We're going to ask about you, about the site you're leaving, who is taking over responsibility for it and where you're going.
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If we recently let you know that we’ve moved your account to our new billing system, or if you’re joining npower Business as a new customer, the number is 0800 980 5505.
You account number can be found on the left hand side of your bill.
For more information please visit the your invoice section of this site.
If you need help with your meter readings please refer to our metering pages.
This is for the electricity meter.
It's the 13 digit number on the bottom row of the grid by a large S
You can find this on your electricity bill or from your local electricity distribution supplier.
This is for the gas meter.
It's the 5 to 10 digit number in this format: 1234567890