Product News: Electrical Equipment & Systems

Solar PV Module achieves up to 15.2% conversion efficiency.

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Press Release Summary:

June 3, 2011 - Powered by crystalline silicon cells, STP250S-20/Wd+ BlackPearl(TM) consists of 60-cell module comprised of 6 in. black square cells. This 250 W product features +0 to +5% positive power tolerance and minimized oxygen content that lends to resistance to light-induced degradation. Suited to rooftop installations, module withstands all weather conditions, including 3.800 N/m² wind load and 5.400 N/m² snow loads; and features anti-reflective, hydrophobic, self-cleaning surface.

Suntech Power Holdings Co., Ltd.

17-6 Changjiang South Road, New District, Wuxi, Jiangsu Province, 214028, China

Original Press Release

Suntech Introduces New High-Efficiency 250W BlackPearl(TM) Module

Press release date: June 1, 2011

SCHAFFHAUSEN, Switzerland -- Suntech Power Holdings Co., Ltd. (NYSE: STP), the world's largest producer of solar photovoltaic (PV) panels, announced that it will introduce the STP250S-20/Wd+ BlackPearl(TM), a new generation high-efficiency module, at Intersolar, Munich in June 2011. Powered by a new generation of crystalline silicon cells, the BlackPearl(TM) modules achieve up to 15.2% conversion efficiency -- well above the 13% to 14% efficiency of conventional polycrystalline solar modules.

The BlackPearl(TM) 250W product is a 60 cell module comprised of 6-inch black square cells that delivers one of the highest power per weight ratios in the industry. The module features a +0 to +5% positive power tolerance and exceptionally low oxygen content leading to strong resistance to light-induced degradation. In addition, the modules are built to withstand all weather conditions including 3.800 N/m² (~270 km/h) wind load and 5.400 N/m² (~55 kg/m²) snow loads, well above IEC standard requirements. The product is ideally suited to rooftop installations where weight, power, and aesthetics are key customer considerations.

"The new BlackPearl(TM) module delivers 10% more power than conventional polycrystalline products leading to lower balance-of-system and installation costs per watt," said Dr. Zhengrong Shi, Suntech's Chairman and CEO.

Utilizing different technology than Pluto products, the BlackPearl(TM) module is comprised of 6-inch square cells that contain minimal oxygen content and achieve 18% conversion efficiency at cell level. Suntech's in-house R&D and wafer production team developed the technology based on a wafer manufacturing process that combines the high efficiency of monocrystalline wafers with the reliability of polycrystalline wafers. All Suntech BlackPearl(TM) modules also feature an anti-reflective surface trapping the sunlight into the cells combined with a hydrophobic self-cleaning surface structure.

Suntech will start shipping the new products to Europe starting in June 2011. Suntech will display the STP250S-20/Wd+ BlackPearl(TM) modules and other latest products at booth A2 #380, at the Intersolar Exhibition, New Munich Trade Fair Centre, Germany from 8-11 June, 2011.

Media Contacts Bjorn Emde PR Manager Europe Suntech Power Deutschland GmbH Phone: +49-89-544599926 Email: bjoern.emde@suntech-power.com

GlobalCom PR-Network Wibke Sonderkamp Phone: +49-89-360363-40 Email: wibke@gcpr.net

About Suntech

Suntech Power Holdings Co., Ltd. (NYSE: STP) produces industry-leading solar products for residential, commercial, industrial, and utility applications. With regional headquarters in China, Switzerland, and the United States, and gigawatt-scale manufacturing worldwide, Suntech has delivered more than 15,000,000 photovoltaic panels to thousands of customers in more than eighty countries. Suntech's pioneering R&D creates customer-centric innovations that are driving solar to grid parity against fossil fuels. Suntech's mission is to provide everyone with reliable access to nature's cleanest and most abundant energy source.

For more information about our people and products visit: http://www.suntech-power.com

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