<SEC-DOCUMENT>0001104659-17-013979-index.html : 20170303
<SEC-HEADER>0001104659-17-013979.hdr.sgml : 20170303
<ACCEPTANCE-DATETIME>20170303145455
ACCESSION NUMBER:		0001104659-17-013979
CONFORMED SUBMISSION TYPE:	40-F
PUBLIC DOCUMENT COUNT:		25
CONFORMED PERIOD OF REPORT:	20161231
FILED AS OF DATE:		20170303
DATE AS OF CHANGE:		20170303

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:		40-F
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15214
		FILM NUMBER:		17663041

	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>40-F
<SEQUENCE>1
<FILENAME>a17-7040_140f.htm
<DESCRIPTION>40-F
<TEXT>
Document 1 - file: a17-7040_140f.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-13.1
<SEQUENCE>2
<FILENAME>a17-7040_1ex13d1.htm
<DESCRIPTION>EX-13.1
<TEXT>
Document 2 - file: a17-7040_1ex13d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-13.2
<SEQUENCE>3
<FILENAME>a17-7040_1ex13d2.htm
<DESCRIPTION>EX-13.2
<TEXT>
Document 3 - file: a17-7040_1ex13d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-13.3
<SEQUENCE>4
<FILENAME>a17-7040_1ex13d3.htm
<DESCRIPTION>EX-13.3
<TEXT>
Document 4 - file: a17-7040_1ex13d3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>a17-7040_1ex23d1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 5 - file: a17-7040_1ex23d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>6
<FILENAME>a17-7040_1ex31d1.htm
<DESCRIPTION>EX-31.1
<TEXT>
Document 6 - file: a17-7040_1ex31d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>7
<FILENAME>a17-7040_1ex31d2.htm
<DESCRIPTION>EX-31.2
<TEXT>
Document 7 - file: a17-7040_1ex31d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>8
<FILENAME>a17-7040_1ex32d1.htm
<DESCRIPTION>EX-32.1
<TEXT>
Document 8 - file: a17-7040_1ex32d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>9
<FILENAME>a17-7040_1ex32d2.htm
<DESCRIPTION>EX-32.2
<TEXT>
Document 9 - file: a17-7040_1ex32d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g70401kq01i001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g70401kq01i001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g70401kq01i002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g70401kq01i002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g70401kq01i003.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g70401kq01i003.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g70401ks11i001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g70401ks11i001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g70401ks11i002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g70401ks11i002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g70401ks11i003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g70401ks11i003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g70401ks11i004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g70401ks11i004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g70401lci001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g70401lci001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g70401ku01i001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g70401ku01i001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g70401ku01i002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g70401ku01i002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g70401ku01i003.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g70401ku01i003.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>g70401ku01i004.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: g70401ku01i004.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>g70401ku01i005.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: g70401ku01i005.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>g70401ku01i006.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: g70401ku01i006.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>g70401ku03i001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: g70401ku03i001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>g70401ku03i002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: g70401ku03i002.gif

</DOCUMENT>
</SEC-DOCUMENT>