| The sun offers good energy and in an amount more than what we need.
Also in times of "energetic hunger" like these, the energy that the sun continuously irradiates on the earth is equal to 10.000 times worldwide energetic requirements. |
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| Between all the energetic sources available to us, the sun represents the more long-lasting energetic source by far, with a life expectation of billions of years. |
| In central Europe the sun is an energy source on which trust can be made.
In order to cover worldwide energetic requirements with the photovoltaic would be a sufficient surface area of 145.000 Km2. It corresponds to a square with 380 km sides. |
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