“The future is vivid” is a phrase not often uttered by European enterprise leaders today. However José Manuel Entrecanales, the chief government of Acciona, is brimming with optimism for each Spanish enterprise and his household’s firm, which he has remodeled from a development agency to at least one centered on renewable-energy infrastructure. He displays a temper in Madrid that’s glad and enthusiastic—in distinction to the nervousness in Berlin or Paris.