Sur de Texas-Tuxpan (Marino) Gas Pipeline

From Global Energy Monitor


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

Sur de Texas-Tuxpan (Marino) Gas Pipeline (also known as South Texas-Tuxpan Gas Pipeline) is an operating natural gas pipeline in the United States and Mexico.[1]


The pipeline runs from the Gulf of Mexico near Port of Brownsville, Texas, to Tuxpan, Veracruz, Mexico.[2]

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Project Details

  • Parent: TC Energy (60.00%), Sempra Energy (40.00%-as IEnova)[3]
  • Capacity: 2,600 million cubic feet per day[4]
  • Length: 480 miles / 772 km[1][4]
  • Status: Operating
  • Cost: US$3.1 billion[3]
  • Start Year: 2019[5][6]


Built by Infraestructura Marina del Golfo (IMG), a joint venture between TC Energy (60%) and Sempra Energy’s Mexican unit IEnova (40%)[7], the $3.1bn South Texas-Tuxpan Gas Pipeline was developed by Mexico's Federal Electricity Commission (CFE) as Mexico's first undersea pipeline. TC Energy invested US$1.3 billion in the project.[8]

At its northern terminus in Texas, the pipeline connects with the Nueces to Brownsville pipeline; at its southern terminus in Mexico, it connects with the Tuxpan-Tula gas pipeline. The pipeline supplies natural gas to new power plants in Tamaulipas and Veracruz states.[1]

Construction began in the port of Altamira, Mexico, in May 2017[8] and was completed in February 2019.[9] The pipeline began commercial operations in September 2019.[6]

The pipeline had reached near full capacity as of March 2021[10], and by July 2021 it appeared poised to surpass the Los Ramones Gas Pipeline as Mexico's main source of natural gas. Usage of the Sur de Texas-Tuxpan pipeline was expected to increase with the anticipated opening of the Tula-Villa de Reyes Pipeline later in 2021.[11]

In November 2021, CFE announced a $4.5 billion offshore expansion of the Sur de Texas Tuxpan pipeline.[12]

Articles and resources


  1. 1.0 1.1 1.2 "0770 CFE: Gasoducto Sur de Texas-Tuxpan (Marino)". Proyectos México. Retrieved 2021-04-15.
  2. National Energy and Petrochemical Map , FracTracker, February 28, 2020
  3. 3.0 3.1 Asset Data, IJGlobal, accessed Aug. 27, 2020
  4. 4.0 4.1 "Gasoducto marino Sur de Texas -Tuxpan inicia operaciones". Milenio. September 17, 2019.
  5. Sur de Texas-Tuxpan Marine Pipeline Ramping 'In a Few Weeks,' Says TransCanada, Natural Gas Intelligence, Jan. 25, 2019
  6. 6.0 6.1 "Gasoducto Sur de Texas-Tuxpan inicia operaciones luego del acuerdo entre IEnova y Gobierno". El Financiero. September 17, 2019.
  7. Work Starts on Sur de Texas-Tuxpan Pipeline, Oil & Gas Journal, May 26, 2017
  8. 8.0 8.1 South Texas-Tuxpan Gas Pipeline, Gulf of Mexico, Offshore Technology, accessed January 2018
  9. Enbridge puts $1.5 billion Valley Crossing Pipeline into service, Chron, accessed May 2019
  10. "Mexico Natural Gas Market Eyeing Agua Dulce Forward Curves Ahead of Peak Summer Season - Natural Gas Intelligence". Natural Gas Intelligence. 2021-03-18. Retrieved 2021-07-09.
  11. "Mexico Natural Gas Market Spotlight: Sur de Texas-Tuxpan Pipeline Poised to Become Main Import Option - Natural Gas Intelligence". Natural Gas Intelligence. July 15, 2021.
  12. Baker, Andrew (November 29, 2021). "Mexico's CFE Planning $4.5 Billion Offshore Natural Gas Pipeline Expansion". Natural Gas Intelligence. Retrieved April 27, 2022.

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