EXELON CORPORATION

SECTION 16 FILING

POWER OF ATTORNEY





Know all by these presents, that the undersigned hereby constitutes and appoints

each of Katherine K. Combs, Bruce G. Wilson, and Scott N. Peters, signing

singly, the undersigned's true and lawful attorney-in-fact to:



(1)  execute for and on behalf of the undersigned, in the undersigned's

capacity as an officer and/or director of Exelon Corporation ("Exelon"), all

reports to be filed by the undersigned pursuant to Section 16(a) of the

Securities Exchange Act of 1934 and the rules promulgated thereunder (including

Forms 3, 4, and 5 and any successor forms) (the "Section 16 Reports");



(2)  do and perform any and all acts for and on behalf of the undersigned that

may be necessary or desirable to complete and execute any such Section 16

Report, complete and execute any amendment or amendments thereto, and timely

file such report with the United States Securities and Exchange Commission and

any stock exchange or similar authority; and



(3)  take any other action of any type whatsoever in connection with the

foregoing that, in the opinion of such attorney-in-fact, may be of benefit to,

in the best interest of, or legally required by, the undersigned, it being

understood that the documents executed by such attorney-in-fact on behalf of the

undersigned pursuant to this Power of Attorney shall be in such form and shall

contain such terms and conditions as such attorney-in-fact may approve in such

attorney-in-fact's discretion.



The undersigned hereby grants to each such attorney-in-fact full power and

authority to do and perform any and every act and thing whatsoever requisite,

necessary, or proper to be done in the exercise of any of the rights and powers

herein granted, as fully to all intents and purposes as the undersigned might or

could do if personally present, with full power of substitution or revocation,

hereby ratifying and confirming all that such attorney-in-fact, or such

attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be

done by virtue of this power of attorney and the rights and powers herein

granted.  The undersigned acknowledges that the foregoing attorneys-in-fact, in

serving in such capacity at the request of the undersigned, are not assuming,

nor is Exelon assuming, any of the undersigned's responsibilities to comply with

Section 16 of the Securities Exchange Act of 1934.



This Power of Attorney shall remain in full force and effect until the

undersigned is no longer required to file Section 16 Reports with respect to the

undersigned's holdings of and transactions in securities issued by Exelon,

unless earlier revoked by the undersigned in a signed writing delivered to the

foregoing attorneys-in-fact.



IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be

executed as of this 11th day of February, 2004.







Signature: /s/ Elizabeth A. Moler





Print Name:  Elizabeth A. Moler