Household batteries will be key to UK's new energy strategy

UK to pioneer energy innovation through batteries in homes as energy department announces 246m research funding

Batteries and renewable power sources are on the verge of bringing about an "epochal transformation" of the UK that could make energy clean, abundant and very cheap, according to a cabinet minister.

As the government unveiled plans for a more flexible energy system and 246m of funding for battery research, Greg Clark told the Guardian that a smarter grid would "radically" bring down bills.