Practical Examples of Electrical Energy Sources and their Use

Electrical energy is a form of energy that can be derived as a result of the movement of electrons. Electrical energy is transferred in form of the flow of current with the presence of electrical potential or voltage. Electrical energy is a type of kinetic energy. It is clean energy and very easy to convert into another form of energy. Electrical energy can be get from many sources directly or converting other sources of energy. In this article, we are going to know examples of electrical energy or electrical energy sources. These electrical energy examples are can be observed around us.

The examples of electrical energy sources are,

  1. Battery
  2. Solar Cell
  3. Piezoelectric Device
  4. Generator with Wind Turbine
  5. Generator with Water Turbine
  6. Alternator


Example of Electrical Energy Source: Battery

The battery is the direct source of energy. The battery does not generate electricity, it stores the electricity. Once the electrical energy store in the battery, we can directly use electrical energy from the battery until it got discharged. The battery provides power in the form of a direct current.

Solar Cell

The solar cell is also a direct source of electrical energy. This means we can get electrical energy directly from the solar cell when solar or sun rays fall upon it. Basically, a solar cell converts solar energy into electrical energy. It also provides power in the form of direct current.

Piezoelectric Device or Transducer

Piezoelectric Transducers are those which produce an electrical signal when pressure is applied to them. But they generate electrical energy in a very smaller amplitude that cannot be used to drive any load. They are only used for sensing purposes or as a transducer.

Generator with Wind Turbine

It is used in wind power plants. It converts wind energy into electrical energy. The turbine act as a prime mover for the generator. When airflow falls upon the turbine it rotates and also rotates the generator also.

Generator with Water Turbine

It is used in hydropower plants. It also generates electricity using the energy from water flow.

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Electrical Energy Examples for Practical Applications,

  • Electric Heating
  • Motor
  • Lighting
  • Air Conditioning
  • Telecommunication
  • Computing
  • Pumping
  • Lifting

Electrical Heating

An electrical heater is a device that converts electrical energy into heat or thermal energy. There are huge applications of electric heating such as humidity control, cooking, molding, welding, etc. There are different types of heating such as direct heating, indirect heating, ARC heating, and many more.


LED lights, fluorescent tube lights, mercury vapor lamps, are examples of converting electrical energy into light energy.

Air Conditioning

For, air conditioning purposes also electrical energy is required. To operate the compressor, cooling fans, heat pumps, motors, etc electrical energy is required.

Pumping and Lifting

Pumping and lighting purposes also, electrical energy required to operate pumps, lifting machines, etc.


In the telecommunication system, for signal generating, converting, processing, and transferring purposes, electrical energy is required.

Nowadays, more than 80% of our daily useful work can be done with electrical energy. The main advantages of electrical energy are, easy to convert, easy to transfer, easy to utilize, etc.

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Practical Examples of Electrical Energy Sources and their Use Practical Examples of Electrical Energy Sources and their Use Reviewed by Author on 9/07/2021 Rating: 5
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