The sanitary crisis had already shown the unsuitability of the European rules in the energy area. The break of several supply chains had provoked tensions on fossil fuels which were, especially in France, passed on power prices. The States had to intervene to protect the purchasing power and the situation of enterprises whose production costs would be weighted down.To that already fragile situation are added now the consequences of the invasion of Ukraine by Russia which is one of the main supplier of fossil fuels of Europe. Its exports constitute an essential source of revenue and allow to financing ...