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Nicor Gas operates and maintains natural gas pipes, reads meters and distributes natural gas to certified marketers. Find information about how to Manage Your Account, Pricing and Rate Plans, Billing and Payment Options, Ways to Save, Energy Efficiency Programs, and Natural Gas Vehicles.
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Choosing natural gas is an environmentally responsible way to get the reliability and performance your business needs. Find out how to manage your commercial account, access billing and payments, find commercial rebates and savings specific to your industry.
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Safety

We're committed to providing natural gas safely and reliably. Find safety information here to learn what to do in an emergency, safety precautions, activities for kids, and why you should call 811 before you dig.
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Nicor Gas is committed to supporting the needs of our customers, promoting conservation and environmental stewardship, and creating economic opportunities for all in the communities we live, work and play.
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For more than 160 years, Nicor Gas has been serving Illinois customers with clean, safe, reliable and affordable natural gas.
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Sustainability

We believe that affordable, reliable, safe and increasingly clean energy is the foundation for improving the lives of people and the communities we serve, driving economic equity and enabling progress for a better future.
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Leaks, Odor or Emergencies 888.Nicor4U (642.6748)
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Ways to Save

We provide the education, resources and financial rebates you need to make energy use in your facility more efficient and affordable. Smart businesses have an energy strategy that reduces overhead and boost profits.

Start Your Journey Here: Schedule A Free Energy Assessment

Nicor Gas has assessments to fit every type of organization from direct installs for small to medium commercial properties to detailed efficiency inspections in our opportunity assessment, facility assessment and retrocommissioning studies.

Schedule Now!

Receive Rebates for Eligible Efficiency Upgrades

Nicor Gas offers a variety of rebates for space and water heating, commercial food service, steam traps, boiler tune-ups, agriculture measures and more!

See the full list of available rebates