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.

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.
Q38022
St. Louis, Missouri
LOC
Q7885672
Union Electric Company
ORG
Q5061235
Central Illinois Public Service Company
ORG
Q28515
Springfield, Illinois
LOC
Q219577
holding company
Concept
Q2316331
power companies
Concept
Q2151621
energy companies
Concept
Q14693496
Bagnell Dam
LOC
Q1619907
Osage River
LOC
Q1801120
Lake of the Ozarks
LOC
Q462984
Ameren
ORG
Q462984
Ameren
ORG
Q462984
Ameren
ORG
Q462984
Ameren
ORG
Q462984
Ameren
ORG
Q462984
Ameren
ORG
Q462984
Ameren
ORG
Q462984
Ameren
ORG
1997-12-31T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
December 31, 1997
DATE
+2.4^^http://www.w3.org/2001/XMLSchema#decimal
2.4
NUMBER
+900.000^^http://www.w3.org/2001/XMLSchema#decimal
900,000
NUMBER
headquarters location
located on terrain feature
reservoir created
dam
lake outflow