Great Lakes Gas Transmission Company Submits System Flow Diagram to Federal Energy Regulatory Commission

Strategic Insights -

The Great Lakes Gas Transmission Company, a subsidiary of TC Energy, has submitted its System Flow Diagram to the Federal Energy Regulatory Commission (FERC) as part of its regulatory obligations. The diagram reflects operating conditions on its system for the period ending December 31, 2024, and includes specific engineering and design information about existing critical infrastructure. The company is requesting that this information be treated as Critical Energy Infrastructure Information (CEII) to prevent public disclosure.

Key Takeaways:

  • The Great Lakes Gas Transmission Company submitted its System Flow Diagram to the FERC as part of its regulatory obligations.
  • The diagram reflects operating conditions on the company's system for the period ending December 31, 2024.
  • The company is requesting CEII treatment for the System Flow Diagram, citing specific engineering and design information about existing critical infrastructure.
  • The diagram includes detailed design information about existing critical infrastructure that is not appropriate for public disclosure.
  • The company is e-filing its System Flow Diagram in accordance with the Commission's Order No. 703, Filing Via the Internet guidelines.
  • The company requests that any questions regarding this submission be directed to Ryan Perez at 832.320.6412.
  • The Federal Energy Regulatory Commission's regulations regarding Critical Energy Infrastructure Information are outlined in 18 C.F.R. SS 388.113.
  • The Great Lakes Gas Transmission Company is a subsidiary of TC Energy, which operates a diverse portfolio of energy infrastructure.
  • The company's System Flow Diagram is a critical document that reflects the operating conditions on its system.
  • The company's request for CEII treatment is in accordance with 18 C.F.R. SS 260.8 of the Commission's regulations.

Statistics:

  • The Great Lakes Gas Transmission Company's System Flow Diagram reflects operating conditions for the period ending December 31, 2024.
  • For purposes of system peak deliveries, the heating season ending March 31, 2025, was used.
  • The company has requested CEII treatment for the System Flow Diagram.
  • The diagram includes specific engineering, vulnerability, or detailed design information about existing critical infrastructure.
  • The company's e-filing of the System Flow Diagram is in accordance with the Commission's Order No. 703, Filing Via the Internet guidelines.

Sources:

  • 18 C.F.R. SS 260.8 - Regulations of the Federal Energy Regulatory Commission regarding CEII treatment.
  • 18 C.F.R. SS 388.113 - Regulations of the Federal Energy Regulatory Commission regarding treatment of Critical Energy Infrastructure Information.
  • Great Lakes Gas Transmission Company System Flow Diagram, FERC Form 567 (2024)