Exhibit 99.2
                NOTICE OF GUARANTEED DELIVERY FOR TENDER OF 8.23%
                     SUBORDINATED CAPITAL INCOME SECURITIES
                (LIQUIDATION AMOUNT $1,000 PER CAPITAL SECURITY)
                                       OF
                     SOUTHERN INVESTMENTS UK CAPITAL TRUST I
                     FULLY AND UNCONDITIONALLY GUARANTEED BY
                           SOUTHERN INVESTMENTS UK plc

         This Notice of Guaranteed Delivery, or one substantially equivalent to
this form, must be used to accept the Exchange Offer (as defined below) if (i)
certificates for the Trust's (as defined below) 8.23% Subordinated Capital
Income Securities (the "Original Capital Securities") are not immediately
available, (ii) Original Capital Securities, the Letter of Transmittal and all
other required documents cannot be delivered to Bankers Trust Company (the
"Exchange Agent") on or prior to the Expiration Date (as defined in the
Prospectus referred to below) or (iii) the procedures for delivery by book-entry
transfer cannot be completed on a timely basis. This Notice of Guaranteed
Delivery may be delivered by hand, overnight courier or mail, or transmitted by
facsimile transmission, to the Exchange Agent. See "The Exchange Offer --
Procedures for Tendering Original Capital Securities" in the Prospectus.

                  THE EXCHANGE AGENT FOR THE EXCHANGE OFFER IS:

                              BANKERS TRUST COMPANY

                        BY MAIL/OVERNIGHT DELIVERY/HAND:

                               FOUR ALBANY STREET
                                    4TH FLOOR
                            NEW YORK, NEW YORK 10006
                     ATTN: CORPORATE TRUST AND AGENCY GROUP
                         MANAGER PUBLIC UTILITIES GROUP

                   TO CONFIRM BY TELEPHONE OR FOR INFORMATION:

                                                  (212) 250-6826

                            FACSIMILE TRANSMISSIONS:
                          (ELIGIBLE INSTITUTIONS ONLY)

                                                  (212) 250-6725

DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS SET
FORTH ABOVE OR TRANSMISSION OF THIS NOTICE OF GUARANTEED DELIVERY VIA FACSIMILE
TO A NUMBER OTHER THAN AS SET FORTH ABOVE WILL NOT CONSTITUTE A VALID DELIVERY.

THIS NOTICE OF GUARANTEED DELIVERY IS NOT TO BE USED TO GUARANTEE SIGNATURES. IF
A SIGNATURE ON A LETTER OF TRANSMITTAL IS REQUIRED TO BE GUARANTEED BY AN
"ELIGIBLE INSTITUTION" UNDER THE INSTRUCTIONS THERETO, SUCH SIGNATURE GUARANTEE
MUST APPEAR IN THE APPLICABLE SPACE PROVIDED IN THE SIGNATURE BOX ON THE LETTER
OF TRANSMITTAL.

Ladies and Gentlemen:

         The undersigned hereby tenders to Southern Investments UK Capital Trust
I, a Delaware business trust (the "Trust"), upon the terms and subject to the
conditions set forth in the Prospectus dated June 25, 1997 (as the same may be
amended or supplemented from time to time, the "Prospectus"), and the related
Letter of Transmittal (which together constitute the "Exchange Offer"), receipt
of which is hereby acknowledged, the aggregate principal amount of Original
Capital Securities set forth below pursuant to the guaranteed delivery
procedures set forth in the Prospectus under the caption "The Exchange Offer --
Procedures for Tendering Original Capital Securities."

Name(s) of Registered Holder(s):
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Aggregate Principal Amount Tendered:
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Certificate No(s):
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Address(es):
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Area Code and Telephone Number(s):
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If Original Capital Securities will be tendered by book-entry transfer, provide
the following information:

Signature(s):
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DTC Account Number:
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Date:
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THE GUARANTEE ON THE REVERSE SIDE MUST BE COMPLETED

                                    GUARANTEE
                    (NOT TO BE USED FOR SIGNATURE GUARANTEE)

         The undersigned, a firm or other entity identified in Rule 17Ad-15
under the Securities Exchange Act of 1934, as amended, as an "eligible guarantor
institution," including (as such terms are defined therein): (i) a bank; (ii) a
broker, dealer, municipal securities broker, municipal securities dealer,
government securities broker, government securities dealer; (iii) a credit
union; (iv) a national securities exchange, registered securities association or
clearing agency; or (v) a savings association that is a participant in a
Securities Transfer Association recognized program (each of the foregoing being
referred to as an "Eligible Institution"), hereby guarantees to deliver to the
Exchange Agent, at its address set forth above, either the Original Capital
Securities tendered hereby in proper form for transfer, or confirmation of the
book-entry transfer of such Original Capital Securities to the Exchange Agent's
account at The Depositary Trust Company ("DTC"), pursuant to the procedures for
book-entry transfer set forth in the Prospectus, in either case together with
one or more properly completed and duly executed Letter(s) of Transmittal (or
facsimile thereof) and any other required documents within five business days
after the date of execution of this Notice of Guaranteed Delivery.

         The undersigned acknowledges that it must deliver the Letter(s) of
Transmittal and the Original Capital Securities tendered hereby to the Exchange
Agent within the time period set forth above and that failure to do so could
result in a financial loss to the undersigned.

Name of Firm:

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Authorized Signature:

- --------------------------------------------
Title:

- --------------------------------------------

Address:

- --------------------------------------------

- --------------------------------------------

Telephone Number:

- --------------------------------------------

Date:
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     NOTE:  DO  NOT  SEND  ORIGINAL  CAPITAL  SECURITIES  WITH  THIS  NOTICE  OF
GUARANTEED  DELIVERY.  ACTUAL SURRENDER OF ORIGINAL  CAPITAL  SECURITIES MUST BE
MADE PURSUANT TO, AND BE ACCOMPANIED BY, A PROPERLY  COMPLETED AND DULY EXECUTED
LETTER OF TRANSMITTAL AND ANY OTHER REQUIRED DOCUMENTS.