PennyPerHour

What does it cost to run?

Illustration: home energy costs

Plain-English running costs for UK homes, calculated at today's price cap (26.32p/kWh electricity, 7.97p/kWh gas). No jargon, no guesswork.

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Appliance running costs at a glance

ApplianceCostPer
Kettle (3kW, one boil)3.9pper boil
Electric shower (9kW, 10 min)39pper shower
Fan heater (2kW)53pper hour
Oil-filled radiator (1.5kW)39pper hour
Air fryer (1.5kW, 20 min, full power)13pper cook
Dehumidifier (200W)5.3pper hour
Heated airer (220W)5.8pper hour
TV (100W)2.6pper hour
Electric blanket (100W)2.6pper hour
Laptop (50W)1.3pper hour
LED bulb (8W)0.2pper hour

Electricity at 26.32p/kWh, the Ofgem price cap for 1 October to 31 December 2026. Next change: 1 January 2027.

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How we work out costs

Cost = power in kilowatts × hours used × price per kWh. A 2,000W heater is 2kW, so one hour costs 2 × 26.32p = 53p. We use typical wattages and the current Ofgem price cap, and update the figures every time the cap changes.