Aste 1A

General Info
Owner/s: 
Aries
Eiser
Elecnor
Technology: 
Parabolic trough
Country: 
Spain
Status: 
Operational
Purpose: 
Commercial
Usage: 
Electricity
Power: 
50.00 MW
Start date: 
January, 2012
Location: 
Alcazar de San Juan, Ciudad Real
Generation: 
170.00 GWh
Land area: 
180 hectares
Technology

Solar field

Solar Collector Assemblies - Trough: 
SENER SENERTrough
Mirrors / Reflective surface: 
Flabeg RP3
Number of SCAs: 
624
Number of loops: 
156
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
Heat Collector Element (Tube): 
Siemens UVAC2010
Number of HCEs: 
22464
Heat Transfer Fluid: 
Dowtherm A
HTF Temp in: 
293ºC
HTF Temp out: 
393ºC

Power block

Storage Y/N: 
Yes
Storage type: 
two tank indirect - molten salts
Storage: 
8.00 Hours
Power cycle: 
Steam Rankine
Power cycle pressure: 
100 bar
Cooling: 
Wet
Cooling method: 
Cooling tower
Power (gross): 
50.00 MW
Power (net): 
49.90 MW
Annual Solar-to-Electricity Efficiency (Gross): 
15%
Backup: 
Yes
Backup type: 
Natural gas for HTF boiler - 15% max
Companies involved
Project developer: 
Aries
EPC: 
Fluor
SENER
Key components suppliers: 
SENER
Flabeg
Dow Chemical
Suppliers details: 
Sener (solar field EPC)
Fluor (EPC)
Flabeg (Mirrors)
Sindus (Cooling tower)
Ideas en Metal (metal frame works)
CCI (valves)
Dow Chemical (HTF)
Lazaro Ituarte Valves (valves)
Allpe
Bitherm Sistemas (Strainers, steam trap)
Wika (pressure and temperature measurement)
Comeval (Valves)
MTS (valves)
Bitherm (Strainers and steam trap)
AKO (Electric heat tracing)
Esindus (Cooling towers)
Socioeconomics
PPA/Tariff: 
27 eurocent per kWh - 25 years (RD661/2007)
Construction Employment: 
500 jobs-year
O&M employment: 
50 jobs
Financing: 
Santander
BBVA
Other financing info: 

Excerpt from a press release of April 11, 2011:

EISER Infrastructure Partners (“EISER”), through its Global Infrastructure Fund, has arranged EUR 475 million of long-term project financing for Aries Solar Termoeléctrica S.L. (“ASTE”), which is developing two 50 MW solar thermal power plants, ASTE-1A and ASTE-1B, near Ciudad Real, Spain.

 

Other
Solar resource: 
2 019 kWh/m2/yr
General comments:

Stakes: Elecnor 55%, EISER 30%, Aries 15%

Documents and links:
ASTE 1A & 1B plants - Picture: Elecnor ASTE 1A & 1B plants - Picture: Elecnor ASTE 1A & 1B plants - Picture: Elecnor ASTE 1A & 1B plants - Picture: Elecnor ASTE 1A & 1B plants - Picture: Elecnor
Videos: