Knowledge Framework
Use Cases
- Plan long-term water supply — Assess whether current water sources will meet future demand given population growth, climate cha...
- Produce water from alternative sources — Activate desalination plants or other non-conventional supply sources to supplement supply during...
Decision Patterns
- National water strategies — Plan supply long-term
- Desalination systems — Produce water from seawater
System Models
Supply–demand balance models
Tool: National water balance model — Plans desalination capacity against national demand
Overview
Israel’s National Desalination Programme is one of the most successful large-scale desalination implementations in the world. Five major seawater reverse osmosis (SWRO) plants along the Mediterranean coast now produce over 600 million cubic metres of drinking water per year, supplying approximately 80% of Israel’s domestic water.
Israel has historically faced chronic water scarcity, with natural freshwater resources (the Sea of Galilee and mountain aquifers) unable to meet growing demand. A severe drought in the late 1990s and early 2000s pushed the Sea of Galilee to dangerously low levels, catalysing the government’s decision to invest massively in desalination.
The programme has effectively eliminated water scarcity as a strategic constraint for Israel, transforming the country from a water-deficit to a water-surplus nation. Israel now exports water to Jordan under a bilateral agreement.
Timeline & Location
1999–2002: Severe drought drops Sea of Galilee to record lows. Government commits to desalination programme. 2005: Ashkelon plant opens (first large-scale SWRO plant, 120M m³/yr). 2010: Hadera plant opens (127M m³/yr). 2007: Palmachim plant opens (45M m³/yr, later expanded). 2013: Sorek plant opens (150M m³/yr, then the world’s largest SWRO plant). 2015: Ashdod plant opens (100M m³/yr). 2023: Sorek B plant opens (200M m³/yr), further expanding capacity. 2025: Total desalination capacity exceeds 800 million m³/yr.
Stakeholders
The Israel Water Authority (a government agency) plans and regulates the national water system including desalination. Plants are built and operated by private companies under long-term Build-Operate-Transfer (BOT) concessions, including IDE Technologies and Mekorot (the national water company).
Israel’s water technology sector is globally recognised, with desalination innovation driving a significant export industry. Key technology companies include IDE Technologies, which developed the world’s largest SWRO plants, and various membrane and energy recovery manufacturers.
Digitalisation & Data
Israeli desalination plants use advanced SCADA and process control systems for automated operation. Key digital features include:
Energy Recovery Systems
Pressure exchangers and energy recovery devices recover up to 98% of the energy from the high-pressure brine stream, reducing energy consumption to approximately 3.5 kWh/m³ — among the lowest globally.
Predictive Maintenance
AI-based monitoring of membrane performance, pressure differentials, and water quality enables predictive maintenance and optimises plant efficiency. Israel’s plants achieve some of the lowest per-unit desalination costs globally.
Hazards
Exogenous Hazards
Climate change reducing natural freshwater recharge of aquifers and the Sea of Galilee. Geopolitical instability in the region. Mediterranean seawater quality variations (algal blooms, pollution events) affecting plant intake.
Endogenous Hazards
Energy dependency — desalination is energy-intensive. Concentration of critical infrastructure along the Mediterranean coast creates vulnerability to coordinated disruption. Brine disposal environmental impacts on coastal marine ecology.
Cost & Benefit
Cost: Desalinated water costs approximately $0.50–0.55 per cubic metre at the Sorek plant, among the lowest globally for SWRO. Total programme investment exceeds $4 billion across all plants.
Key Benefits: Elimination of water scarcity as a national constraint. Rehabilitation of the Sea of Galilee and aquifers (now used as strategic reserves rather than primary sources). Water export agreement with Jordan. Creation of a globally competitive water technology industry. National water security independent of climate variability.
Resilience Principles Assessment
Assessment of meeting Principles of Resilient Infrastructure
Proactively Protected (P2)
The desalination programme proactively addressed water scarcity before it became an existential crisis. Multiple plants distributed along the coast provide redundancy. Natural freshwater sources have been rehabilitated to serve as strategic reserves.
Adaptively Transforming (P6)
Israel fundamentally transformed its water economy from scarcity to surplus within two decades. The programme enabled a paradigm shift in national water strategy, with desalination now the primary supply source rather than a supplement.
Continuously Learning (P1)
Continuous R&D investment has driven desalination costs down dramatically. Each new plant incorporates technology improvements from its predecessors. Israel’s water sector actively shares knowledge internationally.
Shared Responsibility (P5)
Public-private partnership model with government planning and regulation combined with private sector delivery and innovation. Water costs are socialised across the national tariff. International cooperation through water export to Jordan.
Environmentally Integrated (P3)
Desalination has enabled rehabilitation of over-extracted natural water sources. However, brine disposal remains an environmental concern, with ongoing research into beneficial brine use and marine impact mitigation.
Socially Engaged (P4) To Do
Details pending.
Futures
Israel continues to expand desalination capacity with the Sorek B plant and planned additional facilities. Research focuses on reducing energy consumption, beneficial use of brine, and renewable energy-powered desalination. Israel’s experience is being studied and replicated by water-scarce nations globally.