This photovoltaic module includes: a power generating element configured to receive sunlight to generate power; and a housing which is closed, the housing having: a concentrating portion provided with a lens configured to concentrate sunlight; a bottom portion in which the power generating element is disposed; and a side wall serving as an outer frame for the bottom portion and supporting the concentrating portion. The side wall is a resin molded body including a resin and glass fibers dispersed in the resin, the resin is one of PET (Polyethylene terephthalate), PBT (Polybutylene Terephthalate), and PP (Polypropylene), and the glass fibers are orientated, in the resin, along a crossing direction that crosses a direction of an optical axis of the lens.