[2] A few years later, in 1885, Fort Worth Electric Light and Power Company, another indirect TXU Energy predecessor, was founded and began servicing areas west of Dallas.

[4] In 1984, DP&L, TESCO, and TP&L merged as divisions of a new principal subsidiary, Texas Utilities Electric Company.

[6] On May 21, 1999, the Texas Legislature passed Senate Bill 7 (SB 7), which required the creation of a competitive retail electricity market.

TXU Energy was one of the first certified retail electricity providers to begin offering service at market open in 2002.

In 2007, through a private-equity acquisition led by KKR, TPG Capital and Goldman Sachs, TXU Corporation was acquired by Energy Future Holdings Corp.

[14] In addition, TXU Energy has sponsored other events such as the zoo's annual Gift of Grub campaign, which matches donations up to $50,000.