British Gas has introduced its first smart point - of - use tariff for electric vehicle ( EV ) owners , providing cheaper electricity between 12.30am and 7.30am so they can charge their cars for less . The Centrica - owned group claims that charging cars at home will mean drivers use up to 50 % more electricity . Up until November 2020 , the smart tariff is dual fuel with no exit fees , and is expected to cost an average £ 1,547 ( $ 1,980 ) per year , based on an EV user consuming an additional 2,340 kWh of electricity annually by charging their car at home .
British Gas has introduced its first smart time-of-use tariff for electric vehicle (EV) owners, providing cheaper electricity between 12.30am and 7.30am so users can charge their cars for less. The Centrica-owned group said that charging EVs at home can mean drivers use up to 80% more electricity. Fixed until November 2020, the smart tariff is dual fuel with no exit fees, and is expected to cost an average £1,547 ($1,980) per year, based on an EV user consuming an additional 2,340 kWh of electricity annually by charging their car at home.