Rob Harper, group project manager at npower said: 'As an energy company, we have a major responsibility to assist the UK Government to meet its climate change targets and sustainability goals. We have already made significant inroads in reducing emissions from our power stations and we are experts in helping our customers reduce their consumption, and therefore bills, through energy efficiency measures. The time has now come to help decarbonise the transport sector.

'We are considering all options for the electric vehicle tariff, but our main aim is to match the usage for charging the vehicle from renewable sources and to make it as affordable as possible. We hope to make the tariff available to consumers during the summer.'

In addition to the new EV tariff, npower is launching a dedicated EV website, where visitors can follow the developments within the energy sector.