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South Texas Expansion Project

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The South Texas Expansion Project (STEP) is a mainline reversal and expansion project in South Texas, an area with increasing load from the market in Mexico.

South Texas Expansion Project (STEP) project map
  •   Project Path
  •   Texas Eastern Transmission
  •   Station
  •   City
  • Project Status

  • Evaluation
  • Signed Agreements
  • Regulatory Review
  • Regulatory Approval
  • Under Construction
  • In-Service

The STEP Project submitted a formal application to the Federal Energy Regulatory Commission (FERC) on May 22, 2015, and was assigned docket number CP15-499-000. The FERC exclusively authorizes the construction of new interstate natural gas facilities. The FERC is also the lead federal agency responsible for conducting environmental reviews of interstate natural gas projects in compliance with the National Environmental Policy Act.

  • Filed FERC application May 2015
  • Filed Amendment to FERC application on December 30, 2016
  • In-service in 4Q 2018
  • New compression at 2 stations
  • Station reversal work at Mont Belvieu
  • New M&R at Petronila

For more information, please call our landowner hotline at 866-593-3502 to discuss any questions or to seek additional information.

For media inquiries, please contact 866-761-5400. For other inquiries, please contact Devin Hotzel.

Pomelo Connector, LLC (Pomelo) is soliciting proposals for assistance to the Staff of the Federal Energy Regulatory Commission (the Commission or FERC) in preparation of an Environmental Assessment (EA) and related documents and services to address the proposed Pomelo Pipeline Project and Texas Eastern Transmission LP’s South Texas Expansion Project (STEP). The EA will cover both the Pomelo Pipeline Project and the STEP. The Commission will need the assistance of a third-party contractor as the lead federal agency for the National Environmental Policy Act (NEPA) process. The Commission’s Office of Energy Projects (OEP) will be responsible for providing technical direction to the third-party contractor during the preparation of the EA and related documents. A contract will be executed pursuant to the third-party contracting procedures set forth in 40 CFR 1506.5(c) and as referenced in the Commission’s third-party contracting program announced on February 4 and 9, 1994, and as described in the Commission’s Handbook for Using Third Party Contractors to Prepare Environmental Documents for Natural Gas Facilities and Hydropower Projects updated in August 2016 ( Pomelo and Texas Eastern have filed separate applications with FERC under Docket No. CP17-26 and Docket Nos. CP15-499-000 and CP15-499-001, respectively.  The RFP can be accessed on Pomelo’s website at; or Spectra Energy’s new projects website at  The FERC dockets can be accessed at

Persons interested in receiving responses to questions during the RFP process are required to send by January 23, 2017, a Letter of Intent to submit a proposal to Douglas Gibbons, Pomelo’s environmental consultant, at

Download/View: Request for Proposal for Assistance on Environmental Assessment