GREAT BRITAIN SEVEN YEAR STATEMENT

May 2007

National Grid

This Statement, dated 31 May 2007, is produced by National Grid Electricity Transmission plc (“NGET”) acting in its role as Great Britain System Operator (GBSO). It is produced pursuant to the System Operator Standard License Condition C11 ("Production of information about the GB transmission system") of the licence to participate in the transmission of electricity granted to NGET pursuant to Section 6 (1) (b) of the Electricity Act 1989 (as amended by the Utilities Act 2000 and the Energy Act 2004). National Grid Electricity Transmission plc is a member of the National Grid plc (“National Grid”) group of companies (the “Group”).

The form of this Statement has been approved by the Authority in accordance with Standard Condition C11 of the Transmission Licence.

The Statement and this web site ("the Site") must be used in accordance with the following Terms and Conditions is governed by the law of and subject to the jurisdiction of England and Wales and of Scotland:

The information used to compile this Statement is based on data and maps provided by the two Scottish transmission licensees, Scottish Power Transmission Ltd (“SPT”) and Scottish Hydro-Electric Transmission Ltd (“SHETL”), and data from users of the England and Wales transmission system on their expectations of future generation and demand, together with NGET’s, SPT’s and SHETL’s own forecasts of the future development of the GB transmission system. The Statement should not be regarded as an indicator of the performance and prospects of National Grid or any other party.

Whilst reasonable care has been taken in the preparation of this Statement, no representation, express or implied, is made as to the accuracy or completeness of such information. National Grid Electricity Transmission plc and members of the National Grid group of companies (the "Group") do not accept any liability for the accuracy of the information contained herein and, in particular neither National Grid nor the Group, nor directors nor employees of National Grid nor the Group shall be under any liability for any error or misstatement or opinion on which the recipient of this Statement relies or seeks to rely other than fraudulent statements or fraudulent misrepresentation.

Scottish Transmission Companies

The information contained within this document, relating to Scotland, has been provided by the two Scottish transmission licensees, Scottish Power Transmission Ltd (SPT) and Scottish Hydro-Electric Transmission Ltd (SHETL). Whilst all reasonable care has been taken in the preparation and consolidation of this data, SPT and SHETL do not accept any liability for the accuracy of the information contained herein and, in particular, neither SPT nor SHETL, nor directors or employees of SPT and SHETL shall be under any liability for any error or misstatement or opinion on which the recipient of this Statement relies or seeks to rely other than fraudulent statements or fraudulent misrepresentation. The Statement should not be regarded as an indicator of the performance and prospects of SPT, SHETL or any other party.

Copyright

Any and all copyright and all other intellectual property rights contained in the Statement and in any other Site content (including PDF documentation) belong or have been licensed to National Grid. If you modify or adapt the Statement, the Site content or any such documentation, you acknowledge and accept full responsibility for the accuracy of the modified or adapted Statement, Site content and/or documentation. To the extent that you re-use the Statement, any Site content or documentation in its original form and without making any modifications or adaptations thereto, you must reproduce, clearly and prominently, the following copyright statement in your own documentation:

© 2007 National Grid plc, all rights reserved.

The trade marks, logos and service marks displayed on the document and on the Site are owned and registered (where applicable) by National Grid or another member of the Group or by Scottish Power Transmission Ltd or Scottish Hydro-Electric Transmission Ltd. No rights or licence are granted or may be implied by their display on the Site.