362:
722:
524:. Both of those former utilities had traded publicly on the New York Stock Exchange, under ticker symbol CIP and UEP, respectively. At the time of the merger, Union Electric had assets of nearly US$ 600 million, but still carried nearly US$ 1.8 billion in long-term debt, although down from US$ 2.5 billion which it had accumulated by the 1980s. CIPSCO had assets of about US$ 210 million, but still carried nearly half of US$ 1 billion in long-term debt, which it had also accumulated by the 1980s.
762:, 229 F.Supp.3d 906 (2017) 48295 (D.C., E.D. Missouri, Eastern Division. 01/23/17). EPA alleged Ameren violated the Clean Air Act, the Missouri State Implementation Plan, and Ameren's Rush Island Plant Title V Permit when it undertook major modifications at the Rush Island Plant in 2007 through 2010 without obtaining the required permits under the Prevention of Significant Deterioration (PSD) provisions of the New Source Review (NSR) program.
602:
360 million in assets, it carried long-term debt of over US$ 2 billion. In 1991, Illinois Power reorganized as a holding company, Illinova
Corporation, which traded on the NYSE with ticker symbol ILN. Illinova had grown to an S&P Midcap 400 stock by 1996, with over US$ 415 million in assets, and had brought the IP utility's debt down to US$ 1.8 billion by then. In a merger completed February 1, 2000, Illinova became a wholly owned subsidiary of Dynegy Inc. (
742:
with no one onsite during pumping operations. Rebuilding the upper reservoir of the AmerenUE Taum Sauk pumped-storage hydroelectric plant cost $ 450 million. The upper reservoir was constructed with roller compacted concrete (RCC); and online in 2010, this 54.5-acre (221,000 m) reservoir is the largest RCC dam in North
America. The 450-megawatt Taum Sauk pumped storage hydroelectric plant began generating electricity again on April 21, 2010.
582:. CILCORP had traded on the NYSE with ticker symbol CER prior to its acquisition by AES, and by the mid-1990s had become a member of the S&P Small Cap 600 index. CILCO had been another pioneer utility in the region, which had paid a dividend since 1921. By 1996, it had grown to over US$ 150 million in assets, and carried US$ 330 million in long-term debt. Following the 2003 Ameren acquisition, that utility began doing business as
38:
321:
297:
273:
249:
225:
770:, with scrubbers. Ameren instead decided to close the plant in 2024, 15 years ahead of schedule. Sippel also ordered Ameren to install sulfur dioxide scrubbers on its Labadie plant, also in Missouri, but a federal appeals court overturned that condition even though “the government never provided notice of or alleged” that the plant committed a Clean Air Act violation.
629:'s Pioneer Prairie Wind Farm in Iowa, which is enough to power 26,000 households. The power AmerenUE is purchasing will tie into the Midwest Independent System Operator (MISO) transmission grid, of which the company is a member, fulfilling AmerenUE's commitment to add 100 megawatts of renewable capacity to serve its Missouri customers by 2010.
633:
service territories of the three former
Illinois operating companies—Zone I (the former AmerenCIPS), Zone II (the former AmerenCILCO) and Zone III (the former AmerenIP). On the same date, AmerenUE changed its name to Ameren Missouri Company. The former Illinois portion of the AmerenUE territory was transferred to Ameren Illinois Zone I.
765:
In
January 2017 the District Court found that Ameren "...violated the Clean Air Act without obtaining the necessary permits, installing best-available pollution technology, and otherwise meeting applicable requirements." Judge Rodney Sippel entered a finding of liability in January 2017 and ordered a
807:
chemicals. In June 2014 Ameren was removing contaminated soil from the area, and expected to finish by
September 2014. As of 2019 the city is considering purchasing the lot to create a public park. Ameren has been criticized by the North Village Board of Directors for owning "a whole city block that
786:
but state utility regulators turned down oversight of the project. As a result, Ameren canceled the program because it would not recover its investments. However, in early 2018 Ameren tried again, this time launching a program called "Charge Ahead" which incentivizes the installation of around 1,200
632:
On
October 1, 2010 Ameren's three Illinois operating companies merged to become Ameren Illinois Company. The merger resulted in a single operating company providing power to most of downstate Illinois. However, the Ameren Illinois service territory is split into three rate zones corresponding to the
851:
to pass regulations on harmful emissions contributing to regional haze affecting neighboring communities. Labadie is also the second-largest producer of greenhouse gases among the nation’s coal plants, according to EPA data. A study published in the journal
Science used Medicare records to estimate
741:
fined Ameren $ 15 million. The State of
Missouri has sued Ameren for actual and punitive damages, alleging Ameren recklessly operated the plant and put financial considerations from sale of power to other companies over safety, maintenance and engineering. The plant was operated by remote control
601:
Inc. That utility had traded publicly on the NYSE under the ticker symbol IPC through the 1980s, and paid dividends since 1947. As of the late 1980s, the company generated electricity and natural gas, almost entirely from coal plants, with less than 1% fueled from oil and gas. By then, with about $
614:
also took a 28% stake. Dynegy in turn had been created in June 1998, from the merger of
Chevron's natural gas and natural gas liquids businesses with Dynegy's predecessor, NGC Corp. (former ticker NGL). NGC had been an integrated natural gas services company around since 1994. Following Ameren's
852:
the number of deaths tied to air pollution from coal plants, estimating that from 1999 to 2020, about 4,000 deaths were linked to “fine particulate matter” from
Labadie, far more than any other coal plant across seven Midwestern states.
1436:
855:
Labadie received notice of Clean Air Act violations from the EPA in at least 2010 and 2011, being cited for “major modifications that caused a significant net emissions increase” without first obtaining proper permits.
538:, now known as Ameren Missouri. Today, with nine power plants Ameren Missouri serves 1.2 million power customers and 110,000 gas customers, primarily in Missouri, where more than half of its customers reside in the
755:
In 2011 the United States Environmental Protection Agency (EPA) filed suit (Case No. 4:11 CV 77 RWS) against Ameren Missouri concerning excess sulfur (SO2) emissions from the Rush Island Plant in Festus, Missouri
589:
At the end of 2003, Ameren's chairman and chief executive, Charles Mueller, retired and was succeeded in both positions by Gary Rainwater, the company's president and chief operating officer the past two years.
400:. The company is based in St. Louis, with 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.
527:
The merger was completed on December 31, 1997, when the two public companies became one, as Ameren Corporation, which then began to trade publicly on the New York Stock Exchange with the ticker symbol AEE.
1700:
1675:
1625:
567:
In 2002, Ameren Corporation announced a voluntary retirement program, which was offered to approximately 1,000 of Ameren's 7,400 current employees, expecting to realize significant long-term savings.
1486:
468:, 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.
1544:
1461:
816:
Ameren Missouri sponsors the Adopt-the-Shoreline program, which enables people to “adopt” portions of the shoreline for litter control. They also control other shoreline activities in the
1418:"Rebuild of AmerenUE Taum Sauk Plant Reservoir To Serve As Engine For Missouri and Regional Economic Growth, Recent Study Shows. Rebuild Expected to Add 635 jobs, $ 48 million in Income"
622:
In December 2004, Ameren announced that Patrick T. Stokes, the president and chief executive officer of Anheuser-Busch Cos., Inc., was elected to the Ameren board of directors.
1014:
824:. The company maintains the Lake and Shoreline Protection Hotline that anyone who wishes can use to report neglected docks or other concerns they may have about the lake.
1293:
1810:
637:
482:, 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
1650:
1785:
1800:
1795:
1417:
1765:
1404:
1202:
1572:
1116:
493:
In 1963 Union Electric completed construction of one of the largest pumped storage plants at that time, the then-350-megawatt Taum Sauk Plant, in
1513:
1790:
1015:
https://www.lakeexpo.com/news/lake_news/what-is-shoreline-management-at-lake-of-the-ozarks/article_08ecbb10-fafe-11e4-bc08-175bc99f2987.html
647:’s 10 best energy companies to work for in America list. In the report, seventy four percent of employees said their job has high meaning.
795:
In nineteenth and twentieth centuries a local utility company operated a coal gasification plant at the corner of Ash and Orr streets in
1328:
820:
such as the regulation of boat docks, seawalls and other structures within the Osage Project boundary on the lake and downstream from
1602:
1267:
875:
1241:
545:
The former CIPSCO Inc. utility, Central Illinois Public Service Company, became Ameren's other operating company, doing business as
1815:
1770:
840:
report. Even if Labadie’s SO2 emissions were cut in half, it would still emit more than all but two coal plants in the country.
445:
Prior to the formation of Ameren, the first major development in the history of its constituent parts occurred in 1929, when the
381:
1304:
1805:
716:
725:
A large section of the Taum Sauk upper reservoir failed, draining over a billion gallons of water in less than half an hour.
901:
542:
metropolitan area. It also served Iowa as well through the mid-1990s, and served adjoining parts of Illinois until 2010.
501:
663:
As of 2021, Ameren Illinois and Ameren Missouri distribute electricity and natural gas to most of central and southern
241:
655:
Ameren owns and operates transmission lines at the following voltages: 345kV, 230kV, 161kV, 138kV, 69kV and 34.5kV.
836:, does not have sulfur dioxide scrubbers, making it the country's highest emitter of the pollutant, according to a
734:
1421:
787:
charging stations. In addition, the program creates incentives for the adoption of commercial electric vehicles.
847:
report included Ameren's Labadie Energy Center among the 17 deadliest coal plants in the US, with calls to the
730:
1745:
520:-listed Union Electric Company, approved the merger of the two companies, which were to then be combined as
1373:
1352:
733:, which failed on December 14, 2005, causing extensive damage to the east fork of the Black River and to
432:. Ameren Missouri is responsible for managing water levels on the lake according to federal regulations.
190:
177:
165:
153:
136:
1199:
1580:
767:
449:
was completed on the Osage River and generated almost 175 megawatts of hydroelectricity for Missouri's
1521:
1155:
833:
680:
505:
494:
393:
1133:
625:
In 2009, AmerenUE signed an agreement to purchase 102 megawatts (MW) of wind power from phase II of
486:
Power Station became a key contributor to the pool, which also included the later Ameren subsidiary
1771:
Missouri Attorney General Press Release with link to Petition for lawsuit against Ameren for breach
1219:
1169:
704:
475:, and acquired other utilities to become the third largest distributor of natural gas in Missouri.
1094:
937:
837:
603:
140:
65:
619:. The IP acquisition made Ameren the major investor-owned power company in downstate Illinois.
516:
In 1995 shareholders of both CIPSCO Inc. and of its neighboring utility of twice its size, the
377:
990:
799:, that was subsequently demolished. The company was purchased by the Ameren Corporation. The
385:
17:
1069:
962:
1610:
1271:
872:
636:
In 2015, Ameren became the first major energy company to open an Innovation Center at the
361:
8:
1549:
1245:
626:
611:
483:
465:
373:
116:
1651:"Sierra Club calls on EPA to enforce coal plant rules, highlighting Missouri facilities"
1268:"A FIRST! AmerenUE Purchases 102 Megawatts of Wind Power - Enough for 26,000 Households"
817:
796:
782:. In 2016, the company attempted to launch a pilot program to install electric vehicle
721:
454:
429:
1393:
1462:"Ameren seeks to add hundreds of electric vehicle charging stations across Missouri"
593:
In 2004, Ameren acquired the third partner from the 1952 Midwest Power Pool system,
783:
779:
676:
644:
571:
313:
1206:
879:
579:
472:
389:
1740:
1487:"Ameren continues Orr Street cleanup; harsh winter pushes back completion date"
696:
397:
48:
1570:
460:
In 1931, Union Electric Light and Power sought additional generating sources (
207:
1779:
1013:
What Is Shoreline Management At Lake Of The Ozarks? by Jeff Green, LakeExpo;
56:
804:
800:
1701:"Ameren coal plant is top polluter. Labadie emits more SO2 than any in US"
1676:"Ameren coal plant is top polluter. Labadie emits more SO2 than any in US"
1626:"Ameren coal plant is top polluter. Labadie emits more SO2 than any in US"
1437:"Ameren coal plant is top polluter. Labadie emits more SO2 than any in US"
1242:"President and CEO of Anheuser-Busch Elected to Ameren Board of Directors"
766:
remedy that called for the company to equip its Rush Island coal plant in
844:
821:
446:
425:
421:
372:
is an American power company created December 31, 1997, by the merger of
213:
202:
615:
acquisition of Illinois Power, that subsidiary began doing business as
517:
461:
265:
74:
1750:
607:
69:
700:
695:
As of 2017 Ameren shares are mainly held by institutional investors (
672:
539:
88:
1766:
FERC Taum Sauk Page - Reports, Charges and Settlement available here
1405:
FERC Taum Sauk Page - Reports, Charges and Settlement available here
803:
process contaminated the soil and some groundwater in the area with
684:
668:
664:
186:
173:
161:
149:
132:
1545:"Arts District envisions brighter future for Orr Street property"
500:
In 1984 Union Electric added nuclear energy to the mix, when the
531:
The name Ameren comes from the combination of American electric
1571:
North Village Arts District Board of Directors (May 30, 2019).
598:
471:
By the 1950s Union Electric owned gas operations in and around
37:
534:
Following the merger, Union Electric began doing business as
289:
1170:"Ameren, Form 8-K, Current Report, Filing Date Mar 24, 2004"
1134:"Ameren, Form 8-K, Current Report, Filing Date Jan 31, 2003"
1095:"Ameren, Form 10-K, Annual Report, Filing Date Mar 30, 2000"
1070:"Ameren, Form 8-K, Current Report, Filing Date Mar 15, 2010"
464:
being one need) and the company began buying power from the
1220:"Ameren, Form 8-K, Current Report, Filing Date Feb 3, 2004"
1117:"Ameren Corporation Announces Voluntary Retirement Program"
963:"Ameren, Form 8-K, Current Report, Filing Date Nov 9, 2012"
938:"Ameren, Form 8-K, Current Report, Filing Date Jan 2, 1998"
738:
324:
300:
276:
252:
228:
1603:"AmerenUE sets up new website for Lake of the Ozarks info"
832:
Unlike most coal energy plants, the Labadie coal plant in
1729:
848:
638:
Research Park, University of Illinois at Urbana-Champaign
1156:"Mueller to retire from Ameren; Rainwater to take reins"
679:
and surrounding suburbs. It excludes almost all of the
1128:
1126:
1505:
1329:"The 10 best energy companies to work for in America"
1064:
1062:
932:
930:
928:
926:
1087:
350:
1212:
1162:
1123:
778:Ameren has a history of supporting the adoption of
1811:Hydroelectric power companies of the United States
1059:
1052:
1050:
1048:
1046:
1037:A century of excellence: Ameren history, 1902-2002
1034:
955:
923:
808:is in disrepair and for an aversion to commerce."
1536:
1030:
1028:
1026:
1024:
1022:
710:
574:-based CILCORP, Inc. and its leading subsidiary,
403:Ameren is the holding company for the following:
1777:
1190:Standard & Poor's Stock Guide, December 1987
1184:
790:
478:In 1952, Ameren's second major constituent, the
1786:Companies listed on the New York Stock Exchange
1043:
457:with 1,400 miles (2,300 km) of shoreline.
1209:, Chevron Press Release Archives, Feb. 2, 2000
1019:
504:began providing 1,143 megawatts of power from
1801:Electric power companies of the United States
1200:CHEVRON CORP. APPLAUDS DYNEGY-ILLINOVA MERGER
1056:Standard & Poor's Stock Guide, April 1996
896:
894:
892:
890:
888:
384:(CIPSCO Inc. holding, formerly NYSE: CIP) of
1796:Nuclear power companies of the United States
1514:"An Empty Lot in the District Shows Promise"
671:. This service area includes the cities of
552:In 2000, Ameren formed the holding company,
1478:
1698:
1673:
1623:
1434:
885:
365:Ameren technician replacing a street light
556:. It contained two further subsidiaries,
380:(formerly NYSE: UEP) and the neighboring
1699:Gray, Bryce; Renaud, Josh (2024-04-21).
1674:Gray, Bryce; Renaud, Josh (2024-04-21).
1624:Gray, Bryce; Renaud, Josh (2024-04-21).
1542:
1435:Renaud, Bryce; Gray, Josh (2024-04-22).
1415:
1265:
827:
720:
360:
1511:
1193:
902:"Ameren Corporation 2020 Annual Report"
745:
480:Central Illinois Public Service Company
382:Central Illinois Public Service Company
14:
1778:
1736:Business data for Ameren Corporation:
1484:
650:
811:
717:Taum Sauk Hydroelectric Power Station
1791:Energy companies established in 1997
1648:
1543:Przybyla, Sarah (November 3, 2016).
1512:Bayless, Kacen J. (March 28, 2019).
1394:Ameren Corporation Ownership Summary
866:
773:
667:and to much of northern and eastern
420:The Ameren Missouri subsidiary owns
1374:"Ameren Missouri Service Territory"
1353:"Ameren Illinois Service Territory"
502:Callaway Nuclear Generating Station
24:
643:In 2016, Ameren was named 10th on
329:Fiscal Year Ended 31 December 2020
305:Fiscal Year Ended 31 December 2020
281:Fiscal Year Ended 31 December 2020
257:Fiscal Year Ended 31 December 2020
233:Fiscal Year Ended 31 December 2020
25:
1827:
1721:
511:
1459:
759:United States v. Ameren Missouri
750:
683:, where about three quarters of
320:
319:
296:
295:
272:
271:
248:
247:
224:
223:
36:
1816:1997 establishments in Missouri
1692:
1667:
1642:
1617:
1595:
1564:
1485:Denney, Andrew (May 21, 2014).
1453:
1428:
1420:(Press release). Archived from
1409:
1398:
1387:
1366:
1345:
1321:
1286:
1270:(Press release). Archived from
1259:
1234:
1148:
1109:
658:
1007:
991:"Our Businesses | Ameren Corp"
983:
731:Taum Sauk pumped storage plant
711:Taum Sauk pumped storage plant
576:Central Illinois Light Company
341:9,116 (December 31, 2021)
13:
1:
1609:. May 2, 2008. Archived from
1416:AmerenUE (February 1, 2008).
859:
791:Former manufactured gas plant
735:Johnson's Shut-Ins State Park
1806:Companies based in St. Louis
1759:
1649:Kite, Allison (2023-05-25).
882:, Accessdate: April 24, 2011
690:
7:
1035:Ameren Corporation (2002).
453:. The dam also created the
413:Ameren Transmission Company
100:; 27 years ago
27:American utilities provider
10:
1832:
1266:AmerenUE (June 18, 2009).
768:Jefferson County, Missouri
714:
440:
435:
834:Franklin County, Missouri
729:Ameren Missouri owns the
681:Chicago metropolitan area
570:In 2003, Ameren acquired
506:Callaway County, Missouri
495:Reynolds County, Missouri
345:
335:
311:
287:
263:
239:
219:
198:
123:
112:
94:
84:
54:
44:
35:
1573:"Hopeful for the Future"
1294:"AMEREN CORPORATE FACTS"
705:State Street Corporation
1705:St. Louis Post-Dispatch
1680:St. Louis Post-Dispatch
1630:St. Louis Post-Dispatch
1577:Columbia Business Times
1518:Columbia Business Times
838:St. Louis Post-Dispatch
687:'s population resides.
562:AmerenEnergy Generating
141:Chief Executive Officer
1491:Columbia Daily Tribune
726:
595:Illinois Power Company
558:AmerenEnergy Marketing
554:AmerenEnergy Resources
488:Illinois Power Company
451:Union Electric Company
378:Union Electric Company
366:
158:Leonard "Lenny" Singh
828:Labadie Energy Center
724:
386:Springfield, Illinois
364:
185:(Ameren Transmission
129:Martin J. Lyons, Jr.
1655:Missouri Independent
1493:. Columbia, Missouri
1424:on February 2, 2013.
746:Environmental issues
1550:Columbia Missourian
651:Ameren Transmission
627:Horizon Wind Energy
612:Chevron Corporation
484:Meredosia, Illinois
374:St. Louis, Missouri
337:Number of employees
117:St. Louis, Missouri
32:
1205:2007-09-29 at the
911:. 31 December 2020
878:2011-08-27 at the
873:Facts about Ameren
818:Lake of the Ozarks
812:Lake of the Ozarks
797:Columbia, Missouri
727:
522:Ameren Corporation
455:Lake of the Ozarks
430:Lake of the Ozarks
428:, which forms the
370:Ameren Corporation
367:
31:Ameren Corporation
30:
1613:on July 15, 2009.
1222:. secdatabase.com
1172:. secdatabase.com
1136:. secdatabase.com
1097:. secdatabase.com
1075:. secdatabase.com
784:charging stations
780:electric vehicles
774:Electric vehicles
737:. Consequently,
707:, among others).
359:
358:
211:
194:
183:Shawn E. Schukar
181:
172:(Ameren Services
170:Michael L. Moehn
169:
160:(Ameren Illinois
157:
148:(Ameren Missouri
144:
16:(Redirected from
1823:
1733:
1732:
1730:Official website
1715:
1714:
1712:
1711:
1696:
1690:
1689:
1687:
1686:
1671:
1665:
1664:
1662:
1661:
1646:
1640:
1639:
1637:
1636:
1621:
1615:
1614:
1607:Lake Expo Online
1599:
1593:
1592:
1590:
1588:
1583:on July 22, 2019
1579:. Archived from
1568:
1562:
1561:
1559:
1557:
1540:
1534:
1533:
1531:
1529:
1524:on July 22, 2019
1520:. Archived from
1509:
1503:
1502:
1500:
1498:
1482:
1476:
1475:
1473:
1472:
1457:
1451:
1450:
1448:
1447:
1432:
1426:
1425:
1413:
1407:
1402:
1396:
1391:
1385:
1384:
1382:
1381:
1370:
1364:
1363:
1361:
1360:
1349:
1343:
1342:
1340:
1339:
1333:Business Insider
1325:
1319:
1318:
1316:
1315:
1309:
1303:. Archived from
1298:
1290:
1284:
1283:
1281:
1279:
1263:
1257:
1256:
1254:
1253:
1244:. Archived from
1238:
1232:
1231:
1229:
1227:
1216:
1210:
1197:
1191:
1188:
1182:
1181:
1179:
1177:
1166:
1160:
1159:
1152:
1146:
1145:
1143:
1141:
1130:
1121:
1120:
1113:
1107:
1106:
1104:
1102:
1091:
1085:
1084:
1082:
1080:
1074:
1066:
1057:
1054:
1041:
1040:
1032:
1017:
1011:
1005:
1004:
1002:
1001:
987:
981:
980:
978:
976:
967:
959:
953:
952:
950:
948:
934:
921:
920:
918:
916:
906:
898:
883:
870:
761:
677:East Saint Louis
645:Business Insider
398:energy companies
355:
352:
323:
322:
316:
303:32.030 Billion (
299:
298:
292:
275:
274:
251:
250:
242:Operating income
227:
226:
205:
184:
171:
159:
147:
130:
108:
106:
101:
40:
33:
29:
21:
1831:
1830:
1826:
1825:
1824:
1822:
1821:
1820:
1776:
1775:
1762:
1755:
1728:
1727:
1724:
1719:
1718:
1709:
1707:
1697:
1693:
1684:
1682:
1672:
1668:
1659:
1657:
1647:
1643:
1634:
1632:
1622:
1618:
1601:
1600:
1596:
1586:
1584:
1569:
1565:
1555:
1553:
1541:
1537:
1527:
1525:
1510:
1506:
1496:
1494:
1483:
1479:
1470:
1468:
1458:
1454:
1445:
1443:
1433:
1429:
1414:
1410:
1403:
1399:
1392:
1388:
1379:
1377:
1372:
1371:
1367:
1358:
1356:
1351:
1350:
1346:
1337:
1335:
1327:
1326:
1322:
1313:
1311:
1307:
1296:
1292:
1291:
1287:
1277:
1275:
1264:
1260:
1251:
1249:
1240:
1239:
1235:
1225:
1223:
1218:
1217:
1213:
1207:Wayback Machine
1198:
1194:
1189:
1185:
1175:
1173:
1168:
1167:
1163:
1154:
1153:
1149:
1139:
1137:
1132:
1131:
1124:
1115:
1114:
1110:
1100:
1098:
1093:
1092:
1088:
1078:
1076:
1072:
1068:
1067:
1060:
1055:
1044:
1033:
1020:
1012:
1008:
999:
997:
989:
988:
984:
974:
972:
970:secdatabase.com
965:
961:
960:
956:
946:
944:
942:secdatabase.com
936:
935:
924:
914:
912:
904:
900:
899:
886:
880:Wayback Machine
871:
867:
862:
830:
814:
793:
776:
757:
753:
748:
719:
713:
693:
661:
653:
580:AES Corporation
514:
473:Alton, Illinois
443:
438:
416:Ameren Services
410:Ameren Illinois
407:Ameren Missouri
394:power companies
390:holding company
349:
338:
327:9.080 Billion (
312:
288:
279:0.871 Billion (
268:
255:1.300 Billion (
244:
231:5.794 Billion (
126:
104:
102:
99:
80:
59:
28:
23:
22:
15:
12:
11:
5:
1829:
1819:
1818:
1813:
1808:
1803:
1798:
1793:
1788:
1774:
1773:
1768:
1761:
1758:
1757:
1756:
1754:
1753:
1748:
1743:
1737:
1734:
1723:
1722:External links
1720:
1717:
1716:
1691:
1666:
1641:
1616:
1594:
1563:
1535:
1504:
1477:
1452:
1427:
1408:
1397:
1386:
1365:
1344:
1320:
1285:
1258:
1233:
1211:
1192:
1183:
1161:
1147:
1122:
1108:
1086:
1058:
1042:
1018:
1006:
982:
954:
922:
884:
864:
863:
861:
858:
829:
826:
813:
810:
792:
789:
775:
772:
752:
749:
747:
744:
715:Main article:
712:
709:
697:Vanguard group
692:
689:
660:
657:
652:
649:
513:
512:Ameren history
510:
466:Keokuk, IA dam
442:
439:
437:
434:
418:
417:
414:
411:
408:
388:. It is now a
357:
356:
347:
343:
342:
339:
336:
333:
332:
317:
309:
308:
293:
285:
284:
269:
264:
261:
260:
245:
240:
237:
236:
221:
217:
216:
200:
196:
195:
127:
124:
121:
120:
114:
110:
109:
96:
92:
91:
86:
82:
81:
79:
78:
72:
62:
60:
55:
52:
51:
49:Public company
46:
42:
41:
26:
9:
6:
4:
3:
2:
1828:
1817:
1814:
1812:
1809:
1807:
1804:
1802:
1799:
1797:
1794:
1792:
1789:
1787:
1784:
1783:
1781:
1772:
1769:
1767:
1764:
1763:
1752:
1749:
1747:
1744:
1742:
1739:
1738:
1735:
1731:
1726:
1725:
1706:
1702:
1695:
1681:
1677:
1670:
1656:
1652:
1645:
1631:
1627:
1620:
1612:
1608:
1604:
1598:
1582:
1578:
1574:
1567:
1552:
1551:
1546:
1539:
1523:
1519:
1515:
1508:
1492:
1488:
1481:
1467:
1463:
1460:Gray, Bryce.
1456:
1442:
1438:
1431:
1423:
1419:
1412:
1406:
1401:
1395:
1390:
1375:
1369:
1354:
1348:
1334:
1330:
1324:
1310:on 2015-03-15
1306:
1302:
1295:
1289:
1274:on 2013-05-30
1273:
1269:
1262:
1248:on 2015-02-15
1247:
1243:
1237:
1221:
1215:
1208:
1204:
1201:
1196:
1187:
1171:
1165:
1157:
1151:
1135:
1129:
1127:
1118:
1112:
1096:
1090:
1071:
1065:
1063:
1053:
1051:
1049:
1047:
1038:
1031:
1029:
1027:
1025:
1023:
1016:
1010:
996:
992:
986:
971:
964:
958:
943:
939:
933:
931:
929:
927:
910:
903:
897:
895:
893:
891:
889:
881:
877:
874:
869:
865:
857:
853:
850:
846:
841:
839:
835:
825:
823:
819:
809:
806:
802:
798:
788:
785:
781:
771:
769:
763:
760:
751:Clean Air Act
743:
740:
736:
732:
723:
718:
708:
706:
702:
698:
688:
686:
682:
678:
674:
670:
666:
656:
648:
646:
641:
639:
634:
630:
628:
623:
620:
618:
613:
609:
605:
600:
596:
591:
587:
585:
581:
577:
573:
568:
565:
563:
559:
555:
550:
548:
543:
541:
537:
532:
529:
525:
523:
519:
509:
507:
503:
498:
496:
491:
489:
485:
481:
476:
474:
469:
467:
463:
458:
456:
452:
448:
433:
431:
427:
423:
415:
412:
409:
406:
405:
404:
401:
399:
395:
391:
387:
383:
379:
375:
371:
363:
354:
348:
344:
340:
334:
330:
326:
318:
315:
310:
306:
302:
294:
291:
286:
282:
278:
270:
267:
262:
258:
254:
246:
243:
238:
234:
230:
222:
218:
215:
209:
204:
201:
197:
192:
188:
182:
179:
175:
167:
163:
155:
151:
146:Mark C. Birk
142:
138:
134:
128:
122:
118:
115:
111:
97:
93:
90:
87:
83:
76:
73:
71:
67:
64:
63:
61:
58:
53:
50:
47:
43:
39:
34:
19:
1708:. Retrieved
1704:
1694:
1683:. Retrieved
1679:
1669:
1658:. Retrieved
1654:
1644:
1633:. Retrieved
1629:
1619:
1611:the original
1606:
1597:
1585:. Retrieved
1581:the original
1576:
1566:
1554:. Retrieved
1548:
1538:
1526:. Retrieved
1522:the original
1517:
1507:
1495:. Retrieved
1490:
1480:
1469:. Retrieved
1466:stltoday.com
1465:
1455:
1444:. Retrieved
1441:STLtoday.com
1440:
1430:
1422:the original
1411:
1400:
1389:
1378:. Retrieved
1368:
1357:. Retrieved
1347:
1336:. Retrieved
1332:
1323:
1312:. Retrieved
1305:the original
1300:
1288:
1276:. Retrieved
1272:the original
1261:
1250:. Retrieved
1246:the original
1236:
1224:. Retrieved
1214:
1195:
1186:
1174:. Retrieved
1164:
1150:
1138:. Retrieved
1111:
1099:. Retrieved
1089:
1077:. Retrieved
1036:
1009:
998:. Retrieved
994:
985:
973:. Retrieved
969:
957:
945:. Retrieved
941:
913:. Retrieved
908:
868:
854:
842:
831:
815:
805:carcinogenic
801:gasification
794:
777:
764:
758:
754:
728:
694:
662:
659:Service area
654:
642:
635:
631:
624:
621:
616:
610:), in which
594:
592:
588:
583:
575:
569:
566:
561:
557:
553:
551:
546:
544:
535:
533:
530:
526:
521:
515:
499:
492:
487:
479:
477:
470:
459:
450:
444:
419:
402:
392:for several
369:
368:
328:
314:Total equity
304:
290:Total assets
280:
256:
232:
145:
113:Headquarters
45:Company type
1746:SEC filings
845:Sierra Club
843:In 2023, a
822:Bagnell Dam
584:AmerenCILCO
518:S&P 500
462:interurbans
447:Bagnell Dam
426:Osage River
422:Bagnell Dam
214:Natural Gas
203:Electricity
75:S&P 500
1780:Categories
1710:2024-04-21
1685:2024-04-21
1660:2023-05-25
1635:2024-04-21
1471:2018-11-21
1446:2024-09-24
1380:2021-09-20
1359:2021-09-20
1338:2017-04-07
1314:2024-09-23
1252:2013-09-15
1000:2020-06-10
995:Ameren.com
860:References
547:AmerenCIPS
266:Net income
125:Key people
1760:Taum Sauk
1039:. Ameren.
915:28 August
701:BlackRock
691:Ownership
673:St. Louis
540:St. Louis
208:megawatts
191:President
178:President
166:President
154:President
137:President
89:Utilities
77:component
57:Traded as
1587:July 22,
1556:July 22,
1528:July 22,
1497:June 14,
1376:. Ameren
1355:. Ameren
1278:June 14,
1203:Archived
876:Archived
685:Illinois
669:Missouri
665:Illinois
617:AmerenIP
536:AmerenUE
206:(16,900
199:Products
187:Chairman
174:Chairman
162:Chairman
150:Chairman
133:Chairman
85:Industry
606::
597:, from
578:, from
441:Origins
436:History
424:on the
346:Website
220:Revenue
103: (
95:Founded
68::
1751:Yahoo!
1741:Google
1301:Ameren
1226:Jan 5,
1176:Jan 5,
1140:Jan 5,
1101:Jan 5,
1079:Jan 5,
975:Jan 5,
947:Jan 5,
909:Ameren
599:Dynegy
572:Peoria
560:, and
351:ameren
189:&
176:&
164:&
152:&
139:&
119:, U.S.
1308:(PDF)
1297:(PDF)
1073:(PDF)
966:(PDF)
905:(PDF)
18:CILCO
1589:2019
1558:2019
1530:2019
1499:2014
1280:2013
1228:2013
1178:2013
1142:2013
1103:2013
1081:2013
977:2013
949:2013
917:2021
739:FERC
675:and
604:NYSE
396:and
353:.com
325:US$
301:US$
277:US$
253:US$
229:US$
212:and
105:1997
98:1997
66:NYSE
849:EPA
608:DYN
376:'s
70:AEE
1782::
1703:.
1678:.
1653:.
1628:.
1605:.
1575:.
1547:.
1516:.
1489:.
1464:.
1439:.
1331:.
1299:.
1125:^
1061:^
1045:^
1021:^
993:.
968:.
940:.
925:^
907:.
887:^
703:,
699:,
640:.
586:.
564:.
549:.
508:.
497:.
490:.
135:,
1713:.
1688:.
1663:.
1638:.
1591:.
1560:.
1532:.
1501:.
1474:.
1449:.
1383:.
1362:.
1341:.
1317:.
1282:.
1255:.
1230:.
1180:.
1158:.
1144:.
1119:.
1105:.
1083:.
1003:.
979:.
951:.
919:.
331:)
307:)
283:)
259:)
235:)
210:)
193:)
180:)
168:)
156:)
143:)
131:(
107:)
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
