Energy is at the center of the economic activities of a country. An excessive cost harms production and a shortage causes the stoppage of equipments along with the unemployment of the affected employees. It has an essential role in inhabitant daily life through its cost which weights on purchasing power and through its availability which protects against cold weather and allows public services which have a vital character to function. It is why energy independence and supply safety constitute in most of the countries an objective and have lead France, which has no fossil fuels resources, to launch a massive ...