Google's estimated power usage is not hearsay in this case, from the actual article (linked to): "To my knowledge, this is the first time that Google has revea

Google's estimated power usage is not hearsay in this case, from the actual article (linked to): "To my knowledge, this is the first time that Google has revealed specific details about their total data center electricity use (they gave me an upper bound, not an exact number" In doing the electricity --> server guess, he gave them up to a 30% credit for self-assembled vs. off the shelf servers.