La Risca - Alvarado I CSP Project

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

Project Overview

Power Station: La Risca - Alvarado I
Location: Alvarado
Extremadura Spain
Owners (%): Acciona
Technology Parabolic Trough
Solar Resource: 2085
Nominal Capacity: 50 MW
Status Operational
Start Year: 2009

Status Date

Status Date


Break Ground Date 2007
Expected Generation (GWh/year) 105
Lat/Long Location 38.827,-6.826
Total Power Station Land Area (km²) 1.35


Developer Acciona
EPC Acciona, IDOM
Operator Acciona Energía
Construction Job Years 350
Annual Operations Jobs 31


Total Construction Cost (2009) € 230.00 million
Total Cost USD (2020) $370.52 million
Specific Cost/kW USD (2020) $ 7410.4
LCOE USD/kWh (2020) $ 0.3
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 2009
Remuneration USD/kWh Deflated (2020) 0.43
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) 352854
# of Solar Collector Assemblies (SCAs) 768
# of Loops 96
# of SCAs per Loop 8
Collector/Heliostat Manufacturer Acciona
Collector/Heliostat Engineering or IP Owner Gossamer Space Frames
Collector/Heliostat Model SGNX-2
Mirror Manufacturer Flabeg
Mirror Model RP2

Solar Field (Receiver)

Receiver Working Fluid Biphenyl/Diphenyl oxide
Receiver Working Fluid Category Thermal oil/organics
Solar Field or Receiver Inlet Temperture (C) 293°C
Solar Field or Receiver Outlet Temperture (C) 393°C
Receiver Manufacturer Schott

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
Cooling Type Wet

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.”