Waste water to clean energy: Japanese engineers harness the power of osmosis

Photo: The Osmosis power plant in Fukuoka. Photo credit: Fukuoka Area Waterworks Agency. Article by Hiroshi Hiyama, The Japan Times – April 9, 2026.

FUKUOKA – A Japanese water plant is harnessing the natural process of osmosis to generate renewable energy that could one day become a common power source. The possibility of generating power from osmosis — when water molecules pass from a less salty solution to a more salty one — has long been known. […]

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