Uptime Institute: The Average PUE is 1.8

Data Center Knowledge (May 10 2011)

1. The average Power Usage Effectiveness (PUE) rating for data centers is 1.8, according to a survey of more than 500 data centers conducted by The Uptime Institute. PUE has become the leading metric for tracking the energy efficiency of data centers. The average PUE has been a subject of some debate in the industry. The Uptime Institute, which tracks the operations of a group of enterprise data centers, has previously said that the average PUE was around 2.5. Others cite an average of 2.0, and the EPA’s Energy Star program reported a 1.91 average PUE in 2009 data it collected more than 100 data centers. (Read Full Article)

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