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Japan has opened its first osmotic power plant – so what is it and how does it work?

The Guardian - Energy · Ima Caldwell · last updated

The site in Fukuoka is only the second power plant of its type in the world, harnessing the power of osmosis to run a desalination plant in the city

Japan has opened its first osmotic power plant, in the south-western city of Fukuoka.

Only the second power plant of its type in the world, it is expected to generate about 880,000 kilowatt hours of electricity each year – enough to help power a desalination plant that supplies fresh water to the city and neighbouring areas.

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