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Photovoltaic Electricity
Overview

Every day, the earth receives in the form of solar energy the equivalent of the electricity consumption of 5.9 billion people for 27 years. Photovoltaic technology enables us to turn this energy into electricity.

This transformation takes place without noise or gas emissions: it is therefore totally clean. In addition, the fact that there is no movement of mechanical parts means that it has an unparalleled level of reliability (a module's average life expectancy is estimated at 30 years).

As a source of clean, renewable energy, photovoltaic energy fits perfectly into the current environmental policies of the governments of the industrialised nations, which were formalised by the Kyoto agreements.

The result of this environmental policy, as set out in the "White Book", is a commitment by the countries in the Union to produce 12% of their energy from renewable sources in 2010 and consequently to reduce greenhouse gas emission levels.

Worldwide production of photovoltaic energy is therefore increasing rapidly.

As a result of this growth, the photovoltaic industry is investing heavily in research and development to improve on current technologies and bring in new alternatives.
These upstream technological advances and the increase in production quantities has led to a fall in the cost per Watt and the arrival of new, more efficient products.


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This column was realized with the support of the program ALTENER
(N° 4.1030/Z/99-425)


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