Home owners will still benefit fully from their Government-backed generation and feed-in tariffs when Powervault is installed but will start to notice a substantial reduction in their electricity bills.

“The boxes are the size of a dishwasher and silently charge up during sunny spells, monitoring whether electricity is flowing in or out of the house. As soon as solar panels stop bringing in power, they flip to “discharging mode” and begin to power appliances in the home. Even during the day, if you need a burst of energy to power an oven or kettle, for example, Powervault starts discharging.”

Read the full article on Telegraph.co.uk