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


                                January 20, 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 20 January, 2005


                                  

20 January 2005



                         British Energy Group plc


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



The Company has received notification from The Eureka (Euro) Fund Limited of PO
Box 30362 SMB, 3rd Floor, Harbour Centre, George Town, Grand Cayman, Cayman
Islands, as follows:


1.     The Eureka (Euro) Fund Limited has become interested in the following 
       shares of the Company:

       Number of Shares                                          Class of Share

       21,820,811                                                   ordinary

2.     The registered holders of the above shares are as follows:

       Registered Holder                     Number of Shares    Class of Share

       Morgan Stanley & Co Intl Ltd.         21,820,811             ordinary



 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:  January 20, 2005                    BRITISH ENERGY GROUP PLC

                                           By:____John Searles____

                                           Name:  John Searles
                                           Title: Director - Investor Relations