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United States. Federal Energy Regulatory Commission

TC Louisiana Intrastate Pipeline LLC Submits Advance Notification for Construction of Facilities

Strategic Insights

— 2 min read

TC Louisiana Intrastate Pipeline LLC (TCLI), a regulated intrastate natural gas pipeline in Louisiana, has submitted an advance notification for the construction of facilities to the Federal Energy Regulatory Commission (FERC) as required by 18 C.F.R. § 284.11(b). The proposed construction involves the addition of approximately 39.8 miles of 36-inch diameter pipeline, two solar turbines at the existing Gillis Compressor Station, and one new point of delivery. The total cost of the project is estimated to be around $329 million.

Key Takeaways:

  • The proposed construction includes the addition of 39.8 miles of 36-inch diameter pipeline, two solar turbines, and one new point of delivery.
  • The total cost of the project is estimated to be around $329 million.
  • The facilities will have a design capacity of up to 1.4 billion cubic feet per day and will be utilized for transportation authorized by Section 311(a)(2) of the Natural Gas Policy Act.
  • TCLI has adopted the Commission Staff's Upland Erosion Control Revegetation and Maintenance Plan and Wetland and Waterbody Mitigation Procedures with some modifications for site-specific safety concerns and constructability constraints.
  • TCLI will comply with the conditions in the Nationwide Permit (NWP) 12 verification issued by the US Army Corps of Engineers (USACE) on June 25, 2025, and the Coastal Use Permit (CUP) issued by the LDENR Office of Coastal Management (OCM) on August 6, 2024.
  • TCLI has hired environmental inspectors to be on site during construction to assist with compliance with the FERC Plan and Procedures, the NWP 12 verification, CUP, and other applicable permits and requirements.
  • The construction is expected to begin in August 2025.
  • TCLI requests that attachments marked as "Privileged and Confidential - Do Not Release" and "Critical Energy Infrastructure Information - Do Not Release" be treated as privileged and confidential information.

Statistics:

  • 39.8 miles of 36-inch diameter pipeline will be added.
  • Two (2) Solar Titan 130 turbines will be installed at the existing Gillis Compressor Station, adding 46,940 horsepower of compression.
  • The facilities will have a design capacity of up to 1.4 billion cubic feet per day.
  • The total cost of the project is estimated to be around $329 million.
  • The construction is expected to begin in August 2025.
  • The project is subject to regulatory approvals from the US Army Corps of Engineers and the LDENR Office of Coastal Management.

Sources:

  • Federal Energy Regulatory Commission
  • TC Louisiana Intrastate Pipeline LLC
  • Louisiana Department of Natural Resources, Office of Conservation
  • US Army Corps of Engineers
  • LDENR Office of Coastal Management

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