logoalt Hacker News

whall6today at 1:11 AM2 repliesview on HN

New Gen data centers are closed loop and don’t use water at nearly the same rate as previous generations


Replies

nomeltoday at 1:44 AM

There's also a power generation water cost though!

Something like 500g/MWh for gas/coal/nuclear (~70% of power in AZ), so a huge xAI datacenter (Colossus 2, ~1 GW/h) would use ~700 MW of this type, or ~350k gallons of water an hour, which would be 0.2% of the Colorado rivers flow rate last year.

I don't know if that's significant.

show 2 replies
hn993302today at 1:41 AM

Got an example? I'm pretty sure new datacenters are still using cooling towers.

show 1 reply