Source Card — Microsoft
Microsoft datacenter blog, December 2024; Microsoft environmental sustainability report
Operator disclosure of fleet WUE and of a closed-loop, zero-water-for-cooling datacenter design.
Publisher
Microsoft Corporation — datacenter announcement dated December 2024 on zero-water cooling designs, and the company's annual environmental sustainability reporting for water metrics.
What it establishes
That a hyperscale operator has published a fleet-level WUE figure of roughly 0.3 L/kWh, and has committed to chip-level closed-loop cooling designs that are filled once and recirculate continuously, with first deployments named in Phoenix, Arizona and Mount Pleasant, Wisconsin.
Evidence weight
Self-reported and unaudited in this archive. It is strong evidence about what is technically being built, and weaker evidence about fleet-wide outcomes.