Redes Energeticas Nacionais (also known as REN) is a holding company involved in the energy sector. The company operates in two segments: the electricity and the gas. The Electricity segment includes the activities of transport of electricity, the global management of the electrical system public supply, management of unterminated energy purchase contracts, and other activities. The Gas segment includes gas transportation, the overall management of the national gas supply system natural gas, the regasification operation at the liquefied natural gas (LNG) terminal, the distribution of natural gas in low and medium pressure, and underground storage of natural gas. The company also offers telecommunications and IT, metrology laboratory, consulting, and other services.