Alliant Energy Corporation 401(k) Savings Planhttps://pcaobus.org/form-ap-filings/58735/58735Alliant Energy Corporation 401(k) Savings Plan587357/13/2020 2:56:06 PM20196aad852b-ca13-4bec-bbba-29add9b37c5234Deloitte & Touche LLP14536Alliant Energy Corporation 401(k) Savings Plan352541LNT0003411209Jennifer Canel Miller0003411209True