The term extension is useful in economic terms – even if the target 12 years, the economic potential is not yet fully exploited. The energy has become a central factor of production. What enabled the one to break meant that such France strongly dominated by agriculture remained because the coal deposits were less unequal. Thus, France flanked by two industrial giants and fell successively – economically, militarily, politically. Nowadays, in the era of a less integrated world economy, the presence of energy sources is essential. At the same time, there are comments that nuclear power is now no longer actually needed. The replacement by flexible gas power plants, however, will not be built, since may well continue to make money on nuclear power.