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Mark Davidson, Sustainability Officer for JouleX, an innovator in enterprise energy management systems for data centers, distributed office environments and facilities.
Power Usage Effectiveness (PUE) has been called “The Holy Grail” of data center energy metrics so often that we actually found it impossible to find out who coined the term. As time, technology and sustainability efforts evolve, the PUE metric is no longer the stopping point for energy efficiency measurement, but it has become just one more piece in the larger picture.
What does PUE do? It measures how much of the energy entering a data center facility is used to power the computing devices within, versus the amount used for cooling and overhead of the facility. That’s it.
More of the Data Center Knowledge article from Mark Davidson