<SEC-DOCUMENT>0001104659-25-028054-index.html : 20250326
<SEC-HEADER>0001104659-25-028054.hdr.sgml : 20250326
<ACCEPTANCE-DATETIME>20250326085340
ACCESSION NUMBER:		0001104659-25-028054
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20250326
DATE AS OF CHANGE:		20250326

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNION ELECTRIC CO
		CENTRAL INDEX KEY:			0000100826
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				430559760
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-274977-02
		FILM NUMBER:		25770317

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>tm2510188-1_424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: tm2510188-1_424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>lg_amerenmissouri-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: lg_amerenmissouri-4c.jpg

</DOCUMENT>
</SEC-DOCUMENT>