Octopus Energy has launched the 2kWh and 5kWh ‘Nook’ home battery range to “help people tap into the cheapest energy possible”.

The announcement was made by the energy supplier’s founder and CEO Greg Jackson (above) at an event held as part of London Climate Action Week.

Consisting of two different sizes depending on the size of property, the batteries will charge when electricity on the grid is cheapest and then discharge the power into the home when electricity is at its most expensive.

“Home batteries are a brilliant piece of tech and one of the smartest ways to cut energy bills right now. Offering Octopus batteries to our customers is a big step in our mission to help people to tap into the cheapest energy possible,” said Jackson.

The smaller of the two – Nook Cube – is a shoebox-sized 2kWh battery that has been designed for those with smaller properties, such as flats, or renters. The unit is plugged into a standard socket with extra storage capacity available up to 10.5kWh.

The larger...