Patent ID: 7741558

Claim:
A solar cell module comprising: a photovoltaic element; a light receiving surface side protective member disposed above a light receiving surface of the photovoltaic element; a back surface side protective member disposed above a back surface opposite to the light receiving surface of the photovoltaic element; the photovoltaic element includes: a first transparent conductive film which is formed on a first surface facing the back surface side protective member; and a second transparent conductive film which is formed on a second surface facing the light receiving surface side protective member, wherein an arithmetic mean roughness (Ra) on a surface of the first transparent conductive film is larger than an arithmetic mean roughness (Ra) on a surface of the second transparent conductive film, the second transparent conductive film is formed of indium oxide to which tungsten is added, the arithmetic mean roughness (Ra) of the surface of the second transparent conductive film is 0.5 nm or less, and the arithmetic mean roughness (Ra) on the surface of the first transparent conductive film is 0.5 nm or more.