| Strategic Indicator | Current Position | Business Implication |
|---|---|---|
| Leading Country | Saudi Arabia | World’s largest desalinated water producer by daily capacity. |
| Largest Single Plant | Shoaiba (Saudi Arabia) | Guinness-listed largest desalination plant by capacity. |
| Leading Technology | Reverse Osmosis (RO) | Accounts for the majority of new capacity additions. |
| Regional Concentration | MENA (~50%) | Share of global desalination capacity located in the region. |
Report Coverage
Verified Market Sizing
Multi-layer forecasting with historical data and 5–10 year outlook
Deep-Dive Segmentation
Cross-sectional analysis by product type, end user, application and region
Competitive Benchmarking & Positioning
Market share, operating model, pricing and competition matrices
Actionable Insights & Risk Assessment
High-growth white spaces, underserved segments, technology disruptions and demand inflection points
Desalination capacity continues to expand in water-stressed regions, with reverse osmosis technology accounting for the large majority of new capacity additions due to its lower energy intensity relative to legacy thermal desalination processes still operating across parts of the Gulf.
The database tracks facility-level detail including capacity in cubic meters per day, technology type, owner/operator, and commissioning status, with regional breakdowns highlighting the concentration of mega-scale capacity in Saudi Arabia and the UAE alongside significant municipal capacity in the United States, Australia, and Spain.
Desalination Capacity by Country (approx., M m³/day)
Looking ahead, Untapped Markets expects global desalination capacity to keep expanding, led by continued Gulf investment and growing adoption across water-stressed markets in the Americas, Asia, and Africa.
The Global Desalination Plants Database is developed using a structured, multi-source research process designed to ensure accuracy and consistency across every tracked record.
The research team defines the full universe of desalination plants to be tracked within scope, drawing on regulatory filings, industry association membership lists, company disclosures, and prior desk research to establish an initial master list.
Each record is populated using primary sources including company announcements, regulatory and permitting filings, government databases, and, where available, direct outreach to operators and developers, cross-checked against secondary sources such as industry reports and trade press coverage.
Records are standardized into a consistent schema covering location, capacity or scale, ownership, operational status, and timeline detail, allowing like-for-like comparison across all covered countries and regions.
The database is reviewed on a periodic basis to reflect newly announced projects, status changes, and ownership updates, with the 2026 reference year reflecting the most recent verified data snapshot at time of publication.
It catalogues large-scale seawater and brackish water desalination facilities worldwide, including capacity, technology, and commissioning status, benchmarked to 2026.
Saudi Arabia is the world largest desalinated water producer by daily capacity, anchored by mega-scale plants including Shoaiba.
The database distinguishes reverse osmosis, multi-stage flash, and multi-effect distillation, with reverse osmosis accounting for the majority of new capacity.
Yes, alongside MENA dominant share, the database tracks growing desalination investment across the Americas, Asia, and Africa amid rising water-stress pressures.
Records include leading water utilities and private desalination operators at the facility level, alongside commissioning and expansion status.
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