<SEC-DOCUMENT>0001002910-20-000149-index.html : 20201215
<SEC-HEADER>0001002910-20-000149.hdr.sgml : 20201215
<ACCEPTANCE-DATETIME>20201215172006
ACCESSION NUMBER:		0001002910-20-000149
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20201214
FILED AS OF DATE:		20201215
DATE AS OF CHANGE:		20201215

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mackay Leo S. Jr.
		CENTRAL INDEX KEY:			0001558398

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14756
		FILM NUMBER:		201390447

	MAIL ADDRESS:	
		STREET 1:		C/O COGNIZANT TECHNOLOGY SOLUTIONS CORP.
		STREET 2:		500 FRANK W. BURR BLVD.
		CITY:			TEANECK
		STATE:			NJ
		ZIP:			07666

ISSUER:		

	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

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_160807079261878.xml
<DESCRIPTION>FORM 3
<TEXT>
Document 1 - file: wf-form3_160807079261878.html

Document 1 - RAW XML: wf-form3_160807079261878.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>mackaysection16poa.htm
<DESCRIPTION>POWER OF ATTORNEY, EXHIBIT 24
<TEXT>
Document 2 - file: mackaysection16poa.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>mackaysection16poa001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: mackaysection16poa001.jpg

</DOCUMENT>
</SEC-DOCUMENT>