Calyxo GmbH, found in 2005, produces thin-film photovoltaic modules made with cadmium telluride technology (CdTe). Calyxo acquired an exclusive license of this worldwide technology by the american company Solar Fields. In summer 2007, Calixo has initiated a testing line with a production capacity of 8 MWp.
In October 2007, Solar Fields and Calyxo decided to join their forces. From their cooperation Calixo has obtained the full rights from the american sister company along with technology. From that moment Calyxo GmbH focuses on increasing production while Calyxo USA Inc. promotes constantly research and technology development to CdTe.