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Will wind power stoke demand for batteries?

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Toby Talbot/AP

(Read caption) Wind turbines line the hillside at First Wind's project in Sheffield, Vt. Kahn argues that the rise of wind power will help the battery market as well, since batteries will be needed to store wind power accumulated during off-peak electricity consumption hours.

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If the wind blows at night but nobody is consuming electricity then, what is the value of wind farms? Batteries are the answer.

Such batteries create a storage technology that breaks the link between when power is produced and when it is consumed. this article highlights the point that the price of electricity varies sharply during a day. A wise arbitrage move is to "produce low" and "sell high".

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While batteries are expensive, their price is likely to fall with experience and scale of production. Increased wind farm installation will increase the demand for batteries, this will help the electric vehicle industry as improvements in battery technology take place to serve wind farms. In this sense, these different "green technology industries are all interconnected.