An electrically operated aerosol-generating device is provided, including an electrical power supply; an electronic circuit board; an external electrical power contact; an electrical power line, configured to electrically couple the external electrical power contact to the electronic circuit board; and a ground plane including an elongate conductive member connected to a negative terminal of the electrical power supply and being configured to electrically couple the power supply to the electronic circuit board, and to structurally retain the electrical power supply and the electronic circuit board, configured to electrically couple the power supply to the electronic circuit board and to structurally retain the power supply and electronic circuit board, the ground plane being further configured to electrically insulate the electrical power line from the elongate conductive member, and to mechanically couple the electrical power line to the elongate conductive member.