Green IT › Long Views › May 2, 2011

How a Snapshot of a Green Data Center Can Be Misleading

Facebook is being praised for openly sharing information about its energy-efficient data center in Oregon that is usually kept secret. One specific efficiency metric, power usage effectiveness (PUE), is worth noting for its potential to cut Facebook’s overall energy costs. But the data center’s ultra-low PUE number is only aspect of a larger — and far more complicated — story.

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Katie Fehrenbacher

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