While average power consumption per rack has been increasing fairly steadily over the past 10 years, the metric I currently use is abound 10kW per rack under reasonable to heavy load - that's about the same as a consumer electric shower.

So, this is implying their Vienna data center has 180 racks? With 60 being about a third, if we say each rack has 40 servers... that's ~7k servers total... which is a sizeable chunk of floor space, like 3000m^2, or... 40 tennis courts?

But yea, that a non-insignificant operation just for the Vienna data center.