NOVELTY - The method for demand-dependent control and/or grading of an output power of energy-powered energy converter by geothermal and/or regenerative energy, is claimed. The energy converter converts an electrical energy into hydrogen in a process powered by water electrolysis, where the hydrogen is converted to a hydride with a carrier material (2) to be supplied to consumer via a pump. The hydrogen is produced in a high pressure electrolyzer (4a) and the carrier material is hydrogenated in an autoclave.    USE - The method is useful for demand-dependent control and/or grading of an output power of energy-powered energy converter by geothermal and/or regenerative energy.    ADVANTAGE - The method is capable of economically, simply, easily and efficiently demand-dependent control and/or grading of the output power of energy-powered energy converter thus allowing the converter to produce the hydrogen with high purity.    DETAILED DESCRIPTION - The method for demand-dependent control and/or grading of an output power of energy-powered energy converter by geothermal and/or regenerative energy, is claimed. The energy converter converts an electrical energy into hydrogen in a process powered by water electrolysis, where the hydrogen is converted to a hydride with a carrier material (2) to be supplied to consumer via a pump. The hydrogen is produced in a high pressure electrolyzer (4a) and the carrier material is hydrogenated in an autoclave. The hydrogen produced by the electrolyzer is used under exploitation of the pressure in the autoclave for loading of the carrier material. An exchange of the carrier material and hydride takes place between consumers and autoclave simultaneously in the mutual exchange. An INDEPENDENT CLAIM is included for a device.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of a device.    Pressure vessel (1)    Carrier material (2)    Gas space (3)    High pressure electrolyzer (4a)    Electrical current conducting line. (5)