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Enagás, S.A.
Company typeSociedad Anónima
IndustryEnergy industry
HeadquartersMadrid, Spain
Key people
  • Antonio Llardén Carratalá (Chairman)
  • Arturo Gonzalo Aizpiri (CEO)
ProductsStorage and transportation of natural gas
RevenueIncrease €1.360 billion (2017[1])
Increase €732,072 million (2017[1])
Increase €490,837 million (2017[1])
Number of employees
Increase 1,439 (2017[1])

Enagás, S.A. (Spanish pronunciation: [enaˈɣas], originally an initialism for Empresa Nacional del Gas) is a Spanish energy company and European transmission system operator (TSO), which owns and operates the nation's gas grid. The firm also owns four liquefied natural gas regasification terminals in the country,[2] at Huelva, Barcelona, Cartagena, and Gijón.[3] In addition, it owns 50% of the plant BBG (Bilbao) and 72.5% of the Saggas terminal in Sagunto.[4] The chairman of Enagás is Antonio Llardén Carratalá and his chief executive officer is Arturo Gonzalo Aizpiri.[5] The firm's headquarters are located in Madrid. Apart from Spain, Enagás has presence in Mexico, Perú, Chile, Sweden and in the Trans Adriatic Pipeline (TAP) European project.

The company was founded in 1972 by the Spanish Government with the aim of creating a nationwide network of gas pipelines. After privatisation in 1994, Gas Natural acquired a controlling stake in the company. Since Enagás demerged in 2002, Gas Natural gradually decreased its stake to 5%, the maximum allowed for any shareholder by the Government after 30 December 2006.[6] As of 2006, the institutional shareholder was the state-owned holding company Sociedad Estatal de Participaciones Industriales (SEPI) which held 5% of Enagás.[6]

Since 2019, 90% of the company's shares are on the open market (free float).[7]

In September 2023, it was announced Enagás has finalised the acquisition of 10% of the shares in the Hamburg LNG and green gases import terminal, Hanseatic Energy Hub GmbH.[8]

MidCat pipeline project[edit]

The MidCat gas pipeline was a 2010s concept, promoted by Enagás and French gas operator Teréga, to build a large gas pipeline between France and the Catalonia region of eastern Spain.[9]

In 2011, the €3.1 billion MidCat gas pipeline project was kicked off. The first section near Barcelona was built in 2011–2012.[10] However, the project came to a halt after just €7 million in EU support had been expended for prestudies for the project.[10][clarification needed]

The first part of the pipeline called the South Transit East Pyrenees, or STEP, was to continue the existing line near Barcelona into France for about €440 million, paid mostly by the French partner Teréga (formerly TIGF — Transport et Infrastructures Gaz France).[11] Construction was to start in 2019, and be completed by 2022. The second half of MidCat was to reinforce about 800 km of pipelines within France. A 2017 EU report found that MidCat's costs were higher than its assumed benefits.[10]

The MidCat was later on called BarMar (Barcelona-Marseille) and will finally become part of the H2MED, a hydrogen pipeline transport.

On 15 December 2022 it submitted to the call for Projects of Community Interest (PCI) the first two axes of the Spanish Hydrogen Backbone Network project (the Vía de la Plata Axis and the Cantabrian Coast Axis) together with the two subway storage facilities (in Cantabria, of 335 GWh, and the Basque Country, of 240 GWh) that have been identified as necessary for its correct operation.[12]


  1. ^ a b c d "Informe Anual 2017" (PDF) (in Spanish). Enagás. Retrieved 19 November 2020.
  2. ^ Roberts, Martin (7 April 2008). "World's biggest LNG tanker unloads at Enagas plant". Reuters. Retrieved 31 December 2008.
  3. ^ "Gas Transmission: Infrastructure". Enagás. Archived from the original on 22 November 2006. Retrieved 31 December 2008.
  4. ^ http://www.enagas.com: Regasification plants Archived 6 March 2022 at the Wayback Machine (5 March 2022)
  5. ^ "Board of Directors". Archived from the original on 6 March 2022. Retrieved 6 March 2022.
  6. ^ a b "About us: Introduction". Enagás. Archived from the original on 22 November 2006. Retrieved 31 December 2008.
  7. ^ "Presentación: Enagás" (in Spanish). Enagás. Retrieved 24 March 2019.
  8. ^ "Enagás acquires 10% of HEH". LNG Industry. 28 September 2023. Retrieved 28 September 2023.
  9. ^ "Desmontando el Mito del MidCat". ODG - Observatori del Deute en la Globalització (in Spanish). 30 May 2018.
  10. ^ a b c Anca Gurzu The Franco-Spanish ghost gas pipeline Archived 25 January 2019 at the Wayback Machine Politico, 31 October 2018
  11. ^ TIGF, 2ème transporteur de gaz de France, devient Teréga Archived 6 March 2022 at the Wayback Machine (21 November 2021)
  12. ^ elDiarioex (20 January 2023). "El hidroducto Almendralejo-Zamora-Gijón, la mayor inversión presentada por Enagás a los fondos europeos". elDiario.es (in Spanish). Retrieved 2 November 2023.

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