News Releases

Above: The Goalby Gas Insulated Substation is improving reliability for the Belleville area. Key Takeaways: Customers in the Belleville area will benefit from improved reliability thanks to a new,...

New substation will enhance electric service reliability for customers, support economic growth in the area Key Takeaways: Customers in Williamson County and across Southern Illinois will soon...

DECATUR, Ill. (March 3, 2026) – Ameren Illinois customers traveling on the southeast side of Decatur will see energy infrastructure improvements underway beginning the week of March 3. Crews...

Key Takeaways: Ameren is focused on keeping costs as low as possible while preparing the grid for the future, replacing aging infrastructure and ensuring long-term reliability. Plans call for...

Key Takeaways: Communities in southwest Illinois and southeast Missouri will soon benefit from improved energy reliability delivered by the Grand Tower Crossing Project. Ameren Transmission...

Ameren Corporation (NYSE: AEE) announced today the pricing of a public offering of $400 million aggregate principal amount of 5.00% senior notes due 2036 at 99.802% of their principal amount. The...

ST. LOUIS (Feb. 26, 2026) – Ameren Missouri will host the annual public stakeholder meeting to review recent and upcoming Smart Energy Plan projects. Through the Smart Energy Plan, Ameren...

Union Electric Company, doing business as Ameren Missouri, a subsidiary of Ameren Corporation (NYSE: AEE), announced today the pricing of a public offering of $450 million aggregate principal...

Smart Energy Plan upgrades helped limit severe weather impacts and speed restoration during historic 2025 storm season ST. LOUIS, Feb. 12, 2026 /PRNewswire/ -- Ameren Missouri, a subsidiary of...

Key Takeaways: The Big Hollow Energy Center introduces Missouri's first integrated natural gas and battery storage facility, enhancing statewide energy reliability for homes, businesses, and industry.