Quite an interesting article in E&T:
How a lack of joined-up thinking could block EV charging expansion | E&T Magazine (theiet.org)
I thought that UK substation fuses were more that 200 - 300A (800A??).
Is the unbalanced phase problem realistic?
Does the 'car to grid' feeding in to the cable and potentially causing an unmonitored overload also apply with other local generation such as solar PV?