What is natural gas

Gas system agents

The agents of the natural gas system in Spain are the producers, transporters, distributors, suppliers, consumers and the Technical Administrator of the Gas System.

Gas system agents
Producers: they undertake the exploration, research and exploitation of the hydrocarbon fields.

Carriers: they are the owners of the regasification facilities for liquefied natural gas (LNG), the liquefaction facilities, the storage facilities for natural gas and the transmission gas pipelines with pressure above 16 bars.

 

  • Bahia de Bizkaia Gas, S.L.
  • Enagás S.A
  • Endesa Gas Transportista, S.L.
  • Escal UGS, S.L.
  • Gas Extremadura Transporte, S.L.
  • Gas Natural Transporte SDG, S.L.
  • Gasoducto Escombreras, S.L.
  • Naturgas Energía Transporte, S.A.U.
  • Planta de Regasificación de Sagunto, S.A.
  • Reganosa (Regasificadora del Noroeste), S.A.
  • Transportista Regional del Gas, S.A.


Distributors: They own the natural gas distribution facilities (for pressures equal to or lower than 16 bars, or that supply a single consumer), whose function is to distribute natural gas and build, maintain and operate distribution facilities designed to deliver natural gas at the consumption points, under the terms of Law 34/1998 of 7 October, of the Hydrocarbon Sector.

 

  • Cegas, S.A.
  • DC Gas Extremadura, S.A. (DICOGEXSA)
  • Distribuidora Regional del Gas, S.A.
  • Endesa Gas Distribución S.A.U.
  • Gas Natural Andalucía, S.A.
  • Gas Aragón, S.A.
  • Gas Natural Castilla y León, S.A.
  • Gas Natural Castilla-La Mancha S.A.
  • Gas Directo, S.A.
  • Gas Energía Distribución Murcia SDG, S.A.
  • Gas Galicia SDG, S.A.
  • Gas Natural Distribución SDG, S.A.
  • Gas Navarra, S.A.
  • Gas Rioja, S.A.
  • Tolosa Gasa, S.A
  • Gasificadora Regional Canaria, S.A.
  • Gesa Gas, S.A.U.
  • Iberdrola Distribución de Gas, S.A.U.
  • Madrileña Red de Gas, S.A.
  • Madrileña Red de Gas II, S.A.
  • Naturgas Energía Distribución, S.A.U.

Shippers: they acquire natural gas (from the producers or other shippers) and sell it to their customers or to other shippers under freely agreed conditions. The shippers use the transmission and distribution facilities to transport and supply gas to their customers, and may charge a toll for this service.

  • Alpiq Energía España, S.A.U.
  • Bahía de Bizkaia Electricidad, S.L.
  • BP Gas Europe, S.A.U.
  • Carboex, S.A.U.
  • Centrogas, GmbH
  • Cepsa Gas Comercializadora, S.A.
  • Cepsa Gas Licuado, S.A.
  • Clidom Energy, S.L.
  • Comercializadora de Gas Extremadura, S.A.
  • Comercializadora Ibérica de Gas y Energía Eléctrica S.A.U.
  • E.ON Energía S.L.
  • E.ON Energy Trading S.E.
  • E.ON Generación S.L.
  • EDF Trading Limited
  • EGL Energía Iberia, S.L.
  • Endesa Energía XXI, S.L.U.
  • Endesa Energía, S.A.
  • Energya VM Gestión de Energía, S.L.U.
  • Eni Gas & Power España, S.A.U.
  • ENOI SPA
  • Factor Energía, S.A.
  • Fertiberia, S.A.
  • Fortia Energía, S.L.
  • Galp Energía España, S.A.U.
  • Gas Natural Comercializadora, S.A.
  • Gas Natural S.U.R., SDG, S.A.
  • Gas Natural Servicios SDG, S.A.
  • Gasindur, S.L.
  • GDF Suez Comercializadora, S.A.
  • GDF Suez Energía España, S.A.U.
  • Grupo Villar Mir Energía, S.L.U.
  • Gunvor Internacional, B.V.
  • HC Energía Gas, S.L.
  • HC Naturgas Comercializadora de Último Recurso, S.A.
  • Hidrocantábrico Energía, S.A.U.
  • Iberdrola Comercialización de Último Recurso, S.A.U.
  • Iberdrola Generación, S.A.
  • Iberdrola S.A.
  • Ingeniería y Comercialización del Gas, S.A.
  • Investigación Criogenia y Gas, S.A.
  • Liquid Natural Gaz, S.L.
  • Madrileña Suministro de Gas 2010, S.L.
  • Madrileña Suministro de Gas Sur 2010, S.L.
  • Methane Logistics, S.L.
  • Molgas Energía, S.A.U.
  • Morgan Stanley & Co. International PLC
  • Morgan Stanley Capital Group España, S.L.
  • Morgan Stanley Capital Group Inc.
  • Multiservicios Tecnológicos, S.A.
  • Naturgas Energía Comercializadora, S.A.U.
  • Nexus Energía S.A.
  • On Demand Facilities, S.L.
  • Orus Energía, S.L.
  • PETRONAVARRA, S.L.
  • Primagas Energía, S.A.U.
  • Repsol Comercializadora de Gas, S.A.
  • RWE Supply & Trading  GmbH.
  • RWE Supply & Trading Iberia S.L.U.
  • Sampol Ingeniería y Obras, S.A.
  • Servigas S.XXI, S.A.
  • Shell España, S.A.
  • Solvay Energy Services
  • Sonatrach Gas Comercializadora, S.A.U.
  • STATOIL ASA
  • Switch Energy, S.L
  • Unión Fenosa Comercial, S.L
  • Unión Fenosa Gas Comercializadora, S.A.
  • Vitogas España, S.A.U


Gas consumers: they purchase natural gas for their own consumption. From 1 July 2008, all gas consumers can choose between purchasing gas at a free-market shipper in freely agreed conditions, or a Shipper of last resort, paying the Last Resort Rate (TUR). Customers who were being supplied by a distributor and did not choose any other one, from July 1st 2008 became automatically supplied by the Shipper of last resort within the business group of that Distributor.


Technical Manager of the Gas System: this agent is the carrier who owns the majority of the basic natural gas network's facilities and is responsible for the technical management of the basic network and the secondary transmission network. Its aim is to guarantee continuity and security of supply in addition to the correct coordination of access points. The Royal Decree Law 6/2000 of June 23rd designated Enagás as the GTS (Technical Manager of the Gas System).

   
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