Get the Facts about energy prices and rate cases.
Every time you flip a light switch or turn the knob on the stove, we know you’re counting on us. It takes a lot of pipes, wires and people to deliver the electricity and natural gas you rely on, 24 hours a day, every day. The Ameren Illinois Utilities -- AmerenCIPS, AmerenCILCO and AmerenIP -- cover nearly 44,000 square miles and serve millions of people at home and in businesses.
When delivery costs rise, we need to adjust our prices to keep serving your needs safely. But we’re regulated, so we first have to file a “rate case” and request regulatory approval. What does that mean to you? This site will answer all your questions.