<DOCUMENT>
<TYPE>EX-10.22.(B)
<SEQUENCE>74
<FILENAME>dex1022b.txt
<DESCRIPTION>SCHEDULE IDENTIFYING SUBSTANTIALLY IDENTICAL AGMT
<TEXT>

<PAGE>

                                                                Exhibit 10.22(b)


Guaranty Agreement (Morgantown L2) between Southern Energy, Inc. and Morgantown
OL2 LLC dated as of December 19, 2000

Guaranty Agreement (Morgantown L3) between Southern Energy, Inc. and Morgantown
OL3 LLC dated as of December 19, 2000

Guaranty Agreement (Morgantown L4) between Southern Energy, Inc. and Morgantown
OL4 LLC dated as of December 19, 2000

Guaranty Agreement (Morgantown L5) between Southern Energy, Inc. and Morgantown
OL5 LLC dated as of December 19, 2000

Guaranty Agreement (Morgantown L6) between Southern Energy, Inc. and Morgantown
OL6 LLC dated as of December 19, 2000

Guaranty Agreement (Morgantown L7) between Southern Energy, Inc. and Morgantown
OL7 LLC dated as of December 19, 2000
</TEXT>
</DOCUMENT>