La Dehesa (Samcasol 2)

General Info
Owner/s: 
Renovables SAMCA
Technology: 
Parabolic trough
Country: 
Spain
Status: 
Operational
Purpose: 
Commercial
Usage: 
Electricity
Power: 
50.00 MW
Start date: 
October, 2010
Location: 
La Garrovilla, Badajoz
Generation: 
170.00 GWh
Land area: 
200 hectares
Technology

Solar field

Solar Collector Assemblies - Trough: 
SAMCA - Trough
Mirrors / Reflective surface: 
Rioglass
Number of SCAs: 
672
Number of loops: 
168
Number of SCAs per loop: 
4
Number of modules per SCA: 
12
SCA aperture area: 
822 m²
SCA length: 
150 m
Reflecting area: 
552 750 m²
Heat Collector Element (Tube): 
Schott PTR70
Heat Transfer Fluid: 
Diphenil / Biphenil oxide
HTF Temp in: 
298ºC
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: 
38.13% at full load
Cooling: 
Wet
Power (gross): 
50.00 MW
Power (net): 
49.90 MW
Annual Solar-to-Electricity Efficiency (Gross): 
13.81%
Backup: 
Yes
Backup type: 
Natural gas for HTF heating - max 15%
Companies involved
Project developer: 
Renovables SAMCA
EPC: 
Renovables SAMCA
TSK
O&M: 
Renovables SAMCA
Key components suppliers: 
Siemens
Schott
Rioglass
Suppliers details: 
Siemens (Turbine)
Schott (heat collector elements)
Rioglass (Mirrors)
Foster Wheeler (Steam generation)
Talleres MAC (heat exchangers)
Wika (pressure and temperature measurement)
Inerex (Gas pipes)
Grupo TSK
AKO (heat tracing system)
SENER (Engineering)
Imasa (Pipes)
Samson (Valves)
Saidi (Valves)
Ideas en Metal (HCE supports)
Ingemetal (Trough structure)
Emerson (Automation)
Semi (Molten salts tanks)
CCI (Valves)
Flowserve (Control valves)
IDOM (Detail Engineering)
Lointek (Steam generation)
Energia Gigjon (Metal sttructures)
Smit
Caldererias Indalicas (Pipes and/or tanks assembling and manufacturing)
Flexim (Flowmeter for HTF and/or Molten Salt)
Ensival Moret (Pumps)
ACS Cobra (Construction of power block)
Socioeconomics
Generation Offtaker: 
Endesa
PPA/Tariff: 
Spain RD661/2007 - 27 eurocent per kWh - 25 years
Construction Employment: 
950 jobs-year
O&M employment: 
45 jobs
General comments:
Documents and links:
La Dehesa (Samcasol 2) CSP plant La Dehesa (Samcasol 2) CSP plant La Dehesa (Samcasol 2) CSP plant
Videos: