An endless number of concepts, analysis and information related to Green Hydrogen and its socio-economic context; 27 meetings and 58 speakers: this is the balance left by these first 6 months of the series of talks that, within the context of its Green Hydrogen Strategic Plan, has been offered by the Province of Rio Negro. Each of these meetings was presented in a weekly report where the magazine Naturaleza y Tecnología summarized the main aspects of each talk, with 27 statements of this interesting initiative from Río Negro, which still has a lot to be explained. In this case, the central focus was the "Use of Green Hydrogen to make the electric system more flexible", an approach proposed by Eng. Fernando Rubén Marull.