Saguaro

General Info
Owner/s: 
Arizona Public Service
Technology: 
Parabolic trough
Country: 
US
Status: 
Operational
Purpose: 
Commercial
Usage: 
Electricity
Power: 
1.00 MW
Construction start date: 
2004
Start date: 
January, 2006
Location: 
Red Rock, Arizona
Generation: 
2.00 GWh
Land area: 
6 hectares
Technology

Solar field

Solar Collector Assemblies - Trough: 
Starnet LS-2
Mirrors / Reflective surface: 
Flabeg
Number of SCAs: 
24
Number of SCAs per loop: 
8
Number of modules per SCA: 
12 and 8
SCA length: 
97 m
Reflecting area: 
100 000 m²
Heat Collector Element (Tube): 
Schott PTR70
Number of HCEs: 
528
Receiver type: 
Evacuated
Heat Transfer Fluid: 
Xceltherm 600
HTF Temp in: 
120ºC
HTF Temp out: 
300ºC

Power block

Storage Y/N: 
No
Power cycle pressure: 
323 psi
Turbine: 
Ormat
Turbine efficiency: 
20.7% at Full load
Cooling: 
Wet
Power (gross): 
1.16 MW
Power (net): 
1.00 MW
Design-Point Solar-to-Electricity Efficiency: 
12.1% - Nominal ambient temp dry=80°F, relative humidity=30%, wet-bulb temp=60°F
Annual Solar-to-Electricity Efficiency (Gross): 
7.5%
Companies involved
Project developer: 
Arizona Public Service
EPC: 
Solargenix
Key components suppliers: 
Starnet
Ormat
Flabeg
Radco
Suppliers details: 
NEE (Detail Engineering)
Starnet (Parabolic trough)
Ormat (Turbine)
Flabeg (Mirrors)
Radco (HTF)
Other
Solar resource: 
2 636 kWh/m2/yr
Solar resource source: 
NREL
General comments:
Documents and links:
Saguaro Saguaro
Videos: