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Exhibit 21.1
 SUBSIDIARIES OF RELIANT ENERGY, INC.
AS OF FEBRUARY 26, 2008
 Subsidiary Name
    
    Jurisdiction of Incorporation/OrganizationConemaugh Fuels, LLC*
    
    DelawareKeystone Fuels, LLC*
    
    DelawareOrion Power Atlantic, Inc.
    
    DelawareOrion Power Capital, LLC
    
    DelawareOrion Power Development Company, Inc.
    
    DelawareOrion Power Holdings, Inc.
    
    DelawareOrion Power Marketing and Supply, Inc.
    
    DelawareOrion Power Midwest GP, Inc.
    
    DelawareOrion Power Midwest LP, LLC
    
    DelawareOrion Power Midwest, L.P.
    
    DelawareOrion Power New York GP, Inc.
    
    DelawareOrion Power New York LP, LLC
    
    DelawareOrion Power New York, L.P.
    
    DelawareOrion Power Operating Services MidWest, Inc.
    
    DelawareOrion Power Operating Services, Inc.
    
    DelawareRE Retail Receivables, LLC
    
    DelawareReliant Energy Asset Management, LLC
    
    DelawareReliant Energy Broadband, Inc.
    
    DelawareReliant Energy California Holdings, LLC
    
    DelawareReliant Energy Channelview (Delaware) LLC
    
    DelawareReliant Energy Channelview (Texas) LLC
    
    DelawareReliant Energy Channelview LP
    
    DelawareReliant Energy Communications, Inc.
    
    DelawareReliant Energy Coolwater, Inc.
    
    DelawareReliant Energy Corporate Services, LLC
    
    DelawareReliant Energy Electric Solutions, LLC
    
    DelawareReliant Energy Ellwood, Inc.
    
    DelawareReliant Energy Etiwanda, Inc.
    
    DelawareReliant Energy Florida, LLC
    
    DelawareReliant Energy IT Trust
    
    DelawareReliant Energy Key/Con Fuels, LLC
    
    DelawareReliant Energy Mandalay, Inc.
    
    DelawareReliant Energy Mid-Atlantic Power Holdings, LLC
    
    DelawareReliant Energy Mid-Atlantic Power Services, Inc.
    
    DelawareReliant Energy New Jersey Holdings, LLC
    
    DelawareReliant Energy Northeast Generation, Inc.
    
    DelawareReliant Energy Northeast Holdings, Inc.
    
    DelawareReliant Energy Northeast Management Company
    
    PennsylvaniaReliant Energy Ormond Beach, Inc.
    
    DelawareReliant Energy Power Generation, Inc.
    
    DelawareReliant Energy Power Supply, LLC
    
    DelawareReliant Energy Retail Holdings, LLC
    
    DelawareReliant Energy Retail Services, LLC
    
    DelawareReliant Energy Sabine (Delaware), Inc.
    
    DelawareReliant Energy Sabine (Texas), Inc.
    
    DelawareReliant Energy Services Canada, Ltd.
    
    CanadaReliant Energy Services Channelview LLC
    
    DelawareReliant Energy Services Desert Basin, LLC
    
    DelawareReliant Energy Services Mid-Stream, LLC
    
    DelawareReliant Energy Services, Inc.
    
    DelawareReliant Energy Seward, LLC
    
    DelawareReliant Energy Solutions East, LLC
    
    DelawareReliant Energy Solutions Northeast, LLC
    
    DelawareReliant Energy Trademark Trust
    
    DelawareReliant Energy Trading Exchange, Inc.
    
    DelawareReliant Energy Ventures, Inc.
    
    DelawareReliant Energy Wholesale (Europe) Holdings B.V.
    
    The NetherlandsReliant Energy Wholesale Generation, LLC
    
    DelawareRERH Holdings, LLC
    
    DelawareSabine Cogen, LP*
    
    DelawareSan Gabriel Power Generation, LLC
    
    Delaware