<SEC-DOCUMENT>0001104659-20-114908-index.html : 20201014
<SEC-HEADER>0001104659-20-114908.hdr.sgml : 20201014
<ACCEPTANCE-DATETIME>20201014161843
ACCESSION NUMBER:		0001104659-20-114908
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		23
FILED AS OF DATE:		20201014
DATE AS OF CHANGE:		20201014
EFFECTIVENESS DATE:		20201014

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMEREN CORP
		CENTRAL INDEX KEY:			0001002910
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				431723446
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-249475
		FILM NUMBER:		201239245

	BUSINESS ADDRESS:	
		STREET 1:		1901 CHOUTEAU AVE
		STREET 2:		MC 1310
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63166-6149
		BUSINESS PHONE:		314-621-3222

	MAIL ADDRESS:	
		STREET 1:		1901 CHOUTEAU AVE
		STREET 2:		MC 1310
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63103

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNION ELECTRIC CO
		CENTRAL INDEX KEY:			0000100826
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				430559760
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-249475-01
		FILM NUMBER:		201239243

	BUSINESS ADDRESS:	
		STREET 1:		1901 CHOUTEAU AVENUE
		STREET 2:		MC 1310
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63166
		BUSINESS PHONE:		314-621-3222

	MAIL ADDRESS:	
		STREET 1:		1901 CHOUTEAU AVENUE
		STREET 2:		MC 1310
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63166

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ameren Illinois Co
		CENTRAL INDEX KEY:			0000018654
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				370211380
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-249475-02
		FILM NUMBER:		201239244

	BUSINESS ADDRESS:	
		STREET 1:		10 EXECUTIVE DRIVE
		CITY:			COLLINSVILLE
		STATE:			IL
		ZIP:			62234
		BUSINESS PHONE:		618-343-8150

	MAIL ADDRESS:	
		STREET 1:		10 EXECUTIVE DRIVE
		CITY:			COLLINSVILLE
		STATE:			IL
		ZIP:			62234

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CENTRAL ILLINOIS PUBLIC SERVICE CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>tm2032872-1_s3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: tm2032872-1_s3asr.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>2 <FILENAME>tm2032872d2_ex5-1.htm <DESCRIPTION>EXHIBIT 5.1 <TEXT> Document 2 - file: tm2032872d2_ex5-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.2 <SEQUENCE>3 <FILENAME>tm2032872d2_ex5-2.htm <DESCRIPTION>EXHIBIT 5.2 <TEXT> Document 3 - file: tm2032872d2_ex5-2.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.3 <SEQUENCE>4 <FILENAME>tm2032872d2_ex5-3.htm <DESCRIPTION>EXHIBIT 5.3 <TEXT> Document 4 - file: tm2032872d2_ex5-3.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.4 <SEQUENCE>5 <FILENAME>tm2032872d2_ex23-4.htm <DESCRIPTION>EXHIBIT 23.4 <TEXT> Document 5 - file: tm2032872d2_ex23-4.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.5 <SEQUENCE>6 <FILENAME>tm2032872d2_ex23-5.htm <DESCRIPTION>EXHIBIT 23.5 <TEXT> Document 6 - file: tm2032872d2_ex23-5.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.6 <SEQUENCE>7 <FILENAME>tm2032872d2_ex23-6.htm <DESCRIPTION>EXHIBIT 23.6 <TEXT> Document 7 - file: tm2032872d2_ex23-6.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-24.1 <SEQUENCE>8 <FILENAME>tm2032872d2_ex24-1.htm <DESCRIPTION>EXHIBIT 24.1 <TEXT> Document 8 - file: tm2032872d2_ex24-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-25.1 <SEQUENCE>9 <FILENAME>tm2032872d2_ex25-1.htm <DESCRIPTION>EXHIBIT 25.1 <TEXT> Document 9 - file: tm2032872d2_ex25-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-25.4 <SEQUENCE>10 <FILENAME>tm2032872d2_ex25-4.htm <DESCRIPTION>EXHIBIT 25.4 <TEXT> Document 10 - file: tm2032872d2_ex25-4.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-25.5 <SEQUENCE>11 <FILENAME>tm2032872d2_ex25-5.htm <DESCRIPTION>EXHIBIT 25.5 <TEXT> Document 11 - file: tm2032872d2_ex25-5.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-25.7 <SEQUENCE>12 <FILENAME>tm2032872d2_ex25-7.htm <DESCRIPTION>EXHIBIT 25.7 <TEXT> Document 12 - file: tm2032872d2_ex25-7.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-25.8 <SEQUENCE>13 <FILENAME>tm2032872d2_ex25-8.htm <DESCRIPTION>EXHIBIT 25.8 <TEXT> Document 13 - file: tm2032872d2_ex25-8.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>lg_ameren-4c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: lg_ameren-4c.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>lg_amerenillinois-4c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: lg_amerenillinois-4c.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>lg_amerenmissouri-4c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: lg_amerenmissouri-4c.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>tm2032872d1_ex5-1img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: tm2032872d1_ex5-1img001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>tm2032872d1_ex5-2img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: tm2032872d1_ex5-2img001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>tm2032872d1_ex5-2img002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: tm2032872d1_ex5-2img002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>tm2032872d2_ex25-5img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: tm2032872d2_ex25-5img001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>tm2032872d2_ex5-1img002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: tm2032872d2_ex5-1img002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>tm2032872d2_ex5-3img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: tm2032872d2_ex5-3img001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>tm2032872d2_ex5-3img002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: tm2032872d2_ex5-3img002.jpg
</DOCUMENT> </SEC-DOCUMENT>