Emergency? Call 1-800-ALLIANT (800-255-4268)

Contact Us

Please use the contact form or other contact information below to contact Alliant Energy regarding non-emergency issues. If you need to report an emergency situation, please do not use this form or send an email.

To report a power outage, downed power line, natural gas leak, carbon monoxide alarm or other emergency, please use our automated emergency telephone hotlines.

Servicio al cliente - Información en español

Alliant Energy contact information

For Emergencies (power outage, downed power line, natural gas emergency or leak)

Contact HoursPhone

24 hours per day / 7 days per week

1-800-ALLIANT (800-255-4268)

For Customer Service

Contact HoursPhoneEmail

6 a.m. – 9 p.m. Monday through Saturday
We accept emergency calls around the clock

1-800-ALLIANT (800-255-4268)

Contact Us

For Alliant Energy shareowners

Kari Nelson
Shareowner Services
Email Shareowner Services(608) 458-3321Kari Nelson
Shareowner Services
P.O. Box 14720
Madison, WI 53708-0720

For analysts and institutional investors

Susan Trapp Gille
Investor Relations
(608) 458-0132Susan Trapp Gille
Investor Relations
4902 North Biltmore Lane, Suite 1000
Madison, WI  53718-2148