    <SEC-DOCUMENT>0001104659-23-037754-index.html : 20230328
    <SEC-HEADER>0001104659-23-037754.hdr.sgml : 20230328
    <ACCEPTANCE-DATETIME>20230328164300
    ACCESSION NUMBER:		0001104659-23-037754
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20221231
    FILED AS OF DATE:		20230328
    DATE AS OF CHANGE:		20230328
    EFFECTIVENESS DATE:		20230328

    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:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-14756
    		FILM NUMBER:		23770164

    	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>ARS
    <SEQUENCE>1
    <FILENAME>tm234442d2_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: tm234442d2_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>