Hours Of Operations NorthWestern Energy South Dakota Huron 57350 NorthWestern Energy Hours of Operation and Location in Huron, SD 57350 4.5 - 138 votes 600 Market St W, Huron, SD 57350 (605) 352-8411 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 HuronView More Apparel KmartH & MCarharttJCPenneyRainbow Sports Sports World Recommend For You A Salon A Touch of Country A+ Roofing Personal Touch Salon PC Clinic Convenience Store Sears Home Improvements Sports World Northside Pharmacy Otter Tail Power Company