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 19, 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. 01 RNS Announcement, re: Section 198 Notice dated 19 January 2005 19 January 2005 British Energy Group plc NOTIFICATIONS UNDER SECTIONS 198 TO 202 - UK COMPANIES ACT British Energy Group plc has received notification from Fidelity Investments of the following: 1. Company in which shares are held: British Energy Group plc 2. Notifiable interest: Ordinary Shares Fidelity International Limited (FIL) P.O. Box HM 670 Hamilton HMCX, Bermuda Parent holding company for various direct and indirect subsidiaries, including Fidelity Investment Services Ltd. (FISL) and Fidelity Pension Management (FPM), investment managers for various non-US investment companies and institutional clients. (See Schedule A for listing of Registered Shareholders and their holdings.) 3. The notifiable interests also comprise the notifiable interest of: Mr. Edward C. Johnson 3d 82 Devonshire Street Boston, MA 02109 A principal shareholder of Fidelity International Limited. 4. The notifiable interests include interest held on behalf of authorised unit trust schemes in the UK, notwithstanding the exemption from reporting pursuant to Section 209 (1)(h) of the Companies Act 1985. 5. These notifications of disclosable interests constitute separate notifications of interest in the shares and are combined solely for the purposes of clarity and efficiency. Nothing herein should be taken to indicate that Fidelity International Limited and its direct and indirect subsidiaries or Mr Edward C Johnson 3d act as a group or in concert in respect ofthe disclosed interests, or that they are required to submit these notifications on a joint basis. 6. The disclosable interests arise under section 208 (4) (b) of the Act, namely where a person, not being the registered holder, is entitled to exercise a right conferred by the holding of the shares or to control the exercise of such rights, or under section 203 of the Act respectively. Schedule A Security: British Energy Group plc SHARES MANAGEMENT NOMINEE/REGISTERED NAME HELD COMPANY 756,060 FII JP MORGAN, BOURNEMOUTH Total 4,772,719 FIL BROWN BROS HARRIMN LTD LUX Total 15,257,113 FISL JP MORGAN, BOURNEMOUTH Total 21,040 FPM NORTHERN TRUST LONDON Total 17,533 FPM STATE STR BK AND TR CO LNDN (S Total 20,824,465 Grand Total Ordinary Shares Current ownership percentage: 3.71% Shares in Issue: 561,017,000 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 19, 2005 BRITISH ENERGY GROUP PLC By:____John Searles____ Name: John Searles Title: Director - Investor Relations