<SEC-DOCUMENT>0001104659-18-042915-index.html : 20180628
<SEC-HEADER>0001104659-18-042915.hdr.sgml : 20180628
<ACCEPTANCE-DATETIME>20180628172334
ACCESSION NUMBER:		0001104659-18-042915
CONFORMED SUBMISSION TYPE:	SUPPL
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20180628
DATE AS OF CHANGE:		20180628
EFFECTIVENESS DATE:		20180628

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:		SUPPL
		SEC ACT:		
		SEC FILE NUMBER:	333-225941
		FILM NUMBER:		18926411

	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>SUPPL
<SEQUENCE>1
<FILENAME>a18-15517_4suppl.htm
<DESCRIPTION>SUPPL
<TEXT>
Document 1 - file: a18-15517_4suppl.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g155174hoi001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g155174hoi001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g155171bgi001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g155171bgi001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g155171bei001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g155171bei001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g155174bei001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g155174bei001.jpg
</DOCUMENT> </SEC-DOCUMENT>