Compañía de Transporte de Energía Eléctrica en Alta Tensión Transener S.A. provides high-voltage electricity transmission services in Argentina. It operates and maintains transformer lines and stations, as well as supervises the transmission works. The company also offers engineering and consulting services; expansion to the transportation systems; and testing and commissioning services. It operates a network of 12,400 kilometers of transmission lines and 6,228 kilometers of lines. The company was founded in 1993 and is based in Buenos Aires, Argentina. Compañía de Transporte de Energía Eléctrica en Alta Tensión Transener S.A. is a subsidiary of Compañía Inversora en Transmisión Eléctrica Citelec S.A.