Hours Of Operations NorthWestern Energy Montana Bozeman 59715 NorthWestern Energy Hours of Operation and Location in Bozeman, MT 59715 4.1 - 15 votes 121 E Griffin Dr, Bozeman, MT 59715 (800) 586-1386 Get Directions NorthWestern Energy Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore BozemanView More Apparel CostcoTJ MaxxRoss Dress for LessColdwater CreekCarhartt Sports CostcoTargetSport ChaletSportsman's WarehouseVans Jewelry CostcoKohl's OutletChico'sAvonSamuels Jewelers Recommend For You A Nails A Salon A+ Roofing Absolute Locksmith Alcoholics Anonymous JEA Artistic Designs A & A Locksmith A & M Construction Computers Incorporated