COLLINSVILLE – Following a transparent, 11-month review process, the Illinois Commerce Commission (ICC) approved Ameren Illinois' plan to strengthen its natural gas delivery infrastructure and ensure pipeline safety and service reliability for downstate customers.

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Beginning in February, the delivery service portion of the monthly bill for the typical residential natural gas customer will increase by about $2.30. Ameren Illinois' natural gas bills remain lower than the national average. Under its natural gas modernization program, Ameren Illinois has replaced more than 200 miles of mechanically coupled steel pipeline, 100 miles of vintage steel pipes, and more than 70 natural gas regulator stations.

Along with the implementation of new technology to monitor and adjust pipeline pressurization, these projects have delivered increased safety and reliability, supported downstate growth, and created hundreds of jobs in central and southern Illinois. “The approved plan enables us to continue making prudent investments in the energy delivery system to meet the needs of our customers today while providing resiliency and flexibility for the future," said Theresa Shaw, Senior Vice President of Regulatory Affairs and Financial Services for Ameren Illinois.

"We are mindful of the economic challenges that some of our customers and communities are facing because of COVID-19 and will remain focused on providing safe and reliable services at rates that are fair and as low as possible." Bill relief Ameren Illinois has provided more than $9 million in bill payment assistance to customers impacted by the COVID-19 pandemic.

Additional relief measures for residential customers include:

Flexible repayment plans to retire a past due to balance.

Grants for customers who meet income qualification guidelines.

Visit for a list of partner agencies,, or call Ameren Illinois at 800-755-5000.

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Financial Assistance from the Illinois Low Income Home Energy Assistance Program (LIHEAP). Visit HelpIllinois or call 877-411-9276 for qualifications and guidelines.

Moratorium on service disconnections until March 31, 2021.

Tips for reducing energy costs:

Periodically replace the air filters for heating systems, clean air vents regularly and make sure drapes or furniture do not block any of the vents or returns.

Open window shades in the fall and winter to allow the sunlight to help heat rooms.

Change to energy-efficient LEDs for lighting.

Use adequate insulation in the attic, ceilings, walls, floors and crawlspaces. Seal air leaks with caulk and use weather stripping around exterior doors and windows.

Install a smart thermostat to save all year round. With the help of a smart thermostat, customers can save up to 15 percent on their home energy bills. Eligible Ameren Illinois customers can take advantage of a $100 rebate on the cost of these devices.

To learn more about Ameren Illinois' electric and gas modernization programs, visit,, and Twitter @AmerenIllinois. About Ameren Illinois Ameren Illinois delivers energy to 1.2 million electric and more than 800,000 natural gas customers in Illinois. Our mission is to power the quality of life. Our service territory covers more than 1,200 communities and 43,700 square miles. For more information, visit, find us on Twitter @AmerenIllinois or Facebook.

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Jan 14, 2021 | Ameren Illinois' Natural Gas Modernization Plan Approved by Illinois Commerce Commission Jan 14, 2021

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