Aste 1A

This page provides information on Aste 1A, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.
Status Date

Background

Technology
Parabolic Trough
Status
Operational
Location

Alcázar de San Juan Ciudad Real
Spain

Lat/Long Location
39°
10'
34.00"
North
14'
4.00"
West
Land Area
180 hectares
Solar Resource
2019 kWh/m2/yr
Electricity Generation
170,000 MWh/yr Expected/Planned
Start Production Date
Construction Job-Years
500
Annual O&M Jobs
50
PPA/Tariff Type
Real Decreto 661/2007
PPA/Tariff Rate
27 Euro cents per kWh
PPA/Tariff Period
25 years
Project Type
Commercial

Participants

Developer(s)
Elecnor/Aries/ABM AMRO
EPC Contractor
Elecnor

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
150 m
# of Modules per SCA
12
SCA Manufacturer (Model)
Sener (SenerTrough)
Mirror Manufacturer (Model)
Flabeg (RP3)
HCE Manufacturer (Model)
Siemens (UVAC 2010)
# of Heat Collector Elements (HCEs)
22,464
Heat-Transfer Fluid Type
Dowtherm A
Solar-Field Inlet Temp
293ºC
Solar-Field Outlet Temp
393ºC
Solar-Field Temp Difference
100ºC

Power Block

Turbine Capacity (Gross)
50 MW
Turbine Capacity (Net)
50 MW
Output Type
Steam Rankine
Power Cycle Pressure
100 bar
Cooling Method
Wet cooling
Cooling Method Description
Cooling Towers
Gross Annual Solar-to-Electricity Efficiency (Percentage)
15%

Thermal Storage

Storage Type
2-tank indirect
Storage Capacity
8 Hours
Storage Description
Molten salts; 60% Sodium Nitrate, 40% Potassium Nitrate

Project Overview

Project Name: Aste 1A
Location: Spain
(Ciudad Real)
Location: Alcázar de San Juan (Ciudad Real)
Owner(s) (%): Elecnor/Aries/ABM AMRO (100%)
Technology: Parabolic Trough
Turbine Capacity (Net):
50 MW
Turbine Capacity (Gross):
50 MW
Status: Operational
Start Year: 2012

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