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We recognize, respect and appreciate the valuable and different perspectives that each of us brings to the work environment, our company and our customers. 24 Hour Electric Emergency or Outage Reporting Service 1-800-255-4268 24 Hour Customer Service 1-800-ALLIANT (255-4268) Diggers Hotline 811 Alliant Energy 4902 North Biltmore Lane PO Box 77007 Madison, WI 53707-1007 Shareowners 1-800-353-1089. We are proud to be a Midwest energy company that provides electric and natural gas services to our customers and communities throughout Iowa, Wisconsin and Minnesota.
Alliant Energy traces its roots back nearly 100 years and we continue to deliver the energy and exceptional service that our customers and communities count on - safely, efficiently and responsibly.