A method for operating a motorized solar protection home automation installation, comprising: an actuator intended to unfold and fold up a fabric, comprising a motor and a motor control module, and a panel of photovoltaic cells that is fixed or mobile under the effect of the actuator, intended to supply energy to recharge a reserve of electrical energy powering the actuator, the operating method comprising the following automatic steps: determination of a criterion for recharging the energy reserve, if the criterion is satisfied, displacement of the panel of photovoltaic cells or of the fabric to a recharging position in which the panel is exposed directly or by reflection to the solar rays to recharge the energy reserve.