DTE Gas Company Files Motion to Intervene and Protest in Great Lakes Gas Transmission Rate Case

Strategic Insights -

DTE Gas Company, a subsidiary of DTE Energy Company, has submitted a motion to intervene and protest in the ongoing rate case of Great Lakes Gas Transmission Limited Partnership (GLGT) with the Federal Energy Regulatory Commission (FERC). The company protests the system-wide rate increase and other tariff revisions filed by GLGT, citing concerns over the proposed rate design change, the modernization program, and the potential impact on customers. DTE Gas Company is seeking to intervene in the proceeding to ensure its interests are represented and to advocate for just and reasonable rates.

Key Takeaways:

  • DTE Gas Company is seeking to intervene in the GLGT rate case to protect its interests and advocate for its customers.
  • The company protests the proposed system-wide rate increase, citing concerns over the rate design change and the modernization program.
  • GLGT proposes a cost-of-service of $2.916 million and a rate design change from a zone-of-delivery rate design to a zones-traversed rate design.
  • The company is concerned that the proposed rate design change may not be just and reasonable and requests a full evidentiary hearing to examine the issue.
  • DTE Gas Company requests that GLGT's proposed rate increases be suspended for the maximum five-month period and that a hearing be established to examine all aspects of the proposal.

Statistics:

  • GLGT proposes a system-wide rate increase, with different segments of its service experiencing increases ranging from 11% to 61%.
  • The proposed rate design change is intended to align with changes in GLGT's system operation.
  • GLGT's Reliability and Compliance Surcharge (RACS) is expected to generate revenue of up to $834 million over the first six-year period.
  • DTE Gas Company is seeking a full evidentiary hearing to examine all aspects of the proposal not summarily rejected.

Sources:

  • [1] Docket No. RP25-855, UNITED STATES OF AMERICA BEFORE THE FEDERAL ENERGY REGULATORY COMMISSION, Great Lakes Gas Transmission Limited Partnership ) DTE Gas Company, "MOTION TO INTERVENE AND PROTEST"
  • [1] GLGT's Filing, Transmittal Letter, dated April 30, 2025.