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For example, a data center with high PUE value and high server utilization could be more efficient than a data center with low PUE value and low server utilization. [10] There is also some concern within the industry of PUE as a marketing tool [11] leading some to use the term "PUE Abuse". [12]
It is an addition to the power usage effectiveness (PUE) definition and was first proposed by Greenqloud. [1] The Green Grid has developed the Power Usage Effectiveness metric [2] or PUE to measure a data centers' effectiveness of getting power to IT equipment. What the PUE tells in simple terms is how much extra energy is needed for each ...
PUE measures the percentage of power used by overhead devices (cooling, lighting, etc.). The average USA data center has a PUE of 2.0, [86] meaning two watts of total power (overhead + IT equipment) for every watt delivered to IT equipment. State-of-the-art data centers are estimated to have a PUE of roughly 1.2. [87]
Data center infrastructure efficiency (DCIE), is a performance improvement metric used to calculate the energy efficiency of a data center. DCIE is the percentage value derived, by dividing information technology equipment power by total facility power. [1] [2] [3]
The best PUE a data center can have is 1: an ideal situation, with no extra energy use. When PUE was introduced, studies found that the industry-average PUE was between 2.5 and 3. In more recent studies, the average PUE fell to about 1.7 by using this framework. PUE began the shift of the data-center industry towards energy efficiency. [5]
The British government is making data centers a core element of its economic growth plans, deeming them “critical national infrastructure” to give businesses confidence to invest in them. Starmer has announced deals for new centers, including a 10 billion pound ($13 billion) investment from private equity firm Blackstone to build what will ...
IT energy management or Green IT is the analysis and management of energy demand within the Information Technology department in any organization. IT energy demand accounts for approximately 2% of global CO 2 emissions, approximately the same level as aviation, [1] and represents over 10% of all the global energy consumption (over 50% of aviation's energy consumption). [2]
Data center facilities are heavy consumers of energy, accounting for between 1.1% and 1.5% of the world's total energy use in 2010. [1] The U.S. Department of Energy estimates that data center facilities consume up to 100 to 200 times more energy than standard office buildings. [30]