De-Salination Companies
Author argues water infrastructure and desalination firms are overlooked second-order AI plays due to massive data center cooling needs.
- AI data centers consume enormous amounts of water for cooling, creating a critical bottleneck in water-stressed regions.
- Water infrastructure acts as a 'picks and shovels' play, benefiting regardless of which AI model or chipmaker wins.
- Long-term AI infrastructure spending will make water a much bigger conversation, offering overlooked upside.
I feel like everyone is chasing the obvious AI trade (NVIDIA, AMD, hyperscalers, etc.), but I’ve been spending more time thinking about what AI requires rather than what powers the chips.
The more data centers get built, the more they need two things that are becoming increasingly constrained: power and water.
Power gets talked about constantly now. Water… not nearly enough.
Modern AI data centers consume enormous amounts of water for cooling, and many of the regions seeing the biggest buildouts are already dealing with water stress. That has me looking at desalination and water infrastructure companies as a long-term second-order AI play.
Some of the names I’m researching are:
● ERII (Energy Recovery)
● CWCO (Consolidated Water)
● PNR (Pentair)
I’m not saying AI automatically means desalination becomes a trillion-dollar industry. But if AI infrastructure spending continues for the next decade, I have a hard time believing water won’t become a much bigger conversation.
It’s similar to investing in the “picks and shovels” during a gold rush. Instead of trying to pick the winning AI model, I’m asking what every major data center will eventually need regardless of who wins.
Am I missing something here? Is the market already pricing this in, or do you think water infrastructure is still an overlooked part of the AI buildout?
Curious what everyone else thinks, especially if you’ve done research on desalination or industrial water companies.

r/valueinvesting