Astexol II

General Info
Owner/s: 
Aries
Eiser
Elecnor
Technology: 
Parabolic trough
Country: 
Spain
Status: 
Operational
Purpose: 
Commercial
Usage: 
Electricity
Power: 
50.00 MW
Start date: 
November, 2011
Location: 
Olivenza, Badajoz, Extremadura
Generation: 
170.00 GWh
Land area: 
160 hectares
Technology

Solar field

Solar Collector Assemblies - Trough: 
Flagsol SKAL - ET 150
Number of SCAs: 
624
Number of SCAs per loop: 
4
Number of modules per SCA: 
12
SCA aperture area: 
817 m²
SCA length: 
150 m
Reflecting area: 
510 120 m²
HTF Temp in: 
293ºC
HTF Temp out: 
393ºC

Power block

Storage Y/N: 
Yes
Storage type: 
two tank indirect - molten salts
Storage: 
7.50 Hours
Power cycle: 
Steam Rankine
Power cycle pressure: 
100 bar
Turbine: 
GE
Cooling: 
Wet
Cooling method: 
Cooling tower
Annual Solar-to-Electricity Efficiency (Gross): 
15%
Backup: 
Yes
Backup type: 
Natural gas for HTF boiler - 15% max.
Companies involved
EPC: 
Fluor
Key components suppliers: 
GE
Suppliers details: 
Fluor (Basic and detailed engineering)
Abeinsa (Insulation)
Dimasa (Polyester containers)
Ideas en Metal (Torque Box, Pylons, Drive Pylons, HCE supports, Cantilever, End Plates)
Magline (Measuring for sun tracking systems)
Abantia
Sindus (Cooling tower)
Wika (pressure and temperature measurement)
AKO (electrical heat tracing)
Lointek (Steam generation)
Imasa (Pipes assembling in power block)
Reyco (valves calibration and maintenance)
Pure Water Group (Water deionization)
Ingemetal (Trough structure)
Caldererias Indalicas (Pipes and/or tanks assembling and manufacturing)
GE (Turbine)
Esindus (Cooling towers)
Fluor
Socioeconomics
Cost: 
€275 million
Construction Employment: 
500 jobs-year
O&M employment: 
50
Other financing info: 

Project Finance worth €275 million

Other
Solar resource: 
2 052 kWh/m2/yr
General comments:

Astexol 2 is owned by Dioxipe Solar, which also owns Aste 1A and 1B plants.

Dioxipe Solar is a consortium by Aries, Elecnor and Eiser.

Eiser Infrastructure Limited was formely known as ABN AMRO.

Dioxipe Solar is also the promoter of Astexol 1 and 3 and Aste 3A and 3B, four 50 MW plants which have not been developed.

Documents and links:
AttachmentSize
PDF icon Environmental Impact Statement (Spanish)236.38 KB
PDF icon Elecnor PR on groundbreaking ceremony34.42 KB
Astexol 2 - Picture: Aries Astexol 2 - Picture: Aries Astexol 2 - Picture: Imasa
Videos: