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How much does an electric oven cost to run?

An electric oven typically draws around 2400 W while running. Ratings vary widely between models, so check the label and change the figure below.

per kWh
W
g CO2 per kWh
Cost per year
247.63
= Exact Running cost of an electric oven
Cost per month
20.64
Cost per day
0.68
Cost per hour of use
0.67
Energy per year
884.4 kWh
Energy per day
2.4230 kWh
Carbon dioxide per year
221.1
Annual cost of standby alone
2.35
Show the working
  1. Power = 2400
  2. Hours per day = 1
  3. Days per year in use = 365
  4. Electricity price = 0.28
  5. Standby power = 1
  6. Grid carbon intensity = 250
  7. kw = 2400 / 1000 = 2.4
  8. daily_kwh = 2.4 * 1 = 2.4
  9. standby_kwh = 1 / 1000 * (24 - 1) = 0.023
  10. Energy per day = 2.4 + 0.023 = 2.423
  11. Energy per year = 2.423 * 365 = 884.395
  12. Cost per day = 2.423 * 0.28 = 0.678 44
  13. Cost per year = 884.395 * 0.28 = 247.631
  14. Cost per month = 247.631 / 12 = 20.6359
  15. Cost per hour of use = 2.4 * 0.28 = 0.672
  16. Carbon dioxide per year = 884.395 * 250 / 1000 = 221.099
  17. Annual cost of standby alone = 0.023 * 365 * 0.28 = 2.3506

Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.

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    The formula

    • daily energy = power in kW x hours
    • annual cost = daily energy x days x price per kWh

    Nameplate wattage is the maximum draw, not the average. A cycling appliance like a fridge or a freezer averages far less.

    Standby draw is small per device and adds up across a house: ten devices at 2 W each is 175 kWh a year.

    Running cost of an electric oven at different tariffs

    Price per kWh Per hour Per year at 1 h/day
    0.10 0.240087.60
    0.15 0.3600131.40
    0.20 0.4800175.20
    0.25 0.6000219.00
    0.30 0.7200262.80
    0.40 0.9600350.40

    Frequently asked

    How many watts does an electric oven use?

    Typically around 2400 W while running, though models vary. Check the rating plate.

    How much electricity does it use per day?

    About 2.40 kWh at 1 hours of use.

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