Energy Supplier Gone Bust: What Happens to Your Bill?
Learn what to do when an energy supplier goes bust, how your supply, credit, debt and Direct Debit are handled, and when you can switch to a new deal.
Read articleEnter two meter readings and the rates from your latest tariff for a clear estimate of usage and standing charges.
The familiar calculation from the original site, explained more clearly.
We subtract the previous meter reading from the current reading to find the kilowatt hours used.
Your usage is multiplied by the unit rate, then the daily standing charge is added for the billing period.
Keep VAT off for inclusive figures, or add 5% when working from VAT-exclusive rates.
Choose an appliance, enter your electricity rate and see daily, monthly and yearly costs. Compare different routines to see what you could save.
Try the appliance cost calculator →Enter the older reading first and the newer reading second. Ignore digits shown in red and numbers after a decimal point. Economy 7 meters have two readings that should be calculated separately.
Learn how to read your meter →Simply copy the unit rate and standing charge shown on your bill—there is no account connection or sign-up.
Review your supplier






Learn what to do when an energy supplier goes bust, how your supply, credit, debt and Direct Debit are handled, and when you can switch to a new deal.
Read article
Learn why an electricity bill is estimated, check the reading and calculation, submit an actual meter reading and deal with an unexpected catch-up bill.
Read article
Check your final energy bill after moving or switching, claim unused credit and understand the six-week deadline and £40 compensation rules in Great Britain.
Read article