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

Ameren Missouri is reminding customers of several adjustments to its assistance programs for those needing help with their ...

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 ...

If you need help keeping up with the high cost of keeping cool in this heat, Ameren Missouri is expanding some of its energy ...

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

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

Big Hollow Energy Center would combine 800 MW of simple-cycle gas capacity with Ameren’s largest battery storage facility to ...

Ameren Missouri, a subsidiary of Ameren Corporation (NYSE: AEE), has filed a plan with the Missouri Public Service Commission (PSC) to accommodate the growing energy demands of large, energy ...

Ameren Missouri, a subsidiary of Ameren Corp., recently filed an application with the Missouri Public Service Commission to ...

ST. LOUIS — Missourians may soon see a significant increase in their electric bills. Ameren Missouri is proposing a rate hike of 15.77%, meaning many families in the area could pay an additional ...

Missouri regulators approved Ameren Missouri's request to alter its time of use default rate for customers.

The judge ruled that Ameren knew modifications to its Rush Island Energy Center would lead to more SO2 emissions. It's now set to retire the plant 15 years early.