How salt helps power Moroccan city
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The Moroccan city of Ouarzazate is powered by salt

A Moroccan city is being powered at night by solar energy, thanks to salt.

The newly-opened plant at Ouarzazate harnesses the Sun's warmth to melt salt then heat it to 500C. The salt holds its heat and powers a steam turbine in the evening.

Our environment analyst Roger Harrabin reports.

  • 04 Feb 2016
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