Where do I pay my non-energy bill for installing new gas or electric service?
In My Account. You can use your credit card or bank account.
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Where do I find my Alliant Energy account number?
Your account number is located on your estimate. Please see the example below.

What zip code do I use?
Please use the zip code associated with the credit card or bank account you are using to make the payment.
Why don't I see a balance due?
If you are not seeing a balance due, you have received an estimate for the work to be completed. The balance is not applied to your account until all requirements, including payment for your estimate, are met to proceed with construction. Please click OK when prompted to continue. Please enter the total amount due found on your estimate to make your payment.

Why won't the system accept the last four digits of my social security number or my tax identification number?
It is likely you did not provide this during the application process. Please call us at 1-800-ALLIANT (800-255-4268). Provide us the number to pay online or pay while you are on the phone with us.
If I am paying with a credit card, what is the limit I can pay?
- For residential customers, the limit is $4,000 per transaction and/or per month.
- For business customers, the limit is $10,000 per transaction and/or per month.
- If your bill amount is above the limit, please pay with your savings or checking account or call us at 1-800-ALLIANT (800-255-4268).