Time for new sustainability metrics?

Nicolas Dube, a datacenter efficiency strategist at HP, was recently the subject of a lengthy video interview where he gave an overview of new datacenter sustainability metrics in addition to Power Usage Effectiveness (PUE). These new sustainability metrics include the following:

  • Energy Reuse Effectiveness (ERE). A metric that is focused on heat reclamation.
  • Water Usage Efficiency (WUE). A site-specific metric that covers water usage in evaporative cooling.
  • Carbon Usage Effectiveness (CUE). A metric that tracks total carbon impact. This metric also includes the amount of carbon used by the electricity supplied to the datacenter.

Nicolas pointed out that the datacenter industry is increasingly moving towards looking at the big picture when it comes to measuring environmental impact. Hence, the new metrics he discusses do a much better job of assessing this total impact.

 

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