Man, through various processes, has managed to transform solar energy so that we can now distinguish three types: 
1 - Solar photovoltaics: Occurs when a portion of the solar radiation is converted to a photoelectric cell. Several cells are connected via a photovoltaic module.
2 - Solar thermal energy: this energy is used the heat from solar radiation. It presents a variety of ways: hot water heating, solar cooling, kitchens, solar dryers and solar thermodynamic plants.
3 - Passive Solar: This kind of energy is the oldest that was given to solar energy. It is generally used in buildings or houses. The benefit of using this energy in homes or buildings is that they would be contributing to important energetic savings.
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