The document discusses Power Smart Pricing, an hourly electricity pricing program available to Ameren Illinois residential customers. It explains that prices vary depending on demand, with lower prices during mornings, weekends and cooler months, and higher prices on hot summer weekday afternoons. Participants in Power Smart Pricing have saved an average of 20% on their monthly electric bills by shifting usage to lower price times. The document provides tips for how customers can save, such as pre-cooling homes, avoiding usage during peak hours, and maintaining efficient appliances and HVAC systems. It also lists resources for incentives and information on energy efficiency.