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

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 e-mail.

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


Alliant Energy contact information

For Alliant Energy customers and for other general inquiries

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


Contact Us

608-458-0100Alliant Energy
4902 North Biltmore Lane, Suite 1000
Madison, WI 53718-2148

For Alliant Energy shareowners

ContactEmailFaxMail
Kari Nelson
Shareowner Services
1-800-353-1089
shareownerservices@alliantenergy.com  608-458-3321Kari Nelson
Shareowner Services
P.O. Box 14720
Madison, WI 53708-0720

For analysts and institutional investors

ContactFaxMail
Susan Trapp Gille
Investor Relations
608-458-0132Susan Trapp Gille
Investor Relations
4902 North Biltmore Lane, Suite 1000