Sierra SunTower

General Info
Owner/s: 
eSolar
Technology: 
Central receiver (power tower)
Country: 
US
Status: 
Operational
Purpose: 
Demonstration
Usage: 
Electricity
Power: 
5.00 MW
Start date: 
July, 2009
Location: 
Lancaster, California
Technology

Solar field

Heliostats: 
eSolar
Mirrors / Reflective surface: 
Flabeg
Heliostat aperture: 
1.1 m²
Number of heliostats: 
24360
Reflecting area: 
27 670 m²
Central receiver: 
Babcock & Wilcox
Receiver type: 
One external and other Dual-cavity
Heat Transfer Fluid: 
Water
HTF Temp in: 
218ºC
HTF Temp out: 
440ºC

Power block

Storage Y/N: 
No
Power cycle: 
Steam Rankine
Cooling: 
Wet
Backup: 
No
Companies involved
Project developer: 
eSolar
EPC: 
eSolar
O&M: 
eSolar
Key components suppliers: 
Victory Energy
Babcock & Wilkox
Suppliers details: 
Flabeg (Mirrors)
Victory Energy
Babcock & Wilkox
Socioeconomics
Financing: 
Federal Investment Tax
Other
Solar resource: 
2 629 kWh/m2/yr
Solar resource source: 
NREL
General comments:

The plant comprises two 2.5 MW units. Each unit has a different receiver.

One of the units has a Victory Energy's SolarGen receiver, a dual-cavity receiver.

The other units uses a Babcock & Wilkox external receiver.

Documents and links:
Victory Energy's SolarGen receiver at eSolar's Sierra Sun Tower CSP plant Babcock & Wilkox's solar receiver at eSolar's Sierra Sun Tower CSP plant
Videos: