Rate Cases

Rates and Tariffs

Montana-Dakota Utilities is a regulated utility under the jurisdiction of regulatory commissions in the states it serves. The rates and tariffs listed below are approved by each state's regulatory commission. Following are links to each commission:

Rate Schedule Name Effective Date
1 Table of Contents 01/7/2016
1 CONSUMER DEPOSIT INTEREST RATE 01/1/2017
2 Communities Served 02/19/2012
10 Residential Electric Service 12/13/2016
13 Optional Residential Thermal Energy Storage 12/13/2016
16 Optional Time-of-Day Residential Electric Service 12/13/2016
20 Small General Electric Service 12/13/2016
25 Irrigation Power Service 12/13/2016
26 Optional Time-of-Day Small General Electric Service 12/13/2016
30 General Electric Service 12/13/2016
31 Optional Time-of-Day General Electric Service 12/13/2016
32 General Electric Space Heating Service 12/13/2016
34 Firm Service Economic Development 12/13/2016
38 Interruptible Large Power Demand Response 12/13/2016
40 Small Municipal Electric Service 12/13/2016
41 Municipal Lighting Service 12/13/2016
48 Municipal Pumping Service 12/13/2016
52 Outdoor Lighting Service 12/13/2016
55 Renewable Resource Cost Adjustment 01/7/2016
56 Generation Resource Recovery Rider 03/15/2016
57 Environmental Cost Recovery Rider 07/1/2015
58 Fuel and Purchased Power Adjustment 06/1/2017
59 Transmission Cost Adjustment 02/12/2016
95 Occassional Power Purchase Non-Time Differentiated 12/13/2016
96 Parallel Generation Peaking Facility Purchase Time Differentiated 12/13/2016
100 General Provisions 08/1/2013
110 Electric Service Rules and Regulations 07/22/2011
112 Electric Extension Policy 01/23/2004
131 Selective Testing Plan for Watthour Meters 01/23/2004
140 Small Qualifying Facilities (SQF) - General Rules 01/23/2004
 

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Integrated Resource Plan

Montana-Dakota Utilities' Integrated Resource Plan (IRP) is used to determine the best value resource plan for its customers. The IRP process includes four main areas: Load forecasting, demand-side analysis, supply-side analysis and integration and risk analysis. A summary of the 2015 IRP study results is provided in the PDF files below: