T1 is the counting register for the off-peak period on the meter, whilst T3 is that of the peak consumption.
The off-peak rate is €0.1298c.
Simply plug in the vehicle during off-peak hours.
Yes, you can apply for ‘Addition’ or ‘Reduction’ with form EV. If the EV meter is single phase and needs to be changed to three phase, then the main meter needs to be changed to three phase as well. Respective fees apply.