Gemasolar Thermosolar Plant / Solar TRES CSP Project

This page provides information on Gemasolar Thermosolar Plant / Solar TRES CSP project, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.

Project Overview

Power Station: Gemasolar Thermosolar Plant / Solar TRES
Location: Fuentes de Andalucía
Andalusia Spain
Owners (%): Masdar, Sener
Technology Power Tower
Solar Resource: 2072
Nominal Capacity: 20 MW
Status Operational
Start Year: 2011

Status Date

Status Date


Break Ground Date 2009
Expected Generation (GWh/year) 110
Lat/Long Location 37.562,-5.33
Total Power Station Land Area (km²) 1.95


Developer Torresol
EPC UTE Solar Tres
Operator Torresol O&M
Construction Job Years 800
Annual Operations Jobs 45


Total Construction Cost (2011) € 230.00 million
Total Cost USD (2020) $358.19 million
Specific Cost/kW USD (2020) $ 17909.3
LCOE USD/kWh (2020) $ 0.28
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
Concessional Funding or Other Support EIB €110 million; ICO €16.14 million

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 304750
# of Heliostats (or dishes for dish systems) 2650
Heliostat Aperture Area (m²) (or dish aperature for dish systems) 120
Collector/Heliostat Manufacturer Sener
Collector/Heliostat Engineering or IP Owner Sener
Collector/Heliostat Model HE54
Mirror Manufacturer Guardian

Solar Field (Receiver)

Receiver Working Fluid Molten salts (sodium and potassium nitrates)
Receiver Working Fluid Category Salt
Tower Height (m) 140
Receiver Manufacturer ITP JV: Sener, Rolls Royce

Power Block

Nominal Turbine or Power Cycle Capacity 20 MW
Turbine Manufacturer Siemens
Turbine Model SST-600
Power Cycle Steam Rankine
Cooling Type Wet

Thermal Energy Storage

Storage Type 2-tank direct
Storage Capacity (Hours) 15
Storage Description One cold-salts tank (290ºC) from where salts are pumped to the tower receiver and heated up to 565ºC, to be stored in one hot-salts tank (565ºC). Annual equivalent hours = 5,000.

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.”