Champion Energy Services to Supply 100% Renewable Energy Certificates for the 2016 US Open Tennis Tournament

Champion Energy Services, a subsidiary of Calpine Corporation (NYSE: CPN), the electricity supplier to the USTA Billie Jean King National Tennis Center, announced today it will be donating Green-e Energy certified renewable energy certificates (RECs) to match the electricity used during the 2016 US Open, the highest-attended annual sporting event in the world.

RECs play an important role in ensuring the viability of renewable energy sources in the United States. RECs help support the generation of renewable power sources and provide more opportunities for facilities and homes to participate in the "green" movement without the need for installing renewable electricity infrastructure onsite.

"We are excited to support the USTA's commitment to environmentally responsible operations," said Jason Fox, Vice President of Supply. "As a world-class sporting event, the US Open represents an opportunity to encourage and promote the use of renewable energy. We are glad to serve the USTA, and all of our clients, in a way that supports their operational goals."

"As a responsible member of the community, the National Tennis Center strives to not only reduce our own impact on the environment, but to promote environmentally friendly behavior to the thousands of tennis players and fans who visit us every year," said Daniel Zausner, COO, USTA BJK National Tennis Center. "The donation of renewable energy will go a long way toward doing that."

The US Open is one of the oldest tennis championships, having grown out of the US National Championship, which originated in 1881. Since 1987, the US Open has been the final Grand Slam tournament held annually, following the Australian Open, French Open and Wimbledon.

The USTA is the national governing body for tennis in the United States.

About Champion Energy Services

Champion Energy Services, a subsidiary of Calpine Corporation (NYSE: CPN), is one of the fastest-growing and largest retail electric providers in the United States. Champion Energy serves residential, governmental, commercial and industrial customers in deregulated electric energy markets across the U.S. Champion Energy serves more than 2 million residential customer equivalents, with a peak load near 4,000 megawatts. Champion Energy’s growth is driven by competitive, straightforward pricing and a reputation for maintaining the highest levels of satisfaction with its customers. For more information, visit http://www.championenergyservices.com.

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