The sun is a big ball of fire which is the most abundant and everlasting source of energy on the earth. Thus the energy given by the sun ( heat and light) is called solar energy.
Solar energy is the transformation of heat, the energy that comes from the sun. It has been used for thousands of years in many different ways by people all over the world. The oldest uses of solar energy is for heating, cooking, and drying.
- Renewable Energy Source. Among all the benefits of solar panels, the most important thing is that solar energy is a truly renewable energy source. ...
- Reduces Electricity Bills. ...
- Diverse Applications. ...
- Low Maintenance Costs. ...
- Technology Development. ...
- Cost. ...
- Weather-Dependent. ...
- Solar Energy Storage Is Expensive.
In 1839, French physicist Edmond Becquerel discovered the photovoltaic effect while experimenting with a cell made of metal electrodes in a conducting solution. He noted that the cell produced more electricity when it was exposed to light.