The consumer number in an electricity bill is a unique identifier assigned to each consumer by the electricity provider. It is a reference number that helps the electricity provider identify the consumer and their account. The consumer number is usually a ten-digit number mentioned on the bill. It is also sometimes referred to as the consumer ID. The consumer number is important for billing and customer support purposes, and it is often used as the customer ID for the provider. If you are unable to find your consumer number on your electricity bill, you can contact your service providers authority office and ask them about it.