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In page Cadmium telluride photovoltaics:

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CdTe start-ups include Toledo Solar Inc (100 megawatts per year), Calyxo[13] (formerly owned by Q-Cells), PrimeStar Solar, in Arvada, Colorado (acquired by First Solar from GE),[14] Arendi (Italy).[citation needed] Including Antec, their total production represents less than 70 megawatts per year.[15] Empa, the Swiss Federal Laboratories for Materials Testing and Research, focuses on the development of CdTe solar cells on flexible substrates and demonstrated cell efficiencies of 13.5% and 15.6% for flexible plastic foil and glass substrates, respectively.[16]