Alvarado 1 (La Risca)

General Info
Owner/s: 
Acciona Energia
Mitsubihi Corp
Technology: 
Parabolic trough
Country: 
Spain
Status: 
Operational
Purpose: 
Commercial
Usage: 
Electricity
Power: 
50.00 MW
Construction start date: 
February 2008
Start date: 
June, 2009
Location: 
Alvarado, Badajoz
Generation: 
100.00 GWh
Land area: 
135 hectares
Technology

Solar field

Solar Collector Assemblies - Trough: 
Acciona Solar Power
Mirrors / Reflective surface: 
Flabeg RP2
Number of SCAs: 
768
Number of loops: 
96
Number of SCAs per loop: 
8
Reflecting area: 
352 854 m²
Heat Transfer Fluid: 
Diphenil / Biphenil oxide
HTF Temp in: 
293ºC
HTF Temp out: 
393ºC

Power block

Storage Y/N: 
No
Power cycle: 
Steam Rankine
Power cycle pressure: 
100 bar
Turbine: 
Siemens SST700
Cooling: 
Wet
Power (gross): 
50.00 MW
Power (net): 
49.90 MW
Backup: 
Yes
Backup type: 
Natural gas for HTF heating - 15% max
Companies involved
Project developer: 
Acciona Energia
EPC: 
Acciona Energia
Idom
O&M: 
Acciona Energia
Key components suppliers: 
Siemens
Flabeg
Suppliers details: 
Flabeg (Mirrors)
Lointek (Steam generation)
IDOM (Complete Basic and Detail engineering of Power Block & HTF System)
Bilfinger Berger (Insulation)
Ingeteam (Property engeneering, construction supervision)
Ako (heat tracing)
Dehesa (Power block related works)
NEE (Pre–EPC Extended Basic Design and consulting to plant Owner and EPC during the construction)
Laitu Solar (Troughs cleaning)
Schubert & Salzer - BVALVE (Valves)
Steel Tubes TPF (steel pipes)
MTS (valves)
Smit
Caldererias Indalicas (Pipes and/or tanks assembling and manufacturing)
CCI (Valves)
Leser (Valves)
Emerson (Automation)
Samson (Control valves)
Socioeconomics
Cost: 
€230 million
PPA/Tariff: 
27 eurocent per kWh - 25 years (RD661/2007)
Construction Employment: 
350 jobs-year
O&M employment: 
31 workers
Other financing info: 

Acciona received a €300 million loan from Mizuho Corporate Bank Nederland B.V., The Bank of Tokyo Mitsubishi UFJ Ltd., Development Bank of Japan Inc. and Mitsubishi Corporation by February 2011 to finanze the whole solar thermal business.

On February 2011, Acciona sold a 15% share from its solar thermal business to Mitsubishi Corporation. Therefore, all of Acciona's plants are a owned by Acciona and Mitsubishi with a 85% and a 15% share respectively.

Alvarado plant project finance was €319 million

Other
Solar resource: 
2 174 kWh/m2/yr
Other info: 

Alvarado 1 (La Risca) is Acciona's first CSP plant in Spain and second in the world after Nevada Solar One

Alvarado 1 (La Risca) CSP plant Picture: NEE Alvarado 1 (La Risca) CSP plant Picture: NEE Alvarado 1 (La Risca) CSP plant Picture: NEE Alvarado 1 (La Risca) CSP plant Picture: Bilfinger Berger
Videos: