Valle1-and-valle2

Technology: Parabolic trough
Land Area: 230 hectares
Solar Resource: 2,097 kWh/m2/yr
Cost (approx): 320,000,000 Euro
Cost Info Source: Torresol
Construction Job-Years: 900
Annual O&M Jobs: 45
PPA/Tariff Date: January 1, 2010

Plant Configuration
Solar Field
Solar-Field Aperture Area: 510,120 m²
# of Solar Collector Assemblies (SCAs): 624
# of Loops: 156
# of SCAs per Loop: 4
SCA Aperture Area: 817 m²
SCA Manufacturer (Model): Sener (SenerTrough)
Heat-Transfer Fluid Type: Diphenyl/Diphenyl Oxide
Solar-Field Inlet Temp: 293°C
Solar-Field Outlet Temp: 393°C
Solar-Field Temp Difference: 100°C

Power Block
Turbine Capacity (Gross): 49.9 MW
Turbine Capacity (Net): 49.9 MW
Output Type: Steam Rankine
Power Cycle Pressure: 100.0 bar
Cooling Method: Wet cooling
Turbine Efficiency: 38.1% @ full load
Fossil Backup Type: Natural gas

Thermal Storage
Storage Type: 2-tank indirect
Thermal Storage Description: 28,500 tons of molten salt.


Molten Salt Thermal Storage


50,000

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