St. Louis-based Ameren Corporation (NYSE: AEE) is among the nation's largest investor-owned electric and gas utilities. The largest electric utility in Missouri and the second largest in Illinois, Ameren companies provide energy services to 2.4 million electric and one million natural gas customers throughout its 64,000-square-mile territory. Created by the year-end 1997 merger of Union Electric Company and Central Illinois Public Service Company, the company grew in 2003 with the acquisition of Central Illinois Light Company and again in 2004 with the acquisition of Illinois Power Company. Ameren prides itself on a long, successful tradition of financial strength, cost containment, low rates and highly rated customer service, as well as nine decades of uninterrupted cash dividend payments to stockholders.
Merger History
Union Electric announced a definitive merger agreement with CIPSCO Incorporated in August 1995; the merger was completed Dec. 31, 1997. A new holding company, Ameren Corporation, was formed as the parent of both Union Electric (now known as AmerenUE) and Central Illinois Public Service, or AmerenCIPS. The key to the merger is the opportunity it offers. Ameren will be able to operate more efficiently than the two separate companies, saving over $759 million over the first 10 years. Our markets are more diversified, and our systems and expertise complement each other.
Stockholders at both companies approved the merger on December 20, 1995 and the Missouri Public Service Commission granted approval on February 21, 1997 and the Illinois Commerce Commission approved Sept. 10, 1997. Approval from various federal agencies followed in 1997.
Corporate Fact Sheet
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