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                                                                    EXHIBIT 23.2

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

    We consent to the incorporation by reference in this Registration Statement
of Exelon Corporation on Form S-4 of our report dated February 17, 2004,
relating to the financial statements and financial statement schedule of Public
Service Enterprise Group Incorporated and subsidiaries (the "Company") appearing
in the annual report on Form 10-K of the Company for the year ended
December 31, 2003 (which report expresses an unqualified opinion and includes
explanatory paragraphs relating to the restatement described in Note 2, the
adoption of Statement of Financial Accounting Standards No. 142, "Goodwill and
Other Intangible Assets" described in Note 3, and the adoption of Statement of
Financial Accounting Standards No. 143, "Accounting for Asset Retirement
Obligations" described in Note 3) and to the reference to us under the heading
"Experts" in the Prospectus, which is part of this Registration Statement.

/s/ Deloitte & Touche LLP

February 10, 2005