<SEC-DOCUMENT>0001172661-18-000269-index.html : 20180205
<SEC-HEADER>0001172661-18-000269.hdr.sgml : 20180205
<ACCEPTANCE-DATETIME>20180205164604
ACCESSION NUMBER:		0001172661-18-000269
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180205
DATE AS OF CHANGE:		20180205

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRANSALTA CORP
		CENTRAL INDEX KEY:			0001144800
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-79749
		FILM NUMBER:		18574824

	BUSINESS ADDRESS:	
		STREET 1:		110 12TH AVE SW BOX 1900 STATION M
		STREET 2:		CALGARY ALBERTA T2P 2MI
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P2M1
		BUSINESS PHONE:		403-267-4724

	MAIL ADDRESS:	
		STREET 1:		110-12TH AVENUE SW
		CITY:			CALGARY ALBERTA CANADA
		STATE:			A0
		ZIP:			T2P2M1

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CIBC Asset Management Inc
		CENTRAL INDEX KEY:			0001021926
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A6

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		18 YORK STREET
		STREET 2:		SUITE 1300
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2T8
		BUSINESS PHONE:		1-888-888-3863

	MAIL ADDRESS:	
		STREET 1:		18 YORK STREET
		STREET 2:		SUITE 1300
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2T8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CIBC Global Asset Management Inc
		DATE OF NAME CHANGE:	20070511

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TAL GLOBAL ASSET MANAGEMENT INC
		DATE OF NAME CHANGE:	19990803

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TAL INVESTMENT COUNSEL LTD
		DATE OF NAME CHANGE:	19980206
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tac123117a3.htm
<DESCRIPTION>13G/A
<TEXT>
Document 1 - file: tac123117a3.htm

</DOCUMENT>
</SEC-DOCUMENT>