Bills and accounts / eBilling

1. How do I log into my online eBilling account?
2. Can I print off a copy of my bill as proof of my address?
3. Can I receive my bill by email?
4. How do I get a refund on my overpayment?
5. I have a payment plan. Can I make additional payments online?
6. When will I receive my first paperless bill?
7. Why can't I view online bills?
8. How do I sign up to eBilling?
9. How can I view and print a copy of my bill if I have signed up to eBilling?
10. How can I reduce my monthly payments?
11. How can I close my online account?
12. Do you offer a discount or incentive if I sign up for eBilling?
13. Do I still need to pay my Direct Debit if my account is in credit?
14. Do I need to make an additional payment if my account has a negative balance?
15. Can I sign up for eBilling?
16. Can I check my account and view my latest bill online?
17. As an eBilling customer how do I revert to paper bills?