Exhibit 23.7

We hereby consent to the use in the Registration Statement of  Exelon
Corporation on Form S-4 and in the Joint Proxy Statement/Prospectus of PECO
Energy Company and Unicom Corporation, which is part of the Registration
Statement, of our opinion dated January 7, 2000 appearing as Annex B to such
Joint Proxy Statement/Prospectus, to the description therein of such opinion and
to the references therein to our name.  In giving the foregoing consent, we do
not admit that we come within the category of persons whose consent is required
under Section 7 of the Securities Act of 1933, as amended (the "Securities
Act"), or the rules and regulations promulgated thereunder, nor do we admit that
we are experts with respect to any part of such Registration Statement within
the meaning of the term "experts" as used in the Securities Act or the rules and
regulations promulgated thereunder.


                                    MORGAN STANLEY & CO.
                                    INCORPORATED

                                    By: /s/ Kenneth R. Marks
                                       __________________________


May 12, 2000