Ameren Missouri

As vice president of sustainability and electrification for Ameren, Gwen Mizell is juggling more than one big challenge. Climate pledges are great, but how does a major utility company make the shift to clean energy while maintaining reliable and affordable services — and also reckon with the reality that the technology needed to become totally green does not yet exist?

Earlier this year, the Sierra Club released “The Dirty Truth About Utility Climate Pledges,” a report grading 50 utility companies across the U.S. on their transition from coal to clean energy. Ameren Missouri is among them and received a D.

Ameren Missouri has purchased a northwestern Missouri wind energy facility that’s expected to provide clean energy to about 90,000 customers.

Ameren Missouri officials announced Monday that the company will invest nearly $8 billion in renewable energy over the next 20 years. Ameren plans to retire its coal-fired coal plants by 2042.

Ameren Missouri will build electric vehicle charging stations along Interstates 70, 40 and 55. Midwestern utilities are working on the plan to assure owners of electric vehicles that they can travel long distances. The stations could help limit carbon emissions, a key part of addressing climate change.

Ransomware attackers have stolen data from a third-party vendor that supplies utility equipment to Ameren Missouri power plants.Dozens of data files from…

Two recently launched programs in Missouri aim to lower cost barriers for residents, nonprofits and businesses that want access to solar energy and to…

A federal judge on Monday ordered Ameren Missouri to install devices at its power plants in Festus and Labadie to remove harmful air pollutants. U.S.…

Ameren Missouri plans to install solar farms and storage facilities for three rural Missouri communities. If approved by the Missouri Public Service…

For Caya Aufiero, a power outage is more than an inconvenience.When one occurs, business at Urban Eats — a restaurant she co-owns in Dutchtown — can come…