Sur de Texas-Tuxpan Gas Pipeline

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

Location

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

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Project Details

• Owner: TC Energía (60%), IEnova (40%)
• Parent: TC Energy (60%), Sempra Energy (40%)
• Capacity: 2.6 bcf/d (billion cubic feet per day)
• Length: 770 km (478 miles)
• Diameter: 42 inches
• Status: Operating
• Cost: US$3.1 billion
• Start Year: 2019
• Associated infrastructure:
  • Valley Crossing Pipeline
  • Tuxpan-Tula Gas Pipeline
  • Tuxpan-Coatzacoalcos Gas Pipeline

Background

The Sur de Texas-Tuxpan Gas Pipeline is the largest private marine pipeline ever built in Mexico. Proposed by Infraestructura Marina del Golfo (IMG) as a joint venture between TC Energy (60%) and Sempra Energy’s Mexican unit IEnova (40%), the $3.1bn project 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.

At its northern terminus in Texas, the pipeline connects with the Valley Crossing Pipeline; at its southern terminus in Mexico, it is designed to connect with the Tuxpan-Tula gas pipeline and the Southeast Gateway Gas Pipeline. The pipeline supplies natural gas to power plants in Tamaulipas and Veracruz states.

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

The pipeline had reached near full capacity as of March 2021, 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.

In November 2021, CFE announced a $5 billion, 420 km offshore extension of the Sur de Texas Tuxpan pipeline, to be known as the Southeast Gateway Gas Pipeline, under the joint ownership of TC Energy and CFE.