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Friday, January 21, 2011

Data Center Metrics

The Green Grid ( is a group of data center companies and professionals that hope to improve data center efficiency and computing ecosystems. Recently, the group created two new metrics: the CUE (Carbon Usage Effectiveness) and WUE (Water Usage Efficiency). The two new benchmarks are designed to build upon the widely used PUE (Power Usage Effectiveness) metric that compares the amount of energy a data center uses with the amount of equipment inside. The CUE will compare the total carbon emission created by the Total Data Center Energy variable (found in the PUE metric) against the energy used by the IT equipment.

The carbon measurement is designed to help managers determine how much greenhouse gas emissions the data center generates. The WUE is similar, but it measures the amount of water your data center uses. And by combing the three metrics, an organization can better manage the use of natural resources and reduce consumption to lower costs and lessen the impact on the environment.

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