | 12 of 12 |
| 2006 | 28,948 | Not reported | 12 of 12 |
| 2007 | 25,961 | Not reported | 12 of 12 |
| 2008 | 27,031 | Not reported | 12 of 12 |
| 2009 | 22,721 | Not reported | 12 of 12 |
| 2010 | 19,040 | 60.4% | 12 of 12 |
| 2011 | 24,120 | 76.5% | 12 of 12 |
| 2012 | 25,230 | 79.8% | 12 of 12 |
| 2013 | 23,136 | 73.4% | 12 of 12 |
| 2014 | 25,253 | 80.1% | 12 of 12 |
| 2015 | 25,222 | 80.0% | 12 of 12 |
| 2016 | 24,533 | 77.6% | 12 of 12 |
| 2017 | 21,475 | 68.1% | 12 of 12 |
| 2018 | 20,814 | 66.0% | 12 of 12 |
| 2019 | 20,536 | 65.1% | 12 of 12 |
| 2020 | 20,966 | 66.3% | 12 of 12 |
| 2021 | 20,588 | 65.3% | 12 of 12 |
| 2022 | 23,326 | 74.0% | 12 of 12 |
| 2023 | 21,524 | 68.3% | 12 of 12 |
| 2024 | 21,782 | 68.9% | 12 of 12 |
| 2025 | 19,101 | 60.6% | 12 of 12 |
| 2026 (provisional, partial year) | 11,201 | 61.2% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| WAIA | Conventional Hydroelectric | 1.8 | January 1906 |
| WAIB | Conventional Hydroelectric | 1.8 | January 1910 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists BBCP Kauai Operating LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Wainiha Hydro
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Questions about Wainiha Hydro
How much power does Wainiha Hydro produce?
Wainiha Hydro reported 19,101 MWh (19.1 GWh) of net generation in 2025, a 60.6% capacity factor on 3.6 MW of nameplate capacity. From January to July 2026 it reported 11.2 GWh, which is provisional.
Where is Wainiha Hydro?
Wainiha Hydro is in Kauai County, Hawaii, at 22.1963, −159.5561.
Who operates Wainiha Hydro?
EIA-860M for August 2026 lists BBCP Kauai Operating LLC as the operator (EIA operator ID 65153). The operator is not always the owner.
When did Wainiha Hydro start operating?
Its first generator began operating in January 1906, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page