Pricing and Rate Plans

We want you to be informed about your rate options. Nicor Gas has its Rates and Riders on file with the Illinois Commerce Commission (ICC) and they are also listed in our Schedule of Rates for Gas Service (ICC No. 16) – also called our Rate Book. A number of Riders on file with the ICC are updated monthly, including Rider 6 – the Gas Supply Cost (GSC). Updates to information sheets are posted on the first of each month.

See Rates and Riders

Current Cost of Gas

Every month we file a gas supply charge with the Illinois Commerce Commission. It is the price customers pay for gas purchased from Nicor Gas. As a regulated utility, Nicor Gas does not profit from the sale of natural gas. The price we pay for gas is passed on to our customers without markup.

December 2024 25 cents per therm
November 2024 28 cent per therm
December 2023 37 cent per therm

Customer Select®

Customer Select® is all about choices. It's a voluntary, free program offered by Nicor Gas that allows you to choose your natural gas supplier. Depending on the supplier, you will find some offers that lock in your natural gas price and others that compete with Nicor Gas' monthly gas supply charges. By comparing offers and making the choice that's best for you, you may be able to save money on the cost of your natural gas. Savings may depend on several factors including the amount of gas you use, the terms of your agreement with your supplier and the natural gas market.

Learn more about Customer Select®

About the Cost of Gas

What is this month's cost of gas?

The cost of gas can vary greatly from month-to-month. Visit this page monthly to stay informed on the latest price.

Does Nicor Gas set the price of natural gas?

No. Natural gas is a commodity and the price is determined by the market based on several factors. When Nicor Gas buys gas on your behalf and delivers it to your business, we charge you exactly what we paid for it – we are not allowed to mark it up, by regulation of the Illinois Commerce Commission.

What is Nicor Gas doing to manage fluctuations in natural gas prices?

1. Natural gas is a commodity, so prices fluctuate based on several factors. We take actions to help lessen the impact of market prices by filling our underground storage fields during summer months when gas prices are typically lower, using financial purchasing instruments and hedging. These actions account for about three-quarters of the gas needed for the winter season.

2. Use our Bill Planning Guide to help get an idea of what your upcoming bills might be.

3. Nicor Gas offers payment programs, such as the Budget Plan, that allow you to spread your payments over a 12-month period, with adjustments up or down every four months to correct for future gas prices and your usage. Your monthly bill must be less than $4,000 to qualify.

Where can I get more information on gas prices?

Visit the gas rates and costs section of this site. There you will find the most up-to-date information including the current cost of gas, energy-saving tips, press releases on the cost of gas and payment information.