A solar cell panel comprising: a plurality of solar cells disposed in a second direction; and a plurality of wiring members electrically connecting two neighboring solar cells of the plurality of solar cells in the second direction, wherein each of the plurality of solar cells includes: a semiconductor substrate; a first electrode formed on the semiconductor substrate, wherein the first electrode includes a plurality of first finger lines that are formed in a first direction crossing the second direction and are parallel to each other, a first bus bar including a plurality of first pad portions is electrically connected to the first finger lines and is positioned in a second direction, wherein the plurality of first pad portions include a first end pad positioned on one end side of the first bus bar, and a first extension pad positioned on another end side of the first bus bar, wherein an area of the first end pad is smaller than an area of the first extension pad, wherein each of the plurality of solar cells is a fragment divided from a mother solar cell, wherein each of the plurality of solar cells includes a cut surface and a non-cut surface in the first direction, and wherein the first extension pad is disposed near to the non-cut surface and the first end pad is disposed near to the cut surface. a plurality of solar cells disposed in a second direction; and a plurality of wiring members electrically connecting two neighboring solar cells of the plurality of solar cells in the second direction, wherein each of the plurality of solar cells includes: a semiconductor substrate; a first electrode formed on the semiconductor substrate, wherein the first electrode includes a plurality of first finger lines that are formed in a first direction crossing the second direction and are parallel to each other, a first bus bar including a plurality of first pad portions is electrically connected to the first finger lines and is positioned in a second direction, wherein the plurality of first pad portions include a first end pad positioned on one end side of the first bus bar, and a first extension pad positioned on another end side of the first bus bar, wherein an area of the first end pad is smaller than an area of the first extension pad, wherein each of the plurality of solar cells is a fragment divided from a mother solar cell, wherein each of the plurality of solar cells includes a cut surface and a non-cut surface in the first direction, and wherein the first extension pad is disposed near to the non-cut surface and the first end pad is disposed near to the cut surface. a semiconductor substrate; a first electrode formed on the semiconductor substrate, wherein the first electrode includes a plurality of first finger lines that are formed in a first direction crossing the second direction and are parallel to each other, a first bus bar including a plurality of first pad portions is electrically connected to the first finger lines and is positioned in a second direction, wherein the plurality of first pad portions include a first end pad positioned on one end side of the first bus bar, and a first extension pad positioned on another end side of the first bus bar, wherein an area of the first end pad is smaller than an area of the first extension pad, wherein each of the plurality of solar cells is a fragment divided from a mother solar cell, wherein each of the plurality of solar cells includes a cut surface and a non-cut surface in the first direction, and wherein the first extension pad is disposed near to the non-cut surface and the first end pad is disposed near to the cut surface.