Columbia Gas Transmission, LLC Submits Supplemental Information to FERC for Line 1655 MAOP Uprate Project

Strategic Insights -

Columbia Gas Transmission, LLC has submitted a document to the Federal Energy Regulatory Commission (FERC) regarding the Line 1655 MAOP Uprate Project, a proposed pipeline project in the United States. The company has requested that the FERC treat certain hydraulic flow models as privileged and exempt from public disclosure, citing concerns about competitive injury. This filing includes detailed system design information and other sensitive data that could harm the company's competitive position if released.

Key Takeaways:

  • The Line 1655 MAOP Uprate Project is a proposed pipeline project submitted by Columbia Gas Transmission, LLC to the FERC.
  • The company has requested that the FERC treat hydraulic flow models as privileged and exempt from public disclosure, citing competitive injury concerns.
  • The models contain detailed system design information and other sensitive data that could harm the company's competitive position if released.
  • The FERC has been served with a copy of the letter, as per 18 C.F.R. § 385.2010.
  • LaShawndra R. Proctor, Manager of Project Authorizations, has signed the filing and attests to its accuracy.
  • The FERC has been informed that questions regarding the filing should be directed to Ashlyn Polito or LaShawndra R. Proctor.

Statistics:

  • The proposed pipeline project is submitted as Docket No. CP25-498-000.
  • The filing was made on July 24, 2025.
  • The documents submitted include hydraulic flow models, which are marked as "CUI//PRIV//CEII Confidential, Commercially Sensitive, Non-Public and Proprietary and Contains Critical Energy Infrastructure Information - Do Not Release".

Sources:

  • Columbia Gas Transmission, LLC
  • Federal Energy Regulatory Commission (in the form of Order No. 703, Filing Via the Internet guidelines, issued in Docket No. RM07-16-000 on November 15, 2007)
  • 18 C.F.R. § 385.2005 and 18 C.F.R. § 385.2010 regulations of the Federal Energy Regulatory Commission.