NOVELTY - A solar panel comprises: a first multi-cell thin-film photovoltaic module; a second multi-cell thin-film photovoltaic module; and a pair of panel terminals for connecting the solar panel to an external circuit.    USE - The solar panel is useful for converting solar energy into electrical energy.    ADVANTAGE - The solar panel is highly efficient and cost effective.    DETAILED DESCRIPTION - A solar panel comprises: a first multi-cell thin-film photovoltaic module of a first fabrication type comprising a transparent support forming a front surface of the panel, a first pair of connection terminals on the transparent support, and a first set of cells of a certain area, being on the transparent support, and being connected in series to the first pair of connection terminals; a second multi-cell thin-film photovoltaic module of a second fabrication type comprising a support forming a rear surface of the panel, a second pair of connection terminals on the support, and a second set of cells of a certain area, being on the support, and being connected in series to the second pair of connection terminals; and a pair of panel terminals for connecting the solar panel to an external circuit, the first and second pairs of connection terminals being connected to the pair of panel terminals. An INDEPENDENT CLAIM is a method of making the solar panel comprising: forming a first multi-cell thin-film photovoltaic module of a first fabrication type comprising a transparent support forming a front surface of the panel, a first pair of connection terminals on the transparent support, and a first set of cells of a certain area, being on the transparent support, and being connected in series to the first pair of connection terminals; forming a second multi-cell thin-film photovoltaic module of a second fabrication type comprising a support forming a rear surface of the panel, a second pair of connection terminals on the support, and a second set of cells of a certain area, being on the support, and being connected in series to the second pair of connection terminals; and connecting a pair of panel terminals to an external circuit and to the first and second pairs of connection terminals.    DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional view of the solar panel.