SolFocus, a solar technology company that was incubated at the Palo Alto Research Center (now an offshoot of Xerox), has raised $52 million more dollars to help it launch in Europe.
The company, which had previously raised $27 million, specializes in solar concentrators, which direct more sunlight onto solar cells that would ordinarily fall on them. The more sunlight, the more electricity the solar cell can generate. The more electricity a cell can generate, the more economical solar energy--which generally still costs about twice as much as regular grid power--becomes.
SolFocus' concentrators magnify the light 500 times. Several companies make … Read more