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Service List

Agendas:
August 29, 2023, Agenda of Commission Meeting
August 13, 2024, Agenda of Commission Meeting

Minutes:
Minutes of the August 29, 2023 Commission Meeting
Minutes of the August 13, 2024, Commission Meeting

Click For Comments and Responses

Electric Rate Increase Request Information Guide

• 09/01/23 - Order Suspending Operation of Proposed Rates; Order Assessing Filing Fee; Order Authorizing Executive Director to Enter into Consulting Contracts
• 08/16/24 - Order Granting Joint Motion for Approval of Settlement Stipulation; Order Approving Settlement Stipulation; Order Approving Refund Plan

• 08/15/23 - Montana-Dakota Utilities Co., a Subsidiary of MDU Resources Group, Inc.'s Letter regarding Increase to Its Electric Rates
  • Application and Notice
  • Attestation
  • Exhibit A - Report of Tariff Schedule Change
  • Exhibit B - Public Rate Increase Notice
  • Exhibit C - Notice of Filing Bill Insert
  • Appendix A - Current Tariff Pages
    • Current Tariff Sheets
  • Appendix B - Proposed Tariff Pages
    • Proposed Tariff Pages
      • Redlined Proposed Tariff Sheets
  • Direct Testimony
    • Nicole A. Kivisto's Direct Testimony
    • Tammy J. Nygard's Direct Testimony
    • Ann E. Bullkley Direct Testimony
      • Exhibit No.___(AEB-1)
      • Exhibit No.___(AEB-2)
        • Schedule 2
        • Schedule 3
        • Schedule 4
        • Schedule 5
        • Schedule 6
        • Schedule 7
        • Schedule 8
        • Schedule 9
        • Schedule 10
        • Schedule 11
        • Schedule 12
        • Schedule 13
    • Joseph E. Geiger's Direct Testimony
    • Darcy J. Neigum's Direct Testimony
    • Daryl Anderson's Direct Testimony
    • Larry E. Kennedy's Direct Testimony
      • Exhibit No. (LEK-1)
      • Exhibit No. (LEK-2), Schedule 1
      • Exhibit No.___(LEK-3)
      • Exhibit No.___(LEK-4)
      • Exhibit No.___(LEK-5)
        
    • Stephanie Bosch's Direct Testimony
      • Exhibit No. ___(SB-1)
    • Ronald J. Amen's Direct Testimony
      • Appendix
        • Exhibit No. __ (RJA-1)
        • Exhibit No. __ (RJA-2)
    • Michael J. Adams' Direct Testimony
      • Exhibit MJA-1
      • Exhibit MJA-2
    • Tara R. Vesey.'s Direct Testimony
      • Exhibit No. __ (TRV-1)
      • Exhibit No.__(TRV-2)
      • Exhibit No.___(TRV-3)
  • Statements
  • Index
  • Statement A - Balance Sheet
    • Notes to Financial Statements
  • Statement B - Income Statement
  • Statement C - Retained Earnings
  • Statement D - Plant in Service Electric Utility
    • Schedule D-1 - Detailed Cost of Plant Electric Utility
    • Schedule D-2 - Book Changes in Electric Plant in Service
    • Schedule D-3 - Plant in Service Average Electric Utility
    • Schedule D-4 - Book Changes in Electric Plant in Service Previous Years
    • Schedule D-5 - Methods and Procedures Followed in Capitalizing AFUDC and Other Construction Overheads
    • Schedule D-6 - Significant Changes in Intangible Plant
    • Schedule D-7 - Working Papers on Plant Not Used and Useful
    • Schedule D-8 - Description of Property Records
    • Schedule D-9 - Electric Plant Acquisitions Without Regulatory Approval
  • Statement E - Accumulated Reserve for Depreciation
    • Schedule E-1 - Book Changes in Accumulated Provision for Depreciation and Amortization
    • Schedule E-2 - Procedures Followed in Depreciating or Amortizing Plant and Recording Abandonment
    • Schedule E-3 - Allocation of Overall Accumulated Reserve Accounts to Functional Groups of Plants
  • Statement F - Working Capital and Other Deductions
    • Schedule F-1 - Materials and Supplies by Principal Item of Main Account
    • Schedule F-2 - Materials and Supplies- Previous Years
    • Schedule F-3 - Customer Advances for Construction
  • Statement G - Average Utility Capital Structure
    • Statement G-1 - Long-Term Debt
    • Preferred Stock
    • Utility Common Equity
      • Schedule G-1 - Stock Dividends, Stock Splits or Changes in Par or Stated Value
      • Schedule G-2 - Common Stock Data- Five Years
      • Schedule G-3 - Reacquisition of Bonds or Preferred Stock
    • Statement H - Operating and Maintenance Expenses
      • Schedule H-1 - Operation and Maintenance Expenses Pro
        Forma
    • Schedule H-2 - Cost of Fuel and Purchased Power
    • Schedule H-3 - Administrative and General Operation and
      Maintenance Expenses
    • Schedule H-4 - Intercompany Transactions
    • Statement I - Operating Revenues
    • Statement J - Summary of Depreciation Expense
      • Schedule J-1 - Depreciation Expense Charged to Other Than Prescribed Depreciation and Amortization
        Expense
    • Statement K - Income Taxes
      • Schedule K-1 - Reconciliation of Net Income Per Books with Taxable Income Per Federal Income Tax Return
      • Schedule K-2 - Difference in Book and Tax Depreciation
      • Schedule K-3 - Net Taxable Income (Loss) for Each Company Included in MDU Resources Group Inc.'s 2013 Consolidated Federal income Tax Return
      • Schedule K-4 - Allowance for Current Tax in Excess of Tax Calculated at Consolidated Tax Rate
      • Schedule K-5 - Allowance for Current State Income Taxes
        Calculated at Consolidated Tax Rate
    • Statement L - Taxes Other Than Income
      • Schedule L-1 - Ad Valorem Taxes
    • Statement M - Overall Cost of Service
    • Statement N - Allocated Cost of Service
      • Schedule N-1 - Embedded Class Cost of Service Study, Cost of Service by Component
      • Schedule N-2 - Embedded Class Cost of Service Study - Twelve Months Ended December 31, 2022
      • Schedule N-3 - Embedded Class Cost of Service Study - Allocation Factor Report - Twelve Months Ended December 31, 2022
    • Statement O - Comparison of Cost of Service
      • Schedule O-1 - Derivation of Increased Rates
    • Statement P - Pro Forma Fuel and Purchased Power Costs
    • Statement Q - Description of Utility Operations
    • Statement R - Intercompany Transactions
  • Workpapers
    • Index
  • Statement F - Working Capital
    
    • Prepayments
      
    • Provision for Pensions and Benefits
    • Provision for Post Retirement
    • Cash Working Capital
  • Statement H - Operation and Maintenance Expenses
    • Fuel and Purchased Power
      
    • Benefits
      
    • Subcontract Labor
      
    • Big Stone and Coyote
      
    • Materials
      
    • Vehicles and Work Equipment
      
    • Company Consumption
      
    • Postage
      
    • Advertising
      
    • Insurance
      
    • Software Maintenance
      
    • Industry Dues
      
    • Regulatory Commission Expense
      
    • Office Supplies Expense
  • Statement I - Operating Revenues
    • Other Revenue
  • Statement J - Depreciation and Amortization Expense
    
    • Decommissioning
      
    • Intangible Amortization
  • Statement K - Income Taxes
    
    • Tax Depreciation on Per Books Plant in Service
      
    • Book Depreciation on Per Books Plant in Service
  • Statement L - Taxes other than Income Taxes
    
    • Production Taxes
  • Statement N - Class Cost of Service
• 09/11/23 - Staff’s First Set of Data Requests to Montana-Dakota Utilities Co. Certificate of Service
• 09/26/23 - Montana-Dakota Utilities Co., a Subsidiary of MDU Resources Group, Inc.'s Letter regarding Request for Confidential Treatment, Staff's Data Request Set 1 (1-2)
• 01/05/24 - Staff’s Second Set of Data Requests to Montana-Dakota Utilities Co. Certificate of Service
• 01/26/24 - Montana-Dakota Utilities Co., a Subsidiary of MDU Resources Group, Inc.'s Letter regarding Notice of Intent to Implement Interim Electric Service Rates
  • Notice of Intent to Implement Interim Electric Service Rates
    • Attachment A
      • Tariff Pages
      • Redlined Tariff Pages
    • Attachment B - Interim Revenue Requirement
    • Attachment C - Calculation of Interim Rate and Bill Impacts
    • Attachment D - Fuel and Purchased Power Adjustment
    • Attachment E - Report of Tariff Schedule Change Form
    • Attachment F - Customer Notice
    • Attachment G - Bill Insert
• 01/29/24 - Staff’s Third Set of Data Requests to Montana-Dakota Utilities Co. Certificate of Service
• 02/02/24 - Staff’s Fourth Set of Data Requests to Montana-Dakota Utilities Co. Certificate of Service
• 02/21/24 - Staff’s Fifth Set of Data Requests to Montana-Dakota Utilities Co. Certificate of Service
• 03/11/24 - Staff’s Sixth Set of Data Requests to Montana-Dakota Utilities Co. Certificate of Service
• 06/14/24 - Montana-Dakota Utilities Co., a Subsidiary of MDU Resources Group, Inc.'s Letter regarding Request for Waiver of SDCL 49-34A-17(3)
• 07/26/24 - Joint Motion for Approval of Settlement Stipulation (between Montana-Dakota Utilities Co., a Subsidiary of MDU Resources Group, Inc. and the Staff of the South Dakota Public Utilities Commission)
  • Settlement Stipulation
    • Exhibit A - Revised Tariff Pages
      • Redlined
    • Exhibit B - Depreciation Rates
    • Exhibit C - Interim Refund Plan
    • Exhibit D - Customer Notice
• 07/26/24 - PUC Staff Memorandum Supporting Settlement Stipulation
• PUC Staff Memorandum Supporting Settlement Stipulation Confidential (not available to the public)
• Attachment A - Summary of Revenue Requirement Issues
• Revenue Requirement
• Exhibit___(BAM-1) Schedule 1 – SD Electric Revenue Requirement
• Exhibit___(BAM-1) Schedule 2 – SD Electric Operating Income Statement Summary
• Exhibit___(BAM-1) Schedule 3 – SD Electric Operating Income Statement with Known and Measurable Adjustments
• Exhibit___(BAM-2) Schedule 1 – SD Electric Rate Base Summary
• Exhibit___(BAM-2) Schedule 2 – SD Electric Rate Base with Known and Measurable Adjustments
• Exhibit___(BAM-3) – Pro Forma Plant in Service
• Exhibit___(BAM-4) Schedule 1 – Annualization of Test Year Non-Revenue Producing Plant
• Exhibit___(BAM-4) Schedule 2 – Annualization of Test Year Non-Revenue Producing Plant – Depreciation & Deferred Taxes
• Exhibit___(BAM-5) – Post-Test Year Non-Revenue Producing Plant Additions
• Exhibit___(BAM-6) – Depreciation Expense
• Exhibit___(BAM-7) – Adjustments to Depreciation and Amortization Expense & Depreciation Charged to Clearing Accounts
• Exhibit___(BAM-8) – Intangible Plant Amortization
• Exhibit___(BAM-9) – Changes to Per Books Depreciation Due to New Rates
• Exhibit___(BAM-10) – Accumulated Reserve for Depreciation
• Exhibit___(BAM-11) – Deferred Income Tax on Plant in Service and Plant Additions
• Exhibit___(BAM-12) – Vehicles and Work Equipment
• Exhibit___(BAM-13) – Interest Synchronization Adjustment
• Exhibit___(BAM-14) – Big Stone and Coyote O&M
• Exhibit___(PJS-1) – Cash Working Capital
• Exhibit___(PJS-2) – Advanced Tax Collections
• Exhibit___(PJS-3) – Working Capital Updates
• Exhibit___(PJS-4) – Overhead Lines Expense
• Exhibit___(PJS-5) – Other Operating Revenues
• Exhibit___(BLC-1) Schedule 1 – Cost of Capital
• Exhibit___(BLC-1) Schedule 1 – Cost of Capital Confidential (not available to the public)  
• Exhibit___(EJP-1) – Labor Expense Adjustment
• Exhibit___(EJP-1) Workpaper – Labor Expense Adjustment
• Exhibit___(EJP-2) – Benefits Expense Adjustment
• Exhibit___(EJP-3) – Subcontract Labor Adjustment
• Exhibit___(EJP-4) – Materials Adjustment
• Exhibit___(EJP-5) – Company Consumption Adjustment
• Exhibit___(EJP-6) – Payroll Taxes Adjustment
• Exhibit___(JMR-1) Schedule 1 – Software Maintenance Expense Adjustment
• Exhibit___(JMR-1) Schedule 2 – Uncollectible Accounts Adjustment
• Exhibit___(JMR-1) Schedule 3 – Advertising Adjustment
• Exhibit___(JMR-1) Schedule 4 – Insurance Expense Adjustment
• Exhibit___(JMR-1) Schedule 5 – Industry Dues Adjustment
• Exhibit___(JMR-1) Schedule 6 – Rate Case Expense Adjustment
• Exhibit___(JMR-1) Schedule 7 – Ad Valorem Taxes
• Exhibit___(JMR-1) Schedule 8 – Electric Production Taxes
• Exhibit___(JG-1) – New Depreciation Rates
• Exhibit___(JG-2) – Amortization of Generation Facility Decommissioning Expense
• Rate Design
• Exhibit___(EJP-7) Schedule 1 – Total Revenue Increase by Customer Class
• Exhibit___(EJP-7) Schedule 2 – Rate Design by Customer Class Summary
• Exhibit___(EJP-7) Schedule 3-1 – Residential Service
• Exhibit___(EJP-7) Schedule 3-2 – Small General Service
• Exhibit___(EJP-7) Schedule 3-3 – Large General Service
• Exhibit___(EJP-7) Schedule 3-4 – General Space Heating Service
• Exhibit___(EJP-7) Schedule 3-5 – Municipal Lighting
• Exhibit___(EJP-7) Schedule 3-6 – Municipal Pumping
• Exhibit___(EJP-7) Schedule 3-7 – Outdoor Lighting
• Exhibit___(EJP-7) Schedule 4 – Bill Comparison
• 09/05/24 - Montana-Dakota Utilities Co.'s Letter Responding to Commission Questions
• 09/11/24 - Montana-Dakota Utilities Co.'s Letter Regarding Supplemental Information
• 09/12/24 - Docket Closed
• 12/05/24 - Montana-Dakota Utilities Co.'s Letter regarding Interim Rate Refund Compliance Filing
  • Attachment A - Interim Rate Refund Factor
  • Attachment B - Summary of Refund Applied November 14, 2024