**Exhibit 21.1**

**SUBSIDIARIES OF RELIANT ENERGY, INC.AS OF FEBRUARY 27, 2007**
| **Subsidiary  Name**                             | ** ** | **Jurisdiction of Incorporation/Organization** |
|--------------------------------------------------|------------|------------------------------------------------|
|                                             |       |                                           |
| CapTrades GP, LLC*                               |       | Delaware                                       |
| Conemaugh Fuels, LLC*                            |       | Delaware                                       |
| Keystone Fuels, LLC*                             |       | Delaware                                       |
| Orion Power Atlantic, Inc.                       |       | Delaware                                       |
| Orion Power Capital, LLC                         |       | Delaware                                       |
| Orion Power Development Company, Inc.            |       | Delaware                                       |
| Orion Power Holdings, Inc.                       |       | Delaware                                       |
| Orion Power Marketing and Supply, Inc.           |       | Delaware                                       |
| Orion Power Midwest GP, Inc.                     |       | Delaware                                       |
| Orion Power Midwest LP, LLC                      |       | Delaware                                       |
| Orion Power Midwest, L.P.                        |       | Delaware                                       |
| Orion Power New York GP, Inc.                    |       | Delaware                                       |
| Orion Power New York LP, LLC                     |       | Delaware                                       |
| Orion Power New York, L.P.                       |       | Delaware                                       |
| Orion Power Operating Services MidWest, Inc.     |       | Delaware                                       |
| Orion Power Operating Services, Inc.             |       | Delaware                                       |
| RE Retail Receivables, LLC                       |       | Delaware                                       |
| Reliant Energy Asset Management, LLC             |       | Delaware                                       |
| Reliant Energy Broadband, Inc.                   |       | Delaware                                       |
| Reliant Energy California Holdings, LLC          |       | Delaware                                       |
| Reliant Energy CapTrades Holding Corp.           |       | Delaware                                       |
| Reliant Energy Channelview (Delaware) LLC        |       | Delaware                                       |
| Reliant Energy Channelview (Texas) LLC           |       | Delaware                                       |
| Reliant Energy Channelview LP                    |       | Delaware                                       |
| Reliant Energy Communications, Inc.              |       | Delaware                                       |
| Reliant Energy Coolwater, Inc.                   |       | Delaware                                       |
| Reliant Energy Corporate Services, LLC           |       | Delaware                                       |
| Reliant Energy Electric Solutions, LLC           |       | Delaware                                       |
| Reliant Energy Ellwood, Inc.                     |       | Delaware                                       |
| Reliant Energy Etiwanda, Inc.                    |       | Delaware                                       |
| Reliant Energy Florida, LLC                      |       | Delaware                                       |
| Reliant Energy IT Trust                          |       | Delaware                                       |
| Reliant Energy Key/Con Fuels, LLC                |       | Delaware                                       |
| Reliant Energy Mandalay, Inc.                    |       | Delaware                                       |
| Reliant Energy Mid-Atlantic Power Holdings, LLC  |       | Delaware                                       |
| Reliant Energy Mid-Atlantic Power Services, Inc. |       | Delaware                                       |
| Reliant Energy New Jersey Holdings, LLC          |       | Delaware                                       |
| Reliant Energy Northeast Generation, Inc.        |       | Delaware                                       |
| Reliant Energy Northeast Holdings, Inc.          |       | Delaware                                       |
| Reliant Energy Northeast Management Company      |       | Pennsylvania                                   |
| Reliant Energy Ormond Beach, Inc.                |       | Delaware                                       |
| Reliant Energy Power Generation, Inc.            |       | Delaware                                       |
| Reliant Energy Power Supply, LLC                 |       | Delaware                                       |
| Reliant Energy Retail Holdings, LLC              |       | Delaware                                       |
| Reliant Energy Retail Services, LLC              |       | Delaware                                       |
| Reliant Energy Sabine (Delaware), Inc.           |       | Delaware                                       |
| Reliant Energy Sabine (Texas), Inc.              |       | Delaware                                       |
| Reliant Energy Services Canada, Ltd.             |       | Canada                                         |
| Reliant Energy Services Channelview LLC          |       | Delaware                                       |
| Reliant Energy Services Desert Basin, LLC        |       | Delaware                                       |
| Reliant Energy Services Mid-Stream, LLC          |       | Delaware                                       |
| Reliant Energy Services, Inc.                    |       | Delaware                                       |
| Reliant Energy Seward, LLC                       |       | Delaware                                       |
| Reliant Energy Solutions East, LLC               |       | Delaware                                       |
| Reliant Energy Trademark Trust                   |       | Delaware                                       |
| Reliant Energy Trading Exchange, Inc.            |       | Delaware                                       |
| Reliant Energy Ventures, Inc.                    |       | Delaware                                       |
| Reliant Energy Wholesale (Europe) Holdings B.V.  |       | The Netherlands                                |
| Reliant Energy Wholesale Generation, LLC         |       | Delaware                                       |
| RERH Holdings, LLC                               |       | Delaware                                       |
| Sabine Cogen, LP*                                |       | Delaware                                       |

 

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*Indicates subsidiaries not wholly-owned either directly or indirectly.

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