Conditional Objection to Interstate Power and Light Company's Filing

Strategic Insights -

The Iowa Public Utilities Commission issued a conditional objection to Interstate Power and Light Company's (IPL) filing of its annual cost recovery filing and revised Regional Transmission Service Rider (RTS) Rider tariff. The Office of Consumer Advocate (OCA), a division of the Iowa Department of Justice, has been reviewing IPL's calculations and has identified several questions. OCA will require additional time to complete its investigation and will inform the Commission on or before June 2, 2024, of the status of its review.

Key Takeaways:

  • IPL filed its annual cost recovery filing and revised RTS Rider tariff on April 28, 2025.
  • The OCA has identified questions regarding IPL's calculations and is requiring additional time to complete its investigation.
  • OCA will submit a response to IPL's filing on or before May 19, 2025.
  • OCA will inform the Commission on or before June 2, 2024, of the status of its review and will withdraw its conditional objection if there are no issues requiring the Board's attention.
  • IPL filed its "Transmission ROE Refund Plan" for the MISO Transmission Owners' Return on Equity (ROE) Complaint in accordance with FERC's Order on Remand.
  • The OCA will require IPL to address its concerns before the Commission can approve the filing.

Statistics:

  • IPL filed its annual cost recovery filing and revised RTS Rider tariff on April 28, 2025.
  • OCA will submit a response to IPL's filing on or before May 19, 2025.
  • OCA will inform the Commission on or before June 2, 2024, of the status of its review.
  • The MISO Transmission Owners' Return on Equity (ROE) Complaint was filed in accordance with FERC's Order on Remand on October 17, 2024.

Sources:

  • Office of Consumer Advocate letter to the Iowa Utilities Commission, filed on May 19, 2025, TF-2025-0019.
  • Interstate Power and Light Company filing, filed on April 28, 2025, Docket Nos. TF-2025-0019 and EAC-2025-0150.