Some materials, even the semiconductor ones, have the ability to convert the different components of sunlight into electricity. This is the photovoltaic efect, which is achieved by the solar panels.

Nowadays the photovoltaic energy has plenty of advantages: the access to the  resources is simple and does not impact on the environment. The risks of failure are almost zero and the characteristics of the photovoltaic materials do not deteriorate over time, giving a life expectancy of thirty years.

The solar farms consist of several thousands of solar panels installed on several hectares.

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