Volterra Report

Water, Watts, & Workloads

How Data Centers Use (and Can Save) Water in the AI Era

December 202515 minutesCoolingTechnical
Cover of Water, Watts, & Workloads

Synopsis

A practical view of the energy-water trade-off in data center cooling, including how AI and high-density workloads are changing the design equation. The report compares evaporative, dry, liquid, and reclaimed-water approaches without forcing a one-size-fits-all answer.

Key takeaways

  • Cooling choices should be evaluated through both energy and water performance, not one metric alone.
  • Direct liquid cooling can enable dry or near-waterless heat rejection in many new high-density builds.
  • Climate, grid mix, water availability, workload, and community expectations determine the right system.

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Water, Watts, & Workloads

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