1 unit of Electricity- Calculation and Cost
1 unit of electricity is an important parameter for understanding the energy consumption by the electrical load. A Watt (W) is the standard unit of power or load. The watt(W) is the rate of energy transfer over a unit of time.
1 kW =1000 W.
When a 1 kW load is running for 1 hour time, the amount of power consumed by the load is called 1 unit of electricity.
1 unit electricity = 1kW x 1 hour = 1 kWh (kilowatt hour)
Calculation of Electricity consumption:
By understanding 1 unit of electricity, you can calculate the maximum electricity consumption of your home. First, you need to calculate the total connected load in your home. The Watt rating is mentioned in every home electrical appliance. After adding all the ratings, you will get the total load of your home.
Suppose, the total connected load of your house is 1800 watts. If you run all the load on a continuous basis, your daily electricity consumption will be
Daily electricity consumption =1800 W X24 hours = 1.8kW x 24 hour=43.2 kWh=43.2 units.
In practice, home electrical appliances are not running on a continuous basis. Based on the actual uses, suppose the average load is 1200W.
Daily electricity consumption =1200Wx24 hours = 1.2kWx24hour=28.8kWh= 28.8 Units.
Hence, monthly electricity consumption = 28.8 units x 30 days= 864 units.
Actual electricity consumption is always available in the electricity bill.
Calculation of Electricity Bill:
Electricity bills completely depend on the total consumption of electricity for the particular month and the unit rate of electric charge.
Electricity bill amount = Total units x price per unit.
The consumption of electricity is completely depending on the uses of the electrical appliances, however, the unit charge can vary based on the demand load and actual consumption.
Per or 1 unit electricity cost is always available in the electricity bill. The approximate cost per unit of electricity is Rs. 5 to 10 and it also varies from state to state. You can verify your electricity bill by yourself.
