How A Good PUE Can Save 10 Megawatts

Data Center Knowledge (Sep 13 2010)

1. At a time when the industry is debating the appropriate use of metrics like Power Usage Effectiveness (PUE), Digital Realty Trust has produced some real-world data to illustrate how improved efficiency can save power and money. Digital Realty recently released results of an energy audit of customer power usage at its data center campus in Santa Clara that houses servers for companies including Facebook, Twitter and Yahoo. Digital Realty found that the customer data center space at the campus was operating at an average PUE of 1.6, despite using just 53 percent of the available power. PUE measurements tend to improve as a data center nears full utilization, which is one reason why large users such as Google report industry-leading ratings in the 1.1 to 1.2 range. (Read Full Article)

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