In 2007, a group of investors including Kohlberg Kravis Roberts, TPG Capital, and Goldman Sachs Capital Partners acquired TXU Corporation for $45 billion and formed EFH. EFH is composed of two parts – Energy Competitive Electric Holdings (EFCH) which includes TXU Energy and Luminant; and Energy Future Intermediate Holdings which includes 80.33% of a ring-fenced Oncor.

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