Our ability to generate renewable energy from the suns rays has increased significantly due to advances in photo-voltaic cells. The word photovoltaic is a combination of two words; photo which means light and voltaic, which means electricity. Photovoltaic is one of the methods of generating energy from sunlight. Using semiconductors that follow the photovoltaic effect sun light is converted into renewable energy. Photovoltaic cells are made of various materials including mono and polycrystalline silicon, amorphous silicon, copper indium sulfide and cadmium telluride.

Photovoltaic solar panels have photovoltaic cells that are alight to absorb suns rays into a thin beam, which is further connected to DC wire.

Photovoltaic solar panel generates electricity by the exposure of sunlight on the photovoltaic material. Many people mistake the photovoltaic effects to be the photoelectric effect. In the photoelectric method, electrons are ejected to the surface of the solar cell material when exposed to enough sunlight. Whereas the photovoltaic effect is, when the electrons generated at the exposure of sunlight is exchanged within bands inside the photovoltaic cells.

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Satellites orbiting the earth and their spacecraft were the first things to be power by the DC generated from the photovoltaic effect. However, the application of Photovoltaic current has a lot of applications today. Solar energy is used today for powering appliances at home and are even used to power whole houses.

Photovoltaic solar panels need to be protected from the climate changes and other environmental damage. A tough glass sheet is used to pack these cells. When more electricity is required from a single photovoltaic cell, more cells are attached to it to form a module that is capable of producing the required amount of electric current.

Even thought solar panels provide the benefits of almost free electricity. A lot of commercially available  solar panels for individual homes are very expensive. For this reason most people prefer to make their own solar panels as with the right instruction this can be done for a fraction of the cost. Making solar panels at home is easier then it seems and it is also cheaper. With the right guide to making solar panels you will have no problem making a photovoltaic solar panel for your home.

Few countries of the world offer incentives to people who use solar energy. These countries include Japan and Germany.  Year after year solar energy has been increasing for the last decade. A solar power plant has a capacity of 10-60MW but with the current growth rate and innovations in science this capacity is expected to grow to 150MW. Japan, Germany and USA lead in Solar energy generation and account for almost 90% of the world’s solar energy.

When the solar energy was developing in the 70’s only a few people had solar plants. Today, people have started making solar panels themselves for their home use.

Solar energy is one of the most rapidly growing and scurrying alternative energy resources in the world. The cost of setting up photovoltaic solar panels has drastically decreased because of the knowledge of photovoltaic cells and solar energy.

Almost one hundred countries around the world are working to develop and improve solar energy production. Between the decreasing fossil fuels and the increasing trend of alternative energy sources, solar energy is the future.

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