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BP Solar Introduces Mono2


21 July 2006

New Silicon Growth Process Yields Higher Efficiency in Commercial Cells and Modules

A pioneer in silicon casting for solar photovoltaic cell applications, BP Solar has developed a new silicon growth process that significantly increases cell efficiency over traditional multi-crystalline-based solar cells. The new technique, named Mono2TM, enhances BP Solar’s technological expertise in the silicon growth and wafering arenas where silicon ingots and wafering technology are key to future growth.

Solar cells made with these wafers, in combination with other BP Solar advances in cell process technology, will be able to produce in excess of five to eight percent more power than solar cells made with conventional processes. This translates into an equivalent module power increase and hence a substantial cost reduction at the installed system level.

BP Solar plans to implement the Mono2 technique in its existing equipment at the Frederick facility with the goal to achieve large-scale production. According to Eric Daniels, vice president of technology for BP Solar, "BP Solar’s implementation of this new growth technique will greatly improve wafer quality. This development is a great advance on the pioneering work conducted by BP Solar scientists when the first successful multi-crystal wafers were introduced more than 20 years ago.”

The first modules to incorporate this process will be available in 2007. The development of Mono2 is funded in part through a manufacturing contract with the US Department of Energy’s National Renewable Energy Laboratory.

BP Solar is a key business within BP Alternative Energy and a global company with over 2200 employees focused on harnessing the sun’s energy to produce solar electricity. This includes the design, manufacture and marketing of quality solar electric systems for a wide range of applications in the residential, commercial and industrial sectors. With over 30 years of experience and installations in over 160 countries, BP Solar is one of the world’s largest solar companies and has manufacturing facilities in the U.S., Spain, India and Australia. To learn more, visit:


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