Ameren, based in St. Louis, provides electricity and natural gas to more than 3 million customers in Missouri and Illinois.
Ameren, based in St. Louis, provides electricity and natural gas to more than 3 million customers in Missouri and Illinois. File photo The Associated Press
Ameren, based in St. Louis, provides electricity and natural gas to more than 3 million customers in Missouri and Illinois. File photo The Associated Press

Ameren reportedly is preparing bid for Topeka-based Westar

May 12, 2016 04:35 PM