According to a July 14 regulatory filing, Sunnyvale, CA-based solar cell manufacturer Calisolar has raised an additional $15 million in a sale of equity, rights, and securities. The “vertically integrated” manufacturer, which purifies silicon, crystallizes it, cuts it into wafers, and assembles it into solar cells and modules, had raised at least $131 million prior to the latest round, including a $51.9 million Series B round in October 2008, a $60 million round in June 2009, and a $20 million round in February 2010. Past investors have included Advanced Technology Ventures, Globespan Capital Partners, Good Energies, Hudson Clean Energy Partners, Ventures West, and Yaletown Venture Partners.
Author: Wade Roush
Between 2007 and 2014, I was a staff editor for Xconomy in Boston and San Francisco.
Since 2008 I've been writing a weekly opinion/review column called VOX: The Voice of Xperience. (From 2008 to 2013 the column was known as World Wide Wade.)
I've been writing about science and technology professionally since 1994. Before joining Xconomy in 2007, I was a staff member at MIT’s Technology Review from 2001 to 2006, serving as senior editor, San Francisco bureau chief, and executive editor of TechnologyReview.com. Before that, I was the Boston bureau reporter for Science, managing editor of supercomputing publications at NASA Ames Research Center, and Web editor at e-book pioneer NuvoMedia.
I have a B.A. in the history of science from Harvard College and a PhD in the history and social study of science and technology from MIT. I've published articles in Science, Technology Review, IEEE Spectrum, Encyclopaedia Brittanica, Technology and Culture, Alaska Airlines Magazine, and World Business, and I've been a guest of NPR, CNN, CNBC, NECN, WGBH and the PBS NewsHour. I'm a frequent conference participant and enjoy opportunities to moderate panel discussions and on-stage chats.
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