My business energy bill is estimated — how do I get it corrected?
Take a photograph of the meter showing the reading and the serial number, send it to the supplier and ask for the account to be rebilled from the last actual read. Estimates are not errors in themselves, but they compound: an under-estimate becomes a catch-up bill later, and an over-estimate ties up your cash.
Last reviewed 2 September 2026 by Utilities Made Simple · independent, whole-of-market, supplier-paid — how we are paid
How to tell it is estimated
Bills mark readings with a letter: A for actual, E for estimated, C for customer-provided. A run of Es is the thing to look for. On the same bill, check the meter serial number matches the meter on your wall — billing against the wrong meter is rarer but far more expensive to unpick later.
Getting it put right
- Read the meter today. Photograph the display and the serial number in one frame, so the reading is evidenced.
- Send it and ask for a rebill from the last actual reading, not just a corrected current bill. The words that matter are "please rebill the account from the last actual read".
- Check the rebill against your contract rates when it arrives — a rebill recalculates volume, and occasionally reapplies the wrong price.
- Ask why the meter was not read. Access problems and failed communications are fixable; nobody will fix them unless you raise it.
If the correction goes back years
Suppliers generally do not back-bill business customers indefinitely, and long-running estimation is usually the supplier's failure rather than yours. If you are presented with a large catch-up covering an extended period, ask for the actual reads it is based on, ask what prevented the meter being read, and put any dispute in writing. Micro businesses can escalate to the Energy Ombudsman at deadlock.
The permanent fix is usually a working smart or automated meter read — see how do I get a smart meter for my business?
Ask an energy specialist
If your question is not answered above, send it to us. A specialist answers personally, normally within one working day. No sales call, no obligation — and if the answer is "your deal is fine", that is what you will get.
Want this checked against your own bill?
Email a recent bill to info@utilitiesms.co.uk and a specialist will check your rates, VAT, levies and contract end date against the live market — free, usually the same working day. If your deal is already good, we will tell you to keep it.