Upload your electricity bill and we'll check your unit rate, standing charge, readings and the maths. It's free, and you'll see straight away if anything doesn't add up.
Checked 7 October 2026Written by the MyBillChecker team
The most common electricity bill mistakes
Estimated readings that are too high or too low, followed by a big catch-up bill
Economy 7 readings swapped, so night-rate units are charged at the day rate
The wrong tariff after a fixed deal ends
Someone else's meter on your account, often after moving home
A smart meter that stopped sending readings, so bills go back to estimates
How to check it yourself
Find this bill's start and end readings. Subtract to get units (kWh) used.
Multiply units by your unit rate.
Multiply the number of days by your daily standing charge.
Add them. Electricity used from 1 October 2026 to 31 March 2027 has no VAT. For electricity used outside those dates, add VAT at 5%.
If your bill covers days either side of 1 October 2026, only the days before it should carry VAT. If VAT appears on electricity used after 1 October, ask your supplier to correct it (GOV.UK).
If your total is different from the bill, or the readings are marked "E" for estimated, it's worth checking further.
Frequently asked questions
What is a normal electricity bill?
Ofgem's typical home uses about 2,700 kWh of electricity a year. Your use depends on your home, heating and how many people live there.
Why does my bill say "E" next to the reading?
It was estimated. Send your own reading with a dated photo.
