Dive Summary:

• The Illinois Commerce Commission announced Thursday that Ameren Illinois will be required to cut its electric rates and return $48.1 million to customers.
• The decision, which came after a 3-2 vote, followed state regulators rejection of the utility's $625 million grid upgrade plan earlier this year, along with a review of the rates it requested as a part of that plan.
• Ameren Illinois spokesman indicated that the utility company would file for a rehearing.

From the article:

The Illinois Commerce Commission has ordered Ameren Illinois to return $48.1 million to Illinois electricity customers. ...