NG23-014 - In the Matter of the Application of Montana-Dakota Utilities Co., a Subsidiary of MDU Resources Group, Inc. for Authority to Increase its Natural Gas Rates
Date Filed: 08/15/23 ♦ Intervention Date: 10/13/23
Date of Notice of Filing: 08/17/23 ♦ Docket Closed: 09/12/24
Date of Notice of Filing: 08/17/23 ♦ Docket Closed: 09/12/24
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
Natural Gas Rate Increase Request Information Guide
- 09/01/23 - Order Assessing Filing Fee; Order Suspending Operation of Proposed Rates; 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 Natural Gas Rates
- Direct Testimony
- Nicole A. Kivisto's Direct Testimony
- Tammy J. Nygard's Direct Testimony
- Christopher M. Wall’s Direct Testimony
- Exhibit No. ___(CMW-2) Schedule 1, Resume
- Exhibit No. ___(CMW-2) Schedule 2, Summary of Cost Equity Analysis Results
- Exhibit No. ___(CMW-2) Schedule 3, Proxy Group Screening Data and Results
- Exhibit No. ___(CMW-2) Schedule 4, 30-day Constant Growth DCF
- Exhibit No. ___(CMW-2) Schedule 5, Capital Asset Pricing Model
- Exhibit No. ___(CMW-2) Schedule 6, Historical Value Line Beta
- Exhibit No. ___(CMW-2) Schedule 7, Market Risk Premium Derived from SP 500 Index
- Exhibit No. ___(CMW-2) Schedule 8, Analysis
- Exhibit No. ___(CMW-2) Schedule 9, Size Premium Calculation
- Exhibit No. ___(CMW-2) Schedule 10, Floatation Cost Adjustment
- Exhibit No. ___(CMW-2) Schedule 11, 2024-2027 Capital Expenditures as a Percentage of 2022 Net Plant
- Exhibit No. ___(CMW-2) Schedule 12, Regulatory Risk Assessment
- Exhibit No. ___(CMW-2) Schedule 13, Capital Structure Analysis
- Exhibit No. ___(CMW-2) Schedule 1, Resume
- Russel Nishikawa’s Direct Testimony
- Jesse Volk’s Direct Testimony
- Larry E. Kennedy’s Direct Testimony Exhibit No. LEK-1
- Michael J. Adams’ Direct Testimony
- Nathan A. Bensen’s Direct Testimony
- Tara R. Vesey’s Direct Testimony
- Ronald J. Amen’s Direct Testimony
- Stephanie Bosch’s Direct Testimony
- Exhibit No. ___ (SB-1), Firm General Contracted Demand Service Rate 74
- Exhibit No. ___ (SB-2), Summary Billing Plan Rate 115
- Statement/Schedule Index
- Statement A – Balance Sheet
- Notes to Financial Statements
- Statement B – Income Statement
- Statement C – Retained Earnings
- Statement D – Plant in Service – Gas Utility
- Schedule D-1 - Detailed Cost of Plant - Gas Utility
- Schedule D-2 - Book Changes in Gas Plant in Service
- Schedule D-3 - Plant in Service Average - Gas Utility
- Schedule D-4 - Book Changes in Gas 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 - Gas Plant Acquisitions Without Regulatory Approval
- Schedule D-1 - Detailed Cost of Plant - Gas Utility
- Statement E - Accumulated Reserve for Depreciation
- Statement F - Working Capital and Other Deductions
- Statement G - Average Utility Capital Structure
- Statement G - Long-Term Debt
- Statement G - Preferred Stock
- Statement G - Utility Common Equity
- Statement H - Summary of Operation and Maintenance Expenses
- Statement I - Operating Revenues
- Statement J - Summary of Depreciation 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 2021 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 Consolidate Tax Rate
- Statement L - Taxes Other Than Income
- Statement M - Overall Cost of Service
- Statement N - Allocated Cost of Service
- Statement O - Comparison of Cost of Service
- Statement P - Pro Forma Cost of Gas
- Statement Q - Description of Utility Operations
- Statement R - Intercompany Transactions
- Workpapers Index
- 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 Natural Gas Service Rates
- 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
- 03/12/24 - 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)
- 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___(PJS-1) Schedule 1 - SD Gas Revenue Requirement
- Exhibit___(PJS-1) Schedule 2 - SD Gas Operating Income Statement Summary
- Exhibit___(PJS-1) Schedule 3 - SD Gas Operating Income Statement with Known and Measurable Adjustments
- Exhibit___(PJS-2) Schedule 1 - SD Gas Rate Base Summary
- Exhibit___(PJS-2) Schedule 2 - SD Gas Rate Base with Known and Measurable Adjustments
- Exhibit___(PJS-3) - Interest Synchronization Adjustment
- Exhibit___(PJS-4) – Cash Working Capital
- Exhibit___(PJS-5) – Advanced Tax Collections
- Exhibit___(PJS-6) – Working Capital Updates
- Exhibit___(PJS-7) – Other Operating Revenues
- Exhibit___(BAM-1) – Pro Forma Plant in Service
- Exhibit___(BAM-2) Schedule 1 – Annualization of Test Year Non-Revenue Producing Plant Additions
- Exhibit___(BAM-2) Schedule 2 – Annualization of Test Year Non-Revenue Producing Plant Additions – Depreciation & Deferred Taxes
- Exhibit___(BAM-3) – Post-Test Year Non-Revenue Producing Plant Additions
- Exhibit___(BAM-4) – Depreciation Expense
- Exhibit___(BAM-5) – Adjustments to Depreciation and Amortization Expense and Depreciation Charged to Clearing Accounts
- Exhibit___(BAM-6) – Intangible Plant Amortization
- Exhibit___(BAM-7) – Changes to Per Books Depreciation Due to New Rates
- Exhibit___(BAM-8) – Accumulated Reserve for Depreciation
- Exhibit___(BAM-9) – Deferred Income Tax on Plant in Service and Plant Additions
- Exhibit___(BAM-10) – Vehicles and Work Equipment
- Exhibit___(BLC-1) Schedule 1 – Cost of Capital
- Exhibit___(BLC-1) Schedule 1 – Cost of Capital Confidential (not available to the public)
- Exhibit___(BLC-1) Schedule 2 – Weather Normalization
- Exhibit___(EJP-1) – Cost of Gas Adjustment
- Exhibit___(EJP-2) – Labor Expense Adjustment
- Exhibit___(EJP-2) Workpaper – Labor Expense Adjustment
- Exhibit___(EJP-3) – Benefits Expense Adjustment
- Exhibit___(EJP-4) – Subcontract Labor Adjustment
- Exhibit___(EJP-5) – Materials Adjustment
- Exhibit___(EJP-6) – Company Consumption Adjustment
- Exhibit___(EJP-7) – Ad Valorem Taxes Adjustment
- Exhibit___(EJP-8) – 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___(JG-1) – New Depreciation Rates of Rate Design
- Exhibit___(EJP-9) Schedule 1 – Rate Design by Customer Class Summary
- Exhibit___(EJP-9) Schedule 2-1 – Residential Service
- Exhibit___(EJP-9) Schedule 2-2 – Firm General Service
- Exhibit___(EJP-9) Schedule 2-3 – Small Interruptible Service
- Exhibit___(EJP-9) Schedule 2-4 – Large Interruptible Service
- Exhibit___(EJP-9) Schedule 3 – 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