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BrightSource Energy

BrightSource Energy

Oakland, Calif.
Solar energy
CEO: John Woolard, 43


BrightSource Energy's solar thermal technology uses thousands of small mirrors to reflect sunlight onto a boiler atop a tower to produce high-temperature steam, which is then piped to a turbine that generates electricity. The company claims its system, originally developed in Israel, offers higher operating efficiencies than other solar thermal technologies, making it competitive with fossil fuels. The company has raised more than $160 million from investors.


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