How best can Data Centre providers address the energy challenges associated with the sector?

Hi Derrick - I joined Outvise recently and came across your question this morning.  There are by too many variables involved to address these challenges satisfactorily in this forum.  Performance and efficiency metrics such as PUE, PI, and DCiE can be calculated and should provide the information to make an appropriate decision.  Please refer to the attached file for a high-level overview of a practical approach.

The_iOS_Protocol_-_A_practical_approach_to_Data_Centre_optimisation_~_V4.03_~_19Oct2018.pdf