The Limitations of Power Usage Effectiveness (PUE) as a Data Center Efficiency Metric
Power Usage Effectiveness (PUE) has long been the standard metric for evaluating the energy efficiency of data centers. Introduced by The Green Grid, PUE is defined as the ratio of total facility energy consumed to the energy consumed by the IT equipment. While PUE has been instrumental in driving awareness and improvements in data center […]
ASHRAE 90.4 Update
In most jurisdictions ASHRAE 90.1 is used as the building energy standard to be followed as part of their building codes. Data centers were often exempt from 90.1 until 2010 when they were specifically noted to be included. There was push back, as some provisions of 90.1 were deemed too prescriptive, so in 2012 there […]
Self-driving data centers
As we delve deep into another year there are no shortage of summaries over the last year and predictions for 2020 and the next decade. The last year, as the year before, has seen even more awareness of climate change and advocation for renewable energy sources. Along with this is the demand for smarter services, […]