As sustainability expectations rise, data center operators are being challenged to look beyond energy efficiency and take water use just as seriously. In this article, Dave Meadows, Director of Technology at STULZ USA explains why familiar metrics like PUE and WUE don’t fully reflect water’s environmental consequences—and how The Green Grid’s Water Usage Impact (WUI) metric was built to close that gap.
Read the full text to understand what WUI is and why it matters.