Desalination
Membrane desalination is a proven technology. Whether a project works still depends on electricity, getting the water to users and dealing with the concentrated waste. The advances worth watching are the ones that cut the total cost of delivered water and the environmental burden at the site in question.
Research snapshot · updated Nov 12, 2026
Core thesis
Seawater reverse osmosis is the dominant desalination method, and global installed capacity is now roughly 95 million m3/day and climbing. Best-in-class SWRO plants run near 2.8 kWh/m3, with typical operating energy falling as energy recovery and membranes improve. Saudi Arabia, the UAE and Israel remain the largest users, and the Gulf sets the cost frontier – ACWA Power has signed tariffs below $0.50/m3. Solar- and renewable-powered desalination is the growth frontier; brine disposal and marine-intake permitting are the unsolved problems, not the membranes.
State of the art (2026)
Seawater reverse osmosis is now the default: best-in-class plants run near 2.8 kWh per cubic metre, and the cost frontier sits in the Gulf. Saudi Arabia's state producer – renamed Saudi Water Authority from SWCC in 2024 – supplies roughly a fifth of the world's desalinated water, while ACWA Power's IWP pipeline (Ras Mohaisen reached financial close in December 2025) keeps setting record-low water tariffs. Energy Recovery holds close to 90 per cent of the pressure-exchanger market that determines SWRO operating cost, and is rolling out its PX Q650. The unsolved problems remain brine disposal, marine-intake permitting and renewable firming, not the membranes themselves.
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Signal stack
Evidence stacked leading → lagging
8 signals
Signal stack
Evidence stacked leading → lagging
Technology-native KPIs
Metrics that predict trajectory, tracked over time
3 tracked
Technology-native KPIs
Metrics that predict trajectory, tracked over time
Landscape map
Who builds what, and who depends on whom
174 players · 6 layers
Landscape map
Who builds what, and who depends on whom
Catalyst calendar
Dated events that will move the position
2 ahead
Catalyst calendar
Dated events that will move the position
Technology roadmap
Milestones on the path to maturity
8 milestones
Technology roadmap
Milestones on the path to maturity
Watchlists
Companies, people and papers, each with a condition for removing it
20 · 19
Watchlists
Companies, people and papers, each with a condition for removing it
Decision frameworks
What our view means for your job
Locked
Decision frameworks
What our view means for your job
Thesis changelog
When our view changed, and why
8 updates
Thesis changelog
When our view changed, and why
Change our mind
3 disconfirming conditions
You've read the verdict. The file is much deeper.
The full signal stack, technology-native KPIs tracked over time, the landscape of who depends on whom, the dated catalyst calendar, decision frameworks for every desk, live watchlists and a record of every time our view on Desalination has changed. All of it is in CanaryIQ.