As with all appliances, different models and brands of kettle are all made differently and therefore have different rates of energy consumption. The average kettle is between 2 and 3 kilowatts (kw).
See the energy consumption of a Kettle maker using 2000 Watts for 20 minutes (0.33 of an hour) a day @ £0.19 per kWh.
Cost Per Hour: £0.3800
Cost Per Day: £0.0760
Cost Per Month: £2.31
Cost Per Year: £27.41
kWh Per Day: 0.40
Tip:You can save some energy by brewing a larger amount of and storing it in a vacuum flask or Thermos, instead of making single cups throughout the day.