Exhibit 31(d)

|CERTIFICATION                                                                                                        
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|I, JAMES E. ABEL, the principal financial officer
        of PPL Energy Supply, LLC (the "registrant"), certify that:
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|1.                                                                                                                   
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|2.                                                                                                                   
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|3.                                                                                                                   
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|4.                                                                                                                   
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|5.                                                                                                                   
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|Date: August 6, 2004                                                                                                 
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