Exhibit 21(a)
ENERGY FUTURE HOLDINGS CORP.
SUBSIDIARY HIERARCHY
Effective February 15, 2016
Jurisdiction | |
Energy Future Holdings Corp. | Texas |
Energy Future Competitive Holdings Company LLC | Delaware |
Texas Competitive Electric Holdings Company LLC | Delaware |
TCEH Finance, Inc. | Delaware |
Generation MT Company LLC | Delaware |
Luminant Holding Company LLC | Delaware |
Luminant Energy Company LLC | Texas |
Luminant ET Services Company | Texas |
Luminant Energy Trading California Company | Texas |
Luminant Generation Company LLC | Texas |
Nuclear Energy Future Holdings LLC | Delaware |
Nuclear Energy Future Holdings II LLC | Delaware |
Comanche Peak Nuclear Power Company LLC | Delaware |
Valley NG Power Company LLC | Texas |
Luminant Renewables Company LLC | Texas |
Generation SVC Company | Texas |
Big Brown 3 Power Company LLC | Texas |
Big Brown Power Company LLC | Texas |
Collin Power Company LLC | Delaware |
DeCordova Power Company LLC | Texas |
DeCordova II Power Company LLC | Delaware |
Eagle Mountain Power Company LLC | Delaware |
Lake Creek 3 Power Company LLC | Texas |
Martin Lake 4 Power Company LLC | Texas |
Monticello 4 Power Company LLC | Texas |
Morgan Creek 7 Power Company LLC | Texas |
Oak Grove Management Company LLC | Delaware |
Oak Grove Power Company LLC | Texas |
Sandow Power Company LLC | Texas |
Tradinghouse 3 & 4 Power Company LLC | Texas |
Tradinghouse Power Company LLC | Texas |
Valley Power Company LLC | Texas |
Big Brown Lignite Company LLC | Texas |
Luminant Big Brown Mining Company LLC | Texas |
Luminant Mining Company LLC | Texas |
Oak Grove Mining Assets LLC | Texas |
Oak Grove Mining Company LLC | Texas |
Luminant Mineral Development Company LLC | Texas |
NCA Resources Development Company LLC | Texas |
Greenway Development Holding Company LLC | Delaware |
TXU Energy Receivables Company LLC | Delaware |
TXU Energy Retail Company LLC | Texas |
TXU Retail Services Company | Delaware |
TXU Energy Solutions Company LLC | Texas |
TXU SEM Company | Delaware |
4Change Energy Holdings LLC | Texas |
4Change Energy Company | Texas |
Brighten Holdings LLC | Delaware |
Brighten Energy LLC | Delaware |
Energy Future Intermediate Holding Company LLC | Delaware |
EFIH Finance Inc. | Delaware |
Oncor Electric Delivery Holdings Company LLC | Delaware |
Oncor Electric Delivery Company LLC (1) | Delaware |
Oncor Management Investment LLC (2) | Delaware |
Oncor Electric Delivery Transition Bond Company LLC | Delaware |
Oncor Electric Delivery Administration Corp. | Texas |
Oncor License Holdings Company LLC | Texas |
Oncor Communications Holdings Company LLC | Delaware |
EFH Renewables Company LLC | Delaware |
EFH Corporate Services Company | Texas |
EFH CG Management Company LLC | Texas |
Generation Development Company LLC | Delaware |
NCA Development Company LLC | Texas |
EFH Properties Company | Texas |
Basic Resources Inc. | Texas |
TXU Receivables Company | Delaware |
EFH Vermont Insurance Company | Vermont |
LSGT Gas Company LLC | Texas |
LSGT SACROC, Inc. | Texas |
Humphreys & Glasgow Limited | United Kingdom |
EEC Holdings, Inc | Nevada |
EECI, Inc. | Nevada |
Ebasco Services of Canada, Ltd | Canada |
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(1) | 80.033% ownership interest |
(2) | Oncor Management Investment LLC owns 0.217% of Oncor Electric Delivery Company LLC. Regarding the ownership of Oncor Management Investment LLC, Oncor Electric Delivery Company LLC owns 100% of the Class A membership interests. Certain management employees of Oncor Electric Delivery Company LLC own 100% of the Class B membership interests. |