Not sure how you are managing this, are you sure your numbers are correct? When I turn my kettle on it consumes more then 2kW, yes it is running for a few minutes at a time but it all adds up, not to mention the electric oven.

With all major appliances off (except the fridge/freezer) I consume ~0,13 kW/h, that adds up to 3,36 kWh in 24 hours.