You have some maths wrong in your paper. 11kw average consumption of a house , it's more like 33.
And why compare it to paypal or google?
Compare that to the electricity banks consume.
In my parents hometown ~ 50k they have 21 banks , 2 of them are 3 floors high and over 1000mp2 . Let's compare how energy they waste and how much the bitcoin network does.
I'm trying to get more data, that was just a first draft. I think I can also better estimate the average watts:gigahash ratio, based on what companies have shipped what amount of power.
I did the original comparisons to other computing giants, I really want data on how much power Visa consumes. Banks would be nice, but I imagine they'd be hard to find....
I want the data on how much power it takes to print, store, and transfer money. If anyone can help me out, PM me, and lets get this paper more factual!