It’s a code that identifies your meter. It starts with 2 letters, which make reference to the country you’re in, in our case it starts with ES, followed by 20 or 22 digits.

You can find your CUPS in an existing bill, where your contract data is located. If you want to know exactly where you can find it, we have some example bills to show you where to locate it. Use the drop-down menu to select your current energy supplier. You'll see we've indicated on example bills where to find your CUPS code.