The Energy Collective, Dec. 1, 2016, by Giles Parkinson.
http://www.theenergycollective.com/energy-post/2394218/why-sharing-solar-is-the-next-big-thing-in-energy

"The disruption and the opportunities being offered by solar PV and battery storage are likely to be accelerated massively by the introduction of new software such as the “blockchain” system that has already taken root in financial systems...."