<SEC-DOCUMENT>0001232384-18-000049-index.html : 20180619
<SEC-HEADER>0001232384-18-000049.hdr.sgml : 20180619
<ACCEPTANCE-DATETIME>20180618174940
ACCESSION NUMBER:		0001232384-18-000049
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180619
DATE AS OF CHANGE:		20180618

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:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31690
		FILM NUMBER:		18905571

	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>11-K
<SEQUENCE>1
<FILENAME>trplocal1-2plan123117.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: trplocal1-2plan123117.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>exhibit231-consentofindepe.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
Document 2 - file: exhibit231-consentofindepe.htm

</DOCUMENT>
</SEC-DOCUMENT>