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SunPower Teams With RAcell and Danfoss to Power Largest Scandinavian Solar Installation
125-Kilowatt System Offers Environmental and Modern Architectural Design for the New National Danish Radio and Television Buildings in Copenhagen
PRNewswire-FirstCall via COMTEX News Network
SAN JOSE, Calif.

SunPower Teams With RAcell and Danfoss to Power Largest Scandinavian Solar Installation

125-Kilowatt System Offers Environmental and Modern Architectural Design for the New National Danish Radio and Television Buildings in Copenhagen

SAN JOSE, Calif., Oct 17, 2007 /PRNewswire-FirstCall via COMTEX News Network/ -- SunPower Corp. (Nasdaq: SPWR), a Silicon Valley-based manufacturer of high-efficiency solar cells, solar panels and solar systems, today announced that it has joined forces with RAcell Solar and Danfoss Solar Inverters to power the largest solar installation in Scandinavia. The 125-kilowatt system provides solar electric power to the New Danish National Radio and Television (DR) buildings in Copenhagen, Denmark.

"Denmark has always been a leader in innovative building designs that are both beautiful and functional," said Yakov Safir, managing director for RAcell Solar. "The partly transparent panels for the DR buildings not only generate electricity, but they also act as a sun shield, creating beautiful shadows that provide a unique, artistic effect."

The unique installation was designed by Copenhagen-based Dissing+Weitling Architects together with panel manufacturer and systems integrator RAcell Solar. SunPower's A-300 high-efficiency solar cells were used in the panels that cover 1200 square meters (about 13,000 square feet) of the building's roofline, and Danfoss Solar Inverters provided the 24 inverters for this project. The solar electric system powers the ground water pumps that cool the building and the technical equipment located in the television studios. By combining fresh air, ground water and solar energy, two-thirds of the cooling needed is now generated by renewable energy, which is expected to reduce the annual carbon emissions by 40 tons.

"By combining SunPower's high-efficiency solar cells with our high-efficiency inverters, we are maximizing solar-electric output," said Henrik Raunkjaer, managing director at Danfoss Solar Inverters. "The unique solar array and outstanding artistic design add an exceptional building to the Copenhagen skyline. We compliment the vision and cooperation between all companies involved with this project."

The solar panels are integrated on the rooftop above the main television news studio and form a type of striping effect that is visible from both inside the newsroom and from the street level outside. The panels offer different looks and colors depending on the viewing angle, and there are no visual wires or junction boxes as specified by the design criteria.

"We are pleased that SunPower was chosen to provide the solar cells for this architecturally attractive and historic building," said Joern Juergens, director, component sales for SunPower Corp. "With the limited roof space available, the use of SunPower's high-efficiency solar cells made it possible to meet all of the power requirements and design features."

About Danfoss Solar Inverters

Danfoss Solar Inverters is an innovative Danish company 100 percent owned by Danfoss Group. It develops, manufactures and sells advanced grid-connected inverters, including communication solutions. By applying world-class power electronics technology and manufacturing processes in a unique product concept, it can offer competitiveness today and in the future.

About RAcell Solar

RAcell Solar is a Danish producer and integrator of advanced PV systems. In 1992 RAcell delivered its first modules for the harsh mountain climates in Greenland. Since then RAcell has focused on multifunctional architectural modules for BIPV (Building-Integrated Photovoltaic) applications. Today RAcell's advanced R&D program is developing new generations of both specialized solar modules and of new sources for silicon feedstock for high- efficiency cells. RAcell is supported by governmental Energinet.dk. For more information, visit http://www.racell.com.

About SunPower

SunPower Corporation (Nasdaq: SPWR) designs, manufactures and delivers high-performance solar electric systems worldwide for residential, commercial and utility-scale power plant customers. SunPower high-efficiency solar cells and solar panels generate up to 50 percent more power than conventional solar technologies and have a uniquely attractive, all-black appearance. With headquarters in San Jose, Calif., SunPower has offices in North America, Europe and Asia. For more information, visit http://www.sunpowercorp.com. SunPower is a majority-owned subsidiary of Cypress Semiconductor Corp. (NYSE: CY).

Forward-Looking Statement

This press release contains forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. Forward-looking statements are statements that do not represent historical facts. We use words such as "expected" and similar expressions to identify forward-looking statements. Forward-looking statements in this press release include, but are not limited to, the statement regarding the expected reduction in carbon emissions. These forward-looking statements are based on information available to us as of the date of this release and current expectations, forecasts and assumptions and involve a number of risks and uncertainties that could cause actual results to differ materially from those anticipated by these forward-looking statements. Such risks and uncertainties include a variety of factors, some of which are beyond our control. In particular, risks and uncertainties that could cause actual results to differ include risks associated with unanticipated variations in carbon emissions reductions and other risks described in our Quarterly Report on Form 10-Q for the quarter ended July 1, 2007, and other filings with the Securities and Exchange Commission. These forward-looking statements should not be relied upon as representing our views as of any subsequent date, and we are under no obligation to, and expressly disclaim any responsibility to, update or alter our forward-looking statements, whether as a result of new information, future events or otherwise.

SunPower is a registered trademark of SunPower Corp. Cypress is a registered trademark of Cypress Semiconductor Corp. All other trademarks are the property of their respective owners.

SOURCE SunPower Corporation


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