Coalition of MISO Transmission Customers Seeks Extension on Declaratory Order Petition

Strategic Insights -

The Coalition of MISO Transmission Customers (CMTC) and the Wisconsin Industrial Energy Group (WIEG) have submitted a motion to the Federal Energy Regulatory Commission (FERC) seeking an extension of two weeks on the comment deadline for a declaratory order petition filed by Midcontinent Independent System Operator, Inc. (MISO) on May 7, 2025. The petition relates to the scope and role of the MISO Independent Market Monitor (IMM) in reviewing and analyzing MISO's transmission planning activities. CMTC and WIEG request that the Commission extend the response period until June 20, 2025, grant expedited treatment of the motion, and waive any Commission rules or regulations necessary for the Commission to grant the requested relief.

Key Takeaways:

  • The motion is submitted on behalf of the Coalition of MISO Transmission Customers (CMTC) and the Wisconsin Industrial Energy Group (WIEG) to the Federal Energy Regulatory Commission (FERC).
  • The petition in question, filed by Midcontinent Independent System Operator, Inc. (MISO) on May 7, 2025, raises important tariff interpretation and public policy considerations related to MISO's transmission planning activities.
  • CMTC and WIEG request a two-week extension of the comment deadline from June 6, 2025 to June 20, 2025 to allow for a more robust record and adequate time for interested parties to review, analyze, and respond to the petition.
  • The Commission has granted similar extension requests in the past, including a 45-day extension in Docket No. EL25-18-000 and a 30-day extension in Docket No. EL25-37-000.
  • CMTC and WIEG also request expedited treatment of the motion and a shortened 3-day comment period to obtain a ruling on the motion by May 23, 2025.

Statistics:

  • May 7, 2025: MISO filed the petition with FERC.
  • May 12, 2025: MISO stakeholders that subscribe to MISO's Legal Filings email list received electronic notice of the petition.
  • May 14, 2025: CMTC discussed the petition with MISO.
  • May 16, 2025: The motion was submitted to FERC.
  • May 23, 2025: Commission seeks to act on the motion.
  • June 6, 2025: Original comment deadline.
  • June 20, 2025: Proposed extended comment deadline.

Sources:

  • UNITED STATES OF AMERICA BEFORE THE FEDERAL ENERGY REGULATORY COMMISSION ) Midcontinent Independent System Operator, Inc. ) Docket No. EL25-80-000 ) MOTION OF THE COALITION OF MISO TRANSMISSION CUSTOMERS AND THE WISCONSIN INDUSTRIAL ENERGY GROUP FOR EXTENSION OF TIME AND REQUEST FOR EXPEDITED TREATMENT (May 16, 2025)
  • Notice of Extension of Time, Docket No. EL25-18-000 (issued Dec. 3, 2024)
  • Notice of Extension of Time, Docket No. EL25-37-000 (issued Dec. 20, 2024)