Transmissora Aliança de Energia Elétrica S.A. implements, operates, and maintains electric power transmission facilities in Brazil. It operates approximately a total length of 15,130 kilometers (km) of transmission lines, which include 12,362 km of transmission lines in operation and 1,746 km of lines under construction; and 108 substations with voltage ranging from 230 and 525kV. The company was founded in 2000 is headquartered in Rio de Janeiro, Brazil.