Aste 1A

Group

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:

Videos:

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