Documents/SASCSR/5: Environment/5.2.1: Energy Consumption/Indicator:3

Indicator: 3

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Measurements in/of Data Center Power Usage

Type Actual Actual Target
StartDate 2011-01-01 2012-01-01 2013-01-01
EndDate 2011-12-31 2012-12-31 2013-12-31
PUE 1.35 1.35
Description This past year, the new Data Center achieved an average power usage effectiveness (PUE) of 1.35. This remained unchanged from 2011. The data center industry uses the PUE calculation as a measure of efficiency. A PUE of 2.0 means that for every watt of IT power consumed, an additional watt is consumed to cool and distribute power in support of the IT equipment. A data center is more efficient when it uses less energy to run the facility than to power the IT equipment. Thus, the closer it gets to a PUE of 1.0, the more efficient it is. Other larger growth percentages are due to adding offices in areas with a small office footprint, including Canada and Latin America.