Exhibit 4-A-43








               _________________________________________________________
               _________________________________________________________


                         JERSEY CENTRAL POWER & LIGHT COMPANY

                                          TO


                       UNITED STATES TRUST COMPANY OF NEW YORK,
                                                  Trustee



                                      __________

                                SUPPLEMENTAL INDENTURE

                                      __________


                             Dated as of August 15, 1996


               _________________________________________________________
               _________________________________________________________

             



                                       MORTGAGE


               FIFTY-FIRST  SUPPLEMENTAL INDENTURE, dated as of the 15th
          day of August, 1996, made and entered into by and between JERSEY
          CENTRAL POWER & LIGHT COMPANY, a corporation organized and
          existing under the laws of the State of New Jersey (hereinafter
          called the "Company"), party of the first part, and UNITED STATES
          TRUST COMPANY OF NEW YORK, a bank and trust company organized
          under the State of New York bank law, with its principal
          corporate trust office at 114 West 47th Street, New York, New
          York, 10036-1532, as Successor Trustee under the Original
          Indenture hereinafter mentioned (the Successor Trustee being
          hereinafter sometimes called "Trustee"), party of the second
          part.

               WHEREAS, the Company has heretofore executed and delivered
          to City Bank Farmers Trust Company an Indenture dated as of March
          1, 1946 (hereinafter called the "Original Indenture"), to secure
          the principal of and the interest and premium (if any) on all
          bonds at any time issued and outstanding thereunder, to declare
          the terms and conditions upon which bonds are to be issued
          thereunder and to subject to the lien thereof certain property
          therein described; and

               WHEREAS, United States Trust Company of New York is now
          acting as Successor Trustee under the Original Indenture and the
          indentures supplemental thereto hereinafter enumerated; and

               WHEREAS, the Original Indenture has heretofore been
          supplemented by a First Supplemental Indenture dated as of
          December 1, 1948, a Second Supplemental Indenture dated as of
          April 1, 1953, a Third Supplemental Indenture dated as of June 1,
          1954, a Fourth Supplemental Indenture dated as of May 1, 1955, a
          Fifth Supplemental Indenture dated as of August 1, 1956, a Sixth
          Supplemental Indenture dated as of July 1, 1957, a Seventh
          Supplemental Indenture dated as of July 1, 1959,  an Eighth
          Supplemental Indenture dated as of June 1, 1960, a Ninth
          Supplemental Indenture dated as of November 1, 1962, a Tenth
          Supplemental Indenture dated as of October 1, 1963, an Eleventh
          Supplemental Indenture dated as of October 1, 1964, a Twelfth
          Supplemental Indenture dated as of November 1, 1965, a Thirteenth
          Supplemental Indenture dated as of August 1, 1966, a Fourteenth
          Supplemental Indenture dated as of September 1, 1967, a Fifteenth
          Supplemental Indenture dated as of October 1, 1968, a Sixteenth
          Supplemental Indenture dated as of October 1, 1969, a Seventeenth
          Supplemental Indenture dated as of June 1, 1970, an Eighteenth
          Supplemental Indenture dated as of December 1, 1970, a Nineteenth
          Supplemental Indenture dated as of February 1, 1971, a Twentieth
          Supplemental Indenture dated as of November 1, 1971, a
          Twenty-first Supplemental Indenture dated as of August 1, 1972, a
          Twenty-second Supplemental Indenture dated as of August 1, 1973,
          a Twenty-third Supplemental Indenture dated as of October 1,
          1973, a Twenty-fourth Supplemental Indenture dated as of December
          1, 1973, a Twenty-fifth Supplemental Indenture dated as of
          November 1, 1974, a Twenty-sixth Supplemental Indenture dated as
          of March 1, 1975, a Twenty-seventh Supplemental Indenture dated 



                                        - 3 -



          as of July 1, 1975, a Twenty-eighth Supplemental Indenture dated
          as of October 1, 1975, a Twenty-ninth Supplemental Indenture
          dated as of February 1, 1976, a Supplemental Indenture No. 29A
          dated as of May 31, 1976, a Thirtieth Supplemental Indenture
          dated as of June 1, 1976, a Thirty-first Supplemental Indenture
          dated as of May 1, 1977, a Thirty-second Supplemental Indenture
          dated as of January 20, 1978, a Thirty-third Supplemental
          Indenture dated as of January 1, 1979, a Thirty-fourth
          Supplemental Indenture dated as of June 1, 1979, a Thirty-fifth
          Supplemental Indenture dated as of June 15, 1979, a Thirty-sixth
          Supplemental Indenture dated as of October 1, 1979, a
          Thirty-seventh Supplemental Indenture dated as of September 1,
          1984, a Thirty-eighth Supplemental Indenture dated as of July 1,
          1985, a Thirty-ninth Supplemental Indenture dated as of April 1,
          1988, a Fortieth Supplemental Indenture dated as of June 14,
          1988, a Forty-first Supplemental Indenture dated as of April 1,
          1989, a Forty-second Supplemental Indenture dated as of July 1,
          1989, a Forty-third Supplemental Indenture dated as of March 1,
          1991, a Forty-fourth Supplemental Indenture dated as of March 1,
          1992, a Forty-fifth Supplemental Indenture dated as of October 1,
          1992, a Forty-sixth Supplemental Indenture dated as of April 1,
          1993, a Forty-seventh Supplemental Indenture dated as of April
          10, 1993, a Forty-eighth Supplemental Indenture dated as of April
          15, 1993, a Forty-ninth Supplemental Indenture dated as of
          October 1, 1993, and a Fiftieth Supplemental Indenture dated as
          of August 1, 1994 (hereinafter respectively called "First
          Supplemental Indenture," "Second Supplemental Indenture," "Third
          Supplemental Indenture," "Fourth Supplemental Indenture," "Fifth 
          Supplemental Indenture," "Sixth Supplemental Indenture," "Seventh
          Supplemental Indenture," "Eighth Supplemental Indenture," "Ninth
          Supplemental Indenture," "Tenth Supplemental Indenture,"
          "Eleventh Supplemental Indenture," "Twelfth Supplemental
          Indenture," "Thirteenth Supplemental Indenture," "Fourteenth
          Supplemental Indenture," "Fifteenth Supplemental Indenture,"
          "Sixteenth Supplemental Indenture," "Seventeenth Supplemental
          Indenture," "Eighteenth Supplemental Indenture," "Nineteenth
          Supplemental Indenture," "Twentieth Supplemental Indenture,"
          "Twenty-first  Supplemental Indenture," "Twenty-second
          Supplemental Indenture," "Twenty-third Supplemental Indenture,"
          "Twenty-fourth Supplemental Indenture," "Twenty-fifth
          Supplemental Indenture," "Twenty-sixth Supplemental Indenture,"
          "Twenty-seventh Supplemental Indenture," "Twenty-eighth
          Supplemental Indenture," "Twenty-ninth Supplemental Indenture,"
          "Supplemental Indenture No. 29A," "Thirtieth Supplemental
          Indenture," "Thirty-first  Supplemental Indenture,"
          "Thirty-second Supplemental Indenture," "Thirty-third
          Supplemental Indenture," "Thirty-fourth Supplemental Indenture,"
          "Thirty-fifth  Supplemental Indenture," "Thirty-sixth 
          Supplemental Indenture," "Thirty-seventh Supplemental Indenture,"
          "Thirty-eighth Supplemental Indenture," "Thirty-ninth
          Supplemental Indenture," "Fortieth Supplemental Indenture,"
          "Forty-first Supplemental Indenture," "Forty-second Supplemental 



                                        - 4 -



          Indenture," "Forty-third Supplemental Indenture," "Forty-fourth
          Supplemental Indenture," "Forty-fifth Supplemental Indenture,"
          "Forty-sixth Supplemental Indenture," "Forty-seventh Supplemental
          Indenture," "Forty-eighth Supplemental Indenture", "Forty-ninth
          Supplemental Indenture", and "Fiftieth Supplemental Indenture",
          collectively called "the Supplemental Indentures"), for the
          purposes therein expressed; and

               WHEREAS, the Original Indenture has been recorded in the
          proper recording offices of the following counties in the State
          of New Jersey and the Commonwealth of Pennsylvania in Books of
          Mortgages at the pages respectively stated as follows:

                                      NEW JERSEY

                                        Mortgage
                    County                Book         Page

                    Burlington          360            1 &c
                    Camden              2423           37 &c
                    Essex               I-103          155 &c
                    Hunterdon           439            284 &c
                    Mercer              732            280 &c
                    Middlesex           871            101 &c
                    Monmouth            1365           1 &c
                    Morris              Z-16           1 &c
                    Ocean               385            33 &c
                    Passaic             B-24           1 &c
                    Somerset            386            1 &c
                    Sussex              394            148 &c
                    Union               1474           1 &c
                    Warren              279            191 &c




                                     PENNSYLVANIA

                    Armstrong           213            421 &c
                    Bucks               2133           151 &c
                    Dauphin             N52            1 &c
                    Indiana             200            371 &c
                    Montgomery          7537           1287 &c
                    Northampton         1159           1 &c

          ; and
               WHEREAS, the Supplemental Indentures have been recorded in
          the proper recording offices of the appropriate counties in the
          State of New Jersey and the Commonwealth of Pennsylvania; and



                                        - 5 -



               WHEREAS, the Original Indenture, as the same may be amended
          or supplemented from time to time by indentures supplemental
          thereto, is hereinafter referred to as "the Indenture"; and 

               WHEREAS, the Original Indenture authorizes the Company and
          the Trustee to enter into supplemental indentures for the
          purpose, among others, of (i) conveying, transferring and
          assigning to the Trustee, and subjecting to the lien thereof,
          additional properties thereafter acquired by the Company, and
          (ii) curing an ambiguity or correcting or supplementing any
          provision contained in the Original Indenture; and 

               WHEREAS, the Company desires to subject specifically to the
          lien of the Indenture certain property acquired by the Company
          and more particularly described in Schedule A; and 

               WHEREAS, the provisions of Article XVII, Section 17.01(f) of
          the Original Indenture provide that indentures supplemental to
          the Original Indenture may be executed and delivered for any
          purpose not inconsistent with the terms of the Original Indenture
          or to cure any ambiguity or to correct or supplement any
          provision contained in the Original Indenture or in any
          supplemental indenture which may be defective or inconsistent
          with any other provision contained in the Original Indenture or
          in any supplemental indenture, or to make such other provisions
          in regard to matters or questions arising under the Original
          Indenture which shall not be inconsistent with the provisions of
          the Original Indenture and which shall not adversely affect the
          interests of the holders of the bonds; and  

               WHEREAS, the Company desires to cure an ambiguity in Article
          I, Section 1.05(B)(2) of the Original Indenture relating to the
          identification and inclusion of property additions in officers'
          certificates of bondable value of property additions; and 

               WHEREAS, the Company, in the exercise of the powers and
          authority conferred upon and reserved to it under the provisions
          of the Original Indenture and pursuant to appropriate action of
          its Board of Directors, has fully resolved and determined to
          make, execute and deliver to the Trustee a Fifty-first
          Supplemental Indenture in the form hereof for the purposes herein
          provided; and

               WHEREAS, the Company represents that all conditions and
          requirements necessary to make this Fifty-first Supplemental
          Indenture, in the form and upon the terms hereof, a valid,
          binding and legal instrument, in accordance with its terms, and
          for the purposes herein expressed, have been done, performed and
          fulfilled, and the execution and delivery hereof, in the form and
          upon the terms hereof, have been in all respects duly authorized.



                                        - 6 -



               NOW THEREFORE, THIS FIFTY-FIRST  SUPPLEMENTAL INDENTURE
          WITNESSETH:  That Jersey Central Power & Light Company, in
          consideration of the premises, and the execution and delivery by
          the Trustee of this Fifty-first Supplemental Indenture and for
          other good and valuable considerations, receipt of which is
          hereby acknowledged, has granted, bargained, sold, aliened,
          enfeoffed, released, conveyed, mortgaged, assigned, transferred,
          pledged, set over and confirmed, and by these presents does
          grant, bargain, sell, alien, enfeoff, release, convey, mortgage,
          assign, transfer, pledge, set over and confirm unto United States
          Trust Company of New York, as Successor Trustee as aforesaid, and
          to its successors in the trust created by the Original Indenture
          and to its and their successors and assigns forever, all the
          following properties of the Company, that is to say:

                                        FIRST

               All property additions, as defined in and by Section 1.03 of
          the Original Indenture, acquired by the Company on or after
          August 1, 1994, and prior to August 15, 1996, and now owned by
          the Company.

                                        SECOND

               Also all property of the character and nature specified in
          the "Second," "Third," "Fourth," "Fifth,"  and "Sixth" 
          subdivisions of the granting clauses of the Original Indenture.

                                        THIRD

               All those certain lots, tracts or parcels of real estate and
          interest more particularly and specifically described in Schedule
          A attached hereto and hereby made a part hereof. 

               EXPRESSLY EXCEPTING AND EXCLUDING, HOWEVER, from this Fifty-
          first Supplemental Indenture and from the lien and operation of
          the Indenture, all property which, prior to the date of this
          Fifty-first Supplemental Indenture, shall have been released from
          the lien of, or disposed of by the Company in accordance with the
          provisions of the Indenture; and all the tracts or parcels of
          land and premises and all property of every kind and type
          excepted and excluded from, and not heretofore or hereby
          expressly subjected to, the lien of the Original Indenture by the
          terms thereof whether such property was owned by the Company at
          the date thereof or has been acquired since that date.


               SUBJECT, HOWEVER, except as otherwise expressly provided in
          this Fifty-first Supplemental Indenture, to the exceptions,
          reservations and matters recited in the Indenture, to the
          reservations, exceptions, limitations and restrictions contained
          in the several deeds, grants, franchises and contracts or other
          instruments through which the Company acquired or claims title to



                                        - 7 -



          the aforesaid property; and subject also to existing leases, to
          liens on easements or rights-of-way for transmission or
          distribution line purposes, to taxes and assessments not in
          default, to easements for alleys, streets, highways, rights-of-
          way and railroads that may run across or encroach upon said
          lands, to joint pole and similar agreements, to undetermined
          liens and charges, if any, incidental to the construction and
          other permissible encumbrances, as defined in the Original
          Indenture, and subject also to the provisions of Section 13.03 of
          the Original Indenture.

               In trust, nevertheless, upon the terms and trusts set forth
          in the Indenture.

               AND THIS FIFTY-FIRST  SUPPLEMENTAL INDENTURE FURTHER
          WITNESSETH:  That the Company, for the considerations aforesaid,
          hereby covenants and agrees to and with the Trustee and its
          successors in the trust under the Indenture, as follows:


                                      ARTICLE I.

                               CONCERNING THE TRUSTEE.

               SECTION 1.01.  The Trustee hereby accepts the properties
          hereby mortgaged and conveyed to it upon the trusts hereinbefore
          referred to and agrees to perform the same upon the terms and
          conditions set forth in the Indenture.

               SECTION 1.02.  The Trustee shall not be responsible in any
          manner for or with respect to the validity or sufficiency of this
          Fifty-first Supplemental Indenture, or the due execution hereof
          by the Company, or for or with respect to the recitals and
          statements contained herein, all of which recitals and statements
          are made solely by the Company.


                                      ARTICLE II

                   CURING AN AMBIGUITY IN ARTICLE I, SECTION 1.05 
                              OF THE ORIGINAL INDENTURE

               SECTION 2.01.  Pursuant to Article XVII, Section 17.01(f) of
          the Original Indenture, for the purpose of curing an ambiguity in
          Article I, Section 1.05 relating to the identification and
          inclusion of property additions in officers' certificates of
          bondable value of property additions,  Section 1.05(B)(2) of the
          Original Indenture is hereby revised and restated in its entirety
          as follows:

               "(2) a brief identification, including the location, of the
          property additions then being certified to the Trustee; if any
          property included in such property additions is located on any


                                        - 8 -



          leasehold, other than those of the nature described in paragraph
          d) of the definition of property additions,stating that such
          leasehold extends beyond the date of maturity of all bonds then
          outstanding under this Indenture and all additional bonds applied
          for at the particular time, and that the amount then and
          theretofore included in property additions on account of
          leasehold estates or improvements, extensions or additions
          thereto, other than those of the nature described in paragraph
          (d) of the definition of property additions, does not in the
          aggregate exceed five per centum (5%) of the aggregate principal
          amount of all bonds then outstanding and all bonds which might
          then be authenticated and delivered hereunder pursuant to the
          provisions of Sections 4.03, 4.04 and 4.05 hereof; if any
          property included in such property additions is subject to a
          prior lien securing prior lien bonds which have not been
          described in accordance with clause (10) of this paragraph B in a
          preceding certificate delivered to the Trustee pursuant to this
          paragraph B, stating (i) the principal amount of prior lien bonds
          secured by such prior lien and then to become refundable prior
          lien bonds, and (ii) the aggregate principal amount of prior lien
          bonds then outstanding which became, at any previous time,
          refundable prior lien bonds, and (iii) stating that the inclusion
          of said property in the certificate does not result in a
          violation of the covenants contained in the first paragraph of
          Section 5.15 hereof; (i) no annual officers' certificate of
          bondable value of property additions shall include property
          additions made, constructed or acquired by the Company during the
          period prior to the date of the last preceding annual officers'
          certificate of bondable value of property additions delivered to
          the Trustee pursuant to this paragraph B, and (ii) each officers'
          certificate other than an annual officers' certificate of
          bondable value of property additions may include property
          additions made, constructed or acquired by the Company during the
          period subsequent to the date of the last preceding annual
          officers' certificate of bondable value of property additions
          delivered to the Trustee pursuant to this paragraph B, if such
          property additions have not been included in a previous
          certificate, except, in either case, (a) that such certificate
          may include property additions made, constructed or acquired by
          the Company prior to said dates if such property additions are
          subject to a prior lien and have not been included in a previous
          certificate, and (b) that any property additions acquired by the
          Company within 15 days preceding, or to be so acquired
          concurrently with the granting of any application in connection
          with which such officers' certificate is delivered to the
          Trustee, may, unless such property additions are to be acquired
          in exchange or substitution for bondable property, be certified
          to the Trustee as property additions in such officers'
          certificate and in such event shall be treated for all purposes
          of this Indenture has having been acquired on or before the date
          of such officers' certificate." 


                                        - 9 -



                                     ARTICLE III.

                                    MISCELLANEOUS.

               SECTION 3.01.  For all purposes hereof, except as the
          context may otherwise require, (a) all terms contained herein
          shall have the meanings given such terms in, and (b) all
          references herein to sections of the Original Indenture shall be
          deemed to be to such sections of, the Original Indenture as the
          same heretofore has been or hereafter may be amended by an
          indenture or indentures supplemental thereto.

               SECTION 3.02.  As amended and supplemented by the aforesaid
          indentures supplemental thereto and by this Fifty-first
          Supplemental Indenture, the Original Indenture is in all respects
          ratified and confirmed and the Original Indenture and the
          aforesaid indentures supplemental thereto and this Fifty-first
          Supplemental Indenture shall be read, taken and construed as one
          and the same instrument.

               SECTION 3.03.  This Fifty-first Supplemental Indenture shall
          be simultaneously executed in several counterparts, and all such
          counterparts executed and delivered, each as an original, shall
          constitute but one and the same instrument.

               IN WITNESS WHEREOF, JERSEY CENTRAL POWER & LIGHT COMPANY,
          party of the first part, has caused this instrument to be signed
          in its name and behalf by its President or a Vice President, and
          its corporate seal to be hereunto affixed and attested by its
          Secretary or an Assistant Secretary and United States Trust
          Company of New York, as Successor Trustee as aforesaid, the party
          of the second part, in token of its acceptance of the trust
          hereby created, has caused this instrument to be signed in its
          name and behalf by an Authorized Officer and its corporate seal
          to be hereunto affixed and attested by an Authorized Officer, all
          as of the day and year first above written.

                              JERSEY CENTRAL POWER & LIGHT COMPANY

                              By                                            

                                        T. G. Howson           
                                        Vice President
          ATTEST:

                                            
          M. A. Nalewako          
          Assistant Secretary

          Signed, sealed and delivered by
               JERSEY CENTRAL POWER & LIGHT
               COMPANY in the presence of:

                                            

                                            


                                        - 10 -




                              UNITED STATES TRUST COMPANY
                                   OF NEW YORK
                                   As Successor Trustee as aforesaid


                              By                                        
                                                       
                                        Vice President
          ATTEST:


                                           
                          
          Assistant Secretary

          Signed, sealed and delivered by
            UNITED STATES TRUST COMPANY
            OF NEW YORK
            in the presence of:

                                            


                                            


                                        - 11 -




          STATE OF NEW JERSEY  :
                              :    ss:
          COUNTY OF MORRIS  :


                    On this _____ day of August, 1996, before me, B. E.
          Jost, a Notary Public for the State and County aforesaid, the
          undersigned officer, personally appeared T. G. Howson, who, to my
          satisfaction, acknowledged himself to be a Vice President of
          Jersey Central Power & Light Company, a corporation, and that he
          as such Vice President, being authorized to do so, executed the
          foregoing instrument for the purposes therein contained as the
          act of the corporation by signing his name as Vice President of
          the corporation.

                    IN WITNESS WHEREOF, I hereunto set my hand and official
          seal.



          _________________________________
                                                  Notary Public

          [NOTARIAL SEAL]


          STATE OF NEW YORK  :
                              :  ss.
          COUNTY OF NEW YORK  :


                    On this _____day of August, 1996, before me,
          _______________________,
          a Notary Public for the State and County aforesaid, the
          undersigned officer, personally appeared L. P. Young, who, to my
          satisfaction, acknowledged himself to be a Vice President of
          United States Trust Company of New York, a corporation, and that
          he as such Vice President, being authorized to do so, executed
          the foregoing instrument for the purposes therein contained as
          the act of the corporation by signing his name as Vice President
          of the corporation.

                    IN WITNESS WHEREOF, I hereunto set my hand and official
          seal.



          _________________________________
                                                  Notary Public

          [NOTARIAL SEAL]


                                        - 12 -




                               CERTIFICATE OF RESIDENCE



               United States Trust Company of New York, Successor Trustee
          within named, hereby certifies that its precise residence is 114
          West 47th Street, in the Borough of Manhattan, in the City of New
          York, in the State of New York.



                              UNITED STATES TRUST COMPANY OF NEW YORK




                              By                                      
                                                     
                                      Vice President


                                        - 13 -



                             COMMONWEALTH OF PENNSYLVANIA
                                  MONTGOMERY COUNTY

          PENNSYLVANIA - NEW JERSEY - MARYLAND INTERCONNECTION CONTROL
          CENTER:

               An undivided 7.50% interest of the Company in and to the
          following described real property:

               All that certain tract or parcel of ground with the
          buildings and improvements thereon, situate in the Township of
          Lower Providence, County of Montgomery, Commonwealth of
          Pennsylvania bounded and described in accordance with a survey
          and plan thereof made by George C. Beebe, Registered Professional
          Engineer, for Robert E. Lamb, Inc., Valley Forge, Pennsylvania,
          dated May 16, 1968, as follows:

               Beginning at a point at the intersection of the title line
          within the bed of Van Buren Avenue and the title line within the
          bed of Jefferson Avenue and extending thence from said point S.
          42 degrees 00' W. 440 feet 0 inches to a point; thence N. 48
          degrees 00' W. 440 feet 0 inches to a point; thence N. 42 degrees
          00' E 75 feet 0 inches to a point; thence N. 48 degrees 00' W. 30
          feet 0 inches to a point; thence N. 42 degrees 00' E. 365 feet 0
          inches to a point on the title line within the bed of Van Buren
          Avenue and thence along the title line within the bed of Van
          Buren Avenue, S. 48 degrees 00' E. 470 feet 0 inches to the first
          mentioned point and place of beginning.

               Containing 4.696 acres, more or less.

               Subject to easements, rights, covenants, conditions and
          restrictions of record, if any, or otherwise visible.

               Being the same undivided 7.50% interest in the above
          described premises which was conveyed to the Company by PECO
          Energy Company, a Pennsylvania corporation, as Agent for members
          of the Pennsylvania-New Jersey-Maryland Interconnection, by deed
          dated July 13, 1995 and recorded in the Montgomery County
          Commissioners Registry on October 26, 1995 in Deed Book 5129,
          Page 1538 &c.

               Montgomery County Tax Parcel No. 43-00-15406-00-4.