A load arrangement for powering loads on a surface of a marine structure exposed to a liquid, the liquid constituting an electrically conductive medium, the load arrangement comprising: - a transmitter arrangement and - at least one carrier medium shaped as a sheet; the carrier medium having a back surface to be arranged in or on the surface of the marine structure and a front surface to be in contact with the liquid, the carrier medium comprising - a multitude of loads embedded in the carrier medium; each load being coupled between a first power node and a second power node for receiving supply current from a power source; - multiple front electrodes at the front surface, each connected to one or more of the first power nodes and arranged to be coupled to the electrically conductive medium; and - one or more back electrodes connected to one or more of the second power nodes, each back electrode comprising a back electrically conductive layer embedded in the carrier medium near the back surface to form, in combination with an opposite area of the marine structure and a dielectric layer, a back capacitor for capacitive transfer of the supply current between the second power node and one pole of the power source coupled to the marine structure; the transmitter arrangement having a supply line arranged for coupling to the other pole of the power source and a multitude of transmitters galvanically connected to the supply line, the multitude of transmitters being distributed along the supply line to be arranged in contact with the electrically conductive medium near the multiple front electrodes, respective transmitters being located near respective one or more front electrodes. - a transmitter arrangement and - at least one carrier medium shaped as a sheet; the carrier medium having a back surface to be arranged in or on the surface of the marine structure and a front surface to be in contact with the liquid, the carrier medium comprising - a multitude of loads embedded in the carrier medium; each load being coupled between a first power node and a second power node for receiving supply current from a power source; - multiple front electrodes at the front surface, each connected to one or more of the first power nodes and arranged to be coupled to the electrically conductive medium; and - one or more back electrodes connected to one or more of the second power nodes, each back electrode comprising a back electrically conductive layer embedded in the carrier medium near the back surface to form, in combination with an opposite area of the marine structure and a dielectric layer, a back capacitor for capacitive transfer of the supply current between the second power node and one pole of the power source coupled to the marine structure; the transmitter arrangement having a supply line arranged for coupling to the other pole of the power source and a multitude of transmitters galvanically connected to the supply line, the multitude of transmitters being distributed along the supply line to be arranged in contact with the electrically conductive medium near the multiple front electrodes, respective transmitters being located near respective one or more front electrodes.