The technical Manager of the Spanish Gas System and the main carrier of natural gas in Spain. It is also certified as independent TSO European Union, which homologates the company to gas transmission network operators of other European countries. The main mission is to ensure competition and security of the Gas System in Spain. There are nearly 11.000 km of pipelines throughout Spain, three UGS facilities and four regasification plants. Currently they are developing project construction of two LNG terminals in Canarias.