João Caetano Carreira Faria Conceição

Rede Eléctrica Nacional SA provides electricity transmission services. It is divided into five operating areas: SEP, Planning, Management, Network and SEI. The firm has the following subsidiaries: RENTELECOM-Comunicações SA and Operador de Mercado Ibérico de Energia SA. The company also owns assets regarding natural gas regulated activities and it incorporated the companies REN Gasodutos SA, REN - Armazenagem SA and REN Atlântico, Terminal de GNL SA. REN was founded in August, 1994 and is headquartered in Lisbon, Portugal.

Empresa de Transmision Electrica Transemel SA engages in the transmission and transformation of electricity. The firm has three transformer substations in the cities of Arica, Iquique, and Antofagasta. The company was founded on June 17, 1999 and is headquartered in Santiago, Chile.

Hidroeléctrica de Cahora Bassa SA provides hydroelectric power generation services. Its core business is the generation, transmission and sale of electricity and the management of the main project infrastructures, i.e. the dam, the power station, the substations and the transmission lines. The company was founded in 1956 and is headquartered in Songo, Mozambique.

Ren Gasodutos SA engages in the transport of natural gas under high pressure. The company is headquartered in Bucelas, Portugal.

Electrogas SA engages in transportation of natural gas, and fuel oil such as diesel. Its service portfolio includes construction, maintenance, and operation of gas pipelines. The company was founded on October 14, 1996 and is headquartered in Las Condes, Chile.