Holding(s) in Company

RNS Number:6929T
International Energy Group Ld
29 December 2003

                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     INTERNATIONAL ENERGY GROUP LD


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     ECOFIN WATER & POWER OPPORTUNITIES PLC


3)   Please state whether notification indicates that it is in respect of 
     holding of the Shareholder named in 2 above or in respect of a 
     non-beneficial interest or in the case of an individual holder if it is a
     holding of that person's spouse or children under the age of 18

     SEE 2 ABOVE


4)   Name of the registered holder(s) and, if more than one holder, the 
     number of shares held by each of them.

     ECOFIN WATER & POWER OPPORTUNITIES PLC


5)   Number of shares/amount of stock acquired.

     165,000


6)   Percentage of issued Class

     0.22%

7)   Number of shares/amount of stock disposed

     -

8)   Percentage of issued Class

     -

9)   Class of security

     ORDINARY SHARES OF 10P EACH


10)  Date of transaction

     -


11)  Date company informed

     24 DECEMBER 2003


12)  Total holding following this notification

     4,840,000

               
13)  Total percentage holding of issued class following this notification

     6.58%


14)  Any additional information




15)  Name of contact and telephone number for queries

     DAWN MORGAN
     COMPANY SECRETARY
     [phone]


16)  Name and signature of authorised company official responsible for 
     making this notification


     Date of Notification   29 DECEMBER 2003


                      This information is provided by RNS
            The company news service from the London Stock Exchange

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