The study found that in 2005, total data center electricity consumption in the U.S., including servers, cooling and auxiliary equipment, was approximately 45 billion kWh, resulting in total utility bills amounting to $2.7 billion. the power consumption bill for the world was estimated $7.2 billion annually. 

The report concluding that over the last five years server energy use has doubled.

AMD calls for increased collaboration of stakeholders both within and outside the industry to step-up efforts to increase energy efficiency in order to reduce energy consumption and associated costs. 

The Green Grid, a tech-industry group, plans to address the increasing power consumption of server systems and the data centers that use them.

New generations of energy-efficient servers are now able to help provide IT departments with a path to reduce their energy consumption while still achieving the performance they require.

Related: Tech Giants to Unveil Power-Usage Plan - WSJ