The present application relates to an arrangement for supplying energy to isolated buildings. The arrangement comprises at least one energy generating installation for providing an electrical current, at least one electrolyzer for producing hydrogen from water using the electrical current from the energy generating installation, at least one first chemical reactor for at least partially hydrogenating at least one substrate with an extended π-conjugated system using the hydrogen formed in the electrolyzer, at least one storage tank for storing the substrate hydrogenated at least partially in the first chemical reactor, at least one second chemical reactor for at least partially dehydrogenating the at least partially hydrogenated substrate which was produced in the first chemical reactor and stored in the storage tank with the release of hydrogen, and at least one fuel cell for the oxidation of the hydrogen release in the second chemical reactor with the release of energy.