The invasion of Ukraine by Russia has disrupted the oil and natural gas supply in many countries and have made wake up of the necessity to grant security to the power production. The prices increases which have resulted from that have forced the States to adopt measures which were costly for their public finances to protect consumers and to permit the survival of enterprises, confronted with production and operating costs increases which they couldn’t pass on to their clients; The choice, consisting in betting on renewables to take over from fossil energies revealed itself wrong, Germany brought the proof ...