WA – Avista UtilitiesJul 1, 2025Rateacuity.comImportant Rate ChangesGas, WA Case: UG-250418 Initial Filing Date: 5/30/2025 Summary: 4.9% Residential, 4.6% General Service, 3.0% Large General Service, 1.0% Interruptible Sales, 0.2% Transportation Service Effective Date: 8/1/2025 Status: Pending Type: Gas