strong>CaliSolar Inc., a Sunnyvale, Calif.-based developer of solar cells using “dirty” metallurgical grade silicon, has raised $51.9 million in Series B preferred stock funding, according to a regulatory filing. It also has secured another $50 million in convertible securities, for a round total of nearly $102 million. Hudson Clean Energy led the round, and was joined by return backers Advanced Technology Ventures and Globespan Capital Partners.
Prior press reports say that the company plans to build a commercial plant in California next year. It had previously raised around $9 million. www.calisolar.com