Electronic payment options for business

Streamline bill paying through automated clearing house (ACH). This fast, easy option requires a one-time setup process using a CCD+ or CTX file format with remittance information. 

Benefits

• More control of your cash flow.
• Eliminate the cost of sending paper checks.
• Improve payment tracking and accuracy.

Get started

Iowa customers: Complete the Iowa step one form and send it to [email protected].

Wisconsin customers: Complete Wisconsin step one form and send it to [email protected].

We're part of the ACI network (formerly called Speedpay). If you already pay bills with ACI, you can add us as a biller. Fees apply for Iowa customers.

Note: We don't charge fees for online one-time payment or My Account.

To use ACI over the phone: 
Call 1-877-429-4126 and follow the voice instructions. 

To use ACI online:
Use your Alliant Energy account number to log in to the online ACI system.

Fees

ACI charges a convenience fee for each transaction. Fees vary by state. Here are the Iowa rates: 

• Residential customers: $2.99 per $600 transaction.

• Business customers: $11.50 per $2,000 transaction for business customers. (Not all business customers are eligible. Call the Business Resource Center at 1-866-ALLIANT (866-255-4268) for eligibility requirements.)

Before you make an ACI payment, please note:

• ACI payments post to your account within three business days. If you received a disconnection notice, call us at 1-800-ALLIANT (800-255-4268) with your ACI confirmation number so we can note it on your account.
• ACI does NOT allow duplicate payment amounts from the same bank account or card number on the same day.
• Customers are limited to no more than three payments via ACI in any consecutive five-day period and a maximum of five payments in any consecutive 30-day period.