Thanks. "Procurement for Asia datacenter has started" is big news! Is energy efficiency a criterion for the product/supplier selection?
(This needs not be something very complicated. For instance Dell asks a small surcharge if you want a more efficient PSU, IIRC. http://www.dell.com/learn/uk/en/ukbsdt1/help-me-choose/hmc-power-supply-unit-12g?ref=CFG)
Nemo