• Severe storms disrupted Ameren Illinois service territory, leaving about 32,000 customers without power at the time of the report.
• Warren and Henderson counties were the hardest hit; outages also affected parts of the southern region including Belleville and East St. Louis.
• More than 110 distribution and sub-transmission poles were down, raising restoration complexity and extending repair timelines.
• Estimated safe restoration times were not issued pending completion of damage assessments and passage of additional severe weather.
• An earlier report linking a Monmouth-area train derailment to utility damage was corrected; Ameren infrastructure was not impacted by the derailment.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Ameren Illinois Co. published the original content used to generate this news brief on June 17, 2026, and is solely responsible for the information contained therein.