SILICON WAFERS; PHOTOVOLTAIC CELLS; SOLAR CELLS; PANELS, NAMELY, PHOTOVOLTAIC PANELS AND SOLAR CELL PANELS FOR THE PRODUCTION OF ENERGY; SOLAR MODULES FOR ELECTRICITY GENERATION; SOLAR SYSTEMS FOR GENERATION OF ELECTRICITY, NAMELY, SOLAR MODULES, SOLAR GENERATORS, INVERTERS; MODULES, NAMELY, PHOTOVOLTAIC MODULES AND SOLAR CELL MODULES FOR THE PRODUCTION OF ENERGY; PHOTOVOLTAIC INSTALLATIONS FOR ELECTRICITY GENERATION; SOLAR POWER INSTALLATIONS; PHOTOVOLTAIC CONCENTRATORS; SOLAR INSTALLATIONS ...