Case Study 2
An Internet Data Center Holds Demand Constant While Increasing Computing by 55%
One facility's efforts to improve energy efficiency offset the energy demand from an increased, electrically active, computer room area. The energy-efficiency measures included better optimization of power distribution units, power management modules, computer room air-conditioning units, alterations to operating conditions, facility-wide reductions in lighting, and improved facility controls.Although the subject data center had expanded its operations by roughly 33% from the previous year and increased the electricity demand associated with the computer equipment by 55%, the total computer room power density—which includes cooling and auxiliary equipment!—remained the same as the previous year at 355 W/m2.
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