Top 10 solar photovoltaic glass manufacturers are Onyx Solar, Xinyi Solar, IRICO Group, Flat Glass Group, Saint-Gobain, Borosil Renewables, AGC Solar, Dongguan CSG Solar, Qingdao Jinxin Glass and Trakya. . The NSG Group offers a range of specialised glass and coated glass products used in all of the leading solar energy technologies, including thin film photovoltaics, crystalline silicon photovoltaics, concentrated solar power technology and solar thermal collectors. In order for the glass to turn sunshine into energy, a layer of translucent solar cells is coated onto the surface of the glass. This ground-breaking technology. . With more than 500 projects in 60 countries Onyx Solar is the global leader in Building Integrated Photovoltaics BIPV.