SunPower Rolls Out High-Efficiency Photovoltaic Modules

6/9/2004 - SunPower Corporation, a Cypress subsidiary, announced the debut of its new solar-power product line, the first mass-produced photovoltaic (PV) modules utilizing SunPower’s breakthrough all-back-contact solar cells. With conversion efficiencies approaching 17 percent, SunPower’s new modules provide exceptional power density, along with an optional “all-black” design that enhances the appearance of roof-mounted PV arrays. This combination of performance and aesthetics is expected to strengthen SunPower’s position in the $2.5 billion PV module market.

“SunPower’s new PV modules set a new industry standard for efficiency and appearance,” said SunPower CEO Tom Werner. “Only SunPower can combine unprecedented area efficiency; exceptional energy delivery over a wide range of real-world weather conditions; and a novel approach to product aesthetics that allows our PV modules to blend into their environment instead of standing out. This is an important milestone for SunPower, as well as the PV industry overall.”

SunPower’s new PV product line comprises two new module types:

Both products utilize SunPower’s unique A-300 all-back-contact solar cells to generate up to 50 percent more power than traditional products, and all SunPower modules carry a minimum power rating. This means that the output of every module meets or exceeds its nominal power rating, ensuring that systems will perform as expected. The A-300 solar cell’s low voltage-temperature coefficient, exceptional low-light performance and high sensitivity to light across the entire solar spectrum means that both SunPower module types convert virtually every accessible photon into useable electricity, maximizing yearly energy production.

SunPower PV modules will be available for delivery in the fourth quarter of 2004.

About A-300
Unlike conventional solar cells, SunPower’s A-300 cell features a unique, all-back-contact design that maximizes working cell area, hides unsightly wires and simplifies automated production. The National Renewable Energy Laboratory (NREL) recently measured an A-300 solar cell at an industry-best 21.5 percent efficiency; competing production cells typically are in the 12- to 15-percent range. The A-300 cell was developed and manufactured in SunPower’s Round Rock, Texas facility, which began operation in January 2003.

About SunPower
SunPower—a majority-owned subsidiary of Cypress Semiconductor Corp. (NYSE: CY)—designs and manufactures high-performance silicon solar cells based on an interdigitated rear-contact design. The company’s initial products were put to use in a variety of high-performance applications, including the NASA-sponsored AeroVironment airplane, “Helios,” that flew to a record altitude of 96,863 feet on August 13, 2001. For more information on SunPower or solar technology, please visit the SunPower website at

About Cypress
Cypress Semiconductor Corp. (NYSE: CY) is Connecting From Last Mile to First MileTM with high-performance solutions for personal, network access, enterprise, metro switch and core communications-system applications. Cypress ConnectsTM using wireless, wireline, digital and optical transmission standards, including USB, Fibre Channel, SONET/SDH, Gigabit Ethernet and DWDM. Leveraging its process and system-level expertise, Cypress makes industry-leading physical layer devices, framers and network search engines, along with a broad portfolio of high-bandwidth memories, timing technology solutions and reconfigurable mixed-signal arrays. More information about Cypress is accessible online at

Cypress is a registered trademark of Cypress Semiconductor Corporation. “Connecting from Last Mile to First Mile” and “Cypress Connects” are trademarks of Cypress.

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