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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D. C. 20549

                                   FORM 10-K/A


 X   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
---  ACT OF 1934


       For the Fiscal Year Ended June 30, 2003

                                       OR

--- TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934

                           Commission File No. 1-6407

                             SOUTHERN UNION COMPANY
             (Exact name of registrant as specified in its charter)

            Delaware                                     75-0571592
        (State or other jurisdiction of               (I.R.S. Employer
        incorporation or organization)                Identification No.)

   One PEI Center, Second Floor                           18711
   Wilkes-Barre, Pennsylvania                          (Zip Code)
 (Address of principal executive offices)

       Registrant's telephone number, including area code: (570) 820-2400

           Securities Registered Pursuant to Section 12(b) of the Act:

Title of each class                    Name of each exchange on which registered
-------------------                    -----------------------------------------
Common Stock, par value $1 per share             New York Stock Exchange

        Securities Registered Pursuant to Section 12(g) of the Act: None

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days.
Yes   X      No
    -----        -----

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K.
           -----

Indicate by check mark whether the registrant is an Accelerated Filer
(as defined in Exchange Act Rule 12D-2).
Yes   X      No
    -----        -----

The aggregate market value of the voting stock held by non-affiliates of the
registrant on September 15, 2003 was $911,650,000. The number of shares of the
registrant's Common Stock outstanding on September 15, 2003 was 72,890,475.

                       DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant's Annual Report to Stockholders for the year ended
June 30, 2003, are incorporated by reference in Parts II and IV.

Portions of the registrant's proxy statement for its annual meeting of
stockholders to be held on November 4, 2003, are incorporated by reference into
Part III.

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<PAGE>





                                  EXHIBIT INDEX



Exhibit
   No.                                   Description
-------      -------------------------------------------------------------------




23.1         Consent of Independent Registered Public Accounting Firm, Parente
             Randolph PC, with respect to Southern Union Savings Plan.



23.2         Consent of Independent Registered Public Accounting Firm, Parente
             Randolph PC, with respect to Southern Union Company ProvEnergy
             Voluntary Investment Plan.


31.1         Certification of Chief Executive Officer pursuant to Rule 13a-14(a)
             or Rule 15d-14(a) promulgated under the Securities Exchange Act of
             1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act
             of 2002.


31.2         Certification of Chief Financial Officer pursuant to Rule 13a-14(a)
             or Rule 15d-14(a) promulgated under the Securities Exchange Act of
             1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act
             of 2002.


32.1         Certification of Chief Executive Officer pursuant to Rule 13a-14(b)
             or Rule 15d-14(b) promulgated under the Securities Exchange Act of
             1934 and Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C.
             Section 1350.


32.2         Certification of Chief Financial Officer pursuant to Rule
             13a-14(b) or Rule 15d-14(b) promulgated under the Securities
             Exchange Act of 1934 and Section 906 of the Sarbanes-Oxley Act of
             2002, 18 U.S.C. Section 1350.



99.1         Financial Statements and Supplemental Schedules required by Form
             11-K for the Southern Union Savings Plan for the fiscal year ended
             December 31, 2003, and Financial Statements and Supplemental
             Schedules required by Form 11-K for the Southern Union Company
             ProvEnergy Voluntary Investment Plan for the three-month period
             ended March 31, 2003*.











--------------------------------------------------------------------------------
*The financial statements and supplemental schedules of the Southern Union
 Savings Plan and Southern Union Company ProvEnergy Voluntary Investment Plan
 have been filed in paper.

<PAGE>

                                    SIGNATURE



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.





                                         SOUTHERN UNION COMPANY
                                  ---------------------------------
                                            (Registrant)







Date   June 28, 2004        By     DAVID J. KVAPIL
     --------------------         ---------------------------------
                                  David J. Kvapil
                                  Executive Vice President and Chief
                                  Financial Officer
                                  (Principal Accounting Officer)








<PAGE>



                                                                    Exhibit 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement on
Form S-8 (No. 33-37261) pertaining to the Southern Union Savings Plan of our
report dated June 25, 2004, with respect to the financial statements and
supplemental schedule of the Southern Union Savings Plan as of and for the year
ended December 31, 2003, which report appears in this Form 10-K/A of Southern
Union Company.





Parente Randolph, PC
Wilkes-Barre, Pennsylvania
June 25, 2004








<PAGE>





                                                                    Exhibit 23.2

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement on
Form S-8 (No. 333-47144) pertaining to the Southern Union Company ProvEnergy
Voluntary Investment Plan of our report dated January 13, 2004, with respect to
the financial statements of the Southern Union Company ProvEnergy Voluntary
Investment Plan as of and for the three-month period ended March 31, 2003, which
report appears in this Form 10-K/A of Southern Union Company.





Parente Randolph, PC
Wilkes-Barre, Pennsylvania
June 28, 2004













<PAGE>





                                                                    Exhibit 31.1
                                 CERTIFICATIONS

I, George L. Lindemann, certify that:

(1)        I have reviewed this amended annual report on Form 10-K/A of Southern
           Union Company;

(2)        Based on my knowledge, this report does not contain any untrue
           statement of a material fact or omit to state a material fact
           necessary to make the statements made, in light of the circumstances
           under which such statements were made, not misleading with respect to
           the period covered by this report;

(3)        Based on my knowledge, the financial statements, and other financial
           information included in this report, fairly present in all material
           respects the financial condition, results of operations and cash
           flows of the registrant as of, and for, the periods presented in this
           report;

(4)        The registrant's other certifying officer(s) and I are responsible
           for establishing and maintaining disclosure controls and procedures
           (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the
           registrant and have:

               (a) Designed such disclosure controls and procedures, or caused
               such disclosure controls and procedures to be designed under our
               supervision, to ensure that material information relating to the
               registrant, including its consolidated subsidiaries, is made
               known to us by others within those entities, particularly during
               the period in which this report is being prepared;

               (b) Evaluated the effectiveness of the registrant's disclosure
               controls and procedures and presented in this report our
               conclusions about the effectiveness of the disclosure controls
               and procedures, as of the end of the period covered by this
               report based on such evaluation; and

               (c) Disclosed in this report any change in the registrant's
               internal control over financial reporting that occurred during
               the registrant's most recent fiscal quarter (the registrant's
               fourth fiscal quarter in the case of an annual report) that has
               materially affected, or is reasonably likely to materially
               affect, the registrant's internal control over financial
               reporting; and

(5)        The registrant's other certifying officer(s) and I have disclosed,
           based on our most recent evaluation of internal control over
           financial reporting, to the registrant's auditors and the audit
           committee of the registrant's board of directors (or persons
           performing the equivalent functions):

               (a) All significant deficiencies and material weaknesses in the
               design or operation of internal control over financial reporting
               which are reasonably likely to adversely affect the registrant's
               ability to record, process, summarize and report financial
               information; and

               (b) Any fraud, whether or not material, that involves management
               or other employees who have a significant role in the
               registrant's internal control over financial reporting.


Date:  June 28, 2004

GEORGE L. LINDEMANN
--------------------------------
George L. Lindemann
Chairman of the Board and
Chief Executive Officer


<PAGE>




                                                                    Exhibit 31.2




                                 CERTIFICATIONS

I, David J. Kvapil, certify that:

(1)       I have reviewed this amended annual report on Form 10-K/A of Southern
          Union Company;

(2)       Based on my knowledge, this report does not contain any untrue
          statement of a material fact or omit to state a material fact
          necessary to make the statements made, in light of the circumstances
          under which such statements were made, not misleading with respect to
          the period covered by this report;

(3)       Based on my knowledge, the financial statements, and other financial
          information included in this report, fairly present in all material
          respects the financial condition, results of operations and cash flows
          of the registrant as of, and for, the periods presented in this
          report;

(4)       The registrant's other certifying officer(s) and I are responsible for
          establishing and maintaining disclosure controls and procedures (as
          defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the
          registrant and have:

               (a) Designed such disclosure controls and procedures, or caused
               such disclosure controls and procedures to be designed under our
               supervision, to ensure that material information relating to the
               registrant, including its consolidated subsidiaries, is made
               known to us by others within those entities, particularly during
               the period in which this report is being prepared;

               (b) Evaluated the effectiveness of the registrant's disclosure
               controls and procedures and presented in this report our
               conclusions about the effectiveness of the disclosure controls
               and procedures, as of the end of the period covered by this
               report based on such evaluation; and

               (c) Disclosed in this report any change in the registrant's
               internal control over financial reporting that occurred during
               the registrant's most recent fiscal quarter (the registrant's
               fourth fiscal quarter in the case of an annual report) that has
               materially affected, or is reasonably likely to materially
               affect, the registrant's internal control over financial
               reporting; and

(5)       The registrant's other certifying officer(s) and I have disclosed,
          based on our most recent evaluation of internal control over financial
          reporting, to the registrant's auditors and the audit committee of the
          registrant's board of directors (or persons performing the equivalent
          functions):

               (a) All significant deficiencies and material weaknesses in the
               design or operation of internal control over financial reporting
               which are reasonably likely to adversely affect the registrant's
               ability to record, process, summarize and report financial
               information; and

               (b) Any fraud, whether or not material, that involves management
               or other employees who have a significant role in the
               registrant's internal control over financial reporting.


Date:  June 28, 2004

DAVID J. KVAPIL
-----------------------------------
David J. Kvapil
Executive Vice President and
Chief Financial Officer
(principal financial officer)



<PAGE>







                                                                    Exhibit 32.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



         In connection with the Form 10-K/A of Southern Union Company (the
"Company") for the year ended June 30, 2003, as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, George L. Lindemann,
Chairman of the Board and Chief Executive Officer of the Company, certify,
pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the
Sarbanes-Oxley Act of 2002, that the Report fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended,
and the information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Company.



GEORGE L. LINDEMANN
---------------------------------
George L. Lindemann
Chairman of the Board and
Chief Executive Officer
June 28, 2004



         This certification is furnished pursuant to Item 601 of Regulation S-K
and shall not be deemed filed by the Company for purposes of ss.18 of the
Securities Exchange Act of 1934, as amended, or otherwise be subject to the
liability of that section. Such certification shall not be deemed to be
incorporated by reference into any filing under the Securities Act or the
Exchange Act, except to the extent the Company specifically incorporates it by
reference.

<PAGE>






                                                                    Exhibit 32.2






                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



         In connection with the Form 10-K/A of Southern Union Company (the
"Company") for the year ended June 30, 2003, as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, David J. Kvapil,
Executive Vice President and Chief Financial Officer of the Company, certify,
pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the
Sarbanes-Oxley Act of 2002, that the Report fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended,
and the information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Company.





DAVID J. KVAPIL
-------------------------------
David J. Kvapil
Executive Vice President and
Chief Financial Officer
June 28, 2004





         This certification is furnished pursuant to Item 601 of Regulation S-K
and shall not be deemed filed by the Company for purposes of ss.18 of the
Securities Exchange Act of 1934, as amended, or otherwise be subject to the
liability of that section. Such certification shall not be deemed to be
incorporated by reference into any filing under the Securities Act or the
Exchange Act, except to the extent the Company specifically incorporates it by
reference.


<PAGE>







                                                         Exhibit 99.1 -- Page 1
                                                             2003 Annual Report
                                                                      Form 10-K


                                     FORM SE
                  FORM FOR SUBMISSION OF PAPER FORMAT EXHIBITS
                              BY ELECTRONIC FILERS



               Southern Union Company                             0000203248
----------------------------------------------------        --------------------
Exact name of registrant as specified in charter           Registrant CIK Number


Form 11-K for the fiscal year ended December 31, 2003               1-6407
-----------------------------------------------------      ---------------------
Electronic report, schedule or registration statement         SEC file number,
of  which the documents are a part (give period of report)       if available




                             Not Applicable ("N/A")
  --------------------------------------------------- ----------------------
        Name of Person Filing the Document (If Other than the Registrant)


                                   SIGNATURES


Filings Made By the Registrant:

     The Registrant has duly caused this form to be signed on its behalf by the
     undersigned, thereunto duly authorized, in the city of Wilkes-Barre, State
     of Pennsylvania, June 28, 2004.



                               Southern Union Company
                               ----------------------
                               (Registrant)

                               By:  DAVID J. KVAPIL
                                    ------------------------------
                                    David J. Kvapil
                                    Executive Vice President and Chief
                                    Financial Officer
                                    (Principal Accounting Officer)
                                    ------------------------------
                                    (Name and Title)