Domestic vehicle-to-grid (V2G) can deliver ancillary services to the UK’s electricity network and earn revenues, but what is thought to be the world’s biggest trial of the technology has found that the costs of associated hardware are still too high for many consumers.

UK-based energy supplier OVO Energy has launched a suite of “revolutionary” products under its proprietary digital intelligence platform, including what has been called the world’s first widely available domestic vehicle to grid (V2G) charger.