In 1988 the 4th Order optic was replaced by a rotating beacon. This comprised an array of quartz halogen lamps in aluminium parabolic reflectors mounted on a gearless revolving pedestal. The lamps require only one-fifth of the energy required to produce the same intensity as incandescent lamps. These low-power lamps therefore allow solar power to be used in place of generators. In addition, the operation of the light is controlled by a photocell. The manning of the lighthouse was further reduced to two men. The use of solar energy which is freely and readily available has resulted in a reduction of operating and maintenance cost.