Holaniku at Keahole Point CSP Project

This page provides information on Holaniku at Keahole Point CSP project, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.

Project Overview

Power Station: Holaniku at Keahole Point
Location: Keahole Point
Hawaii United States
Owners (%): Keahole Solar Power, LLC
Technology Parabolic Trough
Nominal Capacity: 2 MW
Status Currently Non-Operational
Start Year: 2009

Status Date

Status Date


Break Ground Date 2006
Expected Generation (GWh/year) 4
Lat/Long Location 19.717,-156.033
Total Power Station Land Area (km²) 0.01


Developer Keahole Solar Power, LLC, Sopogy
Operator Sopogy, Inc.
Electricity Generation Offtaker HELCO

Plant Configuration

Solar Field

# of Solar Collector Assemblies (SCAs) 1008
Collector/Heliostat Engineering or IP Owner Sopogy
Collector/Heliostat Model SopoNova

Solar Field (Receiver)

Receiver Working Fluid Biphenyl/Diphenyl oxide: Xceltherm
Receiver Working Fluid Category Thermal oil/organics
Working Fluid Manufacturer Radco Industries
Solar Field or Receiver Inlet Temperture (C) 93°C
Solar Field or Receiver Outlet Temperture (C) 176°C

Power Block

Nominal Turbine or Power Cycle Capacity 2 MW
Power Cycle Steam Rankine
Cooling Type Wet

Thermal Energy Storage

Storage Type Other
Storage Capacity (Hours) 2

The project data on these pages and in the downloadable CSV file is copyright (©) Institute for Advanced Sustainability Studies (IASS) and others 2022; data by Lilliestam@IASS, Thonig@IASS, Zang@CAS, Gilmanova@CAS and others. The data is licensed under a Creative Commons Attribution 4.0 International License.”