Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement of
Public Service Enterprise Group Incorporated and subsidiaries (the "Company") on
Form S-3 of our report dated February 17, 2004, appearing in the Company's
Annual Report on Form 10-K (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.

Deloitte & Touche LLP

/s/ Deloitte & Touche LLP

Parsippany, NJ
October 29, 2004