Abstract: Exemplary embodiments include a solar and non-solar fence slat designs for use in a modular fence system. The fence slat comprises an elongated slat body having a front side wall, a back side wall, bottom side wall, top side wall, right side wall and left side wall. The slat first and second fasteners coupled to right and left sides of the elongated slat body and being configured to couple or interlock with adjacent slats. The slat also includes at least one chain-link interface coupler coupled to the back side wall to connect to at least one horizontal cross-bar of a chain-link fence. In an embodiment, the fence slat has a solar panel integrated therewith.