Solar Grade-Silicon, Ingot, Wafer Technology and Market Trend

Solar Grade-Silicon, Ingot, Wafer Technology and Market Trend (2008~2012)
4.2.7. LDK Solar
LDK Solar is a large silicon wafer maker. LDK purchased most of poly-silicon
manufacturing technology and equipment from overseas and applied in
production. It manufactures from poly-silicon to wafer. Its production base for
solar grade-wafer is located in Xinyu, China. It is constructing a factory to
annually produce 14,000 tons of poly-silicon through its child company, Jiangxi
PolySilicon. It uses Siemens method to manufacture poly-silicon. Fluor from
the U.S. is in charge of the factory design, construction, and management. GT
Solar from the U.S. is in charge of reactors and LXE Solar and CDI
Engineering Solutions are in charge of trichlorosilane supply. Fluor is known to
have invested total of USD 1.2 billion, which includes USD 1 billion for down
payment, to the construction by Jiangxi Polysilicon. The poly-silicon factory by
Jiangxi PV Silicon Hi-Tech was expected to be completed in June 2008 and
was scheduled to receive 400 tons of trichlorosilane per month from Jiangxi
Ganzhong Chlorine & Caustic starting in May 2008. Sunways signed a
contract to supply reactors to LDK and receive poly-silicon supplies from LDK.
In addition, Jiangxi PolySilicon independently manufactures trichlorosilane and
its production capacity is 90,000 ton/yr.
Figure4.9. Solar Cell p-Si Manufactured by LDK
Source: LDK
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Jan’09