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60-70 percent electrical energy use by IT equipment indicated in teh article seems too high value, since in a multi-story data center HVAC, lighting, and elevators also have significant power consumption. Efficient IT equipment should not be able to use more than 30 percent use of total power consumption in a data center.
An additional point to note is that the IT infrastructure equipment can also lend flexibility to the data center design. An innovative design of a chilled-water, closed-loop cooling system can extend the life and capacity of data centers with limited cooling resources. HP’s MCS G2 (Modular Cooling System) can integrate with existing and future server cabinets and does not affect how servers are currently deployed, operated, and maintained. The water-chilled, closed-loop cooling system:
* Provides a path for customers to increase power density up to 35 kW per rack (or up to 17.5kW with a dual rack configuration)
* Supports fully populated high-density racks while reducing the overall heat load on the facility
* Saves valuable floor space and cooling resources that would be required for under-utilized racks
Mr. Ankit Gupta, HP
Product Manager
How about the installation of power management and equipment triggers such as timers or motion sensors for lighting for example? Cooling can be optimized using a hot air/ cold air management strategy or water or refrigerant liquid based cooling; or maybe we should look to our Swiss counterparts and find out why they like theirs underground...
Regards,
Howard