My bill period end date is the 4th which is when I submit my meter readings from the 5th to the 10th when I go online to check the total of my bill every day from as early at the 5th to the 10th I can get a total every day but it is always different each day - increasing always. I cannot under why there computer has to calculate my readings why it takes so many recalculations over 3 to 5 days to produce the final bill I would have thought all the information to calculate my bill is in the computer and one run would calculate an accurate bill. Any thoughts or similar occurrence I am On OFGEMs tariff not a plan which I would have thought would make it even easier?
Why does online balance recalculate a few days after reading submitted?
Best answer by Firedog
Updated on 30/01/25 by Ben_OVO
- … when I go online to check the total of my bill … it is always different each day - increasing always.
There’s a difference between your bill and what you see online, because that shows the balance on your account. A bill is issued once a month (for most users) giving the account balance at the end of the billing period. The account balance changes each day to reflect the cost of the energy you’ve consumed since the last bill was issued. So, it will normally increase from day to day, but it will of course go down when you make a payment.
- … until they resolve all the problems with [smart meters] as well allow it to contact my PC/Laptop at home for me to be able to check the readings at any time I will have no trust in them.
Any complex system involving electronic equipment and communication will run into problems occasionally, but they’re usually not insurmountable. My smart meter was installed in early 2017 and it has performed flawlessly ever since.
I can check my usage and the meter readings in real time (more or less) using the In-Home Display thoughtfully provided by OVO when the meter was installed. If I want a bit more detail, I can call up this on my computer:

These data are half an hour old. What more could you ask for?
If you’re happy to wait 24 hours, the same data are available on the OVO website in excruciating detail, going back years. And the balance on your account will be updated accurately every day.
What is it that you don’t trust?
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