Ameren
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| Public | |
| Traded as | : AEE S&P 500 Component |
| Industry | Utilities |
| Founded | 1997 |
| Headquarters | St. Louis, Missouri, U.S. |
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Key people
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Warner Baxter, Chairman, CEO, & President; Greg Nelson, Senior VP and General Counsel |
| Products | Electricity (16,900 megawatts) and Natural Gas |
| Revenue |
 US$7.531 billion (FY 2011)
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US$1.241 billion (FY 2011)
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US$519 million (FY 2011)
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| Total assets |
US$23.645 billion (FY 2011)
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| Total equity |
US$7.919 billion (FY 2011) |
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Number of employees
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9,323 (Dec 2011) |
| Website | www |
Ameren Corporation is an American power company created December 31, 1997 by the merger of Missouri's Union Electric Company (formerly NYSE: UEP) and the neighboring Central Illinois Public Service Company (CIPSCO Inc. holding, formerly NYSE: CIP). It is now a holding company for several power companies and energy companies. The company is based in St. Louis, Missouri, serving 2.4 million electric, and 900,000 natural gas customers across 64,000 square miles
Ameren is the holding company for the following:
The Ameren Missouri subsidiary owns Bagnell Dam on the Osage River, which forms the Lake of the Ozarks. Ameren Missouri is responsible for managing water levels on the lake according to federal regulations.
Prior to the formation of Ameren, the first major development in the history of its constituent parts occurred in 1929, when the Bagnell Dam was completed on the Osage River and generated almost 175 megawatts of hydroelectricity for Missouri's Union Electric Company. The dam also created the Lake of the Ozarks with 1,400 miles (2,300 km) of shoreline.
In 1931, Union Electric Light and Power sought additional generating sources (interurbans being one need) and the company began buying power from the Keokuk, IA dam, 150 miles (240 km) north of St. Louis. Union Electric later bought the dam, providing 134 megawatts of hydroelectricity carried over a longer distance than had ever been achieved before.
By the 1950s Union Electric owned gas operations in and around Alton, Illinois, and acquired other utilities to become the third largest distributor of natural gas in Missouri.
In 1952, Ameren's second major constituent, the Central Illinois Public Service Company, became a major pooled energy power distributor with its future Ameren mate, Union Electric Company. The arrangement formed the Midwest Power Pool system. The CIPS Meredosia, Illinois Power Station became a key contributor to the pool, which also included the later Ameren subsidiary Illinois Power Company.
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Wikipedia