Data centers, the key backbone of the cloud, are growing larger and more energy intensive, prompting the Department of Energy (DOE) to launch a new initiative on Tuesday aimed at improving their energy efficiency.
According to DOE statistics, data center electricity use doubled between 2001 to 2006, from 30 to 60 billion kilowatt-hours of electricity, and stood at about 100 billion kilowatt-hours of electricity as of 2013. This amounts to about 2% of all U.S. electricity use and climbing.
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