Skip navigation to main content.
NREL - National Renewable Energy Laboratory
Concentrating Solar Power Projects: Solar Paces
Project Overview
Project Name: Caceres
Country: Spain
Location: Valdeobispo
(Caceres)
Owner(s): ACS - COBRA group (100%)
Technology: Parabolic trough
Turbine Capacity: Net: 50.0 MW Gross: 50.0 MW
Status: Under construction
Start Year: 2013

Do you have more information, corrections, or comments?

Caceres

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

Status Date: February 20, 2013

Background

Technology: Parabolic trough
Status: Under construction
Country: Spain
City: Valdeobispo
Region: Caceres
Lat/Long Location: 40°3′ 38.0″ North, 6°16′ 32.0″ West
Land Area: 200 hectares
Electricity Generation: 170,000 MWh/yr (Expected)
Contact(s): Francisco González
Company: COBRA
Start Production: March 2013
PPA/Tariff Type: Real Decreto 661/2007
PPA/Tariff Rate: 27.0 Euro cents per kWh
PPA/Tariff Period: 25 years
PPA/Tariff Information: Feed-in Tariff
Project Type: Commercial

Participants

Developer(s): ACS - COBRA group
Owner(s) (%): ACS - COBRA group (100%)
EPC Contractor: Cobra Instalaciones y Servicios
Generation Offtaker(s): Endesa

Plant Configuration

Solar Field

Solar-Field Aperture Area: 510,120 m²
# of Solar Collector Assemblies (SCAs): 624
# of Loops: 156
# of SCAs per Loop: 4
SCA Aperture Area: 817 m²
SCA Length: 144 m
# of Modules per SCA: 12
SCA Manufacturer (Model): Sener (SenerTrough)
Mirror Manufacturer (Model): Flabeg (RP3)
# of Heat Collector Elements (HCEs): 22,464
HCE Manufacturer (Model): Solel (UVAC 2008)
HCE Type (Length): Evacuated (4 m)
Heat-Transfer Fluid Type: Diphenyl/Biphenyl oxide
Solar-Field Inlet Temp: 293°C
Solar-Field Outlet Temp: 393°C

Power Block

Turbine Capacity (Gross): 50.0 MW
Turbine Capacity (Net): 50.0 MW
Turbine Manufacturer: Siemens
Turbine Description: SST-700
Output Type: Steam Rankine
Power Cycle Pressure: 100.0 bar
Cooling Method: Wet cooling
Cooling Method Description: Cooling towers
Turbine Efficiency: 38.1% @ full load
Fossil Backup Type: HTF heater
Backup Percentage: 12%

Thermal Storage

Storage Type: 2-tank indirect
Storage Capacity: 7.5 hours
Thermal Storage Description: Molten salts: 60% Sodium NItrate, 40% Potassium Nitrate