Hi how can I topup my smart meter at the Post office as i don’t have a key or card to insert?
Hi @ken.macritchie 
Welcome to Community
I’m really sorry for the delay getting back to you here.
I can see you’ve been in contact with us and we’ve sent you a digital version of your Payment Allocation Number (PAN) card so you can top up in a shop.
Community is more of a discussion platform, so in future, if you have any account-specific or urgent questions please call us on 0300 303 0635 or via our online chat - both are open Monday to Friday 9am-5pm.
Please let us know if you need any non-urgent assistance here 
Best,
Ollie 