Many companies have released information about their data center energy effiency using the Power Usage Effectiveness (PUE) metric. But none have received more scrutiny than Google, whose exceptional PUE numbers have been widely discussed in the data center industry. The latest data from Google show that the company’s numbers can go up as well as down.
Google’s quarterly energy-weighted average PUE rose to 1.20 in the second quarter, up from 1.19 in the the first quarter of 2009. The best-performing facility had a PUE of 1.15 for the quarter, compared to 1.11 for the most efficient site in Q1.
Tuesday, November 10, 2009
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