FORM 6-K

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                            Report of Foreign Issuer


                      Pursuant to Rule 13a-16 or 15d-16 of
                       the Securities Exchange Act of 1934


                                February 02, 2005


                            BRITISH ENERGY GROUP PLC
                               (Registrant's name)


                               3 Redwood Crescent
                                    Peel Park
                              East Kilbride G74 5PR
                                    Scotland
                    (Address of principal executive offices)

 
Indicate by check mark whether the registrant files or will file annual 
reports under cover Form 20-F or Form 40-F.

                          Form 20-F..X.. Form 40-F.....

Indicate by check mark whether the registrant by furnishing the information 
contained in this Form is also thereby furnishing the information to the 
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

                               Yes ..... No ..X..

If "Yes" is marked, indicate below the file number assigned to the registrant 
in connection with Rule 12g3-2(b): 



                                 Exhibit Index

The following document (bearing the exhibit number listed below) is furnished
herewith and is made a part of this Report pursuant to the General Instructions
for Form 6-K:

Exhibit       Description

No. 1         RNS Announcement, re: Section 198 Notice dated 02 February 2005



2 February 2005


                            British Energy Group plc


UK COMPANIES ACT 1985 - SECTIONS 198-203 - British Energy Group plc 
(the "Company")


The Company has received notice as follows:


 1. At close of business on 28 January 2005, Morgan Stanley Securities Limited 
    ("MSSL") acquired an interest in the shares that resulted in their holding a
    total of 22,658,864 shares, being approximately 4.04% of the issued share
    capital of the Company.


 2. Morgan Stanley Securities Limited have transferred 3,547,707 shares to a
    third party on terms which give them the right to require the return of an
    equivalent number of shares.  Accordingly, their interest in 3,547,707
    shares is pursuant to Section 208 (5) of the Act.


 3. MSSL is a member of the Morgan Stanley group of companies.  Those group
    companies which are direct or indirect holding companies of MSSL are, under
    the terms of section 203 of the Companies Act 1985, each interested by
    attribution in any shares in which MSSL is interested.


                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this report to be signed on its behalf by the 
undersigned, thereunto duly authorized.


Date:  February 02, 2005                   BRITISH ENERGY GROUP PLC

                                           By:____John Searles____

                                           Name:  John Searles
                                           Title: Director - Investor Relations