Google Cool Data Centre

Belgium is apparently a great place for energy saving data centers. Google have built a data center which relies on open air cooling, saving the electricity costs associated with traditional water cooling methods. The few days a year that the outside temperature is too hot will result in the centre offloading any work to other centres. More practically though, with a global network of data centres at your disposal, it is easy to shift your daytime peak jobs to somewhere on the night side of the planet where air cooling will be more effective.