<DOCUMENT>
<TYPE>EX-21.1
<SEQUENCE>23
<FILENAME>c68219ex21-1.txt
<DESCRIPTION>SUBSIDIARIES OF EXELON CORPORATION
<TEXT>
<PAGE>
                                                                    EXHIBIT 21-1
Subsidiaries of Exelon Corporation

                                                                 Jurisdiction of
Subsidiary                                                       Incorporation
--------------------------------------------------------------------------------
Commonwealth Edison Company                                      Illinois
Exelon Energy Delivery Company, LLC                              Delaware
Exelon Generation Company, LLC                                   Pennsylvania
Exelon Ventures Company, LLC                                     Delaware
PECO Energy Company                                              Pennsylvania


</TEXT>
</DOCUMENT>