MT – Montana-Dakota UtilitiesJun 30, 2025Rateacuity.comImportant Rate ChangesGas, MT Case: 2024.05.061 Initial Filing Date: 7/15/2024 Summary: 16.4% Residential, 3.8% Firm General, 0.3% Small Interruptible, 2.5% Large Interruptible Effective Date: Status: Pending Type: Gas