The estimates, based in economics, put the minimum current usage of the bitcoin network at 2.55 gigawatts, which means it uses almost as much electricity as Ireland. A single transaction uses as much electricity as an average household in the Netherlands uses in a month. By the end of this year, he predicts the network could be using as much as 7.7 gigawattsas much as Austria and 0.5% of the worlds total consumption.
https://www.livemint.com/Money/3wU3b1IuMYZTl47zYkkcmN/Bitcoin-to-use-05-of-worlds-electricity-by-end-of-2018.htmlWith mining facilities looking to be more and more electrically efficient with the coming years, I feel they will be pushing our electrical technology to tiers that will help us on a global scale.