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    PUBLIC DOCUMENT COUNT:		19
    FILED AS OF DATE:		20200305
    DATE AS OF CHANGE:		20200304
    EFFECTIVENESS DATE:		20200305

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

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    <DESCRIPTION>EXHIBIT 4.1
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    Document 2 - file: eh2000423_ex0401.htm

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    <DESCRIPTION>EXHIBIT 4.2
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    Document 3 - file: eh2000423_ex0402.htm

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    <TYPE>EX-4.3
    <SEQUENCE>4
    <FILENAME>eh2000423_ex0403.htm
    <DESCRIPTION>EXHIBIT 4.3
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    Document 4 - file: eh2000423_ex0403.htm

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    <DESCRIPTION>EXHIBIT 4.4
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    Document 5 - file: eh2000423_ex0404.htm

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    Document 6 - file: eh2000423_ex0405.htm

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    Document 12 - file: ex0402_2.jpg

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    Document 13 - file: ex0403_1.jpg

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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: ex0403_2.jpg

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    Document 15 - file: ex0404_1.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 17 - file: ex0405_1.jpg

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    <DESCRIPTION>GRAPHIC
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