A wiring module (49) that comprises: a wiring board (69); a base part (38) that has the wiring board (69) arranged thereupon; and an adhesion layer (59) that adheres the wiring board (69) to the base part (38). The wiring board (69) includes: a land part (60) that has a power generation element (19) mounted thereon; and a wiring part (63) that is electrically connected to the power generation element (19). The adhesion layer (59) has: a land adhesion region (50) that adheres the land part (60) to the base part (38); and a wiring adhesion region (53) that adheres the wiring part (63) to the base part (38). The width of the wiring adhesion region (53) is smaller than the width of the land adhesion region (50).
