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Independent regulatory commissions

Columbia Gas Transmission, LLC Submits Supplement to Mountaineer XPress Project Variance Request

Strategic Insights

— 1 min read

Columbia Gas Transmission, LLC has submitted a supplement to its variance request for the Mountaineer XPress Project, seeking additional workspace to address slope stability concerns at Milepost 27.46. The submission includes previously excluded appendices, including a summary table, variance location maps, photographs of current conditions, and a federal species summary table. This filing is made in accordance with the Federal Energy Regulatory Commission's Order No. 703, Filing Via the Internet guidelines.

Key Takeaways:

  • Columbia Gas Transmission, LLC submitted a supplement to its variance request for the Mountaineer XPress Project on August 5, 2025.
  • The submission includes previously excluded appendices, such as Appendix A - Summary Table, Appendix B - Variance Location Maps, Appendix C - Photographs of Current Conditions, and Appendix E - Federal Species Summary Table.
  • The project seeks additional workspace to address slope stability concerns at Milepost 27.46.
  • The filing is made in accordance with the Federal Energy Regulatory Commission's Order No. 703, Filing Via the Internet guidelines, issued in Docket No. RM07-16-000 on November 15, 2007.
  • David A. Alonzo, Manager, Project Authorizations, signed the filing and affirmed its contents.
  • Questions regarding the submission should be directed to Hannah Andrus at 832.320.6451 or Jason Chambers at 304.357.2965.

Statistics:

  • 1 supplement submitted to the Federal Energy Regulatory Commission on August 5, 2025.
  • 4 appendices included in the submission: Appendix A, Appendix B, Appendix C, and Appendix E.
  • 1 project location: Milepost 27.46.
  • 1 relevant regulation: 18 C.F.R. § 385.2005.

Sources:

  • Columbia Gas Transmission, LLC, RE: Columbia Gas Transmission, LLC Docket No. CP16-357-000 Mountaineer XPress Project Supplement to August 5, 2025 Variance Request
  • Federal Energy Regulatory Commission, Order No. 703, Filing Via the Internet guidelines, issued in Docket No. RM07-16-000 on November 15, 2007.

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