EXHIBIT 21
PUBLIC SERVICES ENTERPRISE GROUP INCORPORATED
SIGNIFICANT SUBSIDIARIES
Name
Ownership %
State of Incorporation
Public Service Electric and Gas Company
100
New Jersey
PSEG Power LLC
100
Delaware
PSEG Nuclear LLC
100
Delaware
PSEG Energy Resources & Trade LLC
100
Delaware
The remaining subsidiaries of Public Service Enterprise Group Incorporated are not significant as defined in Regulation S-X.