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How To Calculate Home Load?

19th May 2021  

Electricity bill is an essential expense. With the world forcing people to spend more time in their homes, the money end users spend on their bills has increased. A great number of citizens have complained about the rise in prices. But following the current situation, the amount will only increase with the time you spend inside your home.

The best method to counter this increase in the bill amount would be to use solar panels. Solar panels can reduce electricity bills without compromising the efficiency of your appliances.

A foolproof way to take care of the problem would be to know the level of electrical consumption of the appliances you use daily in a process called load calculation.

For example, the electrical consumption of normal bulbs, LED bulbs, and tube lights can be very different. The number of bulbs in your home also increases electrical consumption. By knowing how much electricity an electrical device uses per day, we can equate the data with the number of devices in your house to get the electrical load. 

An electrical load calculation goes like this,

  • First, you should get the electrical consumption of one device.

  • Then you get the number of the same devices in your devices.

  • Now multiply both.

The answer you get is the electrical load of that particular device.

Do the same electrical load calculation for all the devices in your home including fans, lights, and other electrical appliances. The sum total of all the electrical load calculation for all devices in your home is called the home load.

Let us take the example of bulbs and fans. A normal ceiling fan uses 75W per hour and a normal bulb uses 30W to 50W, depending on the company. Multiply the 75W with the number of fans in your house, this gives the electrical load of fans. Do the same with the bulbs and all the other devices. Add all the electrical loads. Thus the house load calculation is complete.

Inverter while being extremely useful is also an appliance that works with electricity. Sometimes inverters can be a cause for the increase in your bills. Voltage problems and other assorted problems with your inverter can be the causes of this increase. Therefore while calculating home load don’t forget to add on the inverter load. The inverter load is the total load that your inverter will be able to carry and it depends on the battery capacity. Inverter load calculation is simple and it requires a formula. The formula is,

  • Inverter load = (battery capacity x input voltage)/ usage time (in hours)

In conclusion, calculating the home load can help you manage the electrical consumption in your home. It gives you an idea of which devices use more power and which devices are contributing to the increase in the bill. In this way, you can manage the overuse and wastage of electricity in your house. Electrical load calculators are readily available on most electrical appliance websites.

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Borivali (E), Mumbai - 400066. Maharashtra, India.
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Toll Free - 1800-2121-321, Email: waaree@waaree.com
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