Contact Us

For assistance with Billing, Payments, Starting or Stopping service:

customercare@alliantenergy.com
1-800-ALLIANT (1-800-255-4268)
Customer Service Center
4902 North Biltmore Lane
Madison, WI 53707
Customer Service Center is available Sunday - Saturday from 6:30 a.m. to 12:00 a.m. CST.

For assistance with Property Management registration:

customercare@alliantenergy.com
1-888-803-0379
Web Support is available Monday-Friday 8:00 a.m. to 5:00 p.m. CST.