Archive for the ‘White Papers’ Category

Micro PUE. The Key to Data Center Energy Savings. by Robert Hunter and Chet Sandberg Most in the data center world have heard of the metric Power Usage Effectiveness, or PUE. PUE was one of the first metrics developed to give data center managers an idea of the energy

A White Paper By Robert Hunter and Chet Sandberg The purpose of this paper is to examine the need for smart metering of facilities at the branch circuit level and determine if such implementations would pay back their investment. To begin with, a definition of the term “smart metering”

By Robert Hunter and Chet Sandberg Power monitoring in data centers has moved from a luxury to a necessity as heat and power densities have risen rapidly. The principal of Management By Information (MBI) states that: You can only manage what you measure. The first tenant of MBI is: The

By Robert Hunter and Chet Sandberg Data center heat density has been increasing since the advent of the server. This has become particularly problematic during the past few years as data center managers have struggled to cope with heat and power intensity problems. These issues have resulted in enormous

With the ratification of the Kyoto Protocol in 2005, a new sense of environmental awareness has swept the globe. It is now understood that electricity and the burning of fossil fuels to create that electricity are a leading cause of climate change and pose a huge challenge to long-term energy