Andasol 2

General Info
Owner/s: 
Antin
Cobra
RREEF
Technology: 
Parabolic trough
Country: 
Spain
Status: 
Operational
Purpose: 
Commercial
Usage: 
Electricity
Power: 
50.00 MW
Construction start date: 
March 2007
Start date: 
June, 2009
Location: 
Aldeire, Granada
Generation: 
170.00 GWh
Land area: 
200 hectares
Technology

Solar field

Solar Collector Assemblies - Trough: 
Flagsol SKAL - ET 150
Mirrors / Reflective surface: 
Flabeg RP3
Number of SCAs: 
624
Number of loops: 
156
Number of SCAs per loop: 
4
Number of modules per SCA: 
12
SCA aperture area: 
817 m²
SCA length: 
150 m
Reflecting area: 
510 000 m²
Heat Collector Element (Tube): 
Schott PTR70
Solel UVAC2008
Number of HCEs: 
11,232 UVAC2008 & 11,232 PTR70
Heat Transfer Fluid: 
Dowtherm A
HTF Temp in: 
293ºC
HTF Temp out: 
393ºC

Power block

Storage Y/N: 
Yes
Storage type: 
two tank indirect - molten salts
Storage: 
7.50 Hours
Power cycle: 
Steam Rankine
Power cycle pressure: 
100 bar
Turbine: 
Siemens SST700
Turbine efficiency: 
38.1% at full load
Cooling: 
Wet
Cooling method: 
Cooling tower
Power (gross): 
50.00 MW
Power (net): 
49.90 MW
Annual Solar-to-Electricity Efficiency (Gross): 
16%
Backup: 
Yes
Backup type: 
Natural gas - 15% max
Companies involved
Project developer: 
Cobra
EPC: 
Cobra
SENER
O&M: 
Cobra
Key components suppliers: 
Siemens
Schott
Flabeg
Solel
Flagsol
Dow Chemical
Suppliers details: 
Foster Wheeler (Steam generation)
Dow Chemical (Heat Transfer Fluid)
Flowserve (control valves)
Flagsol (Engineering, construction and commissioning of solar field and HTF system)
ABB (Instrumentation and control)
Schlaich Begermann und Partner (conceptual design, construction design, site supervision)
IMASA (Pipes and insulation in power block, HTF and BOP)
BValve (valves)
Ingemetal
SMIT (solar field, salts and commissioning works)
Epsilon Tracing (Electrical heat tracing)
Energia Gijon (metal frame related works and products)
Sodes (Steam generation section works)
Grupo Salmeron (Civil works)
Arlita Leca
Rotork (valve control)
Avdel (fastening)
Wika (pressure and temperature measurement)
Reyco (valves related works)
Lointek (htf-molten salts heat exchanger, steam generation)
Schubert & Salzer - BVALVE (Valves)
Comeval (Valves)
Fichtner Solar (Consultancy and/or conceptual design)
Laitu solar (Troughs cleaning and/or pressure testing)
MTS (valves)
Flabeg (Mirrors)
Caldererias Indalicas (Pipes and/or tanks assembling and manufacturing)
Ideas en Metal (Torque Box, HCE supports)
AKO (Electric heat tracing)
CCI (Valves)
GEA (Condenser)
Sulzer (Pumps)
Ensival Moret (Pumps)
Socioeconomics
Cost: 
€300 million
Generation Offtaker: 
Endesa
PPA/Tariff: 
27 eurocent per kWh - 25 years (RD661/2007)
Construction Employment: 
600 jobs-year
O&M employment: 
40 jobs
Financing: 
Euroepean Investment Bank - €112.5 million
BNP Paribas
Banco Sabadell
Dexia
WestLB
Other
Construction length: 
2 years
Solar resource: 
2 200 kWh/m2/yr
Solar resource source: 
Meteo station
General comments:

Andasol II and I are twin plants although there may be some minimal differences between them.

Videos: