logo

West Kauaʻi Energy Project

Sector: Solar • Location: Kauaʻi, Hawaii, United States

Source: Hawaii Public Radio

Project
Under Construction

The West Kauaʻi Energy Project aims to establish a new hydropower plant on the Waimea River, which would divert an average of 11 million gallons of water daily. This project seeks to combine solar energy with pumped storage hydro to meet approximately 25% of Kauaʻi's electricity needs and enhance grid stability by providing firm power.

Status
Under Construction
Sector
Solar, Water Supply and Storage, Hydro, Power Generation (CCGT), Power Transmission
Location
Kauaʻi, Hawaii, United States of America
Updated
22 Jul 2026
Source
Hawaii Public Radio

ConstructChat

Ask ConstructChat about West Kauaʻi Energy Project

Pick a question to edit it, or write your own.

First answer free · no account

I am a

Project Information FAQ

Project Information

3 Q
The project “West Kauaʻi Energy Project” is an infrastructure initiative in the Solar sector, located in Kauaʻi, Hawaii, United States. Taiyo aggregates data on it from Hawaii Public Radio.

Participants

Not available for this record.

Status

Original status

Under Construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The West Kauaʻi Energy Project aims to establish a new hydropower plant on the Waimea River, which would divert an average of 11 million gallons of water daily. This project seeks to combine solar energy with pumped storage hydro to meet approximately 25% of Kauaʻi's electricity needs and enhance grid stability by providing firm power.

Original sector

Energy

Location

Country

United States of America (USA)

State

Hawaii

City

Kauaʻi

Source

Source

Hawaii Public Radio

URL

More Details

Record type

Project

Sector

Solar, Water Supply and Storage, Hydro, Power Generation (CCGT), Power Transmission

Article published date

2025-03-20

More on this project

Research

Free account

View all details

You are reading the public part. A free account opens the rest:

  • Every detail on this project
  • News and media coverage
  • Technical research
View all details

Free account · no card · lands you back on this project