How To Calculate The Power Consumption Of Household Appliances?
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On the way to figuring out how much energy you require in total, determine how much power each of your appliances consume. Your power consumption is measured in watt-hours. So, you need to know the watts used by an appliance. It varies with each of the electric appliances. What is it’s size, type, time in use, and the technology of the device, etc. There are a couple of methods to know the wattage of an appliance.
You can check the wattage of an appliance near the AC power cord. This may be in amps or watts. If it is in amps, then knowing the house voltage; you use a simple formula:
Watts = Amps * Volts
THE KITCHEN
The kitchen is the hub of a home, so find below the power rating/ consumption per day/year
Fridge
150 to 200 W
365 days – continuously
201 kWh
Microwave oven
1000 to 1500 W
48 weeks – 1.5 h/week
90 kWh
Conventional electric oven
2000 to 2500 W
48 weeks – 1.5 h/week
162 kWh
Toaster
1200 W
48 weeks – 1 h/10 days
44 kWh (approx.)
blender
200 W
48 weeks – 2 h/10 days
14.6 kWh
–THE LIVING ROOM
LCD TV
90 to 250 W
335 days – 4 hours/ day
241kWh
LED TV
20 to 60 W
335 days – 4 hours/ day
54kWh
Low-energy light bulb
12 W
335 days – 5 hours/ day
20 kWh
Game console
20 to 180 W
387 hours/ year
7.75 to 69.5 kWh
TVD/ADSL decoder
365 days – continuously
277 kWh + 112 kWh
Halogen lamps
300 W
335 days – 5 hours/ day
503 kWh
Stereo system
40 W
335 days – 4 hours/ day
53.6kWh
Window AC
660 W
365 days – 6 hours/ day
1445.4kWh
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