Hayward-based OptiSolar has sold its remaining assets for $260 million to a Canadian company, completing a spectacular rise and fall for a once-bright star of the solar energy sector. With the deal, ...

Does history repeat itself? The investors and executives behind NovaSolar really hope not. The company says it has developed a process for producing amorphous silicon solar modules and building ...

OptiSolar Inc., which grabbed headlines last year with plans to build a massive solar power plant in California's Central Valley, has stopped its manufacturing operations and will lay off most of its ...

Frozen capital markets are putting the chill on a fast-growing California solar company, a sign that the economic downturn is being felt even in the state’s thriving renewable-energy sector.

Last year, I wrote a story about NovaSolar, a somewhat strange reincarnation of a company called OptiSolar that was arguably the biggest debacle in solar until Solyndra came along. NovaSolar's ...

An Arizona solar company said Monday that it had acquired a pipeline of planned large solar projects from OptiSolar, a Hayward solar panel manufacturer that had planned to build utility-scale projects ...

Hit hard by the financial crisis, Hayward's OptiSolar agreed on Monday to sell its entire portfolio of planned but unbuilt solar power plants to an Arizona rival for $400 million in stock. First Solar ...

Stunted by the nation’s credit freeze, troubled OptiSolar Inc. of Hayward, Calif., has agreed to sell its portfolio of unfinished solar farms to one of the hottest firms in the solar industry. First ...

Hayward-based OptiSolar has agreed to sell its entire pipeline of future solar projects to Arizona-based First Solar Inc. for $400 million in the stock of First Solar, which is publicly held.When the ...

A secretive Hayward, Calif. company has just announced it will build the largest solar power “farm” in North America, using solar cells manufactured in Silicon Valley. The site, near Sarnia in Ontario ...

HAYWARD, CA-Earlier this year the locally-based solar start-up halted the build-out of the Sacramento manufacturing plant and sold its project pipeline for $400 million. Optisolar has tapped a team of ...