How can I see if my meter has been changed?

If your meter was an old model, you will notice that the new device is more modern, it will have a digital screen. If you already had a digital model, you will notice a screen with changing data. You need to look at the code that appears: If 1.18.1 and then 1.18.2 appears, it means that the two-time period tariff has been activated. 1.18.1 is the reading for peak hours and 1.18.2 is the reading for off-peak hours.

On some meters 1.18.3 may appear instead of 1.18.2 for your off-peak consumption, but what is important is that only two codes appear 1.18.x)