EXHIBIT 21


                  PUBLIC SERVICE ENTERPRISE GROUP INCORPORATED

                            SIGNIFICANT SUBSIDIARIES



                                                                    Ownership                State of
                           Name                                         %                  Incorporation
- ------------------------------------------------------------    ------------------      --------------------
                                                                                                
Public Service Electric and Gas Company.....................           100                  New Jersey
Enterprise Diversified Holdings Incorporated................           100                  New Jersey



     The remaining  subsidiaries of Public Service Enterprise Group Incorporated
are not significant subsidiaries as defined in Regulation S-X.