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1.3-Megawatt SunPower Solar System to Power Exploratorium's New Waterfront Home

Net-Zero Energy is Exploratorium's Goal

SAN FRANCISCO, Sept. 19, 2012 /PRNewswire/ -- SunPower Corp. (NASDAQ: SPWR) announced today the completion of a 1.3-megawatt high efficiency SunPower solar power system on the roof of the Exploratorium's future home on San Francisco's Embarcadero. The system is designed to ultimately generate 100 percent of the electricity demand at the new state-of-the-art facility, which is scheduled to open in spring 2013.

"The SunPower system is a critical piece of the puzzle in meeting our 'net-zero energy' goal, reducing our impact on the environment, and eliminating a significant operational cost," said Dennis Bartels, executive director of the Exploratorium. "The savings will allow us to invest more in the innovative learning experiences for which we are known worldwide, as well as create learning opportunities about the physics of energy."

The system uses SunPower solar panels that are up to 50 percent more efficient than conventional panels. System performance, updated every 15 minutes, will be displayed in the lobby of the new facility. According to estimates provided by the U.S. Environmental Protection Agency, the SunPower solar power system will avoid the emissions of 33,150 tons of carbon dioxide over the 30-year life of the system, which is equivalent to removing 5,910 cars from California's highways.

"Only with SunPower's high efficiency technology will the Exploratorium be able to generate all of its electricity demand from a rooftop system – no other solar panel on the market today can achieve the same results within the limited roof area," said Tom Werner, SunPower president and CEO. "SunPower is proud to be one of the Exploratorium's sustainability partners, enabling the museum to achieve significant long-term savings that will support its important work advancing scientific learning for all ages."

To meet its net-zero energy goal, as well as to qualify as a LEED gold facility, a number of additional features have been integrated into the design of the new Exploratorium facility, including an innovative heating and cooling system using filtered water from the San Francisco Bay, high performance glass to limit heat gain, maximized use of natural light, and use of low-emitting materials and materials with recycled content. Click here for more information on the Exploratorium's net-zero efforts.

About Exploratorium
The Exploratorium is the global leader in informal learning, designed to ignite curiosity and inspire creativity in people of all ages. The world-renowned science museum creates original, interactive exhibits, on display at more than 1,000 science centers, museums and public spaces around the world. Dedicated to education reform in and out of the classroom, the Exploratorium is a premier professional development center for educators and a creator of award-winning educational resources. Since 1969, the Exploratorium has influenced generations of entrepreneurs, artists, scientists, teachers, students, children and everyday doers, reaching nearly 200 million people annually. In the spring of 2013, the Exploratorium will move to Pier 15 in the heart of San Francisco's waterfront district, where it will celebrate a new era of experiences that encourage critical thinking and awaken wonder for generations to come. For more information, visit www.exploratorium.edu.

About SunPower
SunPower Corp. (NASDAQ: SPWR) designs, manufactures and delivers the highest efficiency, highest reliability solar panels and systems available today. Residential, business, government and utility customers rely on the company's quarter century of experience and guaranteed performance to provide maximum return on investment throughout the life of the solar system. Headquartered in San Jose, Calif., SunPower has offices in North America, Europe, Australia, Africa and Asia. For more information, visit www.sunpowercorp.com.

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SOURCE SunPower Corp.