CaliSolar

CaliSolar has developed a proprietary approach to using “dirty” metallurgical grade silicon to make high quality solar cells.

Location: 
Sunnyvale, CA
Type: 
Corporation
Category: 
Solar
Website: 
http://www.calisolar.com

Stories: Solar cell maker Calisolar raises $15M to bump up capacity. July 16, 2010.

CaliSolar has developed a proprietary approach to using “dirty” metallurgical grade silicon to make high quality solar cells. Upgraded Metallurgical Silicon (UMG Si) is substantially less expensive than the electronic grade silicon usually used to make solar cells.

Since the company’s founding, we have developed our ingot, wafer and cell processes to the point where we are producing cells demonstrating marketable levels of efficiency using UMG Si. We have headquarters in Sunnyvale California and a development facility in Berlin Germany. The company was founded in March 2006 and the first round of financing was completed in June 2006 when Advanced Technology Ventures and Globespan Capital Partners invested $9 million.

CaliSolar is developing standard wafer-based cells using UMG Si. We will buy feedstock from a number of suppliers and will cast ingots, cut and treat wafers and manufacture cells. We will sell these cells to leading module manufacturers around the world. Our first cell line will be located in silicon valley. We have developed unique technology to allow the production of high efficiency cells using UMG Si. We do not blend the UMG Si with EG Si, yet still achieve competitive efficiencies. We are the exclusive licensee of a UC Berkeley patent in this area that is based on research by CaliSolar founder Eicke Weber and have filed six patents of our own in a variety of domains.


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