Water Usage Effectiveness (WUE) is a sustainability metric created by

The Green Grid The Green Grid is a nonprofit, industry consortium of end-users, policy-makers, technology providers, facility architects, and utility companies collaborating to improve the resource efficiency of data centers. At one time it had more than 175 ...

in 2011 to attempt to measure the amount of water used by

datacenter A data center (American English) or data centre (British English)See spelling differences. is a building, a dedicated space within a building, or a group of buildings used to house computer systems and associated components, such as telecommunic ...

s to cool their IT assets. To calculate simple WUE, a data center manager divides the annual site water usage in liters by the IT equipment energy usage in kilowatt hours (Kwh). Water usage includes water used for cooling, regulating humidity and producing electricity on-site.searchdatacenter.techtarget.com, Data center energy efficiency, retrieved 16 Sep 2015
/ref> More complex WUE calculations are available from

website.

References

Benchmarks (computing) Water conservation {{Environment-stub