Saguaro Power Plant CSP Project

This page provides information on Saguaro Power Plant CSP project, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.

Project Overview

Power Station: Saguaro Power Plant
Location: Red Rock
Arizona United States
Owners (%): Arizona Public Service
Technology Parabolic Trough
Nominal Capacity: 1 MW
Status Currently Non-Operational
Start Year: 2006

Status Date

Status Date


Break Ground Date 2004
Expected Generation (GWh/year) 2
Lat/Long Location 32.548,-111.293
Total Power Station Land Area (km²) 0.06


Developer Arizona Public Service
EPC Solargenix
Operator Arizona Public Service
Electricity Generation Offtaker Arizona Public Service

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 10340
# of Solar Collector Assemblies (SCAs) 24
# of Loops 3
# of SCAs per Loop 8
# of Modules per SCA 12
SCA Length (m) 97
Collector/Heliostat Manufacturer Starnet
Collector/Heliostat Model LS-2
Mirror Manufacturer Flabeg

Solar Field (Receiver)

Receiver Working Fluid Biphenyl/Diphenyl oxide: Xceltherm
Receiver Working Fluid Category Thermal oil/organics
Working Fluid Manufacturer Radco Industries
# of Heat Collector Elements (HCEs) 528
Solar Field or Receiver Inlet Temperture (C) 120°C
Solar Field or Receiver Outlet Temperture (C) 300°C

Power Block

Nominal Turbine or Power Cycle Capacity 1 MW
Turbine Manufacturer Ormat
Power Cycle Organic Rankine
Power Cycle Pressure (Bar) 22.2
Turbine Efficiency Percent 20.7
Cooling Type Wet

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.”