Gallery: Mini Hydropower Generator Creates Clean Energy Without The Nee...

Cappa mini hydropower generator.
Cappa mini hydropower generator.

Japanese company Ibasei recently devised a tiny underwater turbine that can be placed along a riverbank or canal to generate electricity without harming the environment. Hydroelectricity, produced by harnessing the energy in moving water, is the most widely used form of renewable energy in the world. Still, it’s not always popular among those who care about protecting the planet. That’s because hydropower is almost always executed on a large scale, requiring massive river dams that disrupt the surrounding ecosystem. But there’s no rule that hydropower generators have to be huge. Ibasei’s Cappa compact hydropower generator can deliver 250 W of electricity yet is small enough to be transported between locations as needed.

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1 Comment

  1. December 14, 2012 at 12:44 pm

    250 Watts might be enough if all you want to power is 3 or four lightbulbs, but most homes (even in Japan) use far more than that.

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