This book constitutes the thoroughly refereed post-conference
proceedings of the Second International Workshop on Energy Efficient
Data Centers, E²DC 2013, held in Berkeley, CA, USA, in May 2013;
co-located with SIGCOMM e-Energy 2013. The 8 revised full papers
presented were carefully reviewed and selected from numerous
submissions. The papers are organized in topical sections on energy and
workload measurement; energy management; simulators and control.