Tennessee Gas Pipeline Company Submits Response to Federal Energy Regulatory Commission Data Request

Strategic Insights -

The Tennessee Gas Pipeline Company, L.L.C. has filed a response to a data request issued by the Federal Energy Regulatory Commission (FERC) regarding the Mississippi River Crossing Project. The company submitted the response on November 30, 2025, through the eFiling system, which is in accordance with the Commission's filing requirements. The response addresses the Commission's request for information regarding the company's approach to calculating Allowance for Funds Used During Construction (AFUDC).

Key Takeaways:

  • The Tennessee Gas Pipeline Company filed a certificate application on June 30, 2025, seeking a certificate of public convenience and necessity for the construction and operation of the Mississippi River Crossing Project.
  • The company responds to the Commission's data request by acknowledging that, if it had compounded AFUDC in March and September, the impact would have been de minimis, but notes that Commission policy does not consider materiality.
  • TGP estimates AFUDC for the Project, which reflects semi-annual compounding of AFUDC in January and July of each year, consistent with the Commission's accounting guidelines and policy.
  • The company requests to resubmit a revised proposed calculation of AFUDC that illustrates semi-annual compounding of AFUDC beginning in March 2025.
  • A copy of the response is being served on all parties on the official service list for the above-referenced docket.
  • Any questions concerning this filing should be addressed to Tina Hardy, Director, Regulatory at (205) 325-3668.

Statistics:

  • The Mississippi River Crossing Project was filed as Certificate Application CP25-514-000.
  • The Commission's data request was issued on August 28, 2025.
  • The company's estimate of AFUDC reflects semi-annual compounding in January and July of each year (Attachment A).
  • TGP requests to resubmit a revised calculation of AFUDC that begins in March 2025.

Sources:

  • Tennessee Gas Pipeline Company, L.L.C. (Response to August 28, 2025 Data Request).
  • Federal Energy Regulatory Commission (FERC) (Website: https://elibrary.ferc.gov).