Work out what your home's energy really costs
Free calculators that use the official price for your region and show every step of the sum.
Electricity costs 26.32p per kWh under the price cap.
pence per kWh, 1 October to 31 December 2026
Great Britain average, paying by Direct Debit. See the price for your region.
Calculators
- Appliance running cost calculator What anything electrical costs to run, by the hour, day and year.
- Energy bill calculator A year's gas and electricity at the price cap for your region.
- EV charging cost calculator What a charge costs at home or away, and the cost per mile.
- Electric car vs petrol running costs What the same miles cost in an electric car and a petrol or diesel one.
- Energy prices by region Unit rates and standing charges for your postcode.
Guides
- Energy price cap What the cap is now, what it limits and what it means for your bill.
- Warm Homes Plan: grants and loans Which government grants and loans are worth checking for your home.
- Which electric heater is cheapest to run? Why the power matters more than the type, with costs by the hour.
- Appliance running costs What 30 common appliances cost to run.
- Rules and changes Dated changes to prices, grants and rules, with sources.
Converters
- Watts to amps converter Convert between watts and amps at UK mains voltage.
- BTU to kW converter Convert heater and air conditioner output between BTU and kilowatts.
- Watts to kWh converter Turn a power rating and a time into units of electricity.
Energy prices now
| Fuel | Unit rate | Standing charge |
|---|---|---|
| Electricity | 26.32p per kWh | 54.83p a day |
| Gas | 7.97p per kWh | 29.68p a day |
Averages for Great Britain, paying by Direct Debit. Source: Ofgem: Energy price cap unit rates and standing charges. Checked 13 November 2026.
Why these calculators are different
Every price comes from a published source such as Ofgem, and we show which one and when we last checked it. Every result has a "Show the workings" button that lists each step of the sum, so you can check it yourself.