La Dehesa CSP Project

This page provides information on La Dehesa CSP project, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.

Project Overview

Power Station: La Dehesa
Location: La Garrovilla
Extremadura Spain
Owners (%): Renovables SAMCA
Technology Parabolic Trough
Solar Resource: 2069
Nominal Capacity: 50 MW
Status Operational
Start Year: 2011

Status Date

Status Date


Break Ground Date 2008
Expected Generation (GWh/year) 175
Lat/Long Location 38.952,-6.463
Total Power Station Land Area (km²) 2


Developer Renovables SAMCA
EPC Renovables SAMCA
Operator Renovables SAMCA
Construction Job Years 950
Annual Operations Jobs 45


Total Construction Cost (2011) € 309.00 million
Total Cost USD (2020) $481.22 million
Specific Cost/kW USD (2020) $ 9624.3
LCOE USD/kWh (2020) $ 0.24
Levelised cost of electricity with 5% weighted average cost of capital and a 25 year payback period, capacity dependent O&M (1.5% of investment cost per year), deflated from Year_operational using the Worldbank's GDP deflator; if station under development or construction then not deflated (assumed cost year 2020)
Remuneration EUR/kWh 0.27
Remuneration Start Year 2011
Remuneration USD/kWh Deflated (2020) 0.42
PPA or Tariff Period (Years) 25
Support Scheme Type FIT

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 552750
# of Solar Collector Assemblies (SCAs) 672
# of Loops 168
# of SCAs per Loop 4
# of Modules per SCA 12
SCA Aperture Area (m²) 822
SCA Length (m) 150
Collector/Heliostat Manufacturer Ingemetal
Collector/Heliostat Engineering or IP Owner SAMCA
Collector/Heliostat Model SAMCA-Trough
Mirror Manufacturer Rioglass

Solar Field (Receiver)

Receiver Working Fluid Biphenyl/Diphenyl oxide
Receiver Working Fluid Category Thermal oil/organics
# of Heat Collector Elements (HCEs) 24192
Solar Field or Receiver Inlet Temperture (C) 298°C
Solar Field or Receiver Outlet Temperture (C) 393°C
Receiver Manufacturer Schott
Receiver Model PTR 70

Power Block

Nominal Turbine or Power Cycle Capacity 50 MW
Turbine Manufacturer Siemens
Turbine Model SST-700
Power Cycle Steam Rankine
Power Cycle Pressure (Bar) 100
Turbine Efficiency Percent 38.1
Cooling Type Wet

Thermal Energy Storage

Storage Type 2-tank indirect
Storage Capacity (Hours) 7.5
Storage Description 29,000 tons of molten salt. 60% sodium nitrate, 40% potassium nitrate.

The project data on these pages and in the downloadable CSV file is copyright (©) Institute for Advanced Sustainability Studies (IASS) and others 2022; data by Lilliestam@IASS, Thonig@IASS, Zang@CAS, Gilmanova@CAS and others. The data is licensed under a Creative Commons Attribution 4.0 International License.”