TXU Energy
Texas retail electricity provider serving residential and business customers in deregulated areas.
Last updated November 4, 2026
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Overview
TXU Energy is an American retail electricity brand headquartered in Irving, Texas. It supplies electricity to residential and commercial customers in parts of Texas where customers can choose a retail electricity provider. The company is one of the largest retail electricity providers in the state and operates within the market structure created by Texas electricity deregulation. The brand’s corporate heritage reaches back to the early electric utilities that served North Texas. Dallas Electric Lighting Company began supplying electric light in Dallas in 1882, while Fort Worth Electric Light and Power Company was established in 1885. Later successor utilities included Texas Power & Light, Dallas Power & Light, and Texas Electric Service Company. In 1984, Dallas Power & Light, Texas Electric Service Company, and Texas Power & Light were combined as divisions of Texas Utilities Electric Company, creating the organizational foundation from which the TXU businesses developed. The corporate group adopted the TXU name in 1999 as it pursued a broader energy strategy. Texas Senate Bill 7, passed in 1999, required the creation of a competitive retail electricity market. When the Texas market opened to competition in 2002, TXU Energy was among the first certified retail electricity providers to offer service. At that time, the wider TXU structure separated retail supply, electricity delivery, and wholesale generation into distinct businesses. TXU Energy handled retail customer relationships and electricity plans, TXU Electric Delivery operated as a transmission and distribution business, and TXU Power represented the wholesale generation operation. In 2007, TXU Corporation was acquired in a leveraged private-equity transaction led by Kohlberg Kravis Roberts, TPG Capital, and Goldman Sachs. The transaction created Energy Future Holdings, while the retail brand continued using the TXU Energy name. Other parts of the former TXU structure were rebranded: the generation business became Luminant and the delivery utility became Oncor. This distinction remains important because TXU Energy sells electricity plans but does not own the wires and infrastructure responsible for local delivery in the deregulated market. Energy Future Holdings entered bankruptcy in 2014. In 2016, TXU Energy and certain related businesses emerged through a court-approved reorganization under Texas Competitive Electric Holdings. The reorganized parent later adopted the name Vistra Energy, and Vistra began trading on the New York Stock Exchange in 2017. TXU Energy subsequently became part of Vistra Corp.’s retail energy portfolio while retaining its established consumer-facing identity. TXU Energy’s offerings generally include fixed-rate and other retail electricity plans, renewable or environmentally oriented options where available, billing and account-management services, and programs designed for residential and small-business customers. Availability, pricing, contract terms, renewable content, and eligibility can vary by location and by the rules of the applicable Texas market. As a retail provider, the brand operates in a sector shaped by the Public Utility Commission of Texas, wholesale power conditions, weather-related demand, customer-protection rules, and the separation between retail providers, generators, and transmission and distribution utilities. Beyond electricity sales, TXU Energy has maintained community and conservation programs. TXU Energy Aid, established in 1983, provides assistance to customers who cannot afford their electricity bills through customer and employee donations. The company has also partnered with the Texas Trees Foundation on tree planting and urban forestry through its Committed to Community Growth program, and it has supported Houston Zoo initiatives including Chill Out and Zoo Lights. These activities form part of the brand’s community positioning in Texas. TXU Energy has also faced regulatory and legal scrutiny. Matters h…
History
The roots of TXU Energy’s business lie in the development of electric utilities in North Texas. Dallas Electric Lighting Company began providing electric light in Dallas in 1882. Fort Worth Electric Light and Power Company followed in 1885, serving Fort Worth and areas west of Dallas. These early utilities were among the predecessors of the companies that later became associated with the TXU corporate family. During the following decades, several regional electricity companies were established or consolidated. The principal direct predecessors were Texas Power & Light, Dallas Power & Light, and Texas Electric Service Company. Their territories broadly covered Dallas, Fort Worth, and areas extending westward. In 1984, Dallas Power & Light, Texas Electric Service Company, and Texas Power & Light were merged as divisions of Texas Utilities Electric Company. This structure became the principal platform for the later TXU organization. In 1999, the company adopted the TXU name as it sought to operate as a multinational energy company. It expanded beyond North America for a period, but discontinued its operations outside North America in 2002. The same period brought a fundamental change to the Texas electricity sector. Texas Senate Bill 7, enacted on May 21, 1999, established the framework for a competitive retail electricity market. When the market opened in 2002, TXU Energy became one of the first certified retail electricity providers. The deregulated model separated retail supply from delivery and generation. TXU Energy became the retail provider responsible for plans, customer accounts, and electricity sales. TXU Electric Delivery represented the transmission and distribution function, while TXU Power represented wholesale generation. The delivery business later became Oncor and the generation business became Luminant, leaving TXU Energy as the consumer-facing retail brand. In 2007, TXU Corporation was acquired by an investor group led by KKR, TPG Capital, and Goldman Sachs. The acquisition produced Energy Future Holdings. TXU Energy retained its name, although the broader corporate structure changed substantially. The transaction occurred amid controversy surrounding TXU’s proposed construction of coal-fired power plants in Texas. The prospective owners agreed to cancel eight of the eleven proposed plants, although environmental groups continued to criticize the remaining projects and the wider coal strategy. Energy Future Holdings entered bankruptcy on April 29, 2014. After a lengthy restructuring, certain subsidiaries, including TXU Energy and Luminant, emerged in October 2016 under Texas Competitive Electric Holdings. Curt Morgan was announced as chief executive of the reorganized company. Later in 2016, the parent adopted the name Vistra Energy. Vistra began trading on the New York Stock Exchange on May 10, 2017, and TXU Energy became part of Vistra’s continuing retail energy operations. TXU Energy has developed a substantial community and conservation presence alongside its retail business. TXU Energy Aid, which began in 1983, supports customers who cannot afford electricity service through donations from customers and employees. The company has also worked with the Texas Trees Foundation through its Committed to Community Growth program. That partnership has included the TXU Energy Urban Tree Farm and Education Center at Richland College and tree planting across Texas. TXU Energy has additionally supported Houston Zoo programs, including Chill Out, Zoo Lights, and the Gift of Grub campaign. The company and related entities have been involved in regulatory and legal proceedings. In 2005, the United States Court of Appeals for the Fifth Circuit affirmed dismissal of a Texas Commercial Energy lawsuit alleging market manipulation by TXU and other participants; the court held that the claims were barred by the filed-rate doctrine. In 2007, TXU Energy settled a regulatory investigation involving certain business-customer renewal practices without admitting a rule violation. In 2024, TXU Energy Retail Company LLC agreed to a $91,500 settlement concerning alleged violations of Texas customer-protection requirements. TXU Energy continues to operate as an active retail electricity provider in deregulated areas of Texas.
- 2017
Vistra lists on the NYSE
[1]Vistra Energy began trading on the New York Stock Exchange, providing the reorganized parent with a public listing.
- 2016
TXU Energy emerges from restructuring
[1]TXU Energy and related entities emerged under Texas Competitive Electric Holdings, which later became Vistra Energy.
- 2014
Parent company enters bankruptcy
[1]Energy Future Holdings filed for bankruptcy, affecting the corporate parent of TXU Energy.
- 2007
Energy Future Holdings created
[1]TXU Corporation was acquired by a private-equity consortium and became part of Energy Future Holdings.
- 2002
TXU Energy enters competitive retail market
[1]TXU Energy began offering retail electricity service when the deregulated Texas market opened.
- 1999
TXU corporate name adopted
[1]The company was renamed TXU Corp. as it pursued a broader multinational energy strategy.
- 1999
Texas deregulation legislation enacted
[1]Texas Senate Bill 7 established the framework for a competitive retail electricity market.
- 1984
North Texas utilities consolidated
[1]Dallas Power & Light, Texas Electric Service Company, and Texas Power & Light were combined as divisions of Texas Utilities Electric Company.
- 1885
Fort Worth predecessor founded
[1]Fort Worth Electric Light and Power Company was founded and began serving Fort Worth and nearby areas.
- 1882
Dallas electric-light service begins
[1]Dallas Electric Lighting Company, an indirect predecessor, began providing electric light service in Dallas.
Products and positioning
A large, established Texas retail electricity provider combining electricity plans with customer services, assistance programs, and community-oriented initiatives.
Retail electricity · 2002
Residential electricity plans
Electricity supply plans for households in eligible deregulated areas of Texas. Plans may differ by contract length, rate structure, renewable content, billing terms, and eligibility. TXU Energy manages the retail relationship and account, while the local transmission and distribution utility remains responsible for delivering power over the grid.
Commercial electricity · 2002
Business electricity plans
Retail electricity offerings for commercial customers, including small and medium businesses. The business customer selects a retail provider and plan, while delivery continues through the regulated transmission and distribution infrastructure. Contract renewal practices for some business plans were the subject of a 2007 regulatory settlement.
Renewable electricity
Renewable electricity options
Environmentally oriented electricity plans or options offered to eligible Texas customers. Their precise structure and renewable content can vary by plan and market availability. These offerings complement TXU Energy’s wider conservation and community initiatives.
Customer assistance · 1983
TXU Energy Aid
A customer-assistance program established in 1983 to help people who cannot afford electricity service. Funding is raised through donations from TXU Energy employees and customers and is directed toward energy-bill assistance for qualifying customers.
Controversies
2006
Coal-plant expansion controversy
TXU Corp. faced criticism from environmental groups, lawmakers, and industry observers over plans for a large expansion of coal-fired generation in Texas. After the 2007 acquisition, prospective owners agreed to cancel eight of the eleven proposed plants, while opposition to remaining projects continued.
Marketing campaigns
- 2011Houston Zoo Chill Out sponsorship
Houston, Texas
TXU Energy became presenting sponsor of the Houston Zoo’s Chill Out program and supported the zoo’s public conservation and visitor activities.
Outcome. Long-term local sponsorship
- 1983TXU Energy Aid
Texas
TXU Energy Aid supports customers who lack the means to pay their electricity bills, using employee and customer donations.
Outcome. Long-running customer-assistance program
- Committed to Community Growth
Texas
A partnership with the Texas Trees Foundation focused on urban forestry, tree planting, volunteer activity, and community environmental education.
Outcome. Ongoing community and conservation initiative
- Houston Zoo seasonal and donation initiatives
Houston, Texas
TXU Energy supported Houston Zoo Lights and the Gift of Grub campaign, including a matching-donation component for the latter.
Outcome. Community sponsorship and fundraising support
Brand decisions
2016
Reorganize under Texas Competitive Electric HoldingsStrategyBackground
Energy Future Holdings entered bankruptcy in 2014 and underwent court-supervised restructuring.
Action taken
TXU Energy and related subsidiaries emerged from reorganization under Texas Competitive Electric Holdings, which later changed its name to Vistra Energy.
Aftermath
TXU Energy continued as a retail brand within the reorganized Vistra business.
2007
Accept acquisition by private-equity consortiumM&ABackground
TXU Corporation pursued a private-equity transaction during controversy over its proposed coal-generation expansion.
Action taken
KKR, TPG Capital, and Goldman Sachs acquired TXU Corporation, creating Energy Future Holdings.
Aftermath
TXU Energy retained its name, while TXU Power became Luminant and TXU Electric Delivery became Oncor.
2002
Launch retail operations after Texas deregulationStrategyBackground
Texas Senate Bill 7 created a competitive retail electricity market, separating retail supply from regulated delivery and wholesale generation.
Action taken
TXU Energy became one of the first certified retail electricity providers to offer service when the market opened.
Aftermath
The brand became a major participant in the Texas retail electricity market.
Recent events
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