Solar energy is an alternative source of energy that is generated from the sun. Basically, it is based on cell technology that converts energy generated from the sun into electricity. Solar panels are made up of cells that generate electric power.

The cells are referred to as photovoltaic cells . These cells are made up of materials known as semiconductors. The most common semiconductors are germanium and silicon. There are a lot of advantages that come with using photovoltaic cells

The major advantage is that they are environmentally friendly. There is no burning of fossil fuels when electricity is being generated. This means that they are a clean source of energy. To add on to that energy that is generated from the sun is renewable. You will also save money if you convert to this alternative source of energy.

Although the initial costs are relatively high, once you have the solar panels system running there will not be any need for you to keep using electricity from the grid. This means that you will not have to worry about paying the monthly electricity bill anymore. The system can also power a number of electric goods.

You can also heat up your swimming pool and water tank. Thus the system is quite versatile. There has been huge developments technology wise in the past couple of years. Recently we have seen the use of thin film cells that are coated with light absorbing material. They basically increase the efficiency of the panels.

Nowadays people are also using magnetic modules as well as nanotechnology to increase efficiency. With nanotechnology the cells are able to harness the infrared radiation from the sun even when it is dark. Solar panels are therefore important if we want to make use of a source of energy that is environmentally friendly.