Tootfinder

“The key reason, the ECIU says, lies in how British households use smart meters and flexible electricity tariffs. While petrol prices are broadly similar in both countries, UK electric car drivers can charge their cars overnight using cheap, surplus electricity at rates as low as 7p per kWh.”
https://www.

It’s cheaper to run an EV in the UK than it is in Germany
British electric car drivers are saving £540 more on running costs than their German counterparts