Look at the Savings

A Customers Actual Electricity Costs Before Solar Installation (from octopus energy website) Green is overnight car charging of an EV.

We Installed 12 panels with a 3.6kW inverter, no battery

After Installation - Left is electricity used by the home, right is the electricity paid back for export,

With charging an EV all week you can see the instant savings! a weeks electricity cost the customer just 23p!!!