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                                                                    EXHIBIT 4.5b


SCHEDULE IDENTIFYING SUBSTANTIALLY IDENTICAL AGREEMENTS TO PARTICIPATION
AGREEMENT CONSTITUTING EXHIBIT 4.5a HERETO

1.  Participation Agreement dated as of August 24, 2000 among Keystone Genco
LLC, as Owner Lessor, Reliant Energy Mid-Atlantic Power Holding, LLC, as
Facility Lessee, Wilmington Trust Company, as Lessor Manager, PSEGR Keystone
Generation, LLC, as Owner Participant, Bankers Trust Company, as Lease Indenture
Trustee, and Bankers Trust Company, as Pass Through Trustee

2.  Participation Agreement dated as of August 24, 2000 among Shawville Lessor
Genco LLC, as Owner Lessor, Reliant Energy Mid-Atlantic Power Holding, LLC, as
Facility Lessee, Wilmington Trust Company, as Lessor Manager, PSEGR Shawville
Generation, LLC, as Owner Participant, Bankers Trust Company, as Lease Indenture
Trustee, and Bankers Trust Company, as Pass Through Trustee