Energy bill calculator

Enter how much gas and electricity you use in a year to estimate your bill at the Ofgem price cap for your region, or at your own tariff rates. Leave a box empty to use Ofgem’s typical use.

Does your home have a mains gas supply?

A connected gas meter has a daily standing charge even if you use no gas.

Electricity usage (kWh/year)

Gas usage (kWh/year)

Region

Payment method

Leave usage empty to use Ofgem's typical figures. Have meter readings instead? Work out usage and cost from readings →

Use my own tariff rates

From your bill or tariff information label. Any box left empty uses the price cap rate shown.

Electricity unit rate (p/kWh)

Electricity standing charge (p/day)

Gas unit rate (p/kWh)

Gas standing charge (p/day)

Estimated annual cost

£1,723

£144 a month on average

Electricity: £858
Gas: £865
Energy you use: £1,415
Standing charges: £308

Uses Ofgem capped direct debit rates for 1 Oct – 31 Dec 2026, England, Scotland and Wales average, including VAT.

Bill higher than this? Find out why →
Check your Direct Debit →