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Google to develop New Mirror for Low-cost Solar Power

12 September 2009 No Comment

Technology.am (Sept. 12, 2009) — Google Inc plans to develop its own new mirror technology that could reduce the cost of building solar thermal plants by 25 percent and making more affordable for widespread commercial and utility use.

googleGoogle wants to make a very unusual material for the mirrors both for the reflective surface as well as the substrate that the mirror is mounted on.

Google wants to cut the cost of making heliostats, the fields of mirrors that have to track the sun, by at least a factor of two to four.

The current cost of solar thermal energy ranges between 12-18 cents per kilowatt hour. In two to three years, Google wants cost of electricity that would be in the 5 cents or sub 5 cents a kilowatt hour range.

Google is invested in eSolar ($130 million) and BrightSolar ($115 million) to develop the cheaper mirrors or turbines.

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