The country has 16, 000 wind turbines, mostly concentrated in the north of the country, near the border with Denmark - including the biggest in the world, owned by the Repower company.

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Being so widely diversified has insulated Khosla Ventures and other funds that have taken this approach, while traditional clean tech investors, who concentrated in solar, wind, or batteries alone, have generally not fared as well.

FORBES: By Vinod Khosla

It builds biomass power plants, huge wind turbines for offshore wind farms and, as of today, concentrated solar thermal power plants.

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