Electricity usage of an Alarm Clock Radio

Alarm clock radios are a common household appliance used to schedule wake up time to the sound of radio or preloaded music. Modern alarm clocks with built in radios which are Energy Star rated use between 1 and 2 watts of power, while some older models or models which have many extra features can use up to 5 watts. We estimate that a standard alarm clock radio will use 2 watts.

Click calculate to find the energy consumption of a standard alarm clock radio using 2 Watts for 24 hours a day @ $0.10 per kWh.

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Hours Used Per Day: Enter how many hours the device is being used on average per day, if the power consumption is lower than 1 hour per day enter as a decimal. (For example: 30 minutes per day is 0.5)
Power Use (Watts): Enter the average power consumption of the device in watts.
Price (kWh): Enter the cost you are paying on average per kilowatt hour, our caculators use the default value of 0.10 or 10 cents. To find an exact price check your electricity bill or take a look at Global Electricity Prices.

If you are away for an extended period of time it might not be a bad idea to unplug your alarm clock radio, so that it is not draining unnecessary electricity.


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