2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/9244We present a theoretical model for driving jets by accretion onto Kerr black holes and try to give an answer to the following question: How much energy could be extracted from a rotating black hole and its accretion disk in order to power relativistic jets in Active Galactic Nuclei?4 pages, 1 figure. To be published in the proceedings of the XXXXth Rencontres de Moriond: "Very High Energy Phenomena in the Universe"Astrophysicstext