Understanding Kilowatt hour - the unit of energy measurement

The kilowatt-hour (SI symbol: kWh or kW h; commonly written as kWh) is an energy unit equal to one kilowatt of power sustained for one hour, or 3600 kilojoules (3.6 megajoules). It is commonly used as a billing unit for energy delivered by electric utilities to consumers.

If you take a close look at your electricity bills, the units on which you are charged your monthly electric bills is on are nothing but Kilowatt hour or kWh.

Consumers all around the world and in Chandigarh or Delhi NCR too, are typically charged in kilowatt-hours for electrical energy. The cost of operating an electrical device is calculated by multiplying the power consumption in kilowatts by the operating time in hours and the price per kilowatt-hour. The unit price of electricity charged by utility companies may vary over time depending on the customer's consumption profile. Prices vary greatly depending on where you live. Prices in different states in the United States can vary by a factor of three.

While smaller customer loads are typically only billed for energy, transmission services, and rated capacity, larger consumers must also pay for peak power consumption, which is the highest power recorded in a relatively short period of time, such as 15 minutes.

Understanding what a kilowatt-hour is and what it can power can help you save money. This knowledge can assist you in monitoring your electricity usage, making informed decisions about energy conservation, and lowering your monthly electric bill. You'll also learn how to convert KW to kWh using a formula.

What exactly is a Kilowatt-Hour?

A kilowatt-hour, abbreviated as kWh, is a unit of measurement for how much energy you use.

It's not the number of kilowatt-hours you use in an hour, despite what appears to be the case. A kWh is the amount of energy consumed by running a 1,000 watt appliance for one hour. Because 1,000 = kilo in metric, 1,000 watts equals a kilowatt.

For example, if you turned on a 100-watt light bulb, it would take 10 hours to consume one kilowatt-hour of energy. A 2,000-watt appliance, on the other hand, would take less than a half-hour. It all boils down to dividing an appliance's wattage by 1,000.

Kilowatt-Hour vs. Kilowatt

What is the distinction between kilowatt and kilowatt-hour? A kilowatt is 1,000 watts, which is a power measurement. A kilowatt-hour is the amount of energy required by a machine to run for one hour.

So, if you have a 1,000 watt drill, it will require 1,000 watts (or 1kW) to operate. If you run that drill for an hour, you'll have used one kilowatt of energy, or 1kWh. If you are being charged Rs10 per unit or Kilowatt hour than your electric bill to run this drill for 1 hr would be Rs10.

Example 1:

How Much Electricity Does an Air Fryer Use?

Air fryers are one of the more popular kitchen gadgets, so we’ll do the math for you. The average air fryer is 1450 watts. And the amount of electricity your air fryer uses will depend on what you are cooking and for how long. Let’s say we’re cooking some air fryer fried chicken, which will take around 30 minutes.

Air Fryer Wattage: 1450W Time used: .5 hours or 30mins

1450 watts X .5 hours = 725 watt-hours used 750 watt-hours / 1000 = .75 kWh or Kilowatt hour to fully cook fried chicken in an air fryer. So if you ate fried chicken every day for a month (yum), in a month your air fryer would use 22.5 kWh of electricity. In Chandigarh, where the average electricity price is Rs 8 per kWh, you’d spend Rs180 using your air fryer. This is of-course, excluding the taxes charged according to your Kilowatt hour consumption.

Example 2:

One kilowatt-hour of energy is used by an electric heater that consumes 1000 watts (1 kilowatt) and runs for one hour. 1 kilowatt-hour is used by a television that consumes 100 watts and runs continuously for 10 hours. One kilowatt-hour is used by a 40-watt electric device that runs continuously for 25 hours. A healthy adult male manual labourer works for around half a kilowatt-hour during an eight-hour day in terms of human power.

How Many Kilowatt Hours (kWh) Does a House Use Per Day?

One frequently asked question is, "How many kWh does a house use per day?" The amount of kWh you use is affected by the following factors:

-How big is your house?

-Your residence's age (especially related to insulation)

-There are a lot of people who live there.

-The number, type, and age of appliances

-How do you heat and cool your house?

-Whether or not you have a pool

-The environment wherein you live

According to our sales team understanding of the average peak demand for a residential home customer in India in 2020 was 732 kilowatt hours (kWh) per month. That means that the average household's kWh consumption per day in India is 24.4 kWh (732 kWh / 30 days). This average is true for Chandigarh households too.

How to Save Money on Your Electric Bill

Being energy-conscious is one of the most effective ways to reduce your electricity bill.

It starts with simple things like turning off lights when you leave a room and adjusting your thermostat before leaving for work. Paying attention to your appliances can help you gain even more control over your expenses. Those that are always on standby, such as televisions, computers, and stereo systems, consume power even when they are not turned on.

Furthermore, whenever possible, use energy-saving appliances. When shopping for a new microwave oven or dishwasher, one of the first things you should look for is the kWh rating.

If you want to save on energy bills without compromising with your lifestyle choices, then installing a on-grid rooftop solar plant is the best option you have. Solar panels come with a 25years of warranty and can save 100% of your monthly electric bills without you having to cut corners or timing on using your appliances.


If you want to be the part of BigWit family, you can give us a call on 7082955224 or send us a mail on sales@bigwitenergy.com. BigWit Energy is one of the best solar companies in Chandigarh and we offer EMI plans of upto 3 years for our customers too pan India!

Alternatively you can schedule a callback from us at your preferred time over here.

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