"Desalination on demand", by Julio Zorrilla (International Construction Director at ACCIONA Agua). This presentation took place at Global Water Summit 2016, 19-20 April, Abu Dhabi, UAE.

1. New Economics on Desalination
Desalination on demand
Julio Zorrilla
International Construction Director
ACCIONA Agua
19 April 2016

2. Water scarcity
 The concept of scarcity needs
to be understood as a relative
concept, i.e., an imbalance
between “supply” and
“demand” that varies according
to local conditions (*)
Permanent
Seasonal + Other
factors
Seasonal
(*) source: FAO
ACCIONA Agua – Your partner in the Water Cycle1

3. Permanent water scarcity
 Middle East
Countries , The
Canaries , Algeria
 The choice is the
process not the
source
Source : H M Ettourney, Cost Analysis
ACCIONA Agua – Your partner in the Water Cycle2

4. Ciudadela
Arzew 90 MLD
Mactaa 500 MLD
Mostagenem 200 MLD
Tenes 200 MLD
Fouka 120 MLD
Hamma 200 MLD
Cap Dignet 100 MLD
Skidda 100 MLD
Turf 50 MLD
Main Algerian desal plants

5. Seasonal droughts : CA
Source : Pacific Institute
Source : Equinox Center
 Good water transfers infrastructure
 Different options available
ACCIONA Agua – Your partner in the Water Cycle4

6. Desalination On Demand : Spain
 Seasonal water droughts
 Massive summer population increase
 Only two feasible options to increase the water resources
 Cost benefit analysis only based on money is not enough
 Water must be available when needed
ACCIONA Agua – Your partner in the Water Cycle5

7. Potential water transfers. Source : WWF
P Arrojo U Zaragoza
First attempt : PNH
 Two large water
transfers
ACCIONA Agua – Your partner in the Water Cycle6

8. Ciudadela
Atabal 140 MLD
Alicante I, II 120 MLD
San Pedro I, II 120 MLD
Sagunto 60 MLD
Prat 180 MLD
Tordera I,II 60 MLD
Oropesa 50 MLD
B Palma 100 MLD
Carboneras 120 MLD
Main Spain desal plants
Valdelentisco 200 MLD
Campo Dalias 50 MLD
Ibiza 15 MLD
Torrevieja 240 MLD
750 Facilities
400 Hm3

9. Desal Facilities only used when needed
Source : Pacific Institute
Source : MC Taibilla
Anual Report 2013
29.7%
3.0%
Hm3
ACCIONA Agua – Your partner in the Water Cycle8

10. Julio.zorrilla.velasco@acciona.es