<SEC-DOCUMENT>0001086364-15-001360-index.html : 20150130
<SEC-HEADER>0001086364-15-001360.hdr.sgml : 20150130
<ACCEPTANCE-DATETIME>20150130112111
ACCESSION NUMBER:		0001086364-15-001360
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150130
DATE AS OF CHANGE:		20150130

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATIONAL GRID PLC
		CENTRAL INDEX KEY:			0001004315
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION [4922]
		IRS NUMBER:				980367158
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-80627
		FILM NUMBER:		15561507

	BUSINESS ADDRESS:	
		STREET 1:		1-3 STRAND
		CITY:			LONDON
		STATE:			X0
		ZIP:			WC2N 5EH
		BUSINESS PHONE:		(44) 207 004 3220

	MAIL ADDRESS:	
		STREET 1:		1-3 STRAND
		CITY:			LONDON
		STATE:			X0
		ZIP:			WC2N 5EH

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL GRID TRANSCO PLC
		DATE OF NAME CHANGE:	20021121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL GRID GROUP PLC
		DATE OF NAME CHANGE:	19991007

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL GRID HOLDING PLC
		DATE OF NAME CHANGE:	19991007

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Inc.
		CENTRAL INDEX KEY:			0001364742
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				320174431
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0226

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055
		BUSINESS PHONE:		212-810-5300

	MAIL ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock, Inc.
		DATE OF NAME CHANGE:	20060929

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	New BlackRock, Inc.
		DATE OF NAME CHANGE:	20060601
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>national.grid.plc.txt
<TEXT>
Document 1 - file: national.grid.plc.txt

</DOCUMENT>
</SEC-DOCUMENT>