An interconnector (9; 23) configured to electrically connect a first photovoltaic cell and a second photovoltaic cell, wherein the first photovoltaic cell and the second photovoltaic cell are adjacent to each other in a first direction, the first photovoltaic cell is located at a first side in the first direction, and the second photovoltaic cell is located at a second side in the first direction, the interconnector (9; 23) comprising: a first electrode configured to be connected to the first photovoltaic cell; a second electrode configured to be connected to the second photovoltaic cell; and a connection body (93; 95) that connects the first electrode and the second electrode, wherein the first electrode includes a first base extending in a second direction that is orthogonal to the first direction and a first contact portion that is integral with the first base and extended in the first direction towards the first side from the first base; the connection body (93; 95) includes a rear first detour connected to the first electrode and extended toward a rear side in the second direction, a rear second detour connected to the second electrode and extended toward the rear side in the second direction, and a first joint extended in the first direction to connect the rear first detour and the rear second detour, and the rear first detour includes a rear first curved part that is curved toward the first side in the first direction, wherein the rear first detour includes a rear first body part linearly extending in the second direction from the rear first curved part, then gradually extending toward the second detour, and then being connected to the first joint, wherein the rear first curved part extends from the rear first body part toward the second side in the first direction and then toward the first side in the first direction before a front end of the rear first curved part connects to a rear end region of the first base of the first electrode, and an edge of the rear first curved part towards the second side is curved and is connected to an edge of the first base towards the second side at an angle (θ) that is greater than a right angle. a first electrode configured to be connected to the first photovoltaic cell; a second electrode configured to be connected to the second photovoltaic cell; and a connection body (93; 95) that connects the first electrode and the second electrode, wherein the first electrode includes a first base extending in a second direction that is orthogonal to the first direction and a first contact portion that is integral with the first base and extended in the first direction towards the first side from the first base; the connection body (93; 95) includes a rear first detour connected to the first electrode and extended toward a rear side in the second direction, a rear second detour connected to the second electrode and extended toward the rear side in the second direction, and a first joint extended in the first direction to connect the rear first detour and the rear second detour, and a rear first detour connected to the first electrode and extended toward a rear side in the second direction, a rear second detour connected to the second electrode and extended toward the rear side in the second direction, and a first joint extended in the first direction to connect the rear first detour and the rear second detour, and the rear first detour includes a rear first curved part that is curved toward the first side in the first direction, wherein the rear first detour includes a rear first body part linearly extending in the second direction from the rear first curved part, then gradually extending toward the second detour, and then being connected to the first joint, wherein the rear first curved part extends from the rear first body part toward the second side in the first direction and then toward the first side in the first direction before a front end of the rear first curved part connects to a rear end region of the first base of the first electrode, and an edge of the rear first curved part towards the second side is curved and is connected to an edge of the first base towards the second side at an angle (θ) that is greater than a right angle.