$15M More for Calisolar

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.

Wade Roush is a freelance science and technology journalist and the producer and host of the podcast Soonish. Follow @soonishpodcast

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