Electricity usage

How much energy appliances use

Typical usage and running cost of household appliances, with a calculator for each one.

Appliance running cost table

From most to least expensive over a year of typical use, with electricity at £0.26/kWh (typical UK price).

ApplianceTypical usagekWh/yearCost/year
🚿 Electric water heater1,700 kWh/yr1,700£442
♨️ Electric heater2,000 W960£250
💧 Dehumidifier280 W336£87
🍳 Induction hob1,300 W332£86
🧊 Fridge250 kWh/yr250£65
🌀 Tumble dryer1.5 kWh / load234£61
❄️ Freezer220 kWh/yr220£57
🍽️ Dishwasher0.8 kWh / cycle208£54
💻 Computer90 W164£43
🔥 Electric oven1 kWh / cook156£41
💨 Hair dryer2,000 W146£38
🎮 Games console (PS5, Xbox, Switch)200 W146£38
🫧 Washing machine0.6 kWh / wash125£32
👔 Iron1,100 W120£31
📺 TV80 W117£30
📶 Wi-Fi router10 W88£23
🍟 Air fryer0.4 kWh / cook83£22
🫖 Electric kettle0.1 kWh / boil80£21
🧹 Vacuum cleaner700 W77£20
🌬️ Fan45 W32£8
📡 Microwave80 Wh / use29£8
☕ Coffee machine25 Wh / cup18£5
🛏️ Electric blanket60 W14£4
💡 Light bulbs8 W12£3
🔋 Phone charging15 Wh / charge5£1