Ameren Overview
– Ameren Corporation is an American power company.
– Created on December 31, 1997, through the merger of Union Electric Company and Central Illinois Public Service Company.
– Based in St. Louis, Missouri.
– Serves 2.4 million electric and 900,000 natural gas customers.
– Covers 64,000 square miles in central and eastern Missouri and southern Illinois.
Ameren Holdings
– Ameren Missouri
– Ameren Illinois
– Ameren Transmission Company
– Ameren Services
– Ameren Missouri subsidiary owns Bagnell Dam on the Osage River.
Origins of Ameren
– Bagnell Dam completed in 1929, generating hydroelectricity for Union Electric Company.
– Union Electric bought Keokuk dam in 1931, providing additional power sources.
– Union Electric became the third-largest distributor of natural gas in Missouri by the 1950s.
– Central Illinois Public Service Company became a major pooled energy power distributor in 1952.
– Taum Sauk Plant, a pumped storage plant, completed in 1963.
Ameren History
– Merger of CIPSCO Inc. and Union Electric Company in 1995.
– Assets and debts of both companies at the time of the merger.
– Ameren Corporation formed on December 31, 1997.
– Union Electric became AmerenUE, now Ameren Missouri.
– CIPSCO became AmerenCIPS, now Ameren Illinois.
Expansion and Acquisitions
– Formation of AmerenEnergy Resources in 2000.
– Acquisition of CILCORP Inc. and Central Illinois Light Company in 2003.
– Acquisition of Illinois Power Company from Dynegy Inc. in 2004.
– Ameren became a major investor-owned power company in downstate Illinois.
– AmerenUE signed an agreement to purchase wind power in 2009. Source: https://en.wikipedia.org/wiki/Ameren
Ameren Corporation is an American power company created December 31, 1997, by the merger of St. Louis, Missouri's Union Electric Company (formerly NYSE: UEP) and the neighboring Central Illinois Public Service Company (CIPSCO Inc. holding, formerly NYSE: CIP) of Springfield, Illinois. It is now a holding company for several power companies and energy companies. The company is based in St. Louis, serving 2.4 million electric, and 900,000 natural gas customers across 64,000 square miles in central and eastern Missouri and the southern four-fifths of Illinois by area.
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| Type | Public company |
|---|---|
| Industry | Utilities |
| Founded | 1997 |
| Headquarters | St. Louis, Missouri, U.S. |
Key people | Martin J. Lyons, Jr. (Chairman, President & Chief Executive Officer) Mark C. Birk (Ameren Missouri Chairman & President) Leonard "Lenny" Singh (Ameren Illinois Chairman & President) Michael L. Moehn (Ameren Services Chairman & President) Shawn E. Schukar (Ameren Transmission Chairman & President) |
| Products | Electricity (16,900 megawatts) and Natural Gas |
| Revenue |  US$5.794 Billion (Fiscal Year Ended 31 December 2020) |
 US$1.300 Billion (Fiscal Year Ended 31 December 2020) | |
| US$0.871 Billion (Fiscal Year Ended 31 December 2020) | |
| Total assets | US$32.030 Billion (Fiscal Year Ended 31 December 2020) |
| Total equity | US$9.080 Billion (Fiscal Year Ended 31 December 2020) |
Number of employees | 9,116 (December 31, 2021) |
| Website | ameren |
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Ameren is the holding company for the following:
- Ameren Missouri
- Ameren Illinois
- Ameren Transmission Company
- Ameren Services
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.
