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EX-31.1 - EX-31.1 - NRG ENERGY, INC.y84225exv31w1.htm
EX-31.3 - EX-31.3 - NRG ENERGY, INC.y84225exv31w3.htm
10-K/A - 10-K/A - NRG ENERGY, INC.y84225e10vkza.htm
EXHIBIT 31.2
CERTIFICATION
I, Gerald Luterman, certify that:
     1. I have reviewed this Amendment No. 1 on Form 10-K/A of NRG Energy, Inc.; and
     2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.
         
     
  /s/ Gerald Luterman    
  Gerald Luterman   
  Chief Financial Officer
(Principal Financial Officer)
 
 
 
Date: April 30, 2010