Ameren Missouri is part of St. Louis-based Ameren Corporation; we generate almost 10,500 megawatts of Ameren’s total capacity of 16,000 megawatts. Our 4,000 employees account for more than one third of Ameren’s 9,800 total workforce. And we serve 1.2 million customers in Missouri, including 127,000 gas customers. (more) But that’s far from all we do or stand for. While we’re busy keeping the power on, we’re also looking forward. We’re focused on reliability and energy efficiency. In fact, Ameren Missouri is investing millions in efficiency programs for both our business and residential customers. We’re involved in programs to protect and conserve our environment, and help our communities prosper and grow. We’re proud of our past, and we’re invested in the future.