TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The water is marine water. The energy of stages (a) and (b) comes at least from the waves of the sea or sun. Preferred Process: The method comprises, after stage (a) condensing the obtained water vapor. The dissociation of the water in: liquid form is carried out by electrolysis; vapor form is carried out by means of a process of reforming the steam. The means for producing energy from the sun comprises parabolic concentrators of the sunlight; lenses that concentrate the sunlight; and mirrors that concentrate the sunlight.    TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Components: In (A), the means for producing steam comprises an array of heliostats and a solar receiver, situated on top of a tower, through which the water circulates, means for producing energy from the sun, means for storing water in a hermetic enclosure and means for heating the stored water; the means for heating the water comprises carbon rods in contact with the water, the rods being heated by the energy from the sun; the means for dissociation of the water in liquid form comprise a generator of hydrogen and oxygen by electrolysis; and the means for dissociation of the water in the form of steam comprises a system for the production of hydrogen by reforming the steam. (A) comprises: means for producing electrical energy from energy from renewable sources; means for compressing air with the energy obtained from the water of the system itself; means for storing the compressed air; means for heating the air by using energy from renewable sources; and means for producing electrical energy from the compressed air. In (A), the means for producing electrical energy comprise a system for producing energy from the waves of the sea; the means of producing electrical energy comprise steam turbines and electric generators, where the steam is obtained from the water using energy from renewable sources; the means for producing electrical energy comprises hydraulic turbines and electric generators, the water that moves the turbines being that of the system; the means for producing electrical energy comprise the steam turbines and electric generators, means for raising the steam to a certain height, means for condensing the steam, and the hydraulic turbines and electric generators for obtaining electrical energy from the potential energy stored by the water from the condensation of the steam at the height; and the means for producing electrical energy comprise first hydraulic turbines and electric generators, means for raising the water to a certain height and second hydraulic turbines and electric generators to obtain electrical energy from the potential energy stored by the water at the height.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The water is marine water. The energy of stages (a) and (b) comes at least from the waves of the sea or sun. Preferred Process: The method comprises, after stage (a) condensing the obtained water vapor. The dissociation of the water in: liquid form is carried out by electrolysis; vapor form is carried out by means of a process of reforming the steam. The means for producing energy from the sun comprises parabolic concentrators of the sunlight; lenses that concentrate the sunlight; and mirrors that concentrate the sunlight.