Ameren

Ameren and Spire don't expect any disruptions for customers in the St. Louis region, who could face higher gas bills.

The Sierra Club released a report Monday that gave top utilities a letter grade based on climate actions. The environmental group gave Ameren a D, citing its lack of action on retiring coal.

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

Utility companies and nonprofits in the St. Louis region saw a dramatic increase in need for energy bill assistance over the summer. Now leaders are concerned about how people will afford staying warm this winter.

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

The Missouri Air Conservation Commission is asking state legislators to repeal a decades-old law that controls how companies fund new nuclear power…

Like many malls around the country, the St. Louis Outlet Mall in Hazelwood has been declining for a while. Today, it’s roughly 92% vacant — but Big Sports…

Twelve energy companies pitched their businesses "Shark Tank"-style at Ameren’s headquarters in St. Louis on Monday. The companies, from around the world,…

Ameren Missouri is planning $5 billion worth of improvements to its energy grid, company officials announced Friday.The Smart Energy Plan includes 2,000…

Mayor Lyda Krewson signed the Sierra Club’s “Mayors For 100 Percent Clean Energy” pledge on Tuesday, signaling her commitment to helping the city some day…