Alstom was selected by Transmisión Eléctrica del Norte (TEN), a subsidiary of E-CL an electric company based in Chile and part of the Engie Group, to supply four turnkey substations for Chile's first interconnection system, the Mejillones - Cardones Transmission line. The contract, worth approximately $278 million, includes the installation of three new 500-kV substations in Chacayita, Los Changos and Cumbres, as well as the expansion of the Nueva Cardones substation. Alstom will supply its air-insulated and gas-insulated substations that will contribute to a total of 1500 MW of energy transmission. The project is due to be completed in 2017.