This is something pilot programs are helping to figure out. The ideal case is the driver can set minimum discharge as they can set a maximum charge (that's how

This is something pilot programs are helping to figure out. The ideal case is the driver can set minimum discharge as they can set a maximum charge (that's how it works on the Ford Lightning.) on top of that many EVs have the ability to set a departure time and the vehicle will ensure it is charged to your maximum level at the departure time.