First Supplemental Indenture, dated as of August 1, 2009



 Exhibit 4.2 
 CONSOLIDATED EDISON, INC. 
 AND 
 THE BANK OF NEW YORK MELLON. 
 (formerly known as The Bank of New York 
 (successor as trustee to JPMorgan Chase Bank, N.A. 
 (formerly known as JPMorgan Chase Bank))), 
 as Trustee 
  
  
 FIRST SUPPLEMENTAL INDENTURE 
 Dated as of August 1, 2009 
 TO 
 INDENTURE 
 Dated as of April 1, 2002 
 Providing for an
Amendment to the Indenture 







 This First Supplemental Indenture, dated as of August 1, 2009, between CONSOLIDATED EDISON, INC., a
corporation organized and existing under the laws of the State of New York (herein called the “Company”) and The Bank of New York Mellon (formerly known as The Bank of New York (successor as trustee to JPMorgan Chase Bank, N.A. (formerly
known as JPMorgan Chase Bank))), as Trustee (herein called the “Trustee”): 
 RECITALS OF THE COMPANY 
 WHEREAS, the Company has executed and delivered to the Trustee an Indenture, dated as of April 1, 2002, (the “Indenture”) to provide for
the issuance in one or more series of its unsecured debentures, notes or other evidences of indebtedness (herein called the “Securities”) and to provide for the general terms and conditions upon which the Securities are to be
authenticated, issued and delivered; and 
 WHEREAS, in accordance with Section 10.01(d) of the Indenture, the Company and the Trustee,
without the consent of Securityholders, may enter into indentures supplemental to the Indenture for the purpose of curing any ambiguity contained in the Indenture, correcting or supplementing any provision of the Indenture which may be inconsistent
with any other provisions contained in the Indenture, or making certain other provisions in regard to the Indenture; and 
 WHEREAS, the
Company has duly authorized the execution and delivery of this First Supplemental Indenture to amend and supplement the Indenture to clarify that any “other conditions, limitations or restrictions thereafter to be observed” added to the
Indenture pursuant to supplemental indentures entered into pursuant to Section 10.01(e) of the Indenture are to be observed “by the Company”; and 
 WHEREAS, all conditions and requirements necessary to make this First Supplemental Indenture a valid, binding and legal instrument in accordance with its terms have been done, performed and fulfilled, and the
execution and delivery of this First Supplemental Indenture have been authorized in accordance with the resolution of the Company’s Board of Directors; 
 NOW, THEREFORE, in consideration of the premises and of the sum of $1 duly paid by the Trustee at the execution of these presents, the receipt of which is hereby acknowledged, the Company covenants and agrees with the
Trustee as follows: 
 ARTICLE ONE 
 Amendment to the Indenture 
 Section 1.01. Amendment to Section 10.01(e). Section 10.01(e) of the Indenture is hereby
amended by deleting 10.01(e) in its entirety and substituting for it the following: 
 “(e) to establish the form and terms of the Securities of
any series as permitted in Sections 2.01, 2.02 and 2.03 or to authorize the issuance of additional Securities of a series previously authorized or to add to the conditions, limitations or restrictions on the authorized amount, terms or purposes
of issue, authentication or delivery of the Securities of any series, as herein set forth, or to add other conditions, limitations or restrictions thereafter to be observed by the Company; and” 
  

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 ARTICLE TWO 
 Miscellaneous 
 Section 2.01. Execution as Supplemental Indenture. The Indenture as supplemented and amended
by this First Supplemental Indenture, is in all respects ratified and confirmed. This First Supplemental Indenture is executed and shall be construed as an indenture supplemental to the Indenture and, as provided in the Indenture, the Indenture
shall be and be deemed to be modified and amended in accordance herewith, and all of the terms and conditions of this First Supplemental Indenture shall be and be deemed to be part of the terms and conditions of the Indenture for any and all
purposes. Except as herein expressly otherwise defined, the use of the terms and expressions herein is in accordance with the definitions, uses and constructions contained in the Indenture. 
 Section 2.02. Responsibility for Recitals, Etc. The recitals herein shall be taken as the statements of the Company, and the Trustee assumes no
responsibility for the correctness thereof. The Trustee makes no representations as to the validity or sufficiency of this First Supplemental Indenture. 
 Section 2.03. Provisions Binding on Company’s Successors. All the covenants, stipulations, promises and agreements in this First Supplemental Indenture contained by or on behalf of the Company shall bind its
successors and assigns, whether so expressed or not. 
 Section 2.04. Law of New York to Govern. This First Supplemental Indenture shall be
deemed to be a contract made under the law of the State of New York, and for all purposes shall be construed in accordance with the law of said State. 
 Section 2.05. Execution and Counterparts. This First Supplemental Indenture may be executed in any number of counterparts, each of which shall be an original; but such counterparts shall together constitute but one
and the same instrument. 
  

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 IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental Indenture to be duly executed
and their respective corporate seals to be hereunto affixed and attested, all on the day and year first above written. 
  

			
	CONSOLIDATED EDISON, INC.
		
	By:	 	/s/ Robert Hoglund
		 	 Robert Hoglund
 Senior Vice President and
Chief
     Financial Officer



  

	
	 [CORPORATE SEAL]
 Attest:

	
	/s/ Carole Sobin
	 Carole Sobin
 Secretary


  

			
	 THE BANK OF NEW YORK MELLON,
     as Trustee

		
	By:	 	/s/ Laurence J. O’Brien
		 	 Laurence J. O’Brien
 Vice
President



  

	
	 [CORPORATE SEAL]
 Attest:

	
	/s/ Christopher Greene
	 Christopher Greene
 Vice
President


  

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