Last year, Ameren received approval from state utility regulators to build a gas power plant in St. Louis called the Castle ...

Missouri has been impacted by severe and volatile weather in 2025, including ice storms, high winds and tornado outbreaks. Despite the devastation to communities and damage to electric infrastructure, ...

The 440-acre site is seeking approval from St. Charles to build on a polluted groundwater well field near a protected wetland ...

Ameren also seeks to build its first large lithium-ion battery facility on the Jefferson County site of its former coal-fired ...

The Big Hollow Energy Center will be Ameren’s first large-scale battery facility, but the utility’s long-range plans call for ...

A utility that serves customers in Missouri announced it plans to build an 800-MW natural gas-fired power plant, along with ...

Though its grid has been impacted by ice storms, tornadoes, and other severe weather this year, Ameren Missouri said July 9, ...

Missouri is reminding customers of several adjustments to its assistance programs for those needing help with their energy bill this summer. As of June 1, the following changes went into effect: “Many ...

The identified site, which Ameren Missouri already owns, has existing infrastructure and transmission line access.

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Homes in the Lake Labadie Estates are seen near Ameren Missouri’s Labadie power plant on Wednesday, Feb. 28, 2024. The coal ...

Ameren Missouri is proposing a rate hike of 15.77%, meaning many families in the area could pay an additional $17.45 per month for their electricity if the Missouri Public Service Commission (PSC ...

Ameren Missouri is asking both electric and natural gas customers to conserve energy through Friday. “Ameren Missouri’s electric and natural gas systems remain stable,” said Mark Birk ...