National Grid PLC — Annual Report 2007

Jun 27, 2007

11-K 1 thrift-ii.htm

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 11-K

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For the fiscal year ended December 31, 2006

OR

o
For the transition period from _ to _

Commission File Number 1-14958

National Grid USA Companies’

Incentive Thrift Plan II

National Grid USA

25 Research Drive

Westborough, MA 01582

National Grid plc

1-3 Strand

London WC2N 5EH

England

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REQUIRED INFORMATION

The financial statements required by Form 11-K are filed as exhibits and incorporated herein by reference.

EXHIBITS

99.1	Financial statements of National Grid USA Companies’ Incentive Thrift Plan II
99.2	Consent of PricewaterhouseCoopers LLP, independent registered public accounting firm

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the National Grid USA Service Company, Inc. Benefits Committee (the Plan Administrator for the National Grid USA Companies’ Incentive Thrift Plan II) has duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: June 27, 2007	NATIONAL GRID USA COMPANIES’ INCENTIVE THRIFT PLAN II — By	/s/ Robert H. McLaren Robert H. McLaren Chairman National Grid USA Service Company, Inc. Benefits Committee

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