Andasol-2

This page provides information on Andasol-2, 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

Aldeire y La Calahorra Granada
Spain

Lat/Long Location
37°
13'
50.83"
North
4'
14.08"
West
Land Area
200 hectares
Solar Resource
2136 kWh/m2/yr
Source of Solar Resource
Meteo Station
Electricity Generation
158,000 MWh/yr Expected/Planned
Break Ground Date
Start Production Date
Construction Job-Years
600
Annual O&M Jobs
40
PPA/Tariff Date
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)
ACS/Cobra Group
EPC Contractor
UTE CT Andasol-2: Cobra (80%) and Sener (20%)
Operator(s)
Cobra O&M
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)
UTE CT Andasol-2 (SKAL-ET)
Mirror Manufacturer (Model)
Flabeg (RP3)
HCE Manufacturer (Model)
Schott (PTR70)
# of Heat Collector Elements (HCEs)
11,232
HCE Length
4m
HCE Manufacturer (Model)
Solel (UVAC 2008)
# of Heat Collector Elements (HCEs)
11,232
HCE Length
4m
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)
49.9 MW
Turbine Manufacturer
Siemens SST-700 (Germany)
Output Type
Steam Rankine
Power Cycle Pressure
100 bar
Cooling Method
Wet cooling
Cooling Method Description
Cooling towers
Turbine Efficiency
38.10% @ full load (Percentage)
Gross Annual Solar-to-Electricity Efficiency (Percentage)
16%

Thermal Storage

Storage Type
2-tank indirect
Storage Capacity
7.5 hour(s)
Storage Description
28,500 tons of molten salt. 60% sodium nitrate, 40% potassium nitrate. 1,010 MWh. Tanks are 14 m high and 36 m in diameter.

Project Overview

Project Name: Andasol-2 (AS-2)
Location: Spain
(Granada)
Location: Aldeire y La Calahorra (Granada)
Owner(s) (%): ACS/Cobra Group (100%)
Technology: Parabolic Trough
Turbine Capacity (Net):
49.9 MW
Turbine Capacity (Gross):
50 MW
Status: Operational
Start Year: 2009

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