Nicor Login

If you already have a Nicor ID

Login ID: Password:

OR

Register for a new Nicor ID

Login ID: Password: Password (again):
Account Number (Located at the top of your bill) (Example: 1-23-45-6789)
Most Current Therm Usage (also located on your bill) (Example: 123.40 Therms) (Where is this on my bill?)