Holding(s) in Company

Zenergy Power PLC
17 December 2007

                       Zenergy Power plc ('the Company')

                              Notifiable Interest



A form TR-1 containing the following information has been received by the
Company.

TR-1 notification of major interests in shares

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

Zenergy Power plc

2. Reason for the notification

An acquisition or disposal of voting rights

3. Full name of person(s) subject to the notification obligation:

Prudential plc group of companies

4. Full name of shareholder(s) (if different from 3):

Percentage holdings are calculated using an issued share capital of 43,947,812
ORD GBP 0.01 shares
                               Registered Holder             Holding              %
Prudential plc                                        5,650,000             12.86
                           Nortrust Nominee LTD A/C   4,578,571
                           MKK01
                           PRUCLT HSBC GIS NOM(UK)    1,071,429
                           PPL AC
M&G Group Limited                                     5,650,000             12.86
                           Nortrust Nominee LTD A/C   4,578,571
                           MKK01
                           PRUCLT HSBC GIS NOM(UK)    1,071,429
                           PPL AC
M&G Investment Management                             5,650,000             12.86
Limited
                           Nortrust Nominee LTD A/C   4,578,571
                           MKK01
                           PRUCLT HSBC GIS NOM(UK)    1,071,429
                           PPL AC
M&G Limited                                           5,650,000             12.86
                           Nortrust Nominee LTD A/C   4,578,571
                           MKK01
                           PRUCLT HSBC GIS NOM(UK)    1,071,429
                           PPL AC
M&G Securities Limited                                4,578,571             10.42
                           Nortrust Nominee LTD A/C   4,578,571
                           MKK01

5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

12 December 2007

6. Date on which issuer notified:

14 December 2007

7. Threshold(s) that is/are crossed or reached:

12%

8. Notified details:

A: Voting rights attached to shares
Class/type of      Situation previous to Resulting situation after the triggering transaction
shares             Triggering
                   transaction           Notification required under DTR transitional provision 7
if possible using
ISIN CODE
                   Number of  Number of  Number of    Number of voting rights % of voting rights
                   Shares     Voting     shares
                              Rights

                                         Direct       Direct     Indirect     Direct     Indirect


GB00B19HBR28       4,225,000  4,225,000  5,650,000    5,650,000  N/A          12.86%     N/A

B: Financial Instruments
Resulting situation after the triggering transaction


Type of financial Expiration date     Exercise/           Number of voting       % of voting rights
instrument                            Conversion Period/  rights that may be
                                      Date                acquired if the
                                                          instrument is
                                                          exercised/ converted


N/A               N/A                 N/A                 N/A                    N/A

Total (A+B)
Number of voting rights                              % of voting rights


5,650,000                                            12.86%



9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:

Prudential plc (parent Company)

M&G Group Limited (wholly owned subsidiary of Prudential plc)

M&G Limited (wholly owned subsidiary of M&G Group Limited)

M&G Investment Management Limited (wholly owned subsidiary of M&G Limited)

M&G Securities Limited (wholly owned subsidiary of M&G Limited)

10. Name of the Proxy holder:

N/A

11. Number of voting rights proxy holder will cease to hold:

N/A

12. Date on which proxy holder will cease to hold voting rights:

N/A

13. Additional information:

N/A




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