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EL25-022 - In the Matter of the Application of Otter Tail Power Company for Authority to Increase Its Electric Rates in South Dakota
Volume 4A and Volume 4B
- Volume 4A - Workpapers and Supporting Information
- 2024 Test Year Workpapers
- Index
- Jurisdictional Cost of Service Study (JCOSS)
- Class Cost of Service Study (CCOSS)
- Input Summary
- Input Summary Confidential (not available to the public)
- 2024 Test Year Adjustments
- TY-01 - Plant Annualization
- TY-02 - 2024 Depreciation Study
- TY-03 - Retail Revenue Normalization
- TY-04 - Labor Census and Rates
- TY-05 - Medical/Dental, Pension and OPEB
- TY-06 - Rate Case Expense Amortization
- TY-07 - Plant Outage Normalization
- TY-08 - Vegetation Maintenance
- TY-09 - Meter Reading
- TY-10 - Rider Roll-In
- TY-11 - Materials and Supplies
- TY-12 - Wildfire Mitigation Plan
- TY-13 - Astoria Onsite Fuel Storage
- TY-14 - Insurance
- TY-15 - Cyber Security
- TY-16 - Large Load – BSESP
- TY-16 - Large Load – BSESP Confidential (not available to the public)
- TY-16 - Large Load – BSESP Confidential (not available to the public)
- TY-17 - Large Load Addition – Other
- TY-17 - Large Load Addition – Other Confidential (not available to the public)
- TY-01 - Plant Annualization
- 4B - 2024 Regulatory Year Workpapers
- B1 - Jurisdictional Cost of Service Study (JCOSS)
- B2 - Functionalization
- B3 - Input Summary
- B4 - Work Papers A-D, SD
- 4C - Bulkley Cost of Capital Workpapers
- 4C - Bulkley Cost of Capital Workpapers Confidential (not available to the public)
- 4C - Bulkley Cost of Capital Workpapers Confidential (not available to the public)
- 4D - Supporting Information
- A - Jurisdictional Financial Summary Schedules of Revenue Requirements 2024 Test Year
- B - Rate Base Schedules
- C - Operating Income Schedules
- C1 - Jurisdictional Statement of Operating Income -2023 Regulatory Year, 2024 Unadjusted Year, 2024 Regulatory Year, 2024 Test Year
- C2 - Total Utility and Jurisdiction Statement of Operating Income – 2023 Regulatory Year, 2024 Unadjusted Year, 2024 Regulatory Year, 2024 Test Year
- C3 - Statement of Operating Income – 2024 Regulatory Year and 2024 Test Year
- C4 - Computation of Federal and State Income Taxes
- C5 - Computation of Deferred Income Taxes
- C6 - Development of Federal and State Income Tax Rates
- C7 - Operating Income Statement Adjustments Schedule
- C7 - Operating Income Statement Adjustments Schedule Confidential (not available to the public)
- C7 - Operating Income Statement Adjustments Schedule Confidential (not available to the public)
- C8 - Summary of Approaches and Assumptions Used
- C9 - Operating Income Statement Allocation Factors
- C1 - Jurisdictional Statement of Operating Income -2023 Regulatory Year, 2024 Unadjusted Year, 2024 Regulatory Year, 2024 Test Year
- D - Rate of Return/Cost of Capital Schedules
- E - Rate Structure and Design Information
- F - Other Supplemental Information
- Volume 4B - Lead Lag Study Index
