Photovoltaic module, photovoltaic panel, and production method for photovoltaic module

A photovoltaic module comprising:

• 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, wherein
• 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),
• the glass fibers are orientated, in the resin, along a crossing direction that crosses a direction of an optical axis of the lens,
• the side wall has a rectangular frame shape including four wall portions,
• the four wall portions each have a rectangular shape with its longitudinal direction crossing the direction of the optical axis and include a pair of gate marks being a trace of a gate used at injection molding, and
• the pair of gate marks is provided at each of both end portions in the longitudinal direction of an outer face of each of the four wall portions.