<SEC-DOCUMENT>0001137171-15-000158-index.html : 20150730
<SEC-HEADER>0001137171-15-000158.hdr.sgml : 20150730
<ACCEPTANCE-DATETIME>20150729181009
ACCESSION NUMBER:		0001137171-15-000158
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20150630
FILED AS OF DATE:		20150730
DATE AS OF CHANGE:		20150729

FILER:

	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:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15214
		FILM NUMBER:		151013899

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>transalta6k07292015.htm
<DESCRIPTION>TRANSALTA CORPORATION - 6-K
<TEXT>
Document 1 - file: transalta6k07292015.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-13.1
<SEQUENCE>2
<FILENAME>transalta_ex131.htm
<DESCRIPTION>CONSOLIDATED COMPARATIVE INTERIM UNAUDITED FINANCIAL STATEMENTS OF THE REGISTRANT FOR THE SIX MONTH PERIOD ENDED JUNE 30, 2015
<TEXT>
Document 2 - file: transalta_ex131.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-13.2
<SEQUENCE>3
<FILENAME>transalta_ex132.htm
<DESCRIPTION>MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS OF THE REGISTRANT AS AT AND FOR THE PERIOD ENDED JUNE 30, 2015.
<TEXT>
Document 3 - file: transalta_ex132.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>4
<FILENAME>transalta_ex311.htm
<DESCRIPTION>CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002.
<TEXT>
Document 4 - file: transalta_ex311.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>5
<FILENAME>transalta_ex312.htm
<DESCRIPTION>CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002.
<TEXT>
Document 5 - file: transalta_ex312.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>6
<FILENAME>transalta_ex321.htm
<DESCRIPTION>CERTIFICATION OF CHIEF EXECUTIVE OFFICER REGARDING PERIODIC REPORT CONTAINING FINANCIAL STATEMENTS.
<TEXT>
Document 6 - file: transalta_ex321.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>7
<FILENAME>transalta_ex322.htm
<DESCRIPTION>CERTIFICATION OF CHIEF FINANCIAL OFFICER REGARDING PERIODIC REPORT CONTAINING FINANCIAL STATEMENTS.
<TEXT>
Document 7 - file: transalta_ex322.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>8
<FILENAME>transalta_ex991.htm
<DESCRIPTION>PRESS RELEASE DATED JULY 29, 2015.
<TEXT>
Document 8 - file: transalta_ex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>ex_132001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: ex_132001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>ex_132002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: ex_132002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>ex_132003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: ex_132003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: img001.jpg

</DOCUMENT>
</SEC-DOCUMENT>