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Public utilities

Federal Energy Regulatory Commission Issues Notice of Motion for Deferral of Effective Date

Strategic Insights

— 1 min read

The Federal Energy Regulatory Commission (FERC) has issued a formal notice regarding a motion for deferral of the effective date of provisions set forth in Attachment T to the Louisville Gas and Electric Company's (LG&E/KU) Joint Pro Forma Open Access Transmission Tariff (OATT). The motion, filed by LG&E/KU, seeks to defer the effective date from July 12, 2025, to December 12, 2025, citing the need for sufficient time to test and complete software changes and new software products, as well as conduct training and process refinements. The deadline for answering the motion is May 30, 2025.

Key Takeaways:

  • LG&E/KU filed a motion to defer the effective date of Attachment T to the OATT from July 12, 2025, to December 12, 2025.
  • The motion is required for LG&E/KU to implement ambient adjusted ratings, as required by Order Nos. 881 and 881-A.
  • LG&E/KU needs additional time to test and complete software changes and new software products.
  • Answers to the motion must be filed by 5:00 pm Eastern Time on May 30, 2025.
  • The motion is related to Order Nos. 881 and 881-A, which address managing transmission line ratings.
  • The Louisville Gas and Electric Company, Kentucky Utilities Company, and Federal Energy Regulatory Commission are involved in this matter.

Statistics:

  • The proposed deferral of effective date is from July 12, 2025, to December 12, 2025.
  • The deadline for answering the motion is May 30, 2025, at 5:00 pm Eastern Time.
  • The motion was filed on May 9, 2025.

Sources:

  • Notice of motion for deferral of effective date (FERC Filing: ER22-2305-000).
  • Louisville Gas & Elec. Co., 183 FERC P 61,041 (2023).
  • Managing Transmission Line Ratings, Order No. 881, 177 FERC P 61,179 (2021).
  • Order No. 881-A, 179 FERC P 61,125 (2022).

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