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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...
Smart hedging strategies led to $28.5 million in customer savings from on‑system storage usage COLLINSVILLE, Ill. (Jan. 28, 2026) – Winter returned with a familiar punch this week as an arctic...
Smart hedging strategies led to $28.5 million in customer savings from on‑system storage usage COLLINSVILLE, Ill. (Jan. 28, 2026) – Winter returned with a familiar punch this week as an arctic...
Clearing snow and ice from meters and vents helps ensure safe service COLLINSVILLE, Ill. (January 26, 2026) – With significant snowfall across the region, Ameren is reminding customers to take a...
