Zero-WUE + Sub-1.10 PUE as Compliance Path
While no federal program explicitly mandates optimal cooling today, regulatory trajectory strongly favors Diamond Cool as GB300 mandates liquid cooling and water conditions attach to incentives.
30% investment tax credit on clean energy + storage at data centers. Pairs with §179D efficiency deduction.
Evaporative cooling moratorium in water-stressed counties — zero-WUE required for new builds.
March 2026 enforcement on fluorinated coolants — Diamond Cool is PFAS-free.
| Signal | Timeline | Implication |
|---|---|---|
| GB300 mandatory DLC | 2026 | All new AI racks require liquid cooling |
| EU PFAS restriction | Mar 2026 | Fluorinated coolant replacement required |
| AZ evaporative moratorium | Active | Zero-WUE required for new DC permits |
| Microsoft zero-water standard | Late 2027 | Industry norm shift to closed-loop |
| Community DC opposition | 2025–2026 | Water = #1 permitting risk |
| Diamond Cool positioning | Now | Compliance path: zero WUE + sub-1.10 PUE + PFAS-free |