AMENDMENT dated as of April 28, 1995 (this "Amendment") to
               the Competitive Advance and Revolving Credit Facility Agreement
               "Facility B" (the "Agreement"), dated as of April 29, 1994, among
               TEXAS UTILITIES COMPANY, a Texas corporation ("TU"); TEXAS
               UTILITIES ELECTRIC COMPANY, a Texas corporation and a wholly
               owned subsidiary of TU ("TU Electric" and, together with TU, the
               "Borrowers"); the lenders listed in Schedule 2.01 to the
               Agreement (the "Lenders"); CHEMICAL BANK, a New York banking
               corporation ("Chemical"), as Competitive Advance Facility Agent
               (in such capacity, the "CAF Agent"); and TEXAS COMMERCE BANK
               NATIONAL ASSOCIATION, a national banking association ("TCB"), as
               administrative agent for the Lenders (in such capacity, the
               "Administrative Agent"; and, together with the CAF Agent, the
               "Agents").

          A.  The Borrowers have requested that the Lenders agree to extend the
maturity of the Agreement, and in connection therewith to amend certain
provisions of the Agreement.

          B.  The Lenders are willing, on the terms, subject to the conditions
and to the extent set forth below, to extend the maturity of the Agreement and
to agree to such amendments.

          In consideration of the premises and the agreements, provisions and
covenants herein contained, the parties hereto hereby agree, on the terms and
subject to the conditions set forth herein, as follows:

          SECTION 1.  Amendments.  (a)  Section 1.01 of the Agreement is hereby
                      -----------                                              
amended by:

          (i)  Deleting therefrom the definitions of "Borrowing Percentage" and
     "Maturity Date" and replacing each with the following respective
     definitions:

               "Borrowing Percentage" shall mean (a) in the case of TU, 40%, and
                --------------------                                            
          in the case of TU Electric, 100%.

               "Maturity Date" shall mean the fifth anniversary of the Amendment
                -------------                                                   
          Effective Date or if such anniversary does not occur on a Business
          Day,

 
          the Business Day immediately preceding such anniversary.

          (ii)  Deleting from the chart contained in the definition of
     "Applicable Margin" the references to the Category 1 Applicable Margin of
     .2500% and the Category 2 Applicable Margin of .2750% and replacing them
     with .2250% and .2500%, respectively.

         (iii)  Deleting from the chart contained in the definition of
     "Facility Fee Percentage" the references to the Category 1 Facility Fee
     Percentage of .1750% and the Category 2 Facility Fee Percentage of .2250%
     and replacing them with .1500% and .2000%, respectively.

          (b)  Section 1.01 of the Agreement is hereby amended by adding thereto
after the definition of "Alternate Base Rate" the following definition:

          "Amendment Effective Date" shall mean the date on which each condition
           ------------------------                                             
     to effectiveness set forth in Section 3 of the Amendment to this Agreement,
     dated as of April 28, 1995, has been satisfied.

          (c)  Section 2.05(b) of the Agreement is hereby deleted and replaced
with the following phrase:  "(b) [Intentionally omitted.]"

          (d)  Each reference to the "Utilization Fee" contained in the
Agreement is hereby deleted.

          (e)  Each reference in Section 3.05 to "December 31, 1993", is hereby
replaced with a reference to "December 31, 1994", and the reference in Section
3.05(a) to "TU's 1993 Form 10-K" is hereby replaced with a reference to "TU's
1994 Annual Report on Form 10-K".

          (f)  The reference in Section 3.06 to "Schedule 3.06" is hereby
replaced with a reference to "Schedule 3.06 to the Amendment to this Agreement,
dated as of April 28, 1995,".

          SECTION 2.  Representations and Warranties.  Each Borrower represents
                      -------------------------------                          
and warrants as of the Amendment Effective Date to each of the Lenders and the
Agents that:

          (a)  Before and after giving effect to this Amendment, the
     representations and warranties set forth in Section 3 of the Agreement, as
     amended hereby, are true and correct in all material respects with the same
     effect as if made on the Amendment Effective Date,

 
     except to the extent such representations and warranties expressly relate
     to an earlier date.

          (b)  Before and after giving effect to this Amendment, no Event of
     Default or Default has occurred and is continuing.

          SECTION 3.  Conditions to Effectiveness.  This Amendment shall become
                      ----------------------------                             
effective as of the Amendment Effective Date when (a) the Administrative Agent
shall have received counterparts of this Amendment that, when taken together,
bear the signatures of the Borrowers, all the Lenders and the Agents and (b) the
conditions set forth in paragraphs (a) through (d) of Section 4.02 of the
Agreement in respect of the Effective Date for the Agreement shall have been
satisfied mutatis mutandis in respect of this Amendment as of the Amendment
          ------- --------                                                 
Effective Date, provided the Amendment Effective Date shall not occur after
                --------                                                   
April 28, 1995.

          SECTION 4.  Agreement.  Except as specifically stated herein, the
                      ----------                                           
provisions of the Agreement are and shall remain in full force and effect.  As
used therein, the terms "Agreement", "herein", "hereunder", "hereinafter",
"hereto", "hereof" and words of similar import shall, unless the context
otherwise requires, refer to the Agreement as amended hereby.

          SECTION 5.  APPLICABLE LAW.  THIS AMENDMENT SHALL BE GOVERNED BY, AND
                      ---------------                                          
CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

          SECTION 6.  Counterparts.  This Amendment may be executed in two or
                      -------------                                          
more counterparts, each of which shall constitute an original but all of which
when taken together shall constitute but one contract.

          SECTION 7.  Expenses.  The Borrower agrees to reimburse the Agents for
                      ---------                                                 
all out-of-pocket expenses incurred by them in connection with this Amendment,
including the reasonable fees, charges and disbursements of Cravath, Swaine &
Moore, counsel for the Agents.

 
          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be duly executed by their respective authorized officers as of the day and year
first written above.


                                            TEXAS UTILITIES COMPANY,
                                            as Borrower,
                             
                                             by   /s/ Cathryn Hulen
                                               --------------------------
                                               Name:  Cathryn Hulen
                                               Title: Treasurer
                             
                             
                                            TEXAS UTILITIES ELECTRIC COMPANY,
                                            as Borrower,
                             
                                             by   /s/ H. Dan Farell
                                               --------------------------
                                               Name:  H. Dan Farell
                                               Title: Senior Vice President
                             
                             
                             
                                            TEXAS COMMERCE BANK NATIONAL
                                            ASSOCIATION, individually and
                                            as Administrative Agent,
                             
                                             by  /s/  Allen K. King
                                               --------------------------
                                               Name:  Allen K. King
                                               Title: Vice President
                             
                             
                                            CHEMICAL BANK, individually
                                            and as CAF Agent,
                             
                                             by   /s/ Ronald Potter
                                               --------------------------
                                               Name:  Ronald Potter
                                               Title: Managing Director
                             
                             
                                            BANK OF AMERICA NT & SA,
                             
                                             by   /s/ Robert Eaton
                                               --------------------------
                                               Name:  Robert Eaton
                                               Title: Vice President
                             
                             

 
                                            THE BANK OF NEW YORK,
                             
                                             by   /s/ Nathan S. Howard
                                               --------------------------
                                               Name:  Nathan S. Howard
                                               Title: Vice President
                             
                             
                                            THE BANK OF TOKYO, LTD.,
                             
                                             by   /s/ John M. Mearns
                                               --------------------------
                                               Name:  John M. Mearns        
                                               Title: Vice President &
                                                      Manager
                             
                             
                                            THE CHASE MANHATTAN BANK, N.A.,
                             
                                             by   /s/ Marc D. Galligan
                                               __________________________
                                               Name:  Marc D. Galligan
                                               Title: Vice President
                             
                             
                                            CIBC INC.,
                             
                                             by   /s/ Robert S. Lyle
                                               --------------------------
                                               Name:  Robert S. Lyle
                                               Title: Vice President
                             
                             
                                            CITIBANK, N.A.,
                             
                                             by   /s/ Anita J. Brickell
                                               --------------------------
                                               Name:  Anita J. Brickell
                                               Title: Vice President
                             
                             
                                            CREDIT LYONNAIS, NEW YORK BRANCH,
                             
                                             by   /s/ Robert Ivosevich
                                               --------------------------
                                               Name:  Robert Ivosevich
                                               Title: Sr. Vice President
                             
                             
                                            THE FIRST NATIONAL BANK OF
                                            CHICAGO,
                             
                                             by   /s/ T. Thomas Cheng
                                               --------------------------
                                               Name:  T. Thomas Cheng
                                               Title: Vice President
                             
                             

 
                                            THE INDUSTRIAL BANK OF JAPAN
                                            TRUST COMPANY,
                             
                                             by   /s/ Robert W. Ramage, Jr.
                                               ----------------------------
                                                Name: Robert W. Ramage, Jr.
                                               Title: Sr. Vice President


                                           THE LONG-TERM CREDIT BANK OF
                                           JAPAN, LIMITED,

                                            by   /s/ John J. Sullivan
                                              ----------------------------
                                              Name:  John J. Sullivan
                                              Title: Joint General Manager



                                           MELLON BANK, N.A.,

                                            by   /s/ A. J. Sabatelle
                                              ----------------------------
                                              Name:  A. J. Sabatelle
                                              Title: Vice President


                                           THE MITSUBISHI BANK, LTD.,
                                           HOUSTON AGENCY,

                                            by   /s/ Shoji Honda
                                              ----------------------------
                                              Name:  Shoji Honda
                                              Title: General Manager


                                           THE MITSUBISHI TRUST AND BANKING
                                           CORPORATION, LOS ANGELES AGENCY,

                                            by   /s/ Shigeki Sakanoue
                                              ----------------------------
                                              Name:  Shigeki Sakanoue
                                              Title: First V.P. & Manager


                                           NATIONSBANK OF TEXAS, N.A.,

                                            by   /s/ Bryan L. Diers
                                              ----------------------------
                                              Name:  Bryan L. Diers
                                              Title: Sr. Vice President

 
                                           THE SANWA BANK, LIMITED,
                                           DALLAS AGENCY,

                                            by   /s/ Robert S. Smith
                                              -----------------------------
                                              Name:  Robert S. Smith
                                              Title: Asst. Vice President


                                           SOCIETE GENERALE, SOUTHWEST
                                           AGENCY,

                                            by   /s/ Christopher J. Speltz
                                              -----------------------------
                                              Name:  Christopher J. Speltz
                                              Title: Vice President


                                           THE SUMITOMO BANK, LIMITED,

                                            by   /s/ Tatsuo Ueda
                                              -----------------------------
                                              Name:  Tatsuo Ueda
                                              Title: General Manager


                                           THE TOKAI BANK, LIMITED,

                                            by   /s/ Masaharu Muto
                                              -----------------------------
                                              Name:  Masaharu Muto
                                              Title: Deputy General Manager


                                           UNION BANK OF SWITZERLAND,

                                            by   /s/ Alfred W. Imholz
                                              -----------------------------
                                              Name:  Alfred W. Imholz
                                              Title: Managing Director

                                            by   /s/ Jan Buettgen
                                              -----------------------------
                                              Name:  Jan Buettgen
                                              Title: Vice President
                                                     Corporate Banking

 
                                                                   SCHEDULE 3.06
                                                                    TO AMENDMENT
                                                      DATED AS OF APRIL 28, 1995





                                   Litigation
                                   ----------


None.