Compañía de Transporte de Energía Eléctrica en Alta Tensión Transener S.A. provides high-voltage electricity transmission services in Argentina. It analyses and controls the design, construction engineering, materials used, assembly, factory and on-site tests, and commissioning. 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. 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.