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Service List

Agendas:
June 17, 2025, Agenda of Commission Meeting
October 23, 2025, Agenda of Commission Meeting

Minutes:
Minutes of the June 17, 2025, Commission Meeting
Minutes of the October 23, 2025, Commission Meeting

Electric Rate Increase Request Information Guide

• 06/18/25 - Order Suspending Operation of Proposed Rates; Order Assessing Filing Fee; Order Authorizing Executive Director to Enter into Consulting Contracts
• 10/27/25 - Order Granting Joint Motion for Approval of Procedural Schedule

• 06/04/25 - Otter Tail Power Company's Volumes 1, 2, 3, 4
  • Volume 1 - Letter of Transmittal, Application, Notice of Proposed Change of Rates and Charges, Attestation, Request for Confidential Treatment and Statements A through R
• Volume 2 - Direct Testimony and Supporting Schedules
• Volume 3 - Tariffs
• Volume 4 - Workpapers and Supporting Information
• 06/05/25 - Staff’s First Set of Data Requests Certificate of Service
• 06/09/25 - Otter Tail Power Company’s Request for Confidential Treatment
• 06/27/25 - Staff’s Second Set of Data Requests Certificate of Service
• 07/23/25 - Staff’s Third Set of Data Requests Certificate of Service
• 08/01/25 - Staff’s Fourth Set of Data Requests Certificate of Service
• 08/01/25 - Staff’s Amended Fourth Set of Data Requests Certificate of Service
• 08/14/25 - Staff’s Fifth Set of Data Requests Certificate of Service
• 09/02/25 - Staff’s Sixth Set of Data Requests Certificate of Service
• 09/25/25 - Staff’s Seventh Set of Data Requests Certificate of Service
• 10/03/25 - Staff’s Eighth Set of Data Requests Certificate of Service
• 10/10/25 - Joint Motion for Approval of Procedural Schedule
  • Certificate of Service
• 10/15/25 - Staff’s Ninth Set of Data Requests Certificate of Service
• 10/31/25 - Otter Tail Power Company’s Letter regarding Notice of Intent to Implement Interim Rates
  • Affidavit of Service and Service List
  • Notice of Intent to Implement Interim Rates
    • Attachment A - Comparison of Operating Revenues Under Present and Proposed Base Rates by Rate Schedule
    • Attachment B - Bill Comparison of Current Rates and Interim Rates
      
    • Attachment C
    • Interim Tariff Pages
      • Redlined
    • Attachment D - Report of Tariff Schedule Change
    • Attachment E - Proposed Customer Notice
    • Attachment F - TCRR and PIR Schedules
• 11/04/25 - Otter Tail Power Company’s Amended Residential Rate Design Letter
  • Attachment A - Comparison of Operating Revenues Under Present and Proposed Base Rates by Rate Schedule
  • Attachment B - Proposed Test Year 2024 Operating Revenue Detailed Comparison - by Rate Schedule and Billing Units
  • Affidavit of Service and Service List
• 11/10/25 - Staff’s Tenth Set of Data Requests Certificate of Service