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The Green Grid
The Green Grid is a global consortium dedicated to advancing energy efficiency in data centers and business computing ecosystems. Keysource have adopted the PUE and DCiE metrics defined by Green Grid to help understand how to improve efficiency within data centres.
Power usage effectiveness (PUE), is the ratio of power delivered to IT equipment to the total amount of power used by the data center facility.
PUE = Total Facility Power
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IT Equipment Power
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.
DCiE = % of total facility power used for the IT equipment
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