<SEC-DOCUMENT>0001232384-17-000055-index.html : 20170504
<SEC-HEADER>0001232384-17-000055.hdr.sgml : 20170504
<ACCEPTANCE-DATETIME>20170504102703
ACCESSION NUMBER:		0001232384-17-000055
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20170504
FILED AS OF DATE:		20170504
DATE AS OF CHANGE:		20170504

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRANSCANADA CORP
		CENTRAL INDEX KEY:			0001232384
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION [4922]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31690
		FILM NUMBER:		17812304

	BUSINESS ADDRESS:	
		STREET 1:		450 - 1ST STREET S.W.
		CITY:			CALGARY ALBERTA
		STATE:			A0
		ZIP:			T2P 5H1
		BUSINESS PHONE:		4039202000

	MAIL ADDRESS:	
		STREET 1:		450 - 1ST STREET S.W.
		CITY:			CALGARY ALBERTA
		STATE:			A0
		ZIP:			T2P 5H1
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>form6ksaleofintereststotcl.htm
<DESCRIPTION>TCC FORM 6-K DATED MAY 4, 2017
<TEXT>
Document 1 - file: form6ksaleofintereststotcl.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>exhibit991saleofinterestst.htm
<DESCRIPTION>TCC NEWS RELEASE DATED MAY 4, 2017
<TEXT>
Document 2 - file: exhibit991saleofinterestst.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tccbwlogoa20.jpg
<TEXT>
Document 3 - file: tccbwlogoa20.jpg

</DOCUMENT>
</SEC-DOCUMENT>