They don't really talk about it on their website, but IIRC the Brooklyn Microgrid project uses a blockchain to keep an immutable ledger of transactions between

They don't really talk about it on their website, but IIRC the Brooklyn Microgrid project uses a blockchain to keep an immutable ledger of transactions between net consumers of power and net producers and handle transactions between the two. The website is directed more toward potential neighbourhood participants, so it doesn't really get too technical. Heard a talk last spring on the subject by a professor from Ryerson (Toronto. I can't recall his name off the top of my head) who went into detail on how the project works. http://brooklynmicrogrid.com/ http://brooklynmicrogrid.com/ I'm not sure this necessarily couldn't be implemented otherwise, but it is a core part of how it has been functioning as far as I know.