Smart grids

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"Smart grids" are claimed, especially in some 100% renewables plans, to make it possible to match generation from intermittent renewables to variable demand, by turning non-essential loads off and on when supply is scarce or plentiful.

Blockchain

The use of blockchain technology, as used in Bitcoin and other electronic currencies, is claimed to allow decentralised peer-to-peer trading between electricity producers and consumers.

Virtual Energy Euan Mearns; Energy Matters; 11 Dec 2017

Has the day of the smart computer controlled micro-grid arrived? They reduce dependency on power from large centralised utilities whilst at the same time empowering communities to become self sufficient in energy supplies. Blockchain computer code is the enabling technology that allows the vendor of surplus solar power to trade with a neighbour who wants to buy electricity.