Solar energy is the energy provided by the sun’s radiation..With the exception of nuclear energy, geothermal energy and tidal energy (from the movement of water created by the tide), it is the source of all energy on Earth.

Through various processes, solar power can be transformed into heat,electricity or biomass energy.Techniques to directly capture a part of this energy are available and are being improved continuously.

One can distinguish three types of Solar Energy

Solar Photovoltaic:

This refers to electricity produced by converting a portion of solar radiation with a photocell (which is an electronic component, exposed to light (photons), which generates a voltage). Several cells are connected in a solar photovoltaic module. And then, more modules are grouped to form a solar panel system for individual use, or a solar photovoltaic power plant, which supplies an electrical distribution network. The term “photovoltaic” refers to the physical phenomenon – the photovoltaic effect – or the related technology.

Solar Thermal

Solar thermal is to use heat from solar radiation. It comes in different forms: thermodynamic solar power, hot water and heating, cooling, solar cookers and dryers. Solar power is a thermodynamic technique that uses solar energy to generate electricity.

Passive Solar Power:

The oldest use of solar energy is the direct input of solar radiation and is called passive solar Power.

For a building that benefits from good sunlight, it must take into account the solar energy in the architectural design: double facades, orientation towards the south and glass surfaces, among others. The thermal insulation plays an important role to optimize the proportion of the available passive solar heating and lighting. A house or a building which has a high passive solar energy content,contributes to a significant reduction in the amount of energy used and therefore a lowering of your power bills.

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