Solexel Inc., a closely held U.S. solar manufacturer backed by SunPower Corp. (SPWR:US), received about $5.5 million in equity in July and August from new and existing investors.
The company has raised $56.8 million since last year, Mark Kerstens, chief financial officer of the Milpitas, California-based company, said today in a phone interview. He declined to name the new backers. SunPower invested in Solexel last year.
The company makes solar cells using silicon gas instead of growing silicon ingots in furnaces and slicing them into wafers like other companies.
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