As you probably have seen, there is a ton of information on the web about data center energy efficiency. Here is a recent slide set from the DOE with lots of useful information and links to more: http://www1.eere.energy.gov/industry...esentation.pdf
And speaking of managing power needs, be sure to order your power equipments early. Apparently, orders on generators have a lead time reaching from 1 to 2 years.
__________________ There are three kinds of death in this world. There's heart death, there's brain death, and there's being off the network. ~Guy Almes
thanks for your suggestiona and sharing the link. I was confused after seeing so much about it on intenet but i got what i was looking for and it would be very useful for me.
Undergaround DC's do have its pros: Lesser sound, they get dampened easily. Better cooling as ground tend to be cooler provided there is sufficient flow of air in DC.