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                                                                   EXHIBIT 10.5b

SCHEDULE IDENTIFYING SUBSTANTIALLY IDENTICAL AGREEMENTS TO TRANSITION POWER
PURCHASE AGREEMENT CONSTITUTING EXHIBIT 10.5a HERETO

1.       Amended and Restated Transition Power Purchase Agreement by and among
         Sithe Energies, Inc., Sithe Pennsylvania Holdings LLC, Sithe Maryland
         Holdings LLC, Sithe Power Marketing, L.P. and Pennsylvania Electric
         Company dated as of November 24, 1999