In the future, domestic batteries will probably also play a buffer role on the smart grid by regulating renewable energy flows, Read More
What's more, electric car batteries, which remain unused during the day in car parks, could also be used. This is called vehicle-to-grid.
Electric cars could also be used to power the home during the evening, recharging at night at low prices, etc.
All this, of course, requires technical and financial management at all times which only a fully automatic system can provide.