ST. LOUIS – Ameren Missouri announced a key update to its preferred resource plan on Friday, one through which the company aims to expand energy resources and ensure reliable and affordable ...

Ameren Missouri Director Of Environmental Services Craig Giesmann sent 5 On Your Side the following statement regarding the potential MATS rollback: "The Labadie Energy Center uses numerous modern ...

ST. LOUIS, March 26, 2025 /PRNewswire/ -- Union Electric Company, doing business as Ameren Missouri, a subsidiary of Ameren Corporation (NYSE: AEE), announced today the pricing of a public ...

ST. LOUIS – Ameren Missouri strategically placed crews in various parts of the state Friday in anticipation of a storm expected to leave behind power outages. “We’ll have to monitor the ...

A bill passed by Missouri lawmakers would make many changes to utilities in the state. The bill is on the governor’s desk ...

The demand for electricity is rising and as Missouri utilities plan for more power, consumer advocates worry about the cost — especially as nuclear power may be a larger part of the state’s energy ...

Ameren owns rate-regulated generation, transmission, and distribution networks that deliver electricity and natural gas in Missouri and Illinois. It serves 2.5 million electricity customers and ...

Ameren Missouri — the electricity provider for most of mid-Missouri — operates the state’s only nuclear power plant in Callaway County. According to the company’s long-term planning ...