Consorcio Transmantaro S.A. (CTM), a joint venture of Colombian transmission company Interconexión Eléctrica S.A. (ISA) and Empresa de Energía de Bogotá (EEB), has submitted the environmental impact statement (EIS) of the 500 kV Mantaro-Marcona-Socabaya-Montalvo line project to the environment agency of Ministry of Energy and Mines (MEM) of Peru.