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

The Tennessee Gas Pipeline Company, L.L.C. has filed a response to the Federal Energy Regulatory Commission's (FERC) data request regarding its Mississippi Crossing Project, Docket No. CP25-514-000. The company's certificate application for the construction and operation of the project was filed on June 30, 2025, and the FERC issued a data request on August 14, 2025. The response, submitted on August 21, 2025, addresses the FERC's request for information on the project's estimated Allowance for Funds Used During Construction (AFUDC).

Key Takeaways:

  • Tennessee Gas Pipeline Company, L.L.C. submitted a certificate application for the Mississippi Crossing Project on June 30, 2025.
  • The Federal Energy Regulatory Commission (FERC) issued a data request on August 14, 2025.
  • The company's response to the data request was submitted on August 21, 2025.
  • The company calculated AFUDC using compounding in February 2025 instead of March 2025, contrary to the FERC's regulations.
  • The FERC requires AFUDC to be compounded semiannually.
  • The company revised its calculation to reflect semiannual compounding.
  • The total estimated AFUDC would have decreased by $122,364 if compounding had occurred in March and September instead of February and August.

Statistics:

  • The Mississippi Crossing Project is estimated to cost over $1.7 billion.
  • The FERC data request was issued on August 14, 2025.
  • The company's response to the data request was submitted on August 21, 2025.
  • The company's revised AFUDC calculation resulted in a decrease of $122,364.

Sources:

  • Federal Energy Regulatory Commission, Content ID: CP25-514-000
  • Tennessee Gas Pipeline Company, L.L.C., Docket No. CP25-514-000
  • Order No. 561, 57 FPC 608 (1977)
  • Order No. 561-A, 57 FPC 1340 (1977)