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Switching on wave power.

A little of the energy in the waves that crash against Norway's rocky cliffs is now being converted into electricity. What may be the world's first wave-powered station was switched on earlier this month at Tostestallen in Norway. It can generate up to 850 kilowatts of power for a small, local electricity grid.

The station includes two different wave-powered generators. One is a steel canister enclosing a set of specially designed turbine blades and open at the top and bottom. As the water level in the tank rises and falls, air is forced upward and downward to turn the blades. In the second generator, water is forced up a long, tapered channel to an elevated reservoir. Overflowing water falls down over turbine blades, causing them to rotate.
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Title Annotation:wave-powered electric generating station in Norway
Publication:Science News
Date:Dec 7, 1985
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