System for managing hydrogen production and storage, the system comprising a Solid Oxide Electrolyzer configured to receive a heat input, a water input and a power input and configured to produce hydrogen, a wind turbine configured to provide electric supply for the power input of the Solid Oxide electrolyzer; a first tank configured to house a liquid carrier suitable for being hydrogenated, a hydrogenation system with a first input intended to receive the hydrogen produced by the Solid Oxide Electrolyzer and a second input intended to receive the liquid carrier from the first tank and configured to hydrogenate the liquid carrier in order to produce a hydrogenated liquid carrier, producing waste heat, heat transfer means configured to transfer the waste heat produced by the hydrogenation system to the heat input of the Solid Oxide Electrolyzer, a second tank configured to receive the hydrogenated liquid carrier produced by the hydrogenation system, and a floating offshore structure (7, 8, 9) comprising means to house and/or provide support to the elements (1, 2, 3, 4, 5, 6) of the system in an offshore environment, wherein the offshore structure comprises a tower sub-structure configured to provide a support for a wind turbine; an electrolyzer sub-structure configured to provide a support for the electrolyzer; a hydrogenation sub-structure configured to provide a support for the hydrogenation system; and a tanks sub-structure configured to house at least a portion of the first tank and/or the second tank, wherein the tanks sub-structure comprises an inlet valve to fill the first tank with new organic liquid and an outlet valve to extract hydrogenated liquid organic hydrogen carrier from the second tank to an external off-taker, such that current vessels can supply dehydrogenated liquid carrier from land and can load the hydrogenated liquid carrier to be safely transported to land. a Solid Oxide Electrolyzer configured to receive a heat input, a water input and a power input and configured to produce hydrogen, a wind turbine configured to provide electric supply for the power input of the Solid Oxide electrolyzer; a first tank configured to house a liquid carrier suitable for being hydrogenated, a hydrogenation system with a first input intended to receive the hydrogen produced by the Solid Oxide Electrolyzer and a second input intended to receive the liquid carrier from the first tank and configured to hydrogenate the liquid carrier in order to produce a hydrogenated liquid carrier, producing waste heat, heat transfer means configured to transfer the waste heat produced by the hydrogenation system to the heat input of the Solid Oxide Electrolyzer, a second tank configured to receive the hydrogenated liquid carrier produced by the hydrogenation system, and a floating offshore structure (7, 8, 9) comprising means to house and/or provide support to the elements (1, 2, 3, 4, 5, 6) of the system in an offshore environment, wherein the offshore structure comprises a tower sub-structure configured to provide a support for a wind turbine; an electrolyzer sub-structure configured to provide a support for the electrolyzer; a hydrogenation sub-structure configured to provide a support for the hydrogenation system; and a tanks sub-structure configured to house at least a portion of the first tank and/or the second tank, wherein the tanks sub-structure comprises an inlet valve to fill the first tank with new organic liquid and an outlet valve to extract hydrogenated liquid organic hydrogen carrier from the second tank to an external off-taker, such that current vessels can supply dehydrogenated liquid carrier from land and can load the hydrogenated liquid carrier to be safely transported to land.