Spain-Portugal Interconnector Gas Pipeline

From Global Energy Monitor
This article is part of the Global Fossil Infrastructure Tracker, a project of Global Energy Monitor.

Spain-Portugal Interconnector Gas Pipeline was a proposed gas pipeline in Spain running to the Portuguese border.[1] The project was cancelled in 2020.[2]


The pipeline would run from Zamora, Spain to the Portuguese border near Vale de Frades, Portugal.

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Project Details

  • Owner: Enagas, REN Gasodutos
  • Current capacity:
  • Length: 86 km[1]
  • Diameter: 27.6 inches (700 mm)[1]
  • Status: Cancelled[2]
  • Start Year:
  • Associated Infrastructure:


The Spain-Portugal Interconnector Pipeline is included in the first stage of a proposed international project that would continue 162 kilometers across the border to Celorico da Beira, Portugal.[3] The Portuguese section of the pipeline would be known as the Celorico–Spanish Border Pipeline. Both pipelines form part of a larger international pipeline project designed to create a single gas market within the European Union.[4] Some of the gas imported from Spain would also be stored at caverns in the salt dome formations of Carriço, Portugal for potential use in a future emergency.[3][5]

The European Network of Transmission System Operators for Gas (ENTSOG) refers to the project using the project code "TRA-N-168". Together with "TRA-A-283" (Celorico–Spanish Border Pipeline) it is a part of the "WEST 02" project group which is the first stage of the 3rd Interconnection between Portugal and Spain project.[1][3]

The European Union's 2021-2030 National Energy and Climate Plan for Portugal states that the Spain-Portugal Interconnector gas pipeline is directly dependent on completion of the South Transit Eastern Pyrenees (STEP) Gas Pipeline between France and Spain.[6] However, the latter project was canceled in early 2019[7], leaving the future of the Spain-Portugal Interconnector project unclear.[4]


The release of updated project information by ENTSOG in November 2020 included no mention of the project's code "TRA-N-168". ENTSOG's accompanying 'Infrastructure Report' refers to "two cancelled projects" which are investments of REN Gasodutos. The two cancelled projects are the Spain-Portugal Interconnector project and the Cantanhede-Mangualde Gas Pipeline.[2]

Articles and resources


  1. 1.0 1.1 1.2 1.3 ENTSOG TYNDP 2020 - Annex A - Projects Tables, 12 Nov 2019
  2. 2.0 2.1 2.2 Infrastructure Report - TYNDP) ENTSOG, November 2020
  3. 3.0 3.1 3.2 REN Gasodutos, S.A., ENAGAS, S.A. (2018). "3rd Interconnection between Portugal and Spain" (PDF). Retrieved September 21, 2020.{{cite web}}: CS1 maint: url-status (link)
  4. 4.0 4.1 "South Gas Regional Investment Plan 2019" (PDF). Enagás, GRTgaz, Reganosa, REN Gasodutos, Térega. Retrieved September 24, 2020.{{cite web}}: CS1 maint: url-status (link)
  5. "Underground Storage". REN. Retrieved September 23, 2020.{{cite web}}: CS1 maint: url-status (link)
  6. "PORTUGAL: NATIONAL ENERGY AND CLIMATE PLAN 2021-2030 (NECP 2030) (p. 47)" (PDF). European Union. December 2019.{{cite web}}: CS1 maint: url-status (link)
  7. "Future of the MidCat project in limbo". South EU Summit. February 5, 2019.{{cite web}}: CS1 maint: url-status (link)

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