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Start, Stop, or Transfer Business Services

Switching Process Overview

Thank you for taking the next steps in switching to natural gas by applying for natural gas service from Nicor Gas. This page provides step-by-step instructions on how to apply to Nicor Gas for natural gas service, as well as information to assist you in understanding other responsibilities of the applicant and the processes that take place after Nicor Gas receives an application.

In order for us to provide you with natural gas service, we require information about you. Your privacy is important to us. Should you have any questions or concerns related to the privacy of your personal information, please review our policy regarding customer privacy.

If you require assistance with the gas service application process, please contact your county's New Business Coordinator directly, call with your general inquiries at 800.730.6114 or email us at switchnow@nicorgas.com.

Start Natural Gas Service

If your home is already set up for natural gas service, which means you have a meter at your home already, all you have to do is establish an account. Please complete our start service form or call us at 888.Nicor4u to establish an account or to add services.

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Stop Natural Gas Service

Utilizing natural gas for home appliances and business equipment is an environmentally responsible way to get the comfort, reliability and performance you need today. If you need to stop your Nicor Gas service, complete our service termination form.

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Our Service Area

As the state’s largest natural gas distributor, and owner and operator of one of the largest natural gas aquifer storage systems in North America, we deliver the comfort and convenience of natural gas to 2.2 million residential, public sector and business customers in more than 650 communities throughout northern Illinois.

Need a Meter Before You Start Your Service?

Do you need a new service line run to your home? Complete the new service application online or fax it to us. Click here for helpful information on how to fill out the form.

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Transfer Natural Gas Service

Moving? Need to transfer your natural gas service from one address to another? Please complete the form below or call us at 888.Nicor4u to set up your account's address transfer of services.

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Commercial Credit Application

Fill out this application and agreement. It's not an application for service. For new natural gas service, contact your local New Business Coordinator.

Complete our form