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 April 18, 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 18 April 2005 18 April 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, that they no longer hold a notifiable interest in the ordinary shares of the Company in accordance with Section 198 of the Companies Act 1985. 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: April 18, 2005 BRITISH ENERGY GROUP PLC By:____John Searles____ Name: John Searles Title: Director - Investor Relations