Member Companies

Calpine

Calpine Corporation is America’s largest generator of electricity from natural gas and geothermal resources with robust commercial, industrial and residential retail operations in key competitive power markets. Founded in 1984, we use advanced technologies to generate power in an efficient, cost-effective and environmentally responsible manner. Calpine is headquartered in Houston Texas.  

Exelon

Exelon is one of the largest competitive U.S. power generators, with more than 32,700 megawatts of nuclear, gas, wind, solar and hydroelectric generating capacity comprising one of the nation’s cleanest and lowest-cost power generation fleets. Exelon’s Constellation business unit provides energy products and services to approximately 2 million residential, public sector and business customers, including more than two-thirds of the Fortune 100.

Luminant

Vistra Corp. owns Luminant, a competitive power generation business, including mining, wholesale marketing and trading, and development operations. Luminant has more than 18,300 megawatts of generation in Texas, powered by a diverse portfolio of natural gas, nuclear, coal, solar, and battery storage facilities. In addition, TXU Energy is a retail electric provider that is also a subsidiary of Vistra Corp.. Luminant is headquartered in Irving, Texas.

NRG

NRG owns generation as well as several retail electric providers (REPs) and operates in Texas as well as around the world. Its affiliates provide demand response services as well as energy efficiency and other load control management tools. NRG’s generation portfolio includes natural gas, coal, nuclear, and renewable resources. Generation facilities are located in the northeast, Texas, Louisiana, Nevada, California, and Illinois as well as in Turkey, Guam, and Australia. NRG is headquartered in Houston, Texas as well as Princeton, New Jersey.

Shell Energy North America (US), L.P.

Shell Energy, an indirect subsidiary of Royal Dutch Shell, is an energy marketer and trader. With regional offices throughout the US and Canada, Shell Energy and its subsidiaries trade and market natural gas, power, environmental and risk management products in North and South America. It has affiliates that market and trade the same commodities in other parts of the world. Shell Energy’s customers include local gas distribution companies, electric utilities, independent power producers, energy retailers, oil and gas producers, municipalities, rural electric cooperatives, and large commercial and industrial users. Its commercial activities in the electric markets include full requirements service to electric utilities, natural gas and electric supply for competitive retail suppliers and a variety of services and products for electric generators, such as natural gas supply, energy and asset management transactions, tolling arrangements with terms as long as 20 years and power purchase arrangements to support merchant renewable facility development, such as wind, solar farms and battery storage. Shell acquired MP2, a demand response and retail electric provider, and maintained its headquarters in The Woodlands, Texas.

Talen Energy

Talen Energy is one of the largest privately-owned independent power generation infrastructure companies in North America. It generates and sells electricity, capacity and related products from a fleet of power plants that use diverse fuel sources including zero-carbon nuclear, clean and flexibly dispatched natural gas, and efficient, resilient coal with various facilities possessing fuel switching capabilities. Talen has power generation assets, coupled with retail operations and commercial capabilities, that empower it to grow its platform and create value across multiple markets and customers.

Tenaska

With offices and power plants across the United States and Canada, Tenaska affiliates provide the following services: independent power plant development, ownership and operations; natural gas and electric power marketing; energy risk management; asset acquisition and electric transmission systems management and development. The company has: $3.7 billion in total assets; completed over 10,000 MW in power plant development; ~58,000 MW in energy management service contracts; 6,804 MW in managed plant capacity; and sells or manages ~9.5 BCF/day of natural gas throughout the United States. Power marketing affiliate Tenaska Power Services Co. is headquartered in Arlington, Texas and Tenaska’s Strategic Development & Acquisitions Group and natural gas marketing affiliate, Tenaska Marketing Ventures, have regional offices in Arlington. Tenaska has developed 17 power plants, including its very first in Paris, Texas. A plant in Oklahoma also is also capable of serving Texas’ ERCOT market.

EDF Energy North America

EDF Energy North America (EDF Energy NA) offers a full range of structured solutions — energy supply, transportation, risk management products and technology — to help customers optimize their energy assets and successfully compete in the marketplace.

As one of the top providers of generation services to third-party power stations in North America we provide energy management solutions, natural gas supply and real-time desk services to power generators across the United States. Retail energy aggregators, with footprints across the deregulated markets, trust us to provide wholesale market supply and ISO interface services. Our Retail Supply and Services arm offers a complete suite of services to commercial and industrial customers including power and natural gas supply, renewable products and energy portfolio optimization structures in deregulated markets across North America. Our marketing and trading platform provides comprehensive coverage of financial and physical products in power, natural gas, environmental products, NGLs, congestion management, derivatives, and financial crude oil products.

We are part of the EDF Group, a global leader in low-carbon energies, with a diversified generation mix based on nuclear power, hydropower, new renewable energies and thermal energy. The EDF Group is involved in supplying energy and services to approximately 39 million customers in France and across the world.

TexGen

TexGen is a privately-held company that owns over 2,200 MW of natural-gas fired generation in Texas. With power plants located near major metropolitan areas in Texas (Houston and Dallas-Ft. Worth), the company exclusively serves wholesale power customers in Texas. TexGen has a small, but versatile team that leverages significant industry experiences and key third-party service contracts to optimize and manage its assets in the ERCOT market. The company’s headquarters is in Houston, TX.