An apparatus for collecting and concentrating solar light energy comprising; a transparent container; movable lens means in the container, for collecting solar light energy; optical fiber means located at the focus of the lens means and extending to the outside of the container; first and second drive means for rotating the lens means about vertical and horizontal axes; solar cell means connected to the first and second drive means to drive the same; and, means supported by the lens means, for detecting the position of the sun, said detecting means being connected to the drive means to drive the latter in accordance with the position of the sun.