Hours Of Operations NorthWestern Energy Nebraska Grand Island NorthWestern Energy Hours of Operation and Locations in Grand Island, NE 4.8 - 111 votes 1 Locations in Grand Island www.northwesternenergy.com NorthWestern Energy Hours Category: Home & Garden NorthWestern Energy - Grand Island, NE 68803 3307 Island Cir(308) 385-4550 View Store Details Explore Grand IslandView More Apparel Sam's ClubTJ MaxxCatoCarharttJCPenney Sports VansSnap FitnessJazzercise Jewelry Sam's ClubHobby LobbyCatoKohl's OutletKay Jewelers Recommend For You NSTAR Orlando Utilities Commission Otter Tail Power Company Peoples Gas Pepco Runnings Farm & Fleet Tucson Electric Power United Power Urgent Care of Connecticut Aero Energy