Short answer
Details
Electricity and natural gas (no payment plan)
Go to Payment settings in My Account.
Click or tap Set up direct debit.
Choose a way to pay and follow the prompts.
The changes will take a few days to update. Then, after it's set up, we'll:
send your bills in advance so you can see the amount before it's debited
SMS you a reminder three days before every direct debit transaction.