@Robyn_at_Bulb, thank you for the additional details. I would prefer not to be passed on the cost of any huge fine that the government imposed on Bulb. However, at the end of the day, switching to an EV Tariff is a matter of money (saving money on electricity bills), so a calculation could be made as to whether paying to have a SMETS1 meter replaced with a SMETS2 meter is worth it. To this end, are you able to share a ballpark figure of how much Bulb would charge a customer (on average) to have a SMETS1 meter replaced with a SMETS2 meter? Please share it here if possible (without any personal details), because I think it would be of interest to other Bulb customers as well.
Also, could you confirm whether replacing the SMETS1 meter with a SMETS2 model would solve the radio signal strength issue that is preventing the SMETS1 meter from successfully sending meter readings to Bulb? My earlier point about welcoming a meter replacement was on the assumption that the issue was with the meter, but if the issue is with some WAN tower, then the whole SMETS1 / SMETS2 discussion may be moot.
For what it is worth, I had asked EDF Energy, Octopus Energy and Shell Energy about their policy regarding replacing a SMETS1 meter with a SMETS2 meter in order for a customer to take advantage of an EV tariff with cheaper overnight rates. EDF has a similar stance to Bulb, not willing to replace SMETS1 with SMETS2 free of charge. Octopus Energy and Shell Energy both confirmed, in writing, that they would be happy to replace a SMETS1 meter with a SMETS2 meter free of charge to the customer, but they are not currently taking on new customers (price cap crisis) so switching is not an option for now.