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:

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 2021 IRP study results is provided in the PDF files below:

North Dakota Monthly Fuel &?Purchased Power Adjustments

This charge changes monthly as the cost of fuel and purchased power fluctuates throughout the year. The document below shows the Fuel & Purchased Power Adjustment charge per kWh for the current and prior months applicable in North Dakota.


Natural Gas