arrays used for the generation of electricity accordingly the present invention will be described hereinafter in connection with solar arrays it should be understood however that the following description is only meant to be illustrative of the present invention and is not meant to limit the scope of the present invention which has applicability to other types of solar energy collectors fig1 illustrates a solar array tilting tacking system 10 constructed in accordance with one embodiment of the present invention the system 10 is connectable to a solar array 12 and may be mounted on a peak 14 of a roof 16 by means of a conventional mount m the mount m may be fabricated from material such as wood fiber and or metal the system has a controller 18 that is connected to an actuator 20 a plurality of photo sensors 22 e g conventional leds or photo resistors are arranged on the system in a pattern for viewing sunlight and provide signals to the controller 18 for purposes that are described hereinbelow the actuator 20 has a moveable member 24 that is connectable to the solar array 12 by means of conventional fasteners such as bolts or screws more particularly the moveable member 24 has an axis of rotation that that may be oriented in the same direction as the peak 14 of the roof 16 thereby permitting the moveable member 24 to rotate the solar array 12 about the peak 14 of the roof 16 a motor not shown and conventional mechanical elements such as gears not shown are positioned in the actuator 20 and are connected to the moveable member 24 the actuator 20 has an angular positional sensor not shown for sensing the tilt angle t of the moveable member 24 i.