1
                                                                    EXHIBIT 4.7b



SCHEDULE IDENTIFYING SUBSTANTIALLY IDENTICAL AGREEMENTS TO PLEDGE AND SECURITY
AGREEMENT CONSTITUTING EXHIBIT 4.7a HERETO


1. Pledge and Security Agreement dated as of August 24, 2000 from Reliant Energy
Mid-Atlantic Power Holdings, LLC, Reliant Energy Northeast Management Company,
Reliant Energy Maryland Holdings, LLC, Reliant Energy New Jersey Holdings, LLC
and Reliant Energy Mid-Atlantic Power Services, Inc., as pledgors, to Keystone
Lessor Genco LLC, assigned from Keystone Lessor Genco LLC to Bankers Trust
Company

2. Pledge and Security Agreement dated as of August 24, 2000 from Reliant Energy
Mid-Atlantic Power Holdings, LLC, Reliant Energy Northeast Management Company,
Reliant Energy Maryland Holdings, LLC, Reliant Energy New Jersey Holdings, LLC
and Reliant Energy Mid-Atlantic Power Services, Inc., as pledgors, to Shawville
Lessor Genco LLC, assigned from Shawville Lessor Genco LLC to Bankers Trust
Company