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.  

Cogentrix

Cogentrix Energy is an independent power producer with approximately 5,000 MW of efficient and flexible natural gas-fired power plants, located throughout PJM, ERCOT, and ISO-NE, which support the reliability, resiliency, and affordability of the U.S. electricity market. Cogentrix is owned by Quantum Energy Capital.

Within Texas and the ERCOT market, Cogentrix 100% owns and operates the Altura Cogen facility, located in Channelview, TX. Altura is a 600 MW cogen facility that provides steam and electricity to Lyondell Chemical Company. Cogentrix also owns 50% of Cedar Bayou 4, located in Baytown, TX, which is a 550 MW facility. NRG owns the remaining 50% of Cedar Bayou 4 and serves as plant operator.

Constellation

Constellation is the nation’s largest producer of carbon-free energy and the leading competitive retail supplier of power and energy products and services for homes and businesses across the United States. Headquartered in Baltimore, its generation fleet powers more than 20 million homes and businesses and is helping to accelerate the nation’s transition to clean energy with more than 32,400 megawatts of capacity and annual output that is 90 percent carbon-free. Constellation has set a goal to eliminate 100 percent of its greenhouse gas emissions by 2040 by leveraging innovative technology and enhancing its diverse mix of hydro, wind and solar resources paired with the nation’s largest carbon-free nuclear fleet. Constellation’s family of retail businesses serves approximately 2 million residential, public sector and business customers, including three-fourths of the Fortune 100.

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.

Hull Street Energy

Based in Bethesda, Maryland, Hull Street Energy is a private equity firm specializing in deploying capital into the power sector as it decarbonizes. Hull Street is pleased to support this effort in North America, where our team’s unique knowledge of electricity infrastructure, fundamentals, and grid operations, has kept Hull Street at the forefront of the energy industry for nearly three decades. Areas of specialization for the firm include renewable and fossil power generation businesses, energy storage resources, transmission and distribution systems, electricity demand-side businesses, fuels, commodity risk management and contract structuring.

Liberty Power Innovations

Liberty Power Innovations (LPI) is a leading provider of natural gas-fueled power generation and fueling solutions, delivering dispatchable, distributed energy to industries with high-demand power needs. Designed for modular deployment, our generators support baseload, backup, and peak power needs, with fuel efficiency and low emissions that outperform conventional diesel alternatives. LPI’s ability to seamlessly integrate microgrid-ready solutions allows us to deliver scalable, adaptable power wherever it’s needed.

Beyond power generation, LPI provides comprehensive fuel management services, including virtual pipeline (CNG transport), pressure reduction, and on-site fuel distribution. We specialize in field gas processing, enabling customers to utilize on-site gas resources, reducing flaring, and lowering fuel costs.

LPI’s advanced digital technology ensures seamless operations, with real-time system monitoring, predictive maintenance, and integrated fuel logistics. Backed by strong supply chain partnerships, we can rapidly deploy equipment and provide swift maintenance support, maximizing uptime for our customers.

Our turnkey energy solutions help customers improve resilience, efficiency, and sustainability in a rapidly evolving power landscape.

LS Power

Founded in 1990, LS Power is a development, investment and operating company focused on the power and energy infrastructure sector. In total, we have developed, constructed, managed and acquired more than 46,000 MW of competitive power generation and over 680 miles of transmission infrastructure, for which we have raised $50 billion in debt and equity financing to invest in North American infrastructure.

For decades, LS Power has been at the leading edge of the industry’s evolution, often introducing or commercializing new technologies and developing new markets. Today is no different. We don’t just talk about decarbonization, we make it happen.

Luminant

Luminant, a subsidiary of Vistra, is a competitive power generation business, including wholesale marketing and trading, mining, and development operations. Luminant has more than 18,800 megawatts of generation in Texas, powered by a diverse portfolio of natural gas, nuclear, coal, solar, and battery storage facilities. 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.

Rockland Capital

Rockland Capital is a private equity company that was formed in early 2003 in order to acquire and develop selected investment opportunities in power and energy infrastructure markets. Rockland professionals have deep and focused electric power industry experience, which enables the Company to take a hands-on, operational focus to managing assets. As a result of this experience and mindset, Rockland has focused its investment efforts on value-driven opportunities that often require additional management attention due to their structural complexity, past or current operational and/or financial distress, developmental nature, or because they have otherwise fallen out of favor in the current market cycle.

Portfolio investments have been located throughout the United States and the United Kingdom, have ranged in size from 1,875 MW to 5 MW and have been fueled by natural gas, coal, biomass, oil, energy storage, wind and solar power.

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

Shell Energy, an active participant in all different aspects of the ERCOT energy market for over 25 years, owns and/or has offtake agreements from over 3GW power in Texas. We are in the process of expanding our presence in the energy market further as part of our energy transition goals. As the leading off taker of power and hedge provider, Shell Energy enables generation construction by independent power producers. Shell Energy is the No#1 energy seller in ERCOT for more than a decade and the leading wholesale power supplier to independent energy retailers, cooperatives, municipalities, commercial and industrial (“C&I”) loads in Texas. Shell Energy Solutions is the 5th largest Residential retail electric provider in ERCOT and the 8th largest retailer in US. As a collateral and hedge provider, Shell Energy enables other smaller REPs to participate in ERCOT market by providing collateral through structured retail agreement with specified risk management requirement. Shell Energy is a leading provider of real-time desk and ISO interface services to power generators and retailers across the United States. Shell has 97 different business and 11k employees in Texas and hence is an active end user consumer in ERCOT. Shell Energy and its subsidiaries also 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, electric cooperatives, and large commercial and industrial users.

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.

WattBridge

WattBridge is wholly owned subsidiary of PROENERGY Services, LLC that was formed to develop, own, and operate fast-start, natural gas fired, power generation assets. Leveraging the parent companies’ deep domain expertise in LM6000 aeroderivative technology, plant construction and O&M, WattBridge has successfully raised $2 billion for projects in ERCOT totaling 2,400MW of new natural gas peak generating assets either operating or in construction.