Keywords: Advanced Search Public Utilities & Environment Sort By:Default Listing Title Black Hills Energy Address: 3132 E 18th St Columbus NE 68601 Listing Category: Featured, Gold, Public Utilities & Environment, UtilitiesPhone: 888-890-5554 Cornhusker Public Power District Address: 23169 235 Ave. Columbus NE 68601 Listing Category: Featured, Gold, Public Utilities & Environment, UtilitiesWebsite: Visit WebsitePhone: 402-564-2821