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28 August 2012 by Yevgeniy Sverdlik - DatacenterDynamics
Emerson Network Power has launched an updated edition of its book called Energy Logic, which is essentially a manual for reducing data center energy consumption.
Energy Logic 2.0 updates and builds on the first edition, released in 2007, to include technological advances and best practices that have emerged over the past five years. IN addition to the book, Emerson also launched an online tool for calculating the approximate energy savings they can expect if they follow the book’s advice.
Jack Pouchet, VP of business development for hyperscale solutions at Emerson, said the book showed there were still opportuniites to optimize the data center.
“Energy efficiency remains a priority, and a new generation of management technologies that provide greater visibility and control of data center systems has arrived,” he said. “The data center industry is better positioned than ever to make a serious impact in reducing overall data center energy consumption.”
In addition to including new technologies and best practices, the book illustrates how a 5,000 sq ft data center’s energy consumption can be reduced by up to 74% using available technologies.
The cornerstone of the book’s strategy is the cascading effect that occurs when savings at the IT level are magnified at the supporting-systems level. The book essentially recommends focusing on efficiency optimization of the core IT systems first, everything else following.
For example, saving 1W of energy at the server processor level in a data center with a Power Usage Effectiveness (PUE) of 1.9 creates a 2.84W savings at the facility level, according to Emerson.