EXHIBIT 22.1
LIST OF GUARANTOR SUBSIDIARIES
As of December 31, 2024, the following subsidiaries of NRG Energy, Inc. were guarantors of the Company's outstanding registered senior notes of $821 million of the 2028 Senior Notes:
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| ENTITY NAME | | JURISDICTION |
| Ace Energy, Inc. | | New York |
| Allied Home Warranty GP LLC | | Delaware |
| Allied Warranty LLC | | Texas |
| APX Group, Inc. | | Delaware |
| Astoria Gas Turbine Power LLC | | Delaware |
| AWHR America's Water Heater Rentals, L.L.C. | | Delaware |
| Bounce Energy, Inc. | | Delaware |
| Cabrillo Power I LLC | | Delaware |
| Cabrillo Power II LLC | | Delaware |
| Cirro Energy Services, Inc. | | Texas |
| Cirro Group, Inc. | | Texas |
| CPL Retail Energy L.P. | | Delaware |
| Direct Energy Business, LLC | | Delaware |
| Direct Energy Connected Home US Inc. | | Delaware |
| Direct Energy GP, LLC | | Delaware |
| Direct Energy HoldCo GP LLC | | Delaware |
| Direct Energy Leasing, LLC | | Delaware |
| Direct Energy Marketing Inc. | | Delaware |
| Direct Energy Operations, LLC | | Delaware |
| Direct Energy Services, LLC | | Delaware |
| Direct Energy US Holdings Inc. | | Delaware |
| Direct Energy, LP | | Texas |
| Dunkirk Power LLC | | Delaware |
| Eastern Sierra Energy Company LLC | | California |
| El Segundo Power II LLC | | Delaware |
| El Segundo Power, LLC | | Delaware |
| Energy Alternatives Wholesale, LLC | | Delaware |
| Energy Choice Solutions LLC | | Texas |
| Energy Plus Holdings LLC | | Delaware |
| Energy Plus Natural Gas LLC | | Delaware |
| Everything Energy LLC | | Delaware |
| First Choice Power, LLC | | Texas |
| Forward Home Security, LLC | | Texas |
| Gateway Energy Services Corporation | | New York |
| GCP Funding Company, LLC | | Delaware |
| Green Mountain Energy Company | | Delaware |
| Home Warranty Holdings Corp. | | Delaware |
| | | | | | | | |
| Huntley Power LLC | | Delaware |
| Independence Energy Alliance LLC | | Delaware |
| Independence Energy Group LLC | | Delaware |
| Independence Energy Natural Gas LLC | | Delaware |
| Indian River Operations Inc. | | Delaware |
| Indian River Power LLC | | Delaware |
| Meriden Gas Turbines LLC | | Delaware |
| NEO Corporation | | Minnesota |
| New Genco GP, LLC | | Delaware |
| Norwalk Power LLC | | Delaware |
| NRG Affiliate Services Inc. | | Delaware |
| NRG Arthur Kill Operations Inc. | | Delaware |
| NRG Business Marketing LLC | | Delaware |
| NRG Cabrillo Power Operations Inc. | | Delaware |
| NRG California Peaker Operations LLC | | Delaware |
| NRG Cedar Bayou Development Company, LLC | | Delaware |
| NRG Construction LLC | | Delaware |
| NRG Controllable Load Services LLC | | Delaware |
| NRG Curtailment Solutions, Inc. | | New York |
| NRG Dispatch Services LLC | | Delaware |
| NRG Distributed Energy Resources Holdings LLC | | Delaware |
| NRG Distributed Generation PR LLC | | Delaware |
| NRG Dunkirk Operations Inc. | | Delaware |
| NRG ECOKAP Holdings LLC | | Delaware |
| NRG El Segundo Operations Inc. | | Delaware |
| NRG Energy Services Group LLC | | Delaware |
| NRG Energy Services LLC | | Delaware |
| NRG Generation Holdings Inc. | | Delaware |
| NRG Home & Business Solutions LLC | | Delaware |
| NRG Home Services LLC | | Texas |
| NRG Home Solutions LLC | | Delaware |
| NRG Home Solutions Product LLC | | Delaware |
| NRG Homer City Services LLC | | Delaware |
| NRG HQ DG LLC | | Delaware |
| NRG Huntley Operations Inc. | | Delaware |
| NRG Identity Protect LLC | | Delaware |
| NRG International LLC | | Delaware |
| NRG Maintenance Services LLC | | Delaware |
| NRG Mextrans Inc. | | Delaware |
| NRG Norwalk Harbor Operations Inc. | | Delaware |
| NRG Operating Services, Inc. | | Delaware |
| NRG Portable Power LLC | | Delaware |
| NRG Protects Inc. (IL) | | Illinois |
| | | | | | | | |
| NRG Reliability Solutions LLC | | Delaware |
| NRG Retail LLC | | Delaware |
| NRG Rockford Acquisition LLC | | Delaware |
| NRG Saguaro Operations Inc. | | Delaware |
| NRG Security LLC | | Delaware |
| NRG SimplySmart Solutions LLC | | Delaware |
| NRG Texas Gregory LLC | | Delaware |
| NRG Texas Holding Inc. | | Delaware |
| NRG Texas LLC | | Delaware |
| NRG Texas Power LLC | | Delaware |
| NRG VPP LLC | | Delaware |
| NRG Warranty Services LLC | | Delaware |
| NRG West Coast LLC | | Delaware |
| NRG Western Affiliate Services Inc. | | Delaware |
| Reliant Energy Northeast LLC | | Delaware |
| Reliant Energy Power Supply, LLC | | Delaware |
| Reliant Energy Retail Holdings, LLC | | Delaware |
| Reliant Energy Retail Services, LLC | | Delaware |
| RERH Holdings, LLC | | Delaware |
| RSG Holding Corp. | | Delaware |
| Saguaro Power LLC | | Delaware |
| SGE Energy Sourcing, LLC | | Delaware |
| SGE Texas Holdco, LLC | | Texas |
| Smart Home Pros, Inc. | | Utah |
| Somerset Operations Inc. | | Delaware |
| Somerset Power LLC | | Delaware |
| Stream Energy Columbia, LLC | | Delaware |
| Stream Energy Delaware, LLC | | Delaware |
| Stream Energy Illinois, LLC | | Delaware |
| Stream Energy Maryland, LLC | | Delaware |
| Stream Energy New Jersey, LLC | | Delaware |
| Stream Energy New York, LLC | | Delaware |
| Stream Energy Pennsylvania, LLC | | Delaware |
| Stream Georgia Gas SPE, LLC | | Georgia |
| Stream Ohio Gas & Electric, LLC | | Ohio |
| Stream SPE GP, LLC | | Texas |
| Stream SPE, Ltd. | | Texas |
| Texas Genco GP, LLC | | Texas |
| Texas Genco Holdings, Inc. | | Texas |
| Texas Genco LP, LLC | | Delaware |
| Texas Genco Services, LP | | Texas |
| US Retailers LLC | | Delaware |
| Vienna Operations Inc. | | Delaware |
| | | | | | | | |
| Vienna Power LLC | | Delaware |
| Vivint Amigo, Inc. | | Delaware |
| Vivint Group LLC | | Delaware |
| Vivint LLC | | Utah |
| Vivint Louisiana LLC | | Louisiana |
| Vivint Purchasing, LLC | | Utah |
| Vivint Smart Home, Inc. | | Delaware |
| Vivint VI Holdings, LLC | | Delaware |
| Vivint Warranty and Home Insurance, LLC | | Delaware |
| WCP (Generation) Holdings LLC | | Delaware |
| West Coast Power LLC | | Delaware |
| WTU Retail Energy L.P. | | Delaware |
| XOOM Alberta Holdings, LLC | | Delaware |
| XOOM British Columbia Holdings, LLC | | Delaware |
| XOOM Energy California, LLC | | California |
| XOOM Energy Connecticut, LLC | | Connecticut |
| XOOM Energy Delaware, LLC | | Delaware |
| XOOM Energy Georgia, LLC | | Georgia |
| XOOM Energy Global Holdings, LLC | | Delaware |
| XOOM Energy Illinois LLC | | Illinois |
| XOOM Energy Indiana, LLC | | Indiana |
| XOOM Energy Kentucky, LLC | | Kentucky |
| XOOM Energy Maine, LLC | | Maine |
| XOOM Energy Maryland, LLC | | Maryland |
| XOOM Energy Massachusetts, LLC | | Massachusetts |
| XOOM Energy Michigan, LLC | | Michigan |
| XOOM Energy New Hampshire, LLC | | New Hampshire |
| XOOM Energy New Jersey, LLC | | New Jersey |
| XOOM Energy New York, LLC | | New York |
| XOOM Energy Ohio, LLC | | Ohio |
| XOOM Energy Pennsylvania, LLC | | Pennsylvania |
| XOOM Energy Rhode Island, LLC | | Rhode Island |
| XOOM Energy Texas, LLC | | Texas |
| XOOM Energy Virginia, LLC | | Virginia |
| XOOM Energy Washington D.C., LLC | | District of Columbia |
| XOOM Energy, LLC | | Delaware |
| XOOM Ontario Holdings, LLC | | Delaware |
| XOOM Solar, LLC | | Delaware |
