NorthWestern Energy filed a request to the South Dakota Public Utilities Commission to increase electric rates later in 2015.

The Plan documents have been partitioned into separate PDF documents for faster download from our website. Depending on the size of the document, it may take several minutes for the document to download to your computer and open in Adobe Acrobat Reader.

To view these documents, you must have Adobe Acrobat Reader, Version 7.0 or later. You may download the latest version of the reader for free from the Adobe Web Site. In addition, you must have pop-up blocker turned off because each document opens in a new browser window.

Volume 1:

• Section 1:
  
  
  • Letter of Transmittal
  • Notice of Proposed Changes of Rates and Charges
  • Attestation by the Authorized Accounting Representative
  • Report of Tariff Schedule Change
    
    
• Section 2:
  
  
  • Tariff Pages
    
• Section 3:
  
  
  • Comparison of Sales, Services, and Revenues
    
• Section 4
  
  
  • Summary Explanation of Statements and Schedules
    
    
    • Statement A - Balance Sheet
      
      
    • Statement B - Income Statement
      
      
    • Statement C - Earned Surplus Statements
      
      
    • Statement D - Cost of Plant
      
      • Schedule D-1 - Detailed plant accounts
      • Schedule D-2 - Plant addition and retirement for test period
      • Schedule D-3 - Working papers showing plant accounts on average basis for test period
      • Schedule D-4 - Plant account working papers for previous years
      • Schedule D-5 - Working papers on capitalizing interest and other overheads during construction
      • Schedule D-6 - Changes in intangible plant working papers
      • Schedule D-7 - Working papers on plant in service not used and useful
      • Schedule D-8 - Property records working papers
      • Schedule D-9 - Working papers for plant aquired for which regulatory approval has not been obtained
      • Schedule D-10 - Working papers on projects that are anticipated to be completed prior to the rates in this docket going into effect
        
        
    • Statement E - Accumulated Depreciation
      • Schedule E-1 - Working papers on recorded changes to accumulated depreciation
      • Schedule E-2 - Working papers on depreciation and amortization method
      • Schedule E-3 - Working papers on allocation of overall accounts
        
        
    • Statement F - Working Capital
      • Schedule F-1 - Monthly balances for materials, supplies, fuel stocks and prepayments
      • Schedule F-2 - Monthly balances for two years immediately preceding test year
      • Schedule F-3 - Data used in computing working capital
        
    • Statement G - Rate of Return, Debt Capital, Preferred Stock Capital, Common Stock Capital
      • Schedule G-1 - Stock dividends, stock splits or changes in par or stated value
      • Schedule G-2 - Common stock information
      • Schedule G-3 - Reacquisition of bonds or preferred stock
      • Schedule G-4 - Earnings per share for claimed rate of return
        
        
    • Statement H - Operating and Maintenance Expenses
      • Schedule H-1 - Adjustments to operating and maintenance expenses
      • Schedule H-2 - Cost of power and gas
      • Schedule H-3 - Working papers for listed expense accounts
      • Schedule H-3a - List of all claimed advertising expenses and samples of ads
      • Schedule H-4 - Working papers for interdepartmental transactions
      • Schedule H-5 - Field inventory adjustment
      • Schedule H-6 - Southwest power pool adjustment
      • Schedule H-7 - Bad debt adjustment
      • Schedule H-8 - Spousal travel on aircraft adjustment
      • Schedule H-9 - Outside consulting related to rate case
      • Schedule H-10 - Various revenue adjustments
      • Schedule H-11 - Lobbying adjustment
      • Schedule H-12 - Interest synchronization
      • Schedule H-13 - Carrying charges adjustment
        
        
    • Statement I - Operating Revenues
      
      
    • Statement J - Depreciation Expense
      • Schedule J-1 - Expense charged other than prescribed depreciation
        
        
    • Statement K - Income Taxes
      • Schedule K-1 - Working papers for federal income taxes
      • Schedule K-2 - Differences in book and tax depreciation
      • Schedule K-3 - Working papers for consolidated federal income tax
      • Schedule K-4 - Working papers for an allowance for current tax greater than tax calculated at consolidated rate
      • Schedule K-5 - Working papers for claimed allowances for state income taxes
        
        
    • Statement L - Other Taxes
      • Schedule L-1 - Working papers for adjusted taxes
        
    • Statement M - Overall Cost of Service
      • Schedule M-1 - Overall cost of service - adjustments to book figures
        
        
    • Statement N - Allocated Cost of Service (Per Books)
      Statement N - Allocated Cost of Service (Adjusted)
      • Schedule N-1 - Income Tax Present Rates
      • Schedule N-2 - Income Taxes Equal ROR
      • Schedule N-3 - Functional Cost Summary
      • Schedule N-4 - Functional Labor Costs
      • Schedule N-5 - Class Allocators
      • Schedule N-6 - Functional Allocators
      • Schedule N-7 - Component Cost Summary
      • Schedule N-8 - Customer Component
        
        
    • Statement O - Comparison of Cost of Service
      • Schedule O-1 - Summary
      • Schedule O-2 - Residential
      • Schedule O-3 - Irrigation
      • Schedule O-4 - General Service
      • Schedule O-5 - Commercial Water Heating
      • Schedule O-6 - Commercial Space Heating & Cooling
      • Schedule O-7 - All Inclusive Commercial
      • Schedule O-8 - Commercial & Industrial
      • Schedule O-9 - Large Commercial & Industrial
      • Schedule O-10 - Municipal
      • Schedule O-11 - Controlled Off Peak
        
        
    • Statement P - Fuel Cost Adjustment Factor (Confidential)
      
      
    • Statement Q - Description of Utility Operations
      
      
    • Statement R - Purchases from Affiliated Companies

Volume 2:

• Prefiled Direct Testimony and Exhibits of Robert C. Rowe
  
  • Map of NWE Multi-State Service Territory
  • Map of NWE South Dakota Service Territory
    
    
• Prefiled Direct Testimony and Exhibits of Brian B. Bird
  • Capital Structure Calculation
  • National Average Authorized ROE
  • Copyright Notice
    
    
• Prefiled Direct Testimony and Exhibits of Adrien M. McKenzie
  • Qualifications of Adrien M. McKenzie
  • ROE Analyses
    
    
• Prefiled Direct Testimony and Exhibits of Kendall G. Kliewer
  • Workpapers for Statements D & E Normalizing Adjustments
  • Economic Development
  • Utility Administration Study
  • 2014 NPS A & G Study
    
    
• Prefiled Direct Testimony and Exhibits of Dr. Ronald E. White
  • Professional Qualifications
  • 2012 Depreciation Rate Study
  • 2014 Technical Update
    
    
• Prefiled Direct Testimony and Exhibits of Jeffery J. Decker
  • Confidential Customer Reconnect Charges
  • Contribution from Customers
  • Option X Customers
    
    
• Prefiled Direct Testimony and Exhibits of Gary L. Goble
  • Qualifications and Experience
  • Cost of Service Methodology
  • Analysis of Historical System Peak Demand
  • Lighting Study
    
• Prefiled Direct Testimony of Dennis L. Wagner
  
  
• Prefiled Direct Testimony and Exhibits of Bleau J. LaFave
  • 2009 South Dakota Integrated Resource Plan
  • SD Electric Integrated Resouce Plan
  • 2012 South Dakota Electric Integrated Resource Plan
  • Confidential RTO Integration Study Phase 1
    
    
• Prefiled Direct Testimony and Exhibits of Michael R. Cashell
  • South Dakota Electric Transmission System Map
    
    
• Prefiled Direct Testimony of Bobbi L. Schroeppel
  
  
• Prefiled Direct Testimony and Exhibits of Michael W. Sydow
  • South Dakota Electric Service Territory Map
  • Employee Locations Map
  • Reportable and Lost Time Incident Rates
  • Outage Performance and History

back to top