Arenales CSP Project

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

Project Overview

Power Station: Arenales
Location: Morón de la Frontera
Andalusia Spain
Owners (%): RREF, OHL
Technology Parabolic Trough
Solar Resource: 2064
Nominal Capacity: 50 MW
Status Operational
Start Year: 2013

Status Date

Status Date


Break Ground Date 2011
Expected Generation (GWh/year) 166
Lat/Long Location 37.162,-5.548
Total Power Station Land Area (km²) 2.2


Developer Solar millennium, OHL, Deutsche Bank
EPC Ecolair España
Operator OHL


Total Construction Cost (2013) € 313.50 million
Total Cost USD (2020) $450.01 million
Specific Cost/kW USD (2020) $ 9000.3
LCOE USD/kWh (2020) $ 0.23
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 2013
Remuneration USD/kWh Deflated (2020) 0.39
PPA or Tariff Period (Years) 25
Support Scheme Type FIT
Policy Support Scheme Real Decreto 661/2007

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 510120
# of Solar Collector Assemblies (SCAs) 936
# of Loops 156
# of SCAs per Loop 6
SCA Aperture Area (m²) 545
SCA Length (m) 96
Collector/Heliostat Manufacturer Siemens
Collector/Heliostat Engineering or IP Owner Solel
Collector/Heliostat Model SunField 6

Solar Field (Receiver)

Receiver Working Fluid Biphenyl/Diphenyl oxide: Diphyl
Receiver Working Fluid Category Thermal oil/organics
Working Fluid Manufacturer Lanxess
# of Heat Collector Elements (HCEs) 22464
Solar Field or Receiver Inlet Temperture (C) 293°C
Solar Field or Receiver Outlet Temperture (C) 393°C
Receiver Manufacturer Siemens
Receiver Model UVAC-2010

Power Block

Nominal Turbine or Power Cycle Capacity 50 MW
Turbine Manufacturer GE
Power Cycle Steam Rankine
Cooling Type Wet

Thermal Energy Storage

Storage Type 2-tank indirect
Storage Capacity (Hours) 7
Storage Description Molten salts; 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.”